1 //===-- FindFileTest.cpp -------------------------------------------------===//
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 "TestingSupport/TestUtilities.h"
10 #include "lldb/Host/FileSystem.h"
11 #include "lldb/Host/HostInfo.h"
12 #include "lldb/Target/PathMappingList.h"
13 #include "lldb/Utility/FileSpec.h"
14 #include "llvm/ADT/ArrayRef.h"
15 #include "llvm/Support/FileSystem.h"
16 #include "llvm/Support/FileUtilities.h"
17 #include "gtest/gtest.h"
18 #include <optional>
19 #include <utility>
20
21 using namespace llvm;
22 using namespace llvm::sys::fs;
23 using namespace lldