githubmirror/libxmlb

src/xb-self-test.c
3 387 строк107 KB
Richard Hughes
Fix NULL pointer dereference in xb_machine_func_in_cb with NULL needle
18 май 2026, 18:38
18 май 2026, 18:3824f578f
/*
 * Copyright 2018 Richard Hughes <richard@hughsie.com>
 *
 * SPDX-License-Identifier: LGPL-2.1-or-later
 */

#include "config.h"

#include <gio/gio.h>
#include <locale.h>

#include "xb-builder-node.h"
#include "xb-builder.h"
#include "xb-common-private.h"
#include "xb-machine.h"
#include "xb-node-query.h"
#include "xb-opcode-private.h"
#include "xb-opcode.h"
#include "xb-silo-export.h"
#include "xb-silo-private.h"
#include "xb-silo-query-private.h"
#include "xb-stack-private.h"
#include "xb-string-private.h"

static GMainLoop *_test_loop = NULL;
static guint _test_loop_timeout_id = 0;

#define XB_SELF_TEST_INOTIFY_TIMEOUT 10000 /* ms */

static gboolean
xb_test_hang_check_cb(gpointer user_data)
{
	g_main_loop_quit(_test_loop);
	_test_loop_timeout_id = 0;
	return G_SOURCE_REMOVE;
}

static void
xb_test_loop_run_with_timeout(guint timeout_ms)
{
	g_assert(_test_loop_timeout_id == 0);
	g_assert(_test_loop == NULL);
	_test_loop = g_main_loop_new(NULL, FALSE);
	_test_loop_timeout_id = g_timeout_add(timeout_ms, xb_test_hang_check_cb, NULL);
	g_main_loop_run(_test_loop);
}

static void
xb_test_loop_quit(void)
{
	g_clear_handle_id(&_test_loop_timeout_id, g_source_remove);
	if (_test_loop != NULL) {
		g_main_loop_quit(_test_loop);
		g_main_loop_unref(_test_loop);
		_test_loop = NULL;
	}
}

static gboolean
xb_test_import_xml(XbBuilder *self, const gchar *xml, GError **error)
{
	g_autoptr(XbBuilderSource) source = xb_builder_source_new();

	g_return_val_if_fail(XB_IS_BUILDER(self), FALSE);
	g_return_val_if_fail(xml != NULL, FALSE);

	/* add source */
	if (!xb_builder_source_load_xml(source, xml, XB_BUILDER_SOURCE_FLAG_NONE, error))
		return FALSE;

	/* success */
	xb_builder_import_source(self, source);
	return TRUE;
}

static void
xb_stack_func(void)
{
	XbOpcode *op1, *op2, *op3, *op4;
	g_auto(XbOpcode) op1_popped = XB_OPCODE_INIT();
	g_auto(XbOpcode) op2_popped = XB_OPCODE_INIT();
	g_auto(XbOpcode) op3_popped = XB_OPCODE_INIT();
	g_autoptr(XbStack) stack = xb_stack_new(3);

	/* push three opcodes */
	g_assert_true(xb_stack_push(stack, &op3, NULL));
	xb_opcode_text_init(op3, "dave");
	g_assert_true(xb_stack_push(stack, &op2, NULL));
	xb_opcode_integer_init(op2, 1);
	g_assert_true(xb_stack_push(stack, &op1, NULL));
	xb_opcode_func_init(op1, 0);
	g_assert_false(xb_stack_push(stack, &op4, NULL));
	g_assert_null(op4);

	/* pop the same opcodes */
	g_assert_true(xb_stack_pop(stack, &op1_popped, NULL));
	g_assert_cmpint(xb_opcode_get_kind(&op1_popped), ==, XB_OPCODE_KIND_FUNCTION);

	g_assert_true(xb_stack_pop(stack, &op2_popped, NULL));
	g_assert_cmpint(xb_opcode_get_kind(&op2_popped), ==, XB_OPCODE_KIND_INTEGER);
	g_assert_cmpuint(xb_opcode_get_val(&op2_popped), ==, 1);

	g_assert_true(xb_stack_pop(stack, &op3_popped, NULL));
	g_assert_cmpint(xb_opcode_get_kind(&op3_popped), ==, XB_OPCODE_KIND_TEXT);
	g_assert_cmpstr(xb_opcode_get_str(&op3_popped), ==, "dave");

	/* re-add one opcode */
	g_assert_true(xb_stack_push(stack, &op4, NULL));
	xb_opcode_text_init(op4, "dave again");
	g_assert_nonnull(op4);

	/* finish, cleaning up the stack properly... */
}

static void
xb_stack_peek_func(void)
{
	XbOpcode *op1, *op2, *op3;
	g_autoptr(XbStack) stack = xb_stack_new(3);

	/* push three opcodes */
	g_assert_true(xb_stack_push(stack, &op1, NULL));
	xb_opcode_func_init(op1, 0);
	g_assert_true(xb_stack_push(stack, &op2, NULL));
	xb_opcode_integer_init(op2, 1);
	g_assert_true(xb_stack_push(stack, &op3, NULL));
	xb_opcode_text_init(op3, "dave");

	/* peek the same opcodes */
	g_assert_true(xb_stack_peek_head(stack) == op1);
	g_assert_true(xb_stack_peek_tail(stack) == op3);
	g_assert_true(xb_stack_peek(stack, 0) == op1);
	g_assert_true(xb_stack_peek(stack, 1) == op2);
	g_assert_true(xb_stack_peek(stack, 2) == op3);
}

static void
xb_common_union_func(void)
{
	g_autoptr(GString) xpath = g_string_new(NULL);
	xb_string_append_union(xpath, "components/component");
	g_assert_cmpstr(xpath->str, ==, "components/component");
	xb_string_append_union(xpath, "applications/application");
	g_assert_cmpstr(xpath->str, ==, "components/component|applications/application");
}

static void
xb_common_func(void)
{
	g_assert_true(xb_string_search("gimp", "gimp"));
	g_assert_true(xb_string_search("GIMP", "gimp"));
	g_assert_true(xb_string_search("The GIMP", "gimp"));
	g_assert_true(xb_string_search("The GIMP Editor", "gimp"));
	g_assert_false(xb_string_search("gimp", ""));
	g_assert_false(xb_string_search("gimp", "imp"));
	g_assert_false(xb_string_search("the gimp editor", "imp"));
	g_assert_true(xb_string_token_valid("the"));
	g_assert_false(xb_string_token_valid(NULL));
	g_assert_false(xb_string_token_valid(""));
	g_assert_false(xb_string_token_valid("a"));
	g_assert_false(xb_string_token_valid("ab"));
}

static void
xb_common_content_type_func(void)
{
	struct {
		const gchar *fn;
		const gchar *ctype;
	} items[] = {{"test.desktop", "application/x-desktop"},
		     {"test.quirk", "text/plain"},
		     {"test.xml", "application/xml"},
		     {"test.xml.gz.gz.gz", "application/gzip"},
		     {"test.xml.xz", "application/x-xz"},
		     {"test.xml.zst", "application/zstd"},
		     {NULL, NULL}};
	for (guint i = 0; items[i].fn != NULL; i++) {
		gboolean ret;
		gsize bufsz = 0;
		g_autofree gchar *buf = NULL;
		g_autofree gchar *ctype = NULL;
		g_autofree gchar *fn = g_test_build_filename(G_TEST_DIST, items[i].fn, NULL);
		g_autoptr(GError) error = NULL;
		ret = g_file_get_contents(fn, &buf, &bufsz, &error);
		g_assert_no_error(error);
		g_assert_true(ret);
		ctype = xb_content_type_guess(fn, (const guchar *)buf, bufsz);
		g_assert_cmpstr(ctype, ==, items[i].ctype);
	}
}

static void
xb_common_searchv_func(void)
{
	const gchar *haystack[] = {"these", "words", "ready", NULL};
	const gchar *found[] = {"xxx", "wor", "yyy", NULL};
	const gchar *unfound1[] = {"xxx", "yyy", NULL};
	const gchar *unfound2[] = {"ords", NULL};
	g_assert_true(xb_string_searchv(haystack, found));
	g_assert_false(xb_string_searchv(haystack, unfound1));
	g_assert_false(xb_string_searchv(haystack, unfound2));
}

static void
xb_opcodes_kind_func(void)
{
	g_auto(XbOpcode) op1 = XB_OPCODE_INIT();
	g_auto(XbOpcode) op2 = XB_OPCODE_INIT();
	g_auto(XbOpcode) op3 = XB_OPCODE_INIT();

	xb_opcode_func_init(&op1, 0);
	xb_opcode_integer_init(&op2, 1);
	xb_opcode_text_init(&op3, "dave");

	/* check kind */
	g_assert_cmpint(xb_opcode_get_kind(&op1), ==, XB_OPCODE_KIND_FUNCTION);
	g_assert_cmpint(xb_opcode_get_kind(&op2), ==, XB_OPCODE_KIND_INTEGER);
	g_assert_cmpint(xb_opcode_get_kind(&op3), ==, XB_OPCODE_KIND_TEXT);

	/* to and from string */
	g_assert_cmpint(xb_opcode_kind_from_string("TEXT"), ==, XB_OPCODE_KIND_TEXT);
	g_assert_cmpint(xb_opcode_kind_from_string("FUNC"), ==, XB_OPCODE_KIND_FUNCTION);
	g_assert_cmpint(xb_opcode_kind_from_string("INTE"), ==, XB_OPCODE_KIND_INTEGER);
	g_assert_cmpint(xb_opcode_kind_from_string("dave"), ==, XB_OPCODE_KIND_UNKNOWN);
	g_assert_cmpstr(xb_opcode_kind_to_string(XB_OPCODE_KIND_TEXT), ==, "TEXT");
	g_assert_cmpstr(xb_opcode_kind_to_string(XB_OPCODE_KIND_FUNCTION), ==, "FUNC");
	g_assert_cmpstr(xb_opcode_kind_to_string(XB_OPCODE_KIND_INTEGER), ==, "INTE");
	g_assert_cmpstr(xb_opcode_kind_to_string(XB_OPCODE_KIND_UNKNOWN), ==, NULL);

	/* integer compare */
	g_assert_false(xb_opcode_cmp_val(&op1));
	g_assert_true(xb_opcode_cmp_val(&op2));
	g_assert_false(xb_opcode_cmp_val(&op3));

	/* string compare */
	g_assert_false(xb_opcode_cmp_str(&op1));
	g_assert_false(xb_opcode_cmp_str(&op2));
	g_assert_true(xb_opcode_cmp_str(&op3));
}

static void
xb_predicate_func(void)
{
	g_autoptr(XbSilo) silo = xb_silo_new();
	struct {
		const gchar *pred;
		const gchar *str;
	} tests[] = {{"'a'='b'", "'a','b',eq()"},
		     {"@a='b'", "'a',attr(),'b',eq()"},
		     {"@a=='b'", "'a',attr(),'b',eq()"},
		     {"'a'<'b'", "'a','b',lt()"},
		     {"999>=123", "999,123,ge()"},
		     {"not(0)", "0^1,not()"},
		     {"@a", "'a',attr(),'(null)',ne()"},
		     {"not(@a)", "'a'^1,attr()^1,not()"},
		     {"'a'=", "'a',eq()"},
		     {"='b'", "'b',eq()"},
		     {"999=\'b\'", "999,'b',eq()"},
		     {"text()=\'b\'", "text(),'b',eq()"},
		     {"last()", "last()"},
		     {"text()~='beef'", "text(),'beef'[beef],search()"},
		     {"@type~='dead'", "'type',attr(),'dead',search()"},
		     {"2", "2,position(),eq()"},
		     {"text()=lower-case('firefox')", "text(),'firefox'^1,lower-case(),eq()"},
		     {"$'a'=$'b'", "$'a',$'b',eq()"},
		     {"('a'='b')&&('c'='d')", "'a'^1,'b'^1,eq()^1,'c'^1,'d'^1,eq()^1,and()"},
		     {"text()==('a','b','c')", "text(),'c'^1,'b'^1,'a'^1,in()"},
		     /* sentinel */
		     {NULL, NULL}};
	const gchar *invalid[] = {"text(",
				  "text((((((((((((((((((((text()))))))))))))))))))))",
				  NULL};
	xb_machine_set_debug_flags(xb_silo_get_machine(silo),
				   XB_MACHINE_DEBUG_FLAG_SHOW_STACK |
				       XB_MACHINE_DEBUG_FLAG_SHOW_PARSING);
	for (guint i = 0; tests[i].pred != NULL; i++) {
		g_autofree gchar *str = NULL;
		g_autoptr(GError) error = NULL;
		g_autoptr(XbStack) opcodes = NULL;

		g_debug("testing %s", tests[i].pred);
		opcodes = xb_machine_parse_full(xb_silo_get_machine(silo),
						tests[i].pred,
						-1,
						XB_MACHINE_PARSE_FLAG_NONE,
						&error);
		g_assert_no_error(error);
		g_assert_nonnull(opcodes);
		str = xb_stack_to_string(opcodes);
		g_assert_nonnull(str);
		g_assert_cmpstr(str, ==, tests[i].str);
	}
	for (guint i = 0; invalid[i] != NULL; i++) {
		g_autoptr(GError) error = NULL;
		g_autoptr(XbStack) opcodes = NULL;
		g_debug("testing %s", invalid[i]);
		opcodes = xb_machine_parse_full(xb_silo_get_machine(silo),
						invalid[i],
						-1,
						XB_MACHINE_PARSE_FLAG_NONE,
						&error);
		g_assert_error(error, G_IO_ERROR, G_IO_ERROR_INVALID_DATA);
		g_assert_null(opcodes);
	}
}

static void
xb_predicate_optimize_func(void)
{
	g_autoptr(XbSilo) silo = xb_silo_new();
	struct {
		const gchar *pred;
		const gchar *str;
	} tests[] = {{"@a='b'", "'a',attr(),'b',eq()"},
		     {"'a'<'b'", "True"},  /* success! */
		     {"999>=123", "True"}, /* success! */
		     {"not(0)", "True"},   /* success! */
		     {"lower-case('Fire')", "'fire'"},
		     {"upper-case('Τάχιστη')", "'ΤΆΧΙΣΤΗ'"},
		     {"upper-case(lower-case('Fire'))", "'FIRE'"}, /* 2nd pass */
		     {"text()==('a','b','c')", "text(),'c'^1,'b'^1,'a'^1,in()"},
		     /* sentinel */
		     {NULL, NULL}};
	const gchar *invalid[] = {"'a'='b'", "123>=999", "not(1)", NULL};
	xb_machine_set_debug_flags(xb_silo_get_machine(silo),
				   XB_MACHINE_DEBUG_FLAG_SHOW_STACK |
				       XB_MACHINE_DEBUG_FLAG_SHOW_OPTIMIZER);
	for (guint i = 0; tests[i].pred != NULL; i++) {
		g_autofree gchar *str = NULL;
		g_autoptr(GError) error = NULL;
		g_autoptr(XbStack) opcodes = NULL;

		g_debug("testing %s", tests[i].pred);
		opcodes = xb_machine_parse_full(xb_silo_get_machine(silo),
						tests[i].pred,
						-1,
						XB_MACHINE_PARSE_FLAG_OPTIMIZE,
						&error);
		g_assert_no_error(error);
		g_assert_nonnull(opcodes);
		str = xb_stack_to_string(opcodes);
		g_assert_nonnull(str);
		g_assert_cmpstr(str, ==, tests[i].str);
	}
	for (guint i = 0; invalid[i] != NULL; i++) {
		g_autoptr(GError) error = NULL;
		g_autoptr(XbStack) opcodes = NULL;
		opcodes = xb_machine_parse_full(xb_silo_get_machine(silo),
						invalid[i],
						-1,
						XB_MACHINE_PARSE_FLAG_OPTIMIZE,
						&error);
		g_assert_error(error, G_IO_ERROR, G_IO_ERROR_INVALID_DATA);
		g_assert_null(opcodes);
	}
}

static void
xb_builder_func(void)
{
	g_autofree gchar *str = NULL;
	g_autofree gchar *xml_new = NULL;
	g_autoptr(GBytes) bytes = NULL;
	g_autoptr(GError) error = NULL;
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml = "<components origin=\"lvfs\">\n"
			   "  <header type=\"&lt;&amp;&gt;\">\n"
			   "    <csum type=\"sha1\">dead</csum>\n"
			   "  </header>\n"
			   "  <component type=\"desktop\" attr=\"value\">\n"
			   "    <id>gimp.desktop</id>\n"
			   "    <name>GIMP &amp; Friendẞ</name>\n"
			   "    <id>org.gnome.Gimp.desktop</id>\n"
			   "  </component>\n"
			   "  <component type=\"desktop\">\n"
			   "    <id>gnome-software.desktop</id>\n"
			   "  </component>\n"
			   "  <component type=\"firmware\">\n"
			   "    <id>org.hughski.ColorHug2.firmware</id>\n"
			   "    <requires>\n"
			   "      <bootloader>1.2.3</bootloader>\n"
			   "    </requires>\n"
			   "  </component>\n"
			   "</components>\n";

	/* import from XML */
	silo = xb_silo_new_from_xml(xml, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);
	g_assert_true(xb_silo_is_valid(silo));

	/* convert back to XML */
	str = xb_silo_to_string(silo, &error);
	g_assert_no_error(error);
	g_assert_nonnull(str);
	g_debug("\n%s", str);
	xml_new =
	    xb_silo_export(silo,
			   XB_NODE_EXPORT_FLAG_FORMAT_MULTILINE | XB_NODE_EXPORT_FLAG_FORMAT_INDENT,
			   &error);
	g_assert_no_error(error);
	g_assert_nonnull(xml_new);
	g_print("%s", xml_new);
	g_assert_cmpstr(xml, ==, xml_new);

	/* check size */
	bytes = xb_silo_get_bytes(silo);
	g_assert_cmpint(g_bytes_get_size(bytes), ==, 628);
}

static void
xb_builder_ensure_invalidate_cb(XbSilo *silo, GParamSpec *pspec, gpointer user_data)
{
	guint *invalidate_cnt = (guint *)user_data;
	(*invalidate_cnt)++;
	xb_test_loop_quit();
}

static GInputStream *
xb_builder_custom_mime_cb(XbBuilderSource *self,
			  XbBuilderSourceCtx *ctx,
			  gpointer user_data,
			  GCancellable *cancellable,
			  GError **error)
{
	gchar *xml = g_strdup_printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
				     "<component type=\"desktop\">"
				     "<id>%s</id></component>",
				     xb_builder_source_ctx_get_filename(ctx));
	return g_memory_input_stream_new_from_data(g_steal_pointer(&xml), -1, g_free);
}

static void
xb_builder_custom_mime_func(void)
{
	gboolean ret;
	g_autofree gchar *xml = NULL;
	g_autofree gchar *tmp_desktop = g_build_filename(g_get_tmp_dir(), "temp.desktop", NULL);
	g_autofree gchar *tmp_xmlb = g_build_filename(g_get_tmp_dir(), "temp.xmlb", NULL);
	g_autoptr(GError) error = NULL;
	g_autoptr(GFile) file_desktop = NULL;
	g_autoptr(GFile) file = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbBuilderSource) source = xb_builder_source_new();
	g_autoptr(XbSilo) silo = NULL;

	/* add support for desktop files */
	xb_builder_source_add_adapter(source,
				      "application/x-desktop",
				      xb_builder_custom_mime_cb,
				      NULL,
				      NULL);

	/* import a source file */
	ret = g_file_set_contents(tmp_desktop, "[Desktop Entry]", -1, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	file_desktop = g_file_new_for_path(tmp_desktop);
	ret = xb_builder_source_load_file(source,
					  file_desktop,
					  XB_BUILDER_SOURCE_FLAG_WATCH_FILE,
					  NULL,
					  &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_import_source(builder, source);
	file = g_file_new_for_path(tmp_xmlb);
	silo = xb_builder_ensure(builder, file, XB_BUILDER_COMPILE_FLAG_WATCH_BLOB, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* check contents */
	xml = xb_silo_export(silo, XB_NODE_EXPORT_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_nonnull(xml);
	g_print("%s", xml);
	g_assert_cmpstr("<component type=\"desktop\">"
			"<id>temp.desktop</id>"
			"</component>",
			==,
			xml);
}

static void
xb_builder_source_lzma_func(void)
{
	gboolean ret;
	g_autofree gchar *path = NULL;
	g_autofree gchar *tmp_xmlb = g_build_filename(g_get_tmp_dir(), "temp.xmlb", NULL);
	g_autoptr(GError) error = NULL;
	g_autoptr(GFile) file = NULL;
	g_autoptr(GFile) file_src = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbBuilderSource) source = xb_builder_source_new();
	g_autoptr(XbSilo) silo = NULL;

#ifndef HAVE_LZMA
	/* not supported */
	g_test_skip("compiled without -Dlzma");
	return;
#endif

	/* import a source file */
	path = g_test_build_filename(G_TEST_DIST, "test.xml.xz", NULL);
	file_src = g_file_new_for_path(path);
	if (!g_file_query_exists(file_src, NULL)) {
		g_test_skip("does not work in subproject test");
		return;
	}
	ret = xb_builder_source_load_file(source,
					  file_src,
					  XB_BUILDER_SOURCE_FLAG_NONE,
					  NULL,
					  &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_import_source(builder, source);
	file = g_file_new_for_path(tmp_xmlb);
	silo = xb_builder_ensure(builder, file, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);
}

static void
xb_builder_source_zstd_func(void)
{
	gboolean ret;
	g_autofree gchar *path = NULL;
	g_autofree gchar *tmp_xmlb = g_build_filename(g_get_tmp_dir(), "temp.xmlb", NULL);
	g_autoptr(GError) error = NULL;
	g_autoptr(GFile) file = NULL;
	g_autoptr(GFile) file_src = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbBuilderSource) source = xb_builder_source_new();
	g_autoptr(XbSilo) silo = NULL;

#ifndef HAVE_ZSTD
	/* not supported */
	g_test_skip("compiled without -Dzstd");
	return;
#endif

	/* import a source file */
	path = g_test_build_filename(G_TEST_DIST, "test.xml.zst", NULL);
	file_src = g_file_new_for_path(path);
	if (!g_file_query_exists(file_src, NULL)) {
		g_test_skip("does not work in subproject test");
		return;
	}
	ret = xb_builder_source_load_file(source,
					  file_src,
					  XB_BUILDER_SOURCE_FLAG_NONE,
					  NULL,
					  &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_import_source(builder, source);
	file = g_file_new_for_path(tmp_xmlb);
	silo = xb_builder_ensure(builder, file, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);
}

static void
xb_builder_chained_adapters_func(void)
{
	gboolean ret;
	g_autofree gchar *xml = NULL;
	g_autofree gchar *path = NULL;
	g_autofree gchar *tmp_xmlb = g_build_filename(g_get_tmp_dir(), "temp.xmlb", NULL);
	g_autoptr(GError) error = NULL;
	g_autoptr(GFile) file_src = NULL;
	g_autoptr(GFile) file = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbBuilderSource) source = xb_builder_source_new();
	g_autoptr(XbSilo) silo = NULL;

	/* import a source file */
	path = g_test_build_filename(G_TEST_DIST, "test.xml.gz.gz.gz", NULL);
	file_src = g_file_new_for_path(path);
	if (!g_file_query_exists(file_src, NULL)) {
		g_test_skip("does not work in subproject test");
		return;
	}
	ret = xb_builder_source_load_file(source,
					  file_src,
					  XB_BUILDER_SOURCE_FLAG_NONE,
					  NULL,
					  &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_import_source(builder, source);
	file = g_file_new_for_path(tmp_xmlb);
	silo = xb_builder_ensure(builder, file, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* check contents */
	xml = xb_silo_export(silo, XB_NODE_EXPORT_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_nonnull(xml);
	g_print("%s", xml);
	g_assert_cmpstr("<id>Hello world!</id>", ==, xml);
}

static void
xb_builder_ensure_watch_source_func(void)
{
	gboolean ret;
	guint invalidate_cnt = 0;
	g_autoptr(GError) error = NULL;
	g_autoptr(GFile) file = NULL;
	g_autoptr(GFile) file_xml = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbBuilderSource) source = xb_builder_source_new();
	g_autoptr(XbSilo) silo = NULL;
	g_autofree gchar *tmp_xml = g_build_filename(g_get_tmp_dir(), "temp.xml", NULL);
	g_autofree gchar *tmp_xmlb = g_build_filename(g_get_tmp_dir(), "temp.xmlb", NULL);

#ifdef _WIN32
	/* no inotify */
	g_test_skip("inotify does not work on mingw");
	return;
#endif

	/* import a source file */
	ret = g_file_set_contents(tmp_xml,
				  "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
				  "<id>gimp</id>",
				  -1,
				  &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	file_xml = g_file_new_for_path(tmp_xml);
	ret = xb_builder_source_load_file(source,
					  file_xml,
					  XB_BUILDER_SOURCE_FLAG_WATCH_FILE,
					  NULL,
					  &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_import_source(builder, source);
	file = g_file_new_for_path(tmp_xmlb);
	g_file_delete(file, NULL, NULL);
	silo = xb_builder_ensure(builder, file, XB_BUILDER_COMPILE_FLAG_WATCH_BLOB, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);
	g_assert_true(xb_silo_is_valid(silo));
	g_signal_connect(silo,
			 "notify::valid",
			 G_CALLBACK(xb_builder_ensure_invalidate_cb),
			 &invalidate_cnt);

	/* change source file */
	ret = g_file_set_contents(tmp_xml,
				  "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
				  "<id>inkscape</id>",
				  -1,
				  &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_test_loop_run_with_timeout(XB_SELF_TEST_INOTIFY_TIMEOUT);
	g_assert_false(xb_silo_is_valid(silo));
	g_assert_cmpint(invalidate_cnt, ==, 1);
	g_assert_false(xb_silo_is_valid(silo));
}

static void
xb_builder_ensure_func(void)
{
	gboolean ret;
	guint invalidate_cnt = 0;
	g_autofree gchar *bytes1str = NULL;
	g_autofree gchar *bytes2str = NULL;
	g_autofree gchar *bytes3str = NULL;
	g_autofree gchar *tmp_xmlb = g_build_filename(g_get_tmp_dir(), "temp.xmlb", NULL);
	g_autoptr(GBytes) bytes1 = NULL;
	g_autoptr(GBytes) bytes2 = NULL;
	g_autoptr(GBytes) bytes3 = NULL;
	g_autoptr(GError) error = NULL;
	g_autoptr(GFile) file = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml = "<components origin=\"lvfs\">\n"
			   "  <header type=\"&lt;&amp;&gt;\">\n"
			   "    <csum type=\"sha1\">dead</csum>\n"
			   "  </header>\n"
			   "  <component type=\"desktop\" attr=\"value\">\n"
			   "    <id>gimp.desktop</id>\n"
			   "    <name>GIMP &amp; Friendẞ</name>\n"
			   "    <id>org.gnome.Gimp.desktop</id>\n"
			   "  </component>\n"
			   "  <component type=\"desktop\">\n"
			   "    <id>gnome-software.desktop</id>\n"
			   "  </component>\n"
			   "  <component type=\"firmware\">\n"
			   "    <id>org.hughski.ColorHug2.firmware</id>\n"
			   "    <requires>\n"
			   "      <bootloader>1.2.3</bootloader>\n"
			   "    </requires>\n"
			   "  </component>\n"
			   "</components>\n";

#ifdef _WIN32
	/* no inotify */
	g_test_skip("inotify does not work on mingw");
	return;
#endif
#ifdef __sun
	/* no inotify */
	g_test_skip("missing support for inotify");
	return;
#endif

	/* import some XML */
	xb_builder_set_profile_flags(builder, XB_SILO_PROFILE_FLAG_DEBUG);
	ret = xb_test_import_xml(builder, xml, &error);
	g_assert_no_error(error);
	g_assert_true(ret);

	/* create file if it does not exist */
	file = g_file_new_for_path(tmp_xmlb);
	g_file_delete(file, NULL, NULL);
	silo = xb_builder_ensure(builder, file, XB_BUILDER_COMPILE_FLAG_WATCH_BLOB, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);
	g_signal_connect(silo,
			 "notify::valid",
			 G_CALLBACK(xb_builder_ensure_invalidate_cb),
			 &invalidate_cnt);
	g_assert_cmpint(invalidate_cnt, ==, 0);
	bytes1 = xb_silo_get_bytes(silo);
	bytes1str = g_compute_checksum_for_bytes(G_CHECKSUM_SHA1, bytes1);

	/* recreate file if it is invalid */
	ret = g_file_replace_contents(file,
				      "dave",
				      4,
				      NULL,
				      FALSE,
				      G_FILE_CREATE_NONE,
				      NULL,
				      NULL,
				      &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_test_loop_run_with_timeout(XB_SELF_TEST_INOTIFY_TIMEOUT);
	g_assert_false(xb_silo_is_valid(silo));
	g_assert_cmpint(invalidate_cnt, ==, 1);

	g_clear_object(&silo);
	silo = xb_builder_ensure(builder, file, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);
	g_assert_true(xb_silo_is_valid(silo));
	bytes2 = xb_silo_get_bytes(silo);
	bytes2str = g_compute_checksum_for_bytes(G_CHECKSUM_SHA1, bytes2);
	g_assert_cmpstr(bytes1str, !=, bytes2str);
	g_clear_object(&silo);

	/* don't recreate file if perfectly valid */
	silo = xb_builder_ensure(builder, file, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);
	g_assert_true(xb_silo_is_valid(silo));
	bytes3 = xb_silo_get_bytes(silo);
	bytes3str = g_compute_checksum_for_bytes(G_CHECKSUM_SHA1, bytes3);
	g_assert_cmpstr(bytes2str, ==, bytes3str);
	g_clear_object(&silo);
	g_clear_object(&builder);

	/* don't re-create for a new builder with the same XML added */
	builder = xb_builder_new();
	ret = xb_test_import_xml(builder, xml, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	silo = xb_builder_ensure(builder, file, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);
}

static gboolean
xb_builder_error_cb(XbBuilderFixup *self, XbBuilderNode *bn, gpointer user_data, GError **error)
{
	g_set_error_literal(error, G_IO_ERROR, G_IO_ERROR_BUSY, "engine was busy");
	return FALSE;
}

static void
xb_builder_node_vfunc_error_func(void)
{
	gboolean ret;
	g_autoptr(GError) error = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbBuilderFixup) fixup = NULL;
	g_autoptr(XbBuilderSource) source = xb_builder_source_new();
	g_autoptr(XbSilo) silo = NULL;

	/* add fixup */
	fixup = xb_builder_fixup_new("AlwaysError", xb_builder_error_cb, NULL, NULL);
	xb_builder_source_add_fixup(source, fixup);

	/* import some XML */
	ret = xb_builder_source_load_xml(source,
					 "<id>gimp.desktop</id>",
					 XB_BUILDER_SOURCE_FLAG_NONE,
					 &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_import_source(builder, source);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_BUSY);
	g_assert_null(silo);
}

static gboolean
xb_builder_ignore_cb(XbBuilderFixup *self, XbBuilderNode *bn, gpointer user_data, GError **error)
{
	if (xb_builder_node_get_element(bn) != NULL)
		xb_builder_node_add_flag(bn, XB_BUILDER_NODE_FLAG_IGNORE);
	return TRUE;
}

static void
xb_builder_node_vfunc_ignore_func(void)
{
	XbNodeChildIter iter;
	gboolean ret;
	const gchar *element;
	g_autoptr(GError) error = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbBuilderFixup) fixup = NULL;
	g_autoptr(XbBuilderSource) source = xb_builder_source_new();
	g_autoptr(XbBuilderNode) info = NULL;
	g_autoptr(XbSilo) silo = NULL;
	g_autoptr(XbNode) n = NULL;
	g_autoptr(XbNode) c = NULL;
	g_autoptr(XbNode) c2 = NULL;

	/* add fixup */
	fixup = xb_builder_fixup_new("AlwaysIgnore", xb_builder_ignore_cb, NULL, NULL);
	xb_builder_source_add_fixup(source, fixup);

	/* import some XML with metadata */
	ret = xb_builder_source_load_xml(source,
					 "<component><id>gimp.desktop</id></component>",
					 XB_BUILDER_SOURCE_FLAG_NONE,
					 &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	info = xb_builder_node_insert(NULL, "info", NULL);
	xb_builder_node_insert_text(info, "foo", "bar", NULL);
	xb_builder_source_set_info(source, info);
	xb_builder_import_source(builder, source);

	/* compile */
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);
	n = xb_silo_get_root(silo);
	g_assert_nonnull(n);
	element = xb_node_get_element(n);
	g_assert_null(element);
	c = xb_node_get_child(n);
	g_assert_null(c);
	c = xb_node_get_next(n);
	g_assert_null(c);
	xb_node_child_iter_init(&iter, n);
	ret = xb_node_child_iter_next(&iter, &c2);
	g_assert_false(ret);
	g_assert_null(c2);
}

static gboolean
xb_builder_upgrade_appstream_cb(XbBuilderFixup *self,
				XbBuilderNode *bn,
				gpointer user_data,
				GError **error)
{
	if (g_strcmp0(xb_builder_node_get_element(bn), "application") == 0) {
		g_autoptr(XbBuilderNode) id = xb_builder_node_get_child(bn, "id", NULL);
		g_autofree gchar *kind = NULL;
		if (id != NULL) {
			kind = g_strdup(xb_builder_node_get_attr(id, "type"));
			xb_builder_node_remove_attr(id, "type");
		}
		if (kind != NULL)
			xb_builder_node_set_attr(bn, "type", kind);
		xb_builder_node_set_element(bn, "component");
	} else if (g_strcmp0(xb_builder_node_get_element(bn), "metadata") == 0) {
		xb_builder_node_set_element(bn, "custom");
	}
	return TRUE;
}

static void
xb_builder_node_vfunc_func(void)
{
	gboolean ret;
	g_autofree gchar *xml2 = NULL;
	g_autoptr(GError) error = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbBuilderFixup) fixup = NULL;
	g_autoptr(XbBuilderSource) source = xb_builder_source_new();
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml = "  <application>\n"
			   "    <id type=\"desktop\">gimp.desktop</id>\n"
			   "  </application>\n";

	/* add fixup */
	fixup =
	    xb_builder_fixup_new("AppStreamUpgrade", xb_builder_upgrade_appstream_cb, NULL, NULL);
	xb_builder_source_add_fixup(source, fixup);

	/* import some XML */
	ret = xb_builder_source_load_xml(source, xml, XB_BUILDER_SOURCE_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_import_source(builder, source);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* check the XML */
	xml2 = xb_silo_export(silo, XB_NODE_EXPORT_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_nonnull(xml2);
	g_print("%s\n", xml2);
	g_assert_cmpstr("<component type=\"desktop\">"
			"<id>gimp.desktop</id>"
			"</component>",
			==,
			xml2);
}

static gboolean
xb_builder_fixup_ignore_node_cb(XbBuilderFixup *self,
				XbBuilderNode *bn,
				gpointer user_data,
				GError **error)
{
	if (g_strcmp0(xb_builder_node_get_element(bn), "component") == 0) {
		g_autoptr(XbBuilderNode) id = xb_builder_node_get_child(bn, "id", NULL);
		if (id != NULL && g_strcmp0(xb_builder_node_get_text(id), "gimp.desktop") == 0)
			xb_builder_node_add_flag(bn, XB_BUILDER_NODE_FLAG_IGNORE);
	} else {
		g_debug("ignoring %s", xb_builder_node_get_element(bn));
	}
	return TRUE;
}

static void
xb_builder_node_vfunc_remove_func(void)
{
	gboolean ret;
	g_autofree gchar *xml2 = NULL;
	g_autoptr(GError) error = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbBuilderFixup) fixup = NULL;
	g_autoptr(XbBuilderSource) source = xb_builder_source_new();
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml = "  <components>\n"
			   "    <component>\n"
			   "      <id>gimp.desktop</id>\n"
			   "    </component>\n"
			   "    <component>\n"
			   "      <id>inkscape.desktop</id>\n"
			   "    </component>\n"
			   "  </components>\n";

	/* add fixup */
	fixup = xb_builder_fixup_new("RemoveGimp", xb_builder_fixup_ignore_node_cb, NULL, NULL);
	xb_builder_source_add_fixup(source, fixup);

	/* import some XML */
	ret = xb_builder_source_load_xml(source, xml, XB_BUILDER_SOURCE_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_import_source(builder, source);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* check the XML */
	xml2 = xb_silo_export(silo, XB_NODE_EXPORT_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_nonnull(xml2);
	g_print("%s\n", xml2);
	g_assert_cmpstr("<components>"
			"<component>"
			"<id>inkscape.desktop</id>"
			"</component>"
			"</components>",
			==,
			xml2);
}

static gboolean
xb_builder_fixup_root_node_only_cb(XbBuilderFixup *self,
				   XbBuilderNode *bn,
				   gpointer user_data,
				   GError **error)
{
	g_debug(">%s<", xb_builder_node_get_element(bn));
	g_assert_cmpstr(xb_builder_node_get_element(bn), ==, NULL);
	return TRUE;
}

static void
xb_builder_node_vfunc_depth_func(void)
{
	gboolean ret;
	g_autoptr(GError) error = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbBuilderFixup) fixup = NULL;
	g_autoptr(XbBuilderSource) source = xb_builder_source_new();
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml = "  <components>\n"
			   "    <component>\n"
			   "      <id>gimp.desktop</id>\n"
			   "    </component>\n"
			   "  </components>\n";

	/* add fixup */
	fixup = xb_builder_fixup_new("OnlyRoot", xb_builder_fixup_root_node_only_cb, NULL, NULL);
	xb_builder_fixup_set_max_depth(fixup, 0);
	xb_builder_source_add_fixup(source, fixup);

	/* import some XML */
	ret = xb_builder_source_load_xml(source, xml, XB_BUILDER_SOURCE_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_import_source(builder, source);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);
}

static void
xb_builder_ignore_invalid_func(void)
{
	gboolean ret;
	g_autofree gchar *xml2 = NULL;
	g_autoptr(GError) error = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbSilo) silo = NULL;

	/* import some correct XML */
	ret = xb_test_import_xml(builder, "<book><id>foobar</id></book>", &error);
	g_assert_no_error(error);
	g_assert_true(ret);

	/* import some incorrect XML */
	ret = xb_test_import_xml(builder, "<book><id>foobar</id>", &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_IGNORE_INVALID, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* check the XML */
	xml2 = xb_silo_export(silo, XB_NODE_EXPORT_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_nonnull(xml2);
	g_print("%s\n", xml2);
	g_assert_cmpstr("<book><id>foobar</id></book>", ==, xml2);
}

static void
xb_builder_empty_func(void)
{
	gboolean ret;
	g_autofree gchar *str = NULL;
	g_autofree gchar *xml = NULL;
	g_autoptr(GBytes) bytes = NULL;
	g_autoptr(GError) error = NULL;
	g_autoptr(GPtrArray) results = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbSilo) silo2 = xb_silo_new();
	g_autoptr(XbSilo) silo = NULL;

	/* import from XML */
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);
	g_assert_true(xb_silo_is_valid(silo));

	/* check size */
	bytes = xb_silo_get_bytes(silo);
	g_assert_cmpint(g_bytes_get_size(bytes), ==, 40);

	/* try to dump */
	str = xb_silo_to_string(silo, &error);
	g_assert_no_error(error);
	g_assert_nonnull(str);
	g_debug("%s", str);

	/* try to export */
	xml = xb_silo_export(silo, XB_NODE_EXPORT_FLAG_NONE, &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND);
	g_assert_null(xml);
	g_clear_error(&error);

	/* try to query empty silo */
	results = xb_silo_query(silo, "components/component", 0, &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND);
	g_assert_null(results);
	g_clear_error(&error);

	/* load blob */
	g_assert_nonnull(bytes);
	ret = xb_silo_load_from_bytes(silo2, bytes, 0, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
}

static void
xb_xpath_node_func(void)
{
	g_autoptr(GError) error = NULL;
	g_autoptr(GPtrArray) results = NULL;
	g_autoptr(XbNode) n = NULL;
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml = "<components origin=\"lvfs\">\n"
			   "  <component type=\"desktop\">\n"
			   "    <id>gimp.desktop</id>\n"
			   "    <id>org.gnome.Gimp.desktop</id>\n"
			   "  </component>\n"
			   "  <component type=\"firmware\">\n"
			   "    <id>org.hughski.ColorHug2.firmware</id>\n"
			   "  </component>\n"
			   "</components>\n";

	/* import from XML */
	silo = xb_silo_new_from_xml(xml, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* get node */
	n = xb_silo_query_first(silo, "components/component", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_attr(n, "type"), ==, "desktop");

	/* query with text opcodes */
	results = xb_node_query(n, "id", 0, &error);
	g_assert_no_error(error);
	g_assert_nonnull(results);
	g_assert_cmpint(results->len, ==, 2);
}

static void
xb_node_data_func(void)
{
	g_autoptr(GError) error = NULL;
	g_autoptr(XbNode) n = NULL;
	g_autoptr(XbSilo) silo = NULL;
	g_autoptr(GBytes) bytes = g_bytes_new("foo", 4);

	/* import from XML */
	silo = xb_silo_new_from_xml("<id>gimp.desktop</id>", &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* get node */
	n = xb_silo_query_first(silo, "id", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	xb_node_set_data(n, "store", bytes);
	xb_node_set_data(n, "store", bytes);
	g_assert_nonnull(xb_node_get_data(n, "store"));
	g_assert_null(xb_node_get_data(n, "dave"));
}

static void
xb_node_export_func(void)
{
	g_autoptr(GError) error = NULL;
	g_autoptr(XbNode) n = NULL;
	g_autoptr(XbSilo) silo = NULL;
	g_autofree gchar *xml_default = NULL;
	g_autofree gchar *xml_collapsed = NULL;

	/* import from XML */
	silo = xb_silo_new_from_xml("<component attr1=\"val1\" attr2=\"val2\"/>", &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* get node */
	n = xb_silo_query_first(silo, "component", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);

	/* export default */
	xml_default = xb_node_export(n, XB_NODE_EXPORT_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_nonnull(xml_default);
	g_assert_cmpstr(xml_default, ==, "<component attr1=\"val1\" attr2=\"val2\"></component>");

