llvm-project

1
//===-- TidyProviderTests.cpp - Clang tidy configuration provider tests ---===//
2
//
3
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4
// See https://llvm.org/LICENSE.txt for license information.
5
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6
//
7
//===----------------------------------------------------------------------===//
8

9
#include "Feature.h"
10
#include "TestFS.h"
11
#include "TidyProvider.h"
12
#include "llvm/Testing/Support/SupportHelpers.h"
13
#include "gtest/gtest.h"
14

15
namespace clang {
16
namespace clangd {
17

18
namespace {
19

20
TEST(TidyProvider, NestedDirectories) {
21
  MockFS FS;
22
  FS.Files[testPath(".clang-tidy")] = R"yaml(
23
  Checks: 'llvm-*'
24
  CheckOptions:
25
    TestKey: 1
26
)yaml";
27
  FS.Files[testPath("sub1/.clang-tidy")] = R"yaml(
28
  Checks: 'misc-*'
29
  CheckOptions:
30
    TestKey: 2
31
)yaml";
32
  FS.Files[testPath("sub1/sub2/.clang-tidy")] = R"yaml(
33
  Checks: 'bugprone-*'
34
  CheckOptions:
35
    TestKey: 3
36
  InheritParentConfig: true
37
)yaml";
38

39
  TidyProvider Provider = provideClangTidyFiles(FS);
40

41
  auto BaseOptions = getTidyOptionsForFile(Provider, testPath("File.cpp"));
42
  ASSERT_TRUE(BaseOptions.Checks.has_value());
43
  EXPECT_EQ(*BaseOptions.Checks, "llvm-*");
44
  EXPECT_EQ(BaseOptions.CheckOptions.lookup("TestKey").Value, "1");
45

46
  auto Sub1Options = getTidyOptionsForFile(Provider, testPath("sub1/File.cpp"));
47
  ASSERT_TRUE(Sub1Options.Checks.has_value());
48
  EXPECT_EQ(*Sub1Options.Checks, "misc-*");
49
  EXPECT_EQ(Sub1Options.CheckOptions.lookup("TestKey").Value, "2");
50

51
  auto Sub2Options =
52
      getTidyOptionsForFile(Provider, testPath("sub1/sub2/File.cpp"));
53
  ASSERT_TRUE(Sub2Options.Checks.has_value());
54
  EXPECT_EQ(*Sub2Options.Checks, "misc-*,bugprone-*");
55
  EXPECT_EQ(Sub2Options.CheckOptions.lookup("TestKey").Value, "3");
56
}
57

58
TEST(TidyProvider, IsFastTidyCheck) {
59
  EXPECT_THAT(isFastTidyCheck("misc-const-correctness"), llvm::ValueIs(false));
60
  EXPECT_THAT(isFastTidyCheck("bugprone-suspicious-include"),
61
              llvm::ValueIs(true));
62
  // Linked in (ParsedASTTests.cpp) but not measured.
63
  EXPECT_EQ(isFastTidyCheck("replay-preamble-check"), std::nullopt);
64
}
65

66
#if CLANGD_TIDY_CHECKS
67
TEST(TidyProvider, IsValidCheck) {
68
  EXPECT_TRUE(isRegisteredTidyCheck("bugprone-argument-comment"));
69
  EXPECT_FALSE(isRegisteredTidyCheck("bugprone-argument-clinic"));
70
}
71
#endif
72

73
} // namespace
74
} // namespace clangd
75
} // namespace clang
76