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python3-pathspec
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v0.9.0
pathspec/tests/test_gitwildmatch.py
547 строк
15 KB
Sebastiaan Zeeff
Address #44: raise informative exception for invalid git patterns
09 июл 2021, 17:51
09 июл 2021, 17:51
ed4481f
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# encoding: utf-8 """ This script tests ``GitWildMatchPattern``. """ from __future__ import unicode_literals import re import sys import unittest import pathspec.patterns.gitwildmatch import pathspec.util from pathspec.patterns.gitwildmatch import GitWildMatchPattern, GitWildMatchPatternError if sys.version_info[0] >= 3: unichr = chr class GitWildMatchTest(unittest.TestCase): """ The ``GitWildMatchTest`` class tests the ``GitWildMatchPattern`` implementation. """ def test_00_empty(self): """ Tests an empty pattern. """ regex, include = GitWildMatchPattern.pattern_to_regex('') self.assertIsNone(include) self.assertIsNone(regex) def test_01_absolute(self): """ Tests an absolute path pattern. This should match: an/absolute/file/path an/absolute/file/path/foo This should NOT match: foo/an/absolute/file/path """ regex, include = GitWildMatchPattern.pattern_to_regex('/an/absolute/file/path') self.assertTrue(include) self.assertEqual(regex, '^an/absolute/file/path(?:/.*)?$') pattern = GitWildMatchPattern(re.compile(regex), include) results = set(pattern.match([ 'an/absolute/file/path', 'an/absolute/file/path/foo', 'foo/an/absolute/file/path', ])) self.assertEqual(results, { 'an/absolute/file/path', 'an/absolute/file/path/foo', }) def test_01_absolute_root(self): """ Tests a single root absolute path pattern. This should NOT match any file (according to git check-ignore (v2.4.1)). """ regex, include = GitWildMatchPattern.pattern_to_regex('/') self.assertIsNone(include) self.assertIsNone(regex) def test_01_relative(self): """ Tests a relative path pattern. This should match: spam spam/ foo/spam spam/foo foo/spam/bar """ regex, include = GitWildMatchPattern.pattern_to_regex('spam') self.assertTrue(include) self.assertEqual(regex, '^(?:.+/)?spam(?:/.*)?$') pattern = GitWildMatchPattern(re.compile(regex), include) results = set(pattern.match([ 'spam', 'spam/', 'foo/spam', 'spam/foo', 'foo/spam/bar', ])) self.assertEqual(results, { 'spam', 'spam/', 'foo/spam', 'spam/foo', 'foo/spam/bar', }) def test_01_relative_nested(self): """ Tests a relative nested path pattern. This should match: foo/spam foo/spam/bar This should **not** match (according to git check-ignore (v2.4.1)): bar/foo/spam """ regex, include = GitWildMatchPattern.pattern_to_regex('foo/spam') self.assertTrue(include) self.assertEqual(regex, '^foo/spam(?:/.*)?$') pattern = GitWildMatchPattern(re.compile(regex), include) results = set(pattern.match([ 'foo/spam', 'foo/spam/bar', 'bar/foo/spam', ])) self.assertEqual(results, { 'foo/spam', 'foo/spam/bar', }) def test_02_comment(self): """ Tests a comment pattern. """ regex, include = GitWildMatchPattern.pattern_to_regex('# Cork soakers.') self.assertIsNone(include) self.assertIsNone(regex) def test_02_ignore(self): """ Tests an exclude pattern. This should NOT match (according to git check-ignore (v2.4.1)): temp/foo """ regex, include = GitWildMatchPattern.pattern_to_regex('!temp') self.assertIsNotNone(include) self.assertFalse(include) self.assertEqual(regex, '^(?:.+/)?temp$') pattern = GitWildMatchPattern(re.compile(regex), include) results = set(pattern.match(['temp/foo'])) self.assertEqual(results, set()) def test_03_child_double_asterisk(self): """ Tests a directory name with a double-asterisk child directory. This should match: spam/bar This should **not** match (according to git check-ignore (v2.4.1)): foo/spam/bar """ regex, include = GitWildMatchPattern.pattern_to_regex('spam/**') self.assertTrue(include) self.assertEqual(regex, '^spam/.*$') pattern = GitWildMatchPattern(re.compile(regex), include) results = set(pattern.match([ 'spam/bar', 'foo/spam/bar', ])) self.assertEqual(results, {'spam/bar'}) def test_03_inner_double_asterisk(self): """ Tests a path with an inner double-asterisk directory. This should match: left/right left/bar/right left/foo/bar/right left/bar/right/foo This should **not** match (according to git check-ignore (v2.4.1)): foo/left/bar/right """ regex, include = GitWildMatchPattern.pattern_to_regex('left/**/right') self.assertTrue(include) self.assertEqual(regex, '^left(?:/.+)?/right(?:/.*)?$') pattern = GitWildMatchPattern(re.compile(regex), include) results = set(pattern.match([ 'left/right', 'left/bar/right', 'left/foo/bar/right', 'left/bar/right/foo', 'foo/left/bar/right', ])) self.assertEqual(results, { 'left/right', 'left/bar/right', 'left/foo/bar/right', 'left/bar/right/foo', }) def test_03_only_double_asterisk(self): """ Tests a double-asterisk pattern which matches everything. """ regex, include = GitWildMatchPattern.pattern_to_regex('**') self.assertTrue(include) self.assertEqual(regex, '^.+$') def test_03_parent_double_asterisk(self): """ Tests a file name with a double-asterisk parent directory. This should match: spam foo/spam foo/spam/bar """ regex, include = GitWildMatchPattern.pattern_to_regex('**/spam') self.assertTrue(include) self.assertEqual(regex, '^(?:.+/)?spam(?:/.*)?$') pattern = GitWildMatchPattern(re.compile(regex), include) results = set(pattern.match([ 'spam', 'foo/spam', 'foo/spam/bar', ])) self.assertEqual(results, { 'spam', 'foo/spam', 'foo/spam/bar', }) def test_03_duplicate_leading_double_asterisk_edge_case(self): """ Regression test for duplicate leading **/ bug. """ regex, include = GitWildMatchPattern.pattern_to_regex('**') self.assertTrue(include) self.assertEqual(regex, '^.+$') equivalent_regex, include = GitWildMatchPattern.pattern_to_regex('**/**') self.assertTrue(include) self.assertEqual(equivalent_regex, regex) equivalent_regex, include = GitWildMatchPattern.pattern_to_regex('**/**/**') self.assertTrue(include) self.assertEqual(equivalent_regex, regex) regex, include = GitWildMatchPattern.pattern_to_regex('**/api') self.assertTrue(include) self.assertEqual(regex, '^(?:.+/)?api(?:/.*)?$') equivalent_regex, include = GitWildMatchPattern.pattern_to_regex('**/**/api') self.assertTrue(include) self.assertEqual(equivalent_regex, regex) regex, include = GitWildMatchPattern.pattern_to_regex('**/api/') self.assertTrue(include) self.assertEqual(regex, '^(?:.+/)?api/.*$') equivalent_regex, include = GitWildMatchPattern.pattern_to_regex('**/api/**') self.assertTrue(include) self.assertEqual(equivalent_regex, regex) equivalent_regex, include = GitWildMatchPattern.pattern_to_regex('**/**/api/**/**') self.assertTrue(include) self.assertEqual(equivalent_regex, regex) def test_03_double_asterisk_trailing_slash_edge_case(self): """ Tests the edge-case **/ pattern. This should match everything except individual files in the root directory. """ regex, include = GitWildMatchPattern.pattern_to_regex('**/') self.assertTrue(include) self.assertEqual(regex, '^.+/.*$') equivalent_regex, include = GitWildMatchPattern.pattern_to_regex('**/**/') self.assertTrue(include) self.assertEqual(equivalent_regex, regex) def test_04_infix_wildcard(self): """ Tests a pattern with an infix wildcard. This should match: foo--bar foo-hello-bar a/foo-hello-bar foo-hello-bar/b a/foo-hello-bar/b """ regex, include = GitWildMatchPattern.pattern_to_regex('foo-*-bar') self.assertTrue(include) self.assertEqual(regex, '^(?:.+/)?foo\\-[^/]*\\-bar(?:/.*)?$') pattern = GitWildMatchPattern(re.compile(regex), include) results = set(pattern.match([ 'foo--bar', 'foo-hello-bar', 'a/foo-hello-bar', 'foo-hello-bar/b', 'a/foo-hello-bar/b', ])) self.assertEqual(results, { 'foo--bar', 'foo-hello-bar', 'a/foo-hello-bar', 'foo-hello-bar/b', 'a/foo-hello-bar/b', }) def test_04_postfix_wildcard(self): """ Tests a pattern with a postfix wildcard. This should match: ~temp- ~temp-foo ~temp-foo/bar foo/~temp-bar foo/~temp-bar/baz """ regex, include = GitWildMatchPattern.pattern_to_regex('~temp-*') self.assertTrue(include) self.assertEqual(regex, '^(?:.+/)?\\~temp\\-[^/]*(?:/.*)?$') pattern = GitWildMatchPattern(re.compile(regex), include) results = set(pattern.match([ '~temp-', '~temp-foo', '~temp-foo/bar', 'foo/~temp-bar', 'foo/~temp-bar/baz', ])) self.assertEqual(results, { '~temp-', '~temp-foo', '~temp-foo/bar', 'foo/~temp-bar', 'foo/~temp-bar/baz', }) def test_04_prefix_wildcard(self): """ Tests a pattern with a prefix wildcard. This should match: bar.py bar.py/ foo/bar.py foo/bar.py/baz """ regex, include = GitWildMatchPattern.pattern_to_regex('*.py') self.assertTrue(include) self.assertEqual(regex, '^(?:.+/)?[^/]*\\.py(?:/.*)?$') pattern = GitWildMatchPattern(re.compile(regex), include) results = set(pattern.match([ 'bar.py', 'bar.py/', 'foo/bar.py', 'foo/bar.py/baz', ])) self.assertEqual(results, { 'bar.py', 'bar.py/', 'foo/bar.py', 'foo/bar.py/baz', }) def test_05_directory(self): """ Tests a directory pattern. This should match: dir/ foo/dir/ foo/dir/bar This should **not** match: dir """ regex, include = GitWildMatchPattern.pattern_to_regex('dir/') self.assertTrue(include) self.assertEqual(regex, '^(?:.+/)?dir/.*$') pattern = GitWildMatchPattern(re.compile(regex), include) results = set(pattern.match([ 'dir/', 'foo/dir/', 'foo/dir/bar', 'dir', ])) self.assertEqual(results, { 'dir/', 'foo/dir/', 'foo/dir/bar', }) def test_06_registered(self): """ Tests that the pattern is registered. """ self.assertIs(pathspec.util.lookup_pattern('gitwildmatch'), GitWildMatchPattern) def test_06_access_deprecated(self): """ Tests that the pattern is accessible from the root module using the deprecated alias. """ self.assertTrue(hasattr(pathspec, 'GitIgnorePattern')) self.assertTrue(issubclass(pathspec.GitIgnorePattern, GitWildMatchPattern)) def test_06_registered_deprecated(self): """ Tests that the pattern is registered under the deprecated alias. """ self.assertIs(pathspec.util.lookup_pattern('gitignore'), pathspec.GitIgnorePattern) def test_07_encode_bytes(self): """ Test encoding bytes. """ encoded = "".join(map(unichr, range(0,256))).encode(pathspec.patterns.gitwildmatch._BYTES_ENCODING) expected = b"\x00\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x0c\r\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff" self.assertEqual(encoded, expected) def test_07_decode_bytes(self): """ Test decoding bytes. """ decoded = bytes(bytearray(range(0,256))).decode(pathspec.patterns.gitwildmatch._BYTES_ENCODING) expected = "\x00\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x0c\r\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff" self.assertEqual(decoded, expected) def test_07_match_bytes_and_bytes(self): """ Test byte string patterns matching byte string paths. """ pattern = GitWildMatchPattern(b'*.py') results = set(pattern.match([b'a.py'])) self.assertEqual(results, {b'a.py'}) def test_07_match_bytes_and_bytes_complete(self): """ Test byte string patterns matching byte string paths. """ encoded = bytes(bytearray(range(0,256))) escaped = b"".join(b"\\" + encoded[i:i+1] for i in range(len(encoded))) pattern = GitWildMatchPattern(escaped) results = set(pattern.match([encoded])) self.assertEqual(results, {encoded}) @unittest.skipIf(sys.version_info[0] >= 3, "Python 3 is strict") def test_07_match_bytes_and_unicode(self): """ Test byte string patterns matching byte string paths. """ pattern = GitWildMatchPattern(b'*.py') results = set(pattern.match(['a.py'])) self.assertEqual(results, {'a.py'}) @unittest.skipIf(sys.version_info[0] == 2, "Python 2 is lenient") def test_07_match_bytes_and_unicode_fail(self): """ Test byte string patterns matching byte string paths. """ pattern = GitWildMatchPattern(b'*.py') with self.assertRaises(TypeError): for _ in pattern.match(['a.py']): pass @unittest.skipIf(sys.version_info[0] >= 3, "Python 3 is strict") def test_07_match_unicode_and_bytes(self): """ Test unicode patterns with byte paths. """ pattern = GitWildMatchPattern('*.py') results = set(pattern.match([b'a.py'])) self.assertEqual(results, {b'a.py'}) @unittest.skipIf(sys.version_info[0] == 2, "Python 2 is lenient") def test_07_match_unicode_and_bytes_fail(self): """ Test unicode patterns with byte paths. """ pattern = GitWildMatchPattern('*.py') with self.assertRaises(TypeError): for _ in pattern.match([b'a.py']): pass def test_07_match_unicode_and_unicode(self): """ Test unicode patterns with unicode paths. """ pattern = GitWildMatchPattern('*.py') results = set(pattern.match(['a.py'])) self.assertEqual(results, {'a.py'}) def test_08_escape(self): """ Test escaping a string with meta-characters """ fname = "file!with*weird#naming_[1].t?t" escaped = r"file\!with\*weird\#naming_\[1\].t\?t" result = GitWildMatchPattern.escape(fname) self.assertEqual(result, escaped) def test_09_single_escape_fail(self): """ Test an escape on a line by itself. """ self._check_invalid_pattern("\\") def test_09_single_exclamation_mark_fail(self): """ Test an escape on a line by itself. """ self._check_invalid_pattern("!") def _check_invalid_pattern(self, git_ignore_pattern): expected_message_pattern = re.escape(repr(git_ignore_pattern)) with self.assertRaisesRegexp(GitWildMatchPatternError, expected_message_pattern): GitWildMatchPattern(git_ignore_pattern)