	/* export collapsed */
	xml_collapsed = xb_node_export(n, XB_NODE_EXPORT_FLAG_COLLAPSE_EMPTY, &error);
	g_assert_no_error(error);
	g_assert_nonnull(xml_collapsed);
	g_assert_cmpstr(xml_collapsed, ==, "<component attr1=\"val1\" attr2=\"val2\" />");
}

static void
xb_node_export_collapse_func(void)
{
	const gchar *xml = "<components><aaa /><bbb /></components>";
	g_autofree gchar *xml_collapsed = NULL;
	g_autoptr(GError) error = NULL;
	g_autoptr(XbNode) n = NULL;
	g_autoptr(XbSilo) silo = NULL;

	/* import from XML */
	silo = xb_silo_new_from_xml(xml, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* export collapsed */
	n = xb_silo_get_root(silo);
	g_assert_nonnull(n);
	xml_collapsed = xb_node_export(n, XB_NODE_EXPORT_FLAG_COLLAPSE_EMPTY, &error);
	g_assert_no_error(error);
	g_assert_cmpstr(xml_collapsed, ==, xml);
}

static void
xb_xpath_parent_subnode_func(void)
{
	g_autofree gchar *xml2 = NULL;
	g_autoptr(GError) error = NULL;
	g_autoptr(GPtrArray) children = NULL;
	g_autoptr(XbNode) n = NULL;
	g_autoptr(XbNode) c = NULL;
	g_autoptr(XbNode) p = NULL;
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml = "<components origin=\"lvfs\">\n"
			   "  <component type=\"desktop\">\n"
			   "    <id>gimp.desktop</id>\n"
			   "    <id>org.gnome.Gimp.desktop</id>\n"
			   "  </component>\n"
			   "  <component type=\"firmware\">\n"
			   "    <id>org.hughski.ColorHug2.firmware</id>\n"
			   "  </component>\n"
			   "</components>\n";

	/* import from XML */
	silo = xb_silo_new_from_xml(xml, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);
	xb_silo_set_enable_node_cache(silo, TRUE);

	/* get node */
	n = xb_silo_query_first(silo, "components/component", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_attr(n, "type"), ==, "desktop");
	g_assert_cmpint(xb_node_get_depth(n), ==, 1);

	/* export a child */
	xml2 = xb_node_query_export(n, "id", &error);
	g_assert_cmpstr(xml2, ==, "<id>gimp.desktop</id>");

	/* get sibling */
	c = xb_node_get_next(n);
	g_assert_nonnull(c);
	g_assert_cmpstr(xb_node_get_attr(c, "type"), ==, "firmware");
	p = xb_node_get_next(c);
	g_assert_null(p);
	g_clear_object(&c);

	/* use the node to go back up the tree */
	c = xb_node_query_first(n, "..", &error);
	g_assert_no_error(error);
	g_assert_nonnull(c);
	g_assert_cmpstr(xb_node_get_attr(c, "origin"), ==, "lvfs");

	/* verify this is the parent */
	p = xb_node_get_root(n);
	g_assert_cmpint(xb_node_get_depth(p), ==, 0);
	g_assert(c == p);
	children = xb_node_get_children(p);
	g_assert_nonnull(children);
	g_assert_cmpint(children->len, ==, 2);
}

static void
xb_xpath_helpers_func(void)
{
	const gchar *tmp;
	guint64 val;
	g_autoptr(GError) error = NULL;
	g_autoptr(XbNode) n = NULL;
	g_autoptr(XbSilo) silo = NULL;

	/* import from XML */
	silo = xb_silo_new_from_xml("<release><checksum size=\"123\">456</checksum></release>",
				    &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* as char */
	n = xb_silo_get_root(silo);
	g_assert_nonnull(n);
	tmp = xb_node_query_text(n, "checksum", &error);
	g_assert_no_error(error);
	g_assert_cmpstr(tmp, ==, "456");
	tmp = xb_node_query_attr(n, "checksum", "size", &error);
	g_assert_no_error(error);
	g_assert_cmpstr(tmp, ==, "123");

	/* as uint64 */
	val = xb_node_query_text_as_uint(n, "checksum", &error);
	g_assert_no_error(error);
	g_assert_cmpint(val, ==, 456);
	val = xb_node_query_attr_as_uint(n, "checksum", "size", &error);
	g_assert_no_error(error);
	g_assert_cmpint(val, ==, 123);
}

static void
xb_xpath_query_func(void)
{
	g_autoptr(GError) error = NULL;
	g_autoptr(XbNode) n = NULL;
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml = "<components>\n"
			   "  <component timestamp=\"1631923200\">\n"
			   "    <id>n/a</id>\n"
			   "  </component>\n"
			   "</components>\n";

	/* import from XML */
	silo = xb_silo_new_from_xml(xml, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* query with slash */
	n = xb_silo_query_first(silo, "components/component/id[text()='n\\/a']", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "n/a");
	g_clear_object(&n);

	/* query with an OR, where the first section contains an unknown element */
	n = xb_silo_query_first(silo, "components/dave|components/component/id", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "n/a");
	g_clear_object(&n);

	/* query with an OR, where the last section contains an unknown element */
	n = xb_silo_query_first(silo, "components/component/id|components/dave", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "n/a");
	g_clear_object(&n);

	/* query using an integer */
	n = xb_silo_query_first(silo, "components/component[@timestamp=1631923200]", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_attr(n, "timestamp"), ==, "1631923200");
	g_clear_object(&n);

	/* query with an OR, all sections contains an unknown element */
	n = xb_silo_query_first(silo, "components/dave|components/mike", &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND);
	g_assert_null(n);
}

static void
xb_xpath_incomplete_func(void)
{
	g_autoptr(GError) error = NULL;
	g_autoptr(XbNode) n = NULL;
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml = "<components>\n"
			   "  <component>\n"
			   "    <id>gimp.desktop</id>\n"
			   "  </component>\n"
			   "</components>\n";

	/* import from XML */
	silo = xb_silo_new_from_xml(xml, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* query with MISSING '[' */
	n = xb_silo_query_first(silo, "components/component/id[text()='dave'", &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT);
	g_assert_null(n);
}

static gboolean
xb_builder_fixup_tokenize_cb(XbBuilderFixup *self,
			     XbBuilderNode *bn,
			     gpointer user_data,
			     GError **error)
{
	if (g_strcmp0(xb_builder_node_get_element(bn), "name") == 0)
		xb_builder_node_tokenize_text(bn);
	return TRUE;
}

static gboolean
xb_builder_fixup_strip_inner_cb(XbBuilderFixup *self,
				XbBuilderNode *bn,
				gpointer user_data,
				GError **error)
{
	if (xb_builder_node_get_first_child(bn) == NULL)
		xb_builder_node_add_flag(bn, XB_BUILDER_NODE_FLAG_STRIP_TEXT);
	return TRUE;
}

static void
xb_xpath_func(void)
{
	XbNode *n;
	XbNode *n2;
	gboolean ret;
	g_autofree gchar *str = NULL;
	g_autofree gchar *xml_sub1 = NULL;
	g_autofree gchar *xml_sub2 = NULL;
	g_autofree gchar *xml_sub3 = NULL;
	g_autoptr(GError) error = NULL;
	g_autoptr(GPtrArray) results = NULL;
	g_autoptr(XbNode) n3 = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbBuilderFixup) fixup = NULL;
	g_autoptr(XbBuilderFixup) fixup2 = NULL;
	g_autoptr(XbBuilderSource) source = xb_builder_source_new();
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml = "<components origin=\"lvfs\">\n"
			   "  <header>\n"
			   "    <csum type=\"sha1\">dead</csum>\n"
			   "  </header>\n"
			   "  <component type=\"desktop\">\n"
			   "    <id> gimp.desktop </id>\n"
			   "    <id>org.gnome.Gimp.desktop</id>\n"
			   "    <name>Mêẞ</name>\n"
			   "    <custom>\n"
			   "      <value key=\"KEY\">TRUE</value>\n"
			   "    </custom>\n"
			   "  </component>\n"
			   "  <component type=\"firmware\">\n"
			   "    <id>org.hughski.ColorHug2.firmware</id>\n"
			   "  </component>\n"
			   "</components>\n";

	/* tokenize specific fields */
	fixup = xb_builder_fixup_new("TextTokenize", xb_builder_fixup_tokenize_cb, NULL, NULL);
	xb_builder_source_add_fixup(source, fixup);

	/* strip inner nodes without children */
	fixup2 =
	    xb_builder_fixup_new("TextStripInner", xb_builder_fixup_strip_inner_cb, NULL, NULL);
	xb_builder_source_add_fixup(source, fixup2);

	/* import from XML */
	ret = xb_builder_source_load_xml(source, xml, XB_BUILDER_SOURCE_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_import_source(builder, source);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* set up debugging */
	xb_machine_set_debug_flags(xb_silo_get_machine(silo), XB_MACHINE_DEBUG_FLAG_SHOW_STACK);

	/* dump to screen */
	str = xb_silo_to_string(silo, &error);
	g_assert_no_error(error);
	g_assert_nonnull(str);
	g_debug("\n%s", str);

	/* query with predicate 'in' */
	xb_silo_set_profile_flags(silo, XB_SILO_PROFILE_FLAG_OPTIMIZER);
	n = xb_silo_query_first(
	    silo,
	    "components/component/id[text()=('gimp.desktop','another.desktop','dave.desktop')]",
	    &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "gimp.desktop");
	g_clear_object(&n);

	/* query with predicate 'in' -- single-entry tuple */
	xb_silo_set_profile_flags(silo, XB_SILO_PROFILE_FLAG_OPTIMIZER);
	n = xb_silo_query_first(silo, "components/component/id[text()=('gimp.desktop')]", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "gimp.desktop");
	g_clear_object(&n);

	/* query with predicate logical and */
	n = xb_silo_query_first(
	    silo,
	    "components/component/custom/value[(@key='KEY') and (text()='TRUE')]/../../id",
	    &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "gimp.desktop");
	g_clear_object(&n);

	/* query with predicate logical and; failure */
	n = xb_silo_query_first(
	    silo,
	    "components/component/custom/value[(@key='KEY')&&(text()='FALSE')]/../../id",
	    &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND);
	g_assert_null(n);
	g_clear_error(&error);
	g_clear_object(&n);

	/* query with predicate logical and, alternate form */
	n = xb_silo_query_first(
	    silo,
	    "components/component/custom/value[and((@key='KEY'),(text()='TRUE'))]/../../id",
	    &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "gimp.desktop");
	g_clear_object(&n);

	/* query that doesn't find anything */
	n = xb_silo_query_first(silo, "dave", &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND);
	g_assert_null(n);
	g_clear_error(&error);
	g_clear_object(&n);

	n = xb_silo_query_first(silo, "dave/dave", &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND);
	g_assert_null(n);
	g_clear_error(&error);
	g_clear_object(&n);

	n = xb_silo_query_first(silo, "components/dave", &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND);
	g_assert_null(n);
	g_clear_error(&error);
	g_clear_object(&n);

	n = xb_silo_query_first(silo, "components/component[@type='dave']/id", &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND);
	g_assert_null(n);
	g_clear_error(&error);
	g_clear_object(&n);

	n = xb_silo_query_first(silo, "components/component[@percentage>=90]", &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND);
	g_assert_null(n);
	g_clear_error(&error);
	g_clear_object(&n);

	n = xb_silo_query_first(silo, "components/component/id[text()='dave']", &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND);
	g_assert_null(n);
	g_clear_error(&error);
	g_clear_object(&n);

	/* query with attr opcodes */
	n = xb_silo_query_first(silo, "components/component[@type='firmware']/id", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "org.hughski.ColorHug2.firmware");
	g_clear_object(&n);

	/* query with attr opcodes */
	n = xb_silo_query_first(silo, "components/component[@type!='firmware']/id", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "gimp.desktop");
	g_clear_object(&n);

	/* query with attr opcodes with quotes */
	n = xb_silo_query_first(silo, "components/component[@type='firmware']/id", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "org.hughski.ColorHug2.firmware");
	g_clear_object(&n);

	/* query with position */
	n = xb_silo_query_first(silo, "components/component[2]/id", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "org.hughski.ColorHug2.firmware");
	g_clear_object(&n);

	/* last() with position */
	n = xb_silo_query_first(silo, "components/component[last()]/id", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "org.hughski.ColorHug2.firmware");
	g_clear_object(&n);

	/* query with attr opcodes that exists */
	n = xb_silo_query_first(silo, "components/component[@type]/id", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "gimp.desktop");
	g_clear_object(&n);

	/* query with attrs that do not exist */
	n = xb_silo_query_first(silo, "components/component[not(@dave)]/id", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "gimp.desktop");
	g_clear_object(&n);

	/* query with wildcard with predicate */
	n = xb_silo_query_first(silo, "components/*[@type]/id", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "gimp.desktop");
	g_clear_object(&n);

	/* query with text opcodes */
	n = xb_silo_query_first(silo, "components/header/csum[text()='dead']", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_attr(n, "type"), ==, "sha1");
	g_clear_object(&n);

	/* query with search */
	n = xb_silo_query_first(silo, "components/component/id[text()~='gimp']", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "gimp.desktop");
	g_clear_object(&n);

	/* query no normalize */
	n = xb_silo_query_first(silo, "components/component/name", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "Mêẞ");
	g_clear_object(&n);

	/* query name not UTF-8 */
	n = xb_silo_query_first(silo, "components/component/name[text()~='mEss']/../id", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "gimp.desktop");
	g_clear_object(&n);

	/* query with stem */
#ifdef HAVE_LIBSTEMMER
	xb_machine_set_debug_flags(xb_silo_get_machine(silo),
				   XB_MACHINE_DEBUG_FLAG_SHOW_STACK |
				       XB_MACHINE_DEBUG_FLAG_SHOW_PARSING);
	n = xb_silo_query_first(silo, "components/component/id[text()~=stem('gimping')]", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "gimp.desktop");
	g_clear_object(&n);
	xb_machine_set_debug_flags(xb_silo_get_machine(silo), XB_MACHINE_DEBUG_FLAG_SHOW_STACK);
#endif

	/* query with text:integer */
	n = xb_silo_query_first(silo, "components/component/id['123'=123]", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "gimp.desktop");
	g_clear_object(&n);

	/* query with integer:text */
	n = xb_silo_query_first(silo, "components/component/id[123='123']", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "gimp.desktop");
	g_clear_object(&n);

	/* query with prefix */
	n = xb_silo_query_first(silo,
				"components/component/id[starts-with(text(),'gimp')]",
				&error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "gimp.desktop");
	g_clear_object(&n);

	/* query with suffix */
	n = xb_silo_query_first(silo,
				"components/component/id[ends-with(text(),'.desktop')]",
				&error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "gimp.desktop");
	g_clear_object(&n);

	/* query with contains */
	n = xb_silo_query_first(silo, "components/component/id[contains(text(),'imp')]", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "gimp.desktop");
	g_clear_object(&n);

	/* query with type-conversion */
	n = xb_silo_query_first(silo, "components/component[position()=number('2')]/id", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "org.hughski.ColorHug2.firmware");
	g_clear_object(&n);

	/* query with another type-conversion */
	n = xb_silo_query_first(silo, "components/component['2'=string(2)]/id", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "gimp.desktop");
	g_clear_object(&n);

	/* query with backtrack */
	g_debug("\n%s", xml);
	n = xb_silo_query_first(
	    silo,
	    "components/component[@type='firmware']/id[text()='org.hughski.ColorHug2.firmware']",
	    &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "org.hughski.ColorHug2.firmware");
	g_clear_object(&n);

	/* query with nesting */
	g_debug("\n%s", xml);
	n = xb_silo_query_first(
	    silo,
	    "components/component/id[text()=lower-case(upper-case('Gimp.DESKTOP'))]",
	    &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "gimp.desktop");
	g_clear_object(&n);

	/* query for multiple results */
	results = xb_silo_query(silo, "components/component/id", 5, &error);
	g_assert_no_error(error);
	g_assert_nonnull(results);
	g_assert_cmpint(results->len, ==, 3);
	n2 = g_ptr_array_index(results, 2);
	g_assert_cmpstr(xb_node_get_text(n2), ==, "org.hughski.ColorHug2.firmware");

	/* subtree export */
	xml_sub1 = xb_node_export(n2, XB_NODE_EXPORT_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_nonnull(xml_sub1);
	g_assert_cmpstr(xml_sub1, ==, "<id>org.hughski.ColorHug2.firmware</id>");

	/* parent of subtree */
	n3 = xb_node_get_parent(n2);
	g_assert(n3 != NULL);
	xml_sub2 = xb_node_export(n3, XB_NODE_EXPORT_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_nonnull(xml_sub2);
	g_assert_cmpstr(
	    xml_sub2,
	    ==,
	    "<component type=\"firmware\"><id>org.hughski.ColorHug2.firmware</id></component>");

	/* only children of parent */
	xml_sub3 = xb_node_export(n3, XB_NODE_EXPORT_FLAG_ONLY_CHILDREN, &error);
	g_assert_no_error(error);
	g_assert_nonnull(xml_sub3);
	g_assert_cmpstr(xml_sub3, ==, "<id>org.hughski.ColorHug2.firmware</id>");
}

static void
xb_xpath_null_attr_func(void)
{
	XbNode *n;
	gboolean ret;
	g_autoptr(GError) error = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbBuilderSource) source = xb_builder_source_new();
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml = "<component type=\"desktop\">\n"
			   "  <id>org.gnome.Software</id>\n"
			   "</component>\n";

	ret = xb_builder_source_load_xml(source, xml, XB_BUILDER_SOURCE_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_import_source(builder, source);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* lower-case with nonexistent attr should not crash */
	n = xb_silo_query_first(silo, "component[lower-case(attr('nonexistent'))='x']", &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND);
	g_assert_null(n);
	g_clear_error(&error);

	/* upper-case with nonexistent attr should not crash */
	n = xb_silo_query_first(silo, "component[upper-case(attr('nonexistent'))='x']", &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND);
	g_assert_null(n);
	g_clear_error(&error);

	/* starts-with with nonexistent attr should not crash */
	n = xb_silo_query_first(silo, "component[starts-with(attr('nonexistent'),'x')]", &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND);
	g_assert_null(n);
	g_clear_error(&error);

	/* ends-with with nonexistent attr should not crash */
	n = xb_silo_query_first(silo, "component[ends-with(attr('nonexistent'),'x')]", &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND);
	g_assert_null(n);
	g_clear_error(&error);

#ifdef HAVE_LIBSTEMMER
	/* stem with nonexistent attr should not crash */
	n = xb_silo_query_first(silo, "component[stem(attr('nonexistent'))='x']", &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND);
	g_assert_null(n);
	g_clear_error(&error);
#endif
}

static void
xb_xpath_in_func(void)
{
	XbNode *n;
	gboolean ret;
	g_autoptr(GError) error = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbBuilderSource) source = xb_builder_source_new();
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml = "<component><id>test</id></component>\n";

	ret = xb_builder_source_load_xml(source, xml, XB_BUILDER_SOURCE_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_import_source(builder, source);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* in() with valid match should work */
	n = xb_silo_query_first(silo, "component/id[text()=('test','other')]", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "test");
	g_clear_object(&n);

	/* in() with no match should return NOT_FOUND, not crash */
	n = xb_silo_query_first(silo, "component/id[text()=('nope','nada')]", &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND);
	g_assert_null(n);
	g_clear_error(&error);
}

static void
xb_xpath_in_lower_func(void)
{
	XbNode *n;
	gboolean ret;
	g_autoptr(GError) error = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbBuilderSource) source = xb_builder_source_new();
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml = "<component><id>test</id></component>\n";

	ret = xb_builder_source_load_xml(source, xml, XB_BUILDER_SOURCE_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_import_source(builder, source);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* in() with lower-case() should match */
	n = xb_silo_query_first(silo, "component/id[in(text(),lower-case('TEST'))]", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "test");
	g_clear_object(&n);

	/* in() with lower-case() no match */
	n = xb_silo_query_first(silo, "component/id[in(text(),lower-case('NOPE'))]", &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND);
	g_assert_null(n);
	g_clear_error(&error);
}

static void
xb_xpath_in_null_needle_func(void)
{
	XbNode *n;
	gboolean ret;
	g_autoptr(GError) error = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbBuilderSource) source = xb_builder_source_new();
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml = "<component><id>test</id></component>\n";

	ret = xb_builder_source_load_xml(source, xml, XB_BUILDER_SOURCE_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_import_source(builder, source);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* in() with a missing attribute (NULL needle) should not crash */
	n = xb_silo_query_first(silo, "component/id[attr('missing')=('a','b')]", &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND);
	g_assert_null(n);
	g_clear_error(&error);

	/* in() with a NULL haystack entry (from attr on missing attribute) should not crash */
	n = xb_silo_query_first(silo,
				"component/id[in(text(),lower-case(attr('missing')))]",
				&error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND);
	g_assert_null(n);
	g_clear_error(&error);
}

static void
xb_xpath_stem_func(void)
{
	XbNode *n;
	gboolean ret;
	g_autoptr(GError) error = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbBuilderSource) source = xb_builder_source_new();
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml = "<component type=\"desktop\">\n"
			   "  <id>test</id>\n"
			   "</component>\n";

	ret = xb_builder_source_load_xml(source, xml, XB_BUILDER_SOURCE_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_import_source(builder, source);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* stem should type-check the top of stack, not the bottom */
	n = xb_silo_query_first(silo, "component/id[stem(text())='test']", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "test");
	g_clear_object(&n);

	/* stem with no match */
	n = xb_silo_query_first(silo, "component/id[stem(text())='nope']", &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND);
	g_assert_null(n);
	g_clear_error(&error);
}

static void
xb_xpath_or_limit_func(void)
{
	gboolean ret;
	g_autoptr(GError) error = NULL;
	g_autoptr(GString) xpath = g_string_new(NULL);
	g_autoptr(GPtrArray) results = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbBuilderSource) source = xb_builder_source_new();
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml = "<component><id>test</id></component>\n";

	ret = xb_builder_source_load_xml(source, xml, XB_BUILDER_SOURCE_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_import_source(builder, source);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* build a query with too many OR branches */
	for (guint i = 0; i < 100; i++) {
		if (i > 0)
			g_string_append_c(xpath, '|');
		g_string_append(xpath, "component/id");
	}
	results = xb_silo_query(silo, xpath->str, 0, &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_INVALID_DATA);
	g_assert_null(results);
	g_clear_error(&error);
}

static void
xb_xpath_operator_depth_limit_func(void)
{
	XbNode *n;
	gboolean ret;
	g_autoptr(GError) error = NULL;
	g_autoptr(GString) xpath = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbBuilderSource) source = xb_builder_source_new();
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml = "<component><id>test</id></component>\n";

	ret = xb_builder_source_load_xml(source, xml, XB_BUILDER_SOURCE_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_import_source(builder, source);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* a predicate with many chained operators should be rejected, not crash */
	xpath = g_string_new("component/id[");
	for (guint i = 0; i < 25; i++) {
		if (i > 0)
			g_string_append_c(xpath, '=');
		g_string_append(xpath, "'x'");
	}
	g_string_append_c(xpath, ']');
	n = xb_silo_query_first(silo, xpath->str, &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_NO_SPACE);
	g_assert_null(n);
	g_clear_error(&error);

	/* a predicate within the limit should still work */
	n = xb_silo_query_first(silo, "component/id[text()='test']", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "test");
	g_clear_object(&n);
}

static void
xb_xpath_section_limit_func(void)
{
	gboolean ret;
	g_autoptr(GError) error = NULL;
	g_autoptr(GString) xpath = g_string_new(NULL);
	g_autoptr(GPtrArray) results = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbBuilderSource) source = xb_builder_source_new();
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml = "<component><id>test</id></component>\n";

	ret = xb_builder_source_load_xml(source, xml, XB_BUILDER_SOURCE_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_import_source(builder, source);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* build a query with too many sections (>100) */
	for (guint i = 0; i < 102; i++) {
		if (i > 0)
			g_string_append_c(xpath, '/');
		g_string_append(xpath, "a");
	}
	results = xb_silo_query(silo, xpath->str, 0, &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_INVALID_DATA);
	g_assert_null(results);
	g_clear_error(&error);
}

static void
xb_builder_strtab_ntags_limit_func(void)
{
	gboolean ret;
	g_autoptr(GError) error = NULL;
	g_autoptr(GString) xml = g_string_new("<root>");
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbBuilderSource) source = xb_builder_source_new();
	g_autoptr(XbSilo) silo = NULL;

	/* generate XML with more than 65535 unique element names */
	for (guint i = 0; i <= G_MAXUINT16; i++)
		g_string_append_printf(xml, "<e%u/>", i);
	g_string_append(xml, "</root>");

	ret = xb_builder_source_load_xml(source, xml->str, XB_BUILDER_SOURCE_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_import_source(builder, source);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_INVALID_DATA);
	g_assert_null(silo);
}

static void
xb_xpath_predicate_limit_func(void)
{
	XbNode *n;
	gboolean ret;
	g_autoptr(GError) error = NULL;
	g_autoptr(GString) xpath = g_string_new("component/id");
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbBuilderSource) source = xb_builder_source_new();
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml = "<component><id>test</id></component>\n";

	ret = xb_builder_source_load_xml(source, xml, XB_BUILDER_SOURCE_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_import_source(builder, source);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* build a query with too many predicates (>20) */
	for (guint i = 0; i < 21; i++)
		g_string_append(xpath, "[text()='test']");
	n = xb_silo_query_first(silo, xpath->str, &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_INVALID_DATA);
	g_assert_null(n);
	g_clear_error(&error);
}

static void
xb_manual_token_search_func(void)
{
	XbNode *n;
	g_autoptr(XbNode) cpt_node = NULL;
	g_autoptr(XbBuilder) builder = NULL;
	g_autoptr(XbBuilderNode) bn_root = NULL;
	g_autoptr(XbBuilderNode) bn = NULL;
	g_autoptr(XbSilo) silo = NULL;
	g_autofree gchar *str = NULL;
	g_autoptr(XbQuery) query = NULL;
	g_autoptr(GPtrArray) result = NULL;
	g_autoptr(GError) error = NULL;
	g_auto(XbQueryContext) context = XB_QUERY_CONTEXT_INIT();

	/* create node tree and add a dummy token manually */
	bn_root = xb_builder_node_new("component");
	bn = xb_builder_node_new("summary");
	xb_builder_node_set_text(bn, "A strategy game", -1);
	xb_builder_node_add_token(bn, "strategy"); /* or use XB_BUILDER_NODE_FLAG_TOKENIZE_TEXT */
	xb_builder_node_add_token(bn, "strategi");
	xb_builder_node_add_child(bn_root, bn);

	builder = xb_builder_new();
	xb_builder_import_node(builder, bn_root);

	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* dump to screen */
	str = xb_silo_to_string(silo, &error);
	g_assert_no_error(error);
	g_assert_nonnull(str);
	g_debug("\n%s", str);

	/* get component node */
	cpt_node = xb_silo_query_first(silo, "component", &error);
	g_assert_no_error(error);
	g_assert_nonnull(cpt_node);

	/* search using the slow, token-less path */
	query = xb_query_new(silo, "summary[text()~=?]", &error);
	g_assert_no_error(error);
	g_assert_nonnull(query);

	xb_value_bindings_bind_str(xb_query_context_get_bindings(&context), 0, "strategy", NULL);
	result = xb_node_query_with_context(cpt_node, query, &context, &error);
	g_assert_no_error(error);
	g_assert_nonnull(result);

	n = XB_NODE(g_ptr_array_index(result, 0));
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "A strategy game");
	g_clear_object(&query);
	g_ptr_array_unref(g_steal_pointer(&result));

	/* search for token */
	xb_silo_set_profile_flags(silo, ~0);
	query = xb_query_new(silo, "summary[text()~=?]", &error);
	g_assert_no_error(error);
	g_assert_nonnull(query);

	xb_value_bindings_bind_str(xb_query_context_get_bindings(&context), 0, "strategi", NULL);
	result = xb_node_query_with_context(cpt_node, query, &context, &error);
	g_assert_no_error(error);
	g_assert_nonnull(result);

	n = XB_NODE(g_ptr_array_index(result, 0));
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "A strategy game");
}

static void
xb_builder_native_lang_func(void)
{
	gboolean ret;
	g_autoptr(GError) error = NULL;
	g_autofree gchar *str = NULL;
	g_autofree gchar *tmp = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbNode) n = NULL;
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml = "<components>\n"
			   "  <component>\n"
			   "    <p xml:lang=\"de_DE\">Wilcommen</p>\n"
			   "    <p>Hello</p>\n"
			   "    <p xml:lang=\"fr\">Salut</p>\n"
			   "    <p>Goodbye</p>\n"
			   "    <p xml:lang=\"de_DE\">Auf Wiedersehen</p>\n"
			   "    <p xml:lang=\"fr\">Au revoir</p>\n"
			   "  </component>\n"
			   "</components>\n";

	/* import from XML */
	ret = xb_test_import_xml(builder, xml, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_add_locale(builder, "fr_FR.UTF-8");
	xb_builder_add_locale(builder, "fr_FR");
	xb_builder_add_locale(builder, "fr_FR");
	xb_builder_add_locale(builder, "fr");
	xb_builder_add_locale(builder, "C");
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_SINGLE_LANG, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* test we removed other languages */
	str = xb_silo_to_string(silo, &error);
	g_assert_no_error(error);
	g_assert_nonnull(str);
	g_debug("\n%s", str);
	g_assert_null(g_strstr_len(str, -1, "Wilcommen"));
	g_assert_null(g_strstr_len(str, -1, "Hello"));
	g_assert_nonnull(g_strstr_len(str, -1, "Salut"));
	g_assert_null(g_strstr_len(str, -1, "Goodbye"));
	g_assert_null(g_strstr_len(str, -1, "Auf Wiedersehen"));
	g_assert_nonnull(g_strstr_len(str, -1, "Au revoir"));

	/* test we traversed the tree correctly */
	n = xb_silo_query_first(silo, "components/component/*", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	tmp = xb_node_export(n, XB_NODE_EXPORT_FLAG_INCLUDE_SIBLINGS, &error);
	g_assert_cmpstr(tmp, ==, "<p xml:lang=\"fr\">Salut</p><p xml:lang=\"fr\">Au revoir</p>");
}

static void
xb_builder_comments_func(void)
{
	gboolean ret;
	g_autoptr(GError) error = NULL;
	g_autofree gchar *str = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml = "<?xml version=\"1.0\" ?>\n"
			   "<components>\n"
			   "  <!-- one -->\n"
			   "  <!-- two -->\n"
			   "</components>\n";

	/* import XML */
	ret = xb_test_import_xml(builder, xml, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* export */
	str = xb_silo_export(silo, XB_NODE_EXPORT_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_cmpstr(str, ==, "<components></components>");
}

static void
xb_builder_cdata_func(void)
{
	gboolean ret;
	g_autoptr(GError) error = NULL;
	g_autofree gchar *str = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml =
	    "<?xml version=\"1.0\" ?>\n"
	    "<components>\n"
	    "  <component>\n"
	    "     <text>plain text</text>\n"
	    "     <summary><![CDATA[1 2 3]]></summary>\n"
	    "     <description><p>s <![CDATA[1]]> p <![CDATA[2]]> l <![CDATA[3]]> i <![CDATA[4]]> "
	    "t</p><p><![CDATA[><]]></p><p><![CDATA[\"]]></p></description>\n"
	    "  </component>\n"
	    "</components>\n";

	/* import XML */
	ret = xb_test_import_xml(builder, xml, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* export */
	str = xb_silo_export(silo, XB_NODE_EXPORT_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_cmpstr(str,
			==,
			"<components><component><text>plain text</text><summary>1 2 "
			"3</summary><description><p>s 1 p 2 l 3 i 4 "
			"t</p><p>&gt;&lt;</p><p>&quot;</p></description></component></components>");
}

static void
xb_builder_native_lang2_func(void)
{
	gboolean ret;
	g_autoptr(GError) error = NULL;
	g_autofree gchar *str = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml = "<components>\n"
			   "  <component>\n"
			   "    <description xml:lang=\"de_DE\"><p>Wilcommen</p></description>\n"
			   "    <description><p>Hello</p></description>\n"
			   "    <description xml:lang=\"fr\"><p>Salut</p></description>\n"
			   "  </component>\n"
			   "</components>\n";

	/* import from XML */
	ret = xb_test_import_xml(builder, xml, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_add_locale(builder, "fr_FR");
	xb_builder_add_locale(builder, "fr");
	xb_builder_add_locale(builder, "C");
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_SINGLE_LANG, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* test we removed other languages */
	str = xb_silo_to_string(silo, &error);
	g_assert_no_error(error);
	g_assert_nonnull(str);
	g_assert_null(g_strstr_len(str, -1, "Wilcommen"));
	g_assert_null(g_strstr_len(str, -1, "Hello"));
	g_assert_nonnull(g_strstr_len(str, -1, "Salut"));
	g_debug("\n%s", str);
}

static void
xb_builder_native_lang_no_locales_func(void)
{
	gboolean ret;
	g_autoptr(GError) error = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbSilo) silo = NULL;

	/* import from XML */
	ret = xb_test_import_xml(builder, "<id>gimp.desktop</id>", &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_SINGLE_LANG, NULL, &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_INVALID_DATA);
	g_assert_null(silo);
}

static void
xb_xpath_parent_func(void)
{
	XbNode *n;
	gboolean ret;
	g_autoptr(GError) error = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml = "<components origin=\"lvfs\">\n"
			   "  <header>\n"
			   "    <csum type=\"sha1\">dead</csum>\n"
			   "  </header>\n"
			   "  <component type=\"desktop\">\n"
			   "    <id>gimp.desktop</id>\n"
			   "    <id>org.gnome.Gimp.desktop</id>\n"
			   "  </component>\n"
			   "  <component type=\"firmware\">\n"
			   "    <id>org.hughski.ColorHug2.firmware</id>\n"
			   "    <pkgname>colorhug-client</pkgname>\n"
			   "    <description xml:lang=\"de_DE\"><p>Wilcommen!</p></description>\n"
			   "    <description><p>hello!</p></description>\n"
			   "    <description xml:lang=\"fr_FR\"><p>Bonjour!</p></description>\n"
			   "    <project_license>GPL-2.0</project_license>\n"
			   "  </component>\n"
			   "</components>\n";

	/* import from XML */
	ret = xb_test_import_xml(builder, xml, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_add_locale(builder, "C");
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NATIVE_LANGS, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* get node, no parent */
	n = xb_silo_query_first(silo, "components/component[@type='firmware']/id", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "org.hughski.ColorHug2.firmware");
	g_assert_cmpstr(xb_node_get_element(n), ==, "id");
	g_clear_object(&n);

	/* get node, one parent */
	n = xb_silo_query_first(silo, "components/component[@type='firmware']/id/..", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_element(n), ==, "component");
	g_clear_object(&n);

	/* get node, multiple parents */
	n = xb_silo_query_first(silo, "components/component[@type='firmware']/id/../..", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_element(n), ==, "components");
	g_clear_object(&n);

	/* descend, ascend, descend */
	n = xb_silo_query_first(silo,
				"components/component[@type='firmware']/pkgname/../project_license",
				&error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "GPL-2.0");
	g_clear_object(&n);

	/* descend, ascend, descend */
	n = xb_silo_query_first(silo,
				"components/component/pkgname[text()~='colorhug']/../id",
				&error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "org.hughski.ColorHug2.firmware");
	g_clear_object(&n);

	/* get node, too many parents */
	n = xb_silo_query_first(silo, "components/component[@type='firmware']/id/../../..", &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT);
	g_assert_null(n);
	g_clear_error(&error);

	/* can't go lower than root */
	n = xb_silo_query_first(silo, "..", &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT);
	g_assert_null(n);
	g_clear_error(&error);

	/* fuzzy substring match */
	n = xb_silo_query_first(silo, "components/component/pkgname[text()~='colorhug']", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "colorhug-client");
	g_clear_object(&n);

	/* strlen match */
	n = xb_silo_query_first(silo,
				"components/component/pkgname[string-length(text())==15]",
				&error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "colorhug-client");
	g_clear_object(&n);

	/* fuzzy substring match */
	n = xb_silo_query_first(silo, "components/component[@type~='firm']/pkgname", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "colorhug-client");
	g_clear_object(&n);
}

static void
xb_xpath_prepared_func(void)
{
	XbNode *n;
	gboolean ret;
	g_autoptr(GError) error = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbSilo) silo = NULL;
	g_autoptr(XbQuery) query = NULL;
	g_auto(XbQueryContext) context = XB_QUERY_CONTEXT_INIT();
	g_autoptr(XbNode) component = NULL;
	g_autoptr(GPtrArray) components = NULL;
	const gchar *xml = "<components origin=\"lvfs\">\n"
			   "  <component type=\"desktop\">\n"
			   "    <id>gimp.desktop</id>\n"
			   "    <id>org.gnome.Gimp.desktop</id>\n"
			   "  </component>\n"
			   "  <component type=\"firmware\">\n"
			   "    <id>org.hughski.ColorHug2.firmware</id>\n"
			   "    <pkgname>colorhug-client</pkgname>\n"
			   "  </component>\n"
			   "</components>\n";

	/* import from XML */
	ret = xb_test_import_xml(builder, xml, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_add_locale(builder, "C");
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NATIVE_LANGS, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* get first component */
	component = xb_silo_query_first(silo, "components/component", &error);
	g_assert_no_error(error);
	g_assert_nonnull(component);

	/* prepared statement on node */
	query = xb_query_new(silo, "id[text()=?]/..", &error);
	g_assert_no_error(error);
	g_assert_nonnull(query);
	xb_value_bindings_bind_str(xb_query_context_get_bindings(&context),
				   0,
				   "gimp.desktop",
				   NULL);
	components = xb_node_query_with_context(component, query, &context, &error);
	g_assert_no_error(error);
	g_assert_nonnull(components);
	g_assert_cmpint(components->len, ==, 1);
	n = g_ptr_array_index(components, 0);
	g_assert_cmpstr(xb_node_get_attr(n, "type"), ==, "desktop");
}

static void
xb_xpath_query_reverse_func(void)
{
	XbNode *n;
	gboolean ret;
	g_autoptr(GError) error = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbSilo) silo = NULL;
	g_autoptr(XbQuery) query = NULL;
	g_autoptr(GPtrArray) names = NULL;
	const gchar *xml = "<names>\n"
			   "  <name>foo</name>\n"
			   "  <name>bar</name>\n"
			   "  <name>baz</name>\n"
			   "</names>\n";

	/* import from XML */
	ret = xb_test_import_xml(builder, xml, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* get first when reversed */
	query = xb_query_new_full(silo, "names/name", XB_QUERY_FLAG_REVERSE, &error);
	g_assert_no_error(error);
	g_assert_nonnull(query);
	names = xb_silo_query_with_context(silo, query, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(names);
	g_assert_cmpint(names->len, ==, 3);
	n = g_ptr_array_index(names, 0);
	g_assert_cmpstr(xb_node_get_text(n), ==, "baz");
}

static void
xb_xpath_query_force_node_cache_func(void)
{
	gboolean ret;
	g_autoptr(GError) error = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbNode) n1 = NULL;
	g_autoptr(XbNode) n2 = NULL;
	g_autoptr(XbQuery) query = NULL;
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml = "<names>\n"
			   "  <name>foo</name>\n"
			   "</names>\n";

	/* import from XML */
	ret = xb_test_import_xml(builder, xml, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* use a cache for this specific result */
	query = xb_query_new_full(silo, "names/name", XB_QUERY_FLAG_FORCE_NODE_CACHE, &error);
	g_assert_no_error(error);
	g_assert_nonnull(query);
	n1 = xb_silo_query_first_with_context(silo, query, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(n1);
	n2 = xb_silo_query_first_with_context(silo, query, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(n2);
	g_assert(n1 == n2);
}

static void
xb_xpath_glob_func(void)
{
	g_autofree gchar *xml2 = NULL;
	g_autoptr(GError) error = NULL;
	g_autoptr(XbNode) n = NULL;
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml = "<components origin=\"lvfs\">\n"
			   "  <component type=\"desktop\">\n"
			   "    <id>gimp.desktop</id>\n"
			   "    <id>org.gnome.GIMP.desktop</id>\n"
			   "  </component>\n"
			   "</components>\n";

	/* import from XML */
	silo = xb_silo_new_from_xml(xml, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* get node, no parent */
	n = xb_silo_query_first(silo, "components/component[@type='desktop']/*", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_element(n), ==, "id");

	/* export this one node */
	xml2 = xb_node_export(n, XB_NODE_EXPORT_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_cmpstr(xml2, ==, "<id>gimp.desktop</id>");
}

static void
xb_builder_multiple_roots_func(void)
{
	gboolean ret;
	g_autofree gchar *str = NULL;
	g_autofree gchar *xml_new = NULL;
	g_autoptr(GError) error = NULL;
	g_autoptr(GPtrArray) results = NULL;
	g_autoptr(XbBuilder) builder = NULL;
	g_autoptr(XbSilo) silo = NULL;

	/* import from XML */
	builder = xb_builder_new();
	ret = xb_test_import_xml(builder, "<tag>value</tag>", &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	ret = xb_test_import_xml(builder, "<tag>value2</tag><tag>value3</tag>", &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* convert back to XML */
	str = xb_silo_to_string(silo, &error);
	g_assert_no_error(error);
	g_assert_nonnull(str);
	g_debug("\n%s", str);
	xml_new = xb_silo_export(silo, XB_NODE_EXPORT_FLAG_INCLUDE_SIBLINGS, &error);
	g_assert_no_error(error);
	g_assert_nonnull(xml_new);
	g_print("%s", xml_new);
	g_assert_cmpstr("<tag>value</tag><tag>value2</tag><tag>value3</tag>", ==, xml_new);

	/* query for multiple results */
	results = xb_silo_query(silo, "tag", 5, &error);
	g_assert_no_error(error);
	g_assert_nonnull(results);
	g_assert_cmpint(results->len, ==, 3);
}

static void
xb_builder_single_root_func(void)
{
	gboolean ret;
	g_autoptr(GError) error = NULL;
	g_autoptr(XbBuilder) builder = NULL;
	g_autoptr(XbSilo) silo = NULL;

	/* import from XML */
	builder = xb_builder_new();
	ret = xb_test_import_xml(builder, "<tag>value2</tag><tag>value3</tag>", &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_SINGLE_ROOT, NULL, &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_INVALID_DATA);
	g_assert_null(silo);
}

static void
xb_builder_node_token_max_func(void)
{
	g_autofree gchar *xml = NULL;
	g_autoptr(GError) error = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbBuilderNode) components = NULL;
	g_autoptr(XbBuilderNode) root = xb_builder_node_new(NULL);
	g_autoptr(XbSilo) silo = NULL;

	/* create a simple document */
	components = xb_builder_node_insert(root, "components", NULL);
	for (guint i = 0; i < XB_OPCODE_TOKEN_MAX * 2; i++) {
		g_autofree gchar *tmp = g_strdup_printf("foobarbaz%04u", i);
		xb_builder_node_add_token(components, tmp);
	}

	/* import the doc */
	xb_builder_import_node(builder, root);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* check the XML */
	xml = xb_silo_export(silo, XB_NODE_EXPORT_FLAG_COLLAPSE_EMPTY, &error);
	g_assert_no_error(error);
	g_assert_nonnull(xml);
	g_assert_cmpstr("<components />", ==, xml);
}

static void
xb_builder_node_func(void)
{
	g_autofree gchar *xml = NULL;
	g_autofree gchar *xml_src = NULL;
	g_autoptr(GError) error = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbBuilderNode) child_by_element = NULL;
	g_autoptr(XbBuilderNode) child_by_text = NULL;
	g_autoptr(XbBuilderNode) component = NULL;
	g_autoptr(XbBuilderNode) components = NULL;
	g_autoptr(XbBuilderNode) id = NULL;
	g_autoptr(XbBuilderNode) description = xb_builder_node_new("description");
	g_autoptr(XbBuilderNode) em = xb_builder_node_new("em");
	g_autoptr(XbBuilderNode) empty = NULL;
	g_autoptr(XbBuilderNode) root = xb_builder_node_new(NULL);
	g_autoptr(XbSilo) silo = NULL;

	/* create a simple document */
	components = xb_builder_node_insert(root, "components", "origin", "lvfs", NULL);
	g_assert_cmpint(xb_builder_node_depth(components), ==, 1);
	component = xb_builder_node_insert(components, "component", NULL);
	g_assert_cmpint(xb_builder_node_depth(component), ==, 2);
	xb_builder_node_set_attr(component, "type", "firmware");
	xb_builder_node_set_attr(component, "type", "desktop");
	g_assert_cmpstr(xb_builder_node_get_attr(component, "type"), ==, "desktop");
	g_assert_cmpstr(xb_builder_node_get_attr(component, "dave"), ==, NULL);
	id = xb_builder_node_new("id");
	xb_builder_node_add_flag(id, XB_BUILDER_NODE_FLAG_TOKENIZE_TEXT);
	xb_builder_node_add_token(id, "foobarbaz");
	xb_builder_node_add_child(component, id);
	xb_builder_node_set_text(id, "gimp.desktop", -1);
	xb_builder_node_insert_text(component, "icon", "dave", "type", "stock", NULL);
	g_assert_cmpint(xb_builder_node_depth(id), ==, 3);

	xb_builder_node_add_flag(em, XB_BUILDER_NODE_FLAG_LITERAL_TEXT);
	xb_builder_node_set_text(em, "world!", -1);
	xb_builder_node_set_tail(em, "    ", -1);
	xb_builder_node_add_child(description, em);
	xb_builder_node_set_text(description, "hello ", -1);
	xb_builder_node_add_child(component, description);

	/* no text contents */
	empty = xb_builder_node_insert(component, "empty", NULL);
	xb_builder_node_set_text(empty, NULL, -1);
	xb_builder_node_set_tail(empty, NULL, -1);

	/* get specific child */
	child_by_element = xb_builder_node_get_child(components, "component", NULL);
	g_assert_nonnull(child_by_element);
	g_assert_cmpstr(xb_builder_node_get_element(child_by_element), ==, "component");
	child_by_text = xb_builder_node_get_child(component, "id", "gimp.desktop");
	g_assert_nonnull(child_by_text);
	g_assert_cmpstr(xb_builder_node_get_element(child_by_text), ==, "id");

	/* check the source XML */
	xml_src = xb_builder_node_export(components,
					 XB_NODE_EXPORT_FLAG_FORMAT_MULTILINE |
					     XB_NODE_EXPORT_FLAG_COLLAPSE_EMPTY,
					 &error);
	g_assert_no_error(error);
	g_assert_nonnull(xml_src);
	g_print("%s", xml_src);
	g_assert_cmpstr("<components origin=\"lvfs\">\n"
			"<component type=\"desktop\">\n"
			"<id>gimp.desktop</id>\n"
			"<icon type=\"stock\">dave</icon>\n"
			"<description>hello <em>world!</em>    \n"
			"</description>\n"
			"<empty />\n"
			"</component>\n"
			"</components>\n",
			==,
			xml_src);
	/* import the doc */
	xb_builder_import_node(builder, root);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* check the XML */
	xml = xb_silo_export(silo,
			     XB_NODE_EXPORT_FLAG_INCLUDE_SIBLINGS |
				 XB_NODE_EXPORT_FLAG_COLLAPSE_EMPTY,
			     &error);
	g_assert_no_error(error);
	g_assert_nonnull(xml);
	g_print("%s", xml);
	g_assert_cmpstr("<components origin=\"lvfs\">"
			"<component type=\"desktop\">"
			"<id>gimp.desktop</id>"
			"<icon type=\"stock\">dave</icon>"
			"<description>hello <em>world!</em>"
			"</description>"
			"<empty />"
			"</component>"
			"</components>",
			==,
			xml);
}

static void
xb_builder_node_literal_text_func(void)
{
	gboolean ret;
	g_autofree gchar *xml2 = NULL;
	g_autoptr(GError) error = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbBuilderSource) source = xb_builder_source_new();
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml = "  <component>\n"
			   "    <description>\n"
			   "      <p>Really long content\n"
			   "spanning multiple lines\n"
			   "</p>\n"
			   "    </description>\n"
			   "  </component>\n";

	/* import some XML */
	ret = xb_builder_source_load_xml(source, xml, XB_BUILDER_SOURCE_FLAG_LITERAL_TEXT, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_import_source(builder, source);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* check the XML */
	xml2 = xb_silo_export(silo, XB_NODE_EXPORT_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_nonnull(xml2);
	g_print("%s\n", xml2);
	g_assert_cmpstr(
	    "<component>"
	    "<description><p>Really long content\nspanning multiple lines\n</p></description>"
	    "</component>",
	    ==,
	    xml2);
}

static void
xb_builder_node_source_text_func(void)
{
	gboolean ret;
	g_autofree gchar *xml2 = NULL;
	g_autoptr(GError) error = NULL;
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbBuilderSource) source = xb_builder_source_new();
	g_autoptr(XbSilo) silo = NULL;
	const gchar *xml = "  <component>\n"
			   "    <description>\n"
			   "      <p>Really long content\n"
			   "spanning multiple lines\n"
			   "</p>\n"
			   "    </description>\n"
			   "  </component>\n";

	/* import some XML */
	ret = xb_builder_source_load_xml(source, xml, XB_BUILDER_SOURCE_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_import_source(builder, source);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* check the XML */
	xml2 = xb_silo_export(silo, XB_NODE_EXPORT_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_nonnull(xml2);
	g_print("%s\n", xml2);
	g_assert_cmpstr(
	    "<component>"
	    "<description><p>Really long content spanning multiple lines</p></description>"
	    "</component>",
	    ==,
	    xml2);
}

static void
xb_builder_node_info_func(void)
{
	gboolean ret;
	g_autofree gchar *xml = NULL;
	g_autofree gchar *tmp_xml = g_build_filename(g_get_tmp_dir(), "temp.xml", NULL);
	g_autoptr(GError) error = NULL;
	g_autoptr(XbBuilderSource) import1 = xb_builder_source_new();
	g_autoptr(XbBuilderSource) import2 = xb_builder_source_new();
	g_autoptr(XbBuilder) builder = xb_builder_new();
	g_autoptr(XbNode) n = NULL;
	g_autoptr(XbBuilderNode) info1 = NULL;
	g_autoptr(XbBuilderNode) info2 = NULL;
	g_autoptr(XbSilo) silo = NULL;
	g_autoptr(GFile) file = NULL;

	/* create a simple document with some info */
	ret = g_file_set_contents(tmp_xml,
				  "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
				  "<component><id type=\"desktop\">dave</id></component>",
				  -1,
				  &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	info1 = xb_builder_node_insert(NULL, "info", NULL);
	xb_builder_node_insert_text(info1, "scope", "user", NULL);
	info2 = xb_builder_node_insert(NULL, "info", NULL);
	xb_builder_node_insert_text(info2, "scope", "system", NULL);

	/* import the doc */
	file = g_file_new_for_path(tmp_xml);
	ret = xb_builder_source_load_file(import1, file, XB_BUILDER_SOURCE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_source_set_info(import1, info1);
	xb_builder_source_set_prefix(import1, "local");
	xb_builder_import_source(builder, import1);
	ret = xb_builder_source_load_file(import2, file, XB_BUILDER_SOURCE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	xb_builder_source_set_info(import2, info2);
	xb_builder_source_set_prefix(import2, "local");
	xb_builder_import_source(builder, import2);
	silo = xb_builder_compile(builder, XB_BUILDER_COMPILE_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* get info */
	n = xb_silo_query_first(silo, "local/component/id[text()='dave']/../info/scope", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_assert_cmpstr(xb_node_get_text(n), ==, "user");

	/* check the XML */
	xml = xb_silo_export(silo, XB_NODE_EXPORT_FLAG_INCLUDE_SIBLINGS, &error);
	g_assert_no_error(error);
	g_assert_nonnull(xml);
	g_assert_cmpstr("<local>"
			"<component>"
			"<id type=\"desktop\">dave</id>"
			"<info>"
			"<scope>user</scope>"
			"</info>"
			"</component>"
			"<component>"
			"<id type=\"desktop\">dave</id>"
			"<info>"
			"<scope>system</scope>"
			"</info>"
			"</component>"
			"</local>",
			==,
			xml);
}

static void
xb_threading_cb(gpointer data, gpointer user_data)
{
	XbSilo *silo = XB_SILO(user_data);
	gint i = g_random_int_range(0, 50);
	g_autofree gchar *xpath = NULL;
	g_autoptr(GError) error = NULL;
	g_autoptr(GPtrArray) components = NULL;

	/* do query */
	xpath = g_strdup_printf("components/component/id[text()='%06i.firmware']", i);
	components = xb_silo_query(silo, xpath, 0, &error);
	g_assert_no_error(error);
	g_assert_nonnull(components);
	g_assert_cmpint(components->len, ==, 1);
	g_print(".");
}

static void
xb_threading_func(void)
{
	GThreadPool *pool;
	gboolean ret;
	guint n_components = 10000;
	g_autoptr(GError) error = NULL;
	g_autoptr(GString) xml = g_string_new(NULL);
	g_autoptr(XbSilo) silo = NULL;

#ifdef __s390x__
	/* this is run with qemu and takes too much time */
	g_test_skip("s390 too slow, skipping");
	return;
#endif

	/* create a huge document */
	g_string_append(xml, "<components>");
	for (guint i = 0; i < n_components; i++) {
		g_string_append(xml, "<component>");
		g_string_append_printf(xml, "  <id>%06u.firmware</id>", i);
		g_string_append(xml, "  <name>ColorHug2</name>");
		g_string_append(xml, "  <summary>Firmware</summary>");
		g_string_append(xml, "  <description><p>New features!</p></description>");
		g_string_append(xml, "</component>");
	}
	g_string_append(xml, "</components>");

	/* import from XML */
	silo = xb_silo_new_from_xml(xml->str, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* create thread pool */
	pool = g_thread_pool_new(xb_threading_cb, silo, 20, TRUE, &error);
	g_assert_no_error(error);
	g_assert_nonnull(pool);

	/* run threads */
	for (guint i = 0; i < 100; i++) {
		ret = g_thread_pool_push(pool, &i, &error);
		g_assert_no_error(error);
		g_assert_true(ret);
	}
	g_thread_pool_free(pool, FALSE, TRUE);
}

typedef struct {
	guint cnt;
	GString *str;
} XbMarkupHelper;

static gboolean
xb_markup_head_cb(XbNode *n, gpointer user_data)
{
	XbMarkupHelper *helper = (XbMarkupHelper *)user_data;
	helper->cnt++;

	if (xb_node_get_text(n) == NULL)
		return FALSE;

	/* start */
	if (g_strcmp0(xb_node_get_element(n), "em") == 0) {
		g_string_append(helper->str, "*");
	} else if (g_strcmp0(xb_node_get_element(n), "strong") == 0) {
		g_string_append(helper->str, "**");
	} else if (g_strcmp0(xb_node_get_element(n), "code") == 0) {
		g_string_append(helper->str, "`");
	}

	/* text */
	if (xb_node_get_text(n) != NULL)
		g_string_append(helper->str, xb_node_get_text(n));

	return FALSE;
}

static gboolean
xb_markup_tail_cb(XbNode *n, gpointer user_data)
{
	XbMarkupHelper *helper = (XbMarkupHelper *)user_data;
	helper->cnt++;

	/* end */
	if (g_strcmp0(xb_node_get_element(n), "em") == 0) {
		g_string_append(helper->str, "*");
	} else if (g_strcmp0(xb_node_get_element(n), "strong") == 0) {
		g_string_append(helper->str, "**");
	} else if (g_strcmp0(xb_node_get_element(n), "code") == 0) {
		g_string_append(helper->str, "`");
	} else if (g_strcmp0(xb_node_get_element(n), "p") == 0) {
		g_string_append(helper->str, "\n\n");
	}

	/* tail */
	if (xb_node_get_tail(n) != NULL)
		g_string_append(helper->str, xb_node_get_tail(n));

	return FALSE;
}

static void
xb_markup_func(void)
{
	gboolean ret;
	g_autofree gchar *new = NULL;
	g_autofree gchar *tmp = NULL;
	g_autoptr(GError) error = NULL;
	g_autoptr(XbNode) n = NULL;
	g_autoptr(XbSilo) silo = NULL;
	XbMarkupHelper helper = {
	    .cnt = 0,
	    .str = g_string_new(NULL),
	};
	const gchar *xml =
	    "<description>"
	    "<p><code>Title</code>:</p>"
	    "<p>There is a <em>slight</em> risk of <strong>death</strong> here<a>!</a></p>"
	    "</description>";

	/* import from XML */
	silo = xb_silo_new_from_xml(xml, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);

	/* ensure we can round-trip */
	tmp = xb_silo_to_string(silo, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);
	g_debug("\n%s", tmp);
	n = xb_silo_get_root(silo);
	g_assert_nonnull(n);
	new = xb_node_export(n, XB_NODE_EXPORT_FLAG_NONE, &error);
	g_assert_no_error(error);
	g_assert_nonnull(new);
	g_assert_cmpstr(xml, ==, new);

	/* ensure we can convert this to another format */
	ret = xb_node_transmogrify(n, xb_markup_head_cb, xb_markup_tail_cb, &helper);
	g_assert_true(ret);
	g_assert_cmpstr(helper.str->str,
			==,
			"`Title`:\n\nThere is a *slight* risk of **death** here!\n\n");
	g_assert_cmpint(helper.cnt, ==, 14);
	g_string_free(helper.str, TRUE);
}

static void
xb_speed_func(void)
{
	XbNode *n;
	gboolean ret;
	guint n_components = 5000;
	g_autofree gchar *tmp_xmlb = g_build_filename(g_get_tmp_dir(), "test.xmlb", NULL);
	g_autofree gchar *xpath1 = NULL;
	g_autoptr(GError) error = NULL;
	g_autoptr(GFile) file = NULL;
	g_autoptr(GPtrArray) results = NULL;
	g_autoptr(GString) xml = g_string_new(NULL);
	g_autoptr(GTimer) timer = g_timer_new();
	g_autoptr(XbSilo) silo = NULL;

#ifdef __s390x__
	/* this is run with qemu and takes too much time */
	g_test_skip("s390 too slow, skipping");
	return;
#endif

	/* create a huge document */
	g_string_append(xml, "<components>");
	for (guint i = 0; i < n_components; i++) {
		g_string_append(xml, "<component type=\"firmware\">");
		g_string_append_printf(xml, "  <id>%06u.firmware</id>", i);
		g_string_append(xml, "  <name>ColorHug2</name>");
		g_string_append(xml, "  <summary>Firmware</summary>");
		g_string_append(xml, "  <description><p>New features!</p></description>");
		g_string_append(xml, "  <provides>");
		g_string_append(xml, "    <firmware type=\"flashed\">2082b5e0</firmware>");
		g_string_append(xml, "  </provides>");
		g_string_append(xml, "  <requires>");
		g_string_append(xml, "    <id compare=\"ge\" version=\"0.8.0\">fwupd</id>");
		g_string_append(xml, "    <firmware compare=\"eq\" version=\"2.0.99\"/>");
		g_string_append(xml, "  </requires>");
		g_string_append(xml, "  <url type=\"homepage\">http://com/</url>");
		g_string_append(xml, "  <metadata_license>CC0-1.0</metadata_license>");
		g_string_append(xml, "  <project_license>GPL-2.0+</project_license>");
		g_string_append(xml, "  <updatecontact>richard</updatecontact>");
		g_string_append(xml, "  <developer_name>Hughski</developer_name>");
		g_string_append(xml, "  <releases>");
		g_string_append(
		    xml,
		    "    <release urgency=\"medium\" version=\"2.0.3\" timestamp=\"1429362707\">");
		g_string_append(
		    xml,
		    "      <description><p>stable:</p><ul><li>Quicker</li></ul></description>");
		g_string_append(xml, "    </release>");
		g_string_append(xml, "  </releases>");
		g_string_append(xml, "</component>");
	}
	g_string_append(xml, "</components>");

	/* import from XML */
	silo = xb_silo_new_from_xml(xml->str, &error);
	g_assert_no_error(error);
	g_assert_nonnull(silo);
	file = g_file_new_for_path(tmp_xmlb);
	ret = xb_silo_save_to_file(silo, file, NULL, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	g_clear_object(&silo);
	g_print("import+save: %.3fms\n", g_timer_elapsed(timer, NULL) * 1000);
	g_timer_reset(timer);

	/* load from file */
	silo = xb_silo_new();
	ret = xb_silo_load_from_file(silo, file, XB_SILO_LOAD_FLAG_NONE, NULL, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	g_print("mmap load: %.3fms\n", g_timer_elapsed(timer, NULL) * 1000);
	g_timer_reset(timer);

	/* query best case */
	n = xb_silo_query_first(silo, "components/component/id[text()='000000.firmware']", &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_print("query[first]: %.3fms\n", g_timer_elapsed(timer, NULL) * 1000);
	g_timer_reset(timer);
	g_clear_object(&n);

	/* query worst case */
	xpath1 =
	    g_strdup_printf("components/component/id[text()='%06u.firmware']", n_components - 1);
	n = xb_silo_query_first(silo, xpath1, &error);
	g_assert_no_error(error);
	g_assert_nonnull(n);
	g_print("query[last]: %.3fms\n", g_timer_elapsed(timer, NULL) * 1000);
	g_timer_reset(timer);
	g_clear_object(&n);

	/* query all components */
	results = xb_silo_query(silo, "components/component", 0, &error);
	g_assert_no_error(error);
	g_assert_nonnull(results);
	g_assert_cmpint(results->len, ==, n_components);
	g_print("query[all]: %.3fms\n", g_timer_elapsed(timer, NULL) * 1000);
	g_timer_reset(timer);

	/* factorial search */
	for (guint i = 0; i < n_components; i += 20) {
		g_autofree gchar *xpath2 = NULL;
		xpath2 = g_strdup_printf(
		    "components/component[@type='firmware']/id[text()='%06u.firmware']",
		    i);
		n = xb_silo_query_first(silo, xpath2, &error);
		g_assert_no_error(error);
		g_assert_nonnull(n);
		g_clear_object(&n);
	}
	g_print("query[x%u]: %.3fms\n", n_components, g_timer_elapsed(timer, NULL) * 1000);
	g_timer_reset(timer);

	/* factorial search, again */
	for (guint i = 0; i < n_components; i += 20) {
		g_autofree gchar *xpath2 = NULL;
		xpath2 = g_strdup_printf(
		    "components/component[@type='firmware']/id[text()='%06u.firmware']",
		    i);
		n = xb_silo_query_first(silo, xpath2, &error);
		g_assert_no_error(error);
		g_assert_nonnull(n);
		g_clear_object(&n);
	}
	g_print("query[x%u]: %.3fms\n", n_components, g_timer_elapsed(timer, NULL) * 1000);
	g_timer_reset(timer);

	/* create an index */
	ret = xb_silo_query_build_index(silo, "components/component/id", NULL, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	ret =
	    xb_silo_query_build_index(silo, "components/component/id[text()='dave']", NULL, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	ret = xb_silo_query_build_index(silo, "components/component/DAVE", NULL, &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	ret = xb_silo_query_build_index(silo, "components/component", "type", &error);
	g_assert_no_error(error);
	g_assert_true(ret);
	g_print("create index: %.3fms\n", g_timer_elapsed(timer, NULL) * 1000);
	g_timer_reset(timer);

	/* index not found */
	n = xb_silo_query_first(silo, "components[text()=$'dave']", &error);
	g_assert_error(error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT);
	g_assert_null(n);
	g_clear_error(&error);

	/* do the search again, this time with an index */
	g_timer_reset(timer);
	for (guint i = 0; i < n_components; i += 20) {
		g_autofree gchar *xpath2 = NULL;
		xpath2 = g_strdup_printf(
		    "components/component[attr($'type')=$'firmware']/id[text()=$'%06u.firmware']",
		    i);
		n = xb_silo_query_first(silo, xpath2, &error);
		g_assert_no_error(error);
		g_assert_nonnull(n);
		g_clear_object(&n);
	}
	g_print("query[x%u]: %.3fms\n", n_components, g_timer_elapsed(timer, NULL) * 1000);
}

int
main(int argc, char **argv)
{
	g_setenv("G_TEST_SRCDIR", SRCDIR, FALSE);

	g_test_init(&argc, &argv, NULL);

	/* only critical and error are fatal */
	g_log_set_fatal_mask(NULL, G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL);
	g_setenv("G_MESSAGES_DEBUG", "all", TRUE);

	setlocale(LC_ALL, "");

	/* tests go here */
	g_test_add_func("/libxmlb/common", xb_common_func);
	g_test_add_func("/libxmlb/common{content-type}", xb_common_content_type_func);
	g_test_add_func("/libxmlb/common{searchv}", xb_common_searchv_func);
	g_test_add_func("/libxmlb/common{union}", xb_common_union_func);
	g_test_add_func("/libxmlb/opcodes", xb_predicate_func);
	g_test_add_func("/libxmlb/opcodes{optimize}", xb_predicate_optimize_func);
	g_test_add_func("/libxmlb/opcodes{kind}", xb_opcodes_kind_func);
	g_test_add_func("/libxmlb/stack", xb_stack_func);
	g_test_add_func("/libxmlb/stack{peek}", xb_stack_peek_func);
	g_test_add_func("/libxmlb/node{data}", xb_node_data_func);
	g_test_add_func("/libxmlb/node{export}", xb_node_export_func);
	g_test_add_func("/libxmlb/node{export-collapse}", xb_node_export_collapse_func);
	g_test_add_func("/libxmlb/builder", xb_builder_func);
	g_test_add_func("/libxmlb/builder{comments}", xb_builder_comments_func);
	g_test_add_func("/libxmlb/builder{cdata}", xb_builder_cdata_func);
	g_test_add_func("/libxmlb/builder{native-lang}", xb_builder_native_lang_func);
	g_test_add_func("/libxmlb/builder{native-lang-nested}", xb_builder_native_lang2_func);
	g_test_add_func("/libxmlb/builder{native-lang-locale}",
			xb_builder_native_lang_no_locales_func);
	g_test_add_func("/libxmlb/builder{empty}", xb_builder_empty_func);
	g_test_add_func("/libxmlb/builder{ensure}", xb_builder_ensure_func);
	g_test_add_func("/libxmlb/builder{ensure-watch-source}",
			xb_builder_ensure_watch_source_func);
	g_test_add_func("/libxmlb/builder{node-vfunc}", xb_builder_node_vfunc_func);
	g_test_add_func("/libxmlb/builder{node-vfunc-remove}", xb_builder_node_vfunc_remove_func);
	g_test_add_func("/libxmlb/builder{node-vfunc-depth}", xb_builder_node_vfunc_depth_func);
	g_test_add_func("/libxmlb/builder{node-vfunc-error}", xb_builder_node_vfunc_error_func);
	g_test_add_func("/libxmlb/builder{node-vfunc-ignore}", xb_builder_node_vfunc_ignore_func);
	g_test_add_func("/libxmlb/builder{ignore-invalid}", xb_builder_ignore_invalid_func);
	g_test_add_func("/libxmlb/builder{custom-mime}", xb_builder_custom_mime_func);
	g_test_add_func("/libxmlb/builder{chained-adapters}", xb_builder_chained_adapters_func);
	g_test_add_func("/libxmlb/builder{source-lzma}", xb_builder_source_lzma_func);
	g_test_add_func("/libxmlb/builder{source-zstd}", xb_builder_source_zstd_func);
	g_test_add_func("/libxmlb/builder-node", xb_builder_node_func);
	g_test_add_func("/libxmlb/builder-node{token-max}", xb_builder_node_token_max_func);
	g_test_add_func("/libxmlb/builder-node{info}", xb_builder_node_info_func);
	g_test_add_func("/libxmlb/builder-node{literal-text}", xb_builder_node_literal_text_func);
	g_test_add_func("/libxmlb/builder-node{source-text}", xb_builder_node_source_text_func);
	g_test_add_func("/libxmlb/markup", xb_markup_func);
	g_test_add_func("/libxmlb/token-search", xb_manual_token_search_func);
	g_test_add_func("/libxmlb/xpath", xb_xpath_func);
	g_test_add_func("/libxmlb/xpath{null-attr}", xb_xpath_null_attr_func);
	g_test_add_func("/libxmlb/xpath{in}", xb_xpath_in_func);
	g_test_add_func("/libxmlb/xpath{in-lower}", xb_xpath_in_lower_func);
	g_test_add_func("/libxmlb/xpath{in-null-needle}", xb_xpath_in_null_needle_func);
	g_test_add_func("/libxmlb/xpath{stem}", xb_xpath_stem_func);
	g_test_add_func("/libxmlb/xpath{or-limit}", xb_xpath_or_limit_func);
	g_test_add_func("/libxmlb/xpath{operator-depth-limit}", xb_xpath_operator_depth_limit_func);
	g_test_add_func("/libxmlb/xpath{section-limit}", xb_xpath_section_limit_func);
	g_test_add_func("/libxmlb/builder{strtab-ntags-limit}", xb_builder_strtab_ntags_limit_func);
	g_test_add_func("/libxmlb/xpath{predicate-limit}", xb_xpath_predicate_limit_func);
	g_test_add_func("/libxmlb/xpath-query", xb_xpath_query_func);
	g_test_add_func("/libxmlb/xpath-query{reverse}", xb_xpath_query_reverse_func);
	g_test_add_func("/libxmlb/xpath-query{force-node-cache}",
			xb_xpath_query_force_node_cache_func);
	g_test_add_func("/libxmlb/xpath{helpers}", xb_xpath_helpers_func);
	g_test_add_func("/libxmlb/xpath{prepared}", xb_xpath_prepared_func);
	g_test_add_func("/libxmlb/xpath{incomplete}", xb_xpath_incomplete_func);
	g_test_add_func("/libxmlb/xpath-parent", xb_xpath_parent_func);
	g_test_add_func("/libxmlb/xpath-glob", xb_xpath_glob_func);
	g_test_add_func("/libxmlb/xpath-node", xb_xpath_node_func);
	g_test_add_func("/libxmlb/xpath-parent-subnode", xb_xpath_parent_subnode_func);
	g_test_add_func("/libxmlb/multiple-roots", xb_builder_multiple_roots_func);
	g_test_add_func("/libxmlb/single-root", xb_builder_single_root_func);
	if (g_test_perf()) {
		g_test_add_func("/libxmlb/threading", xb_threading_func);
		g_test_add_func("/libxmlb/speed", xb_speed_func);
	}
	return g_test_run();
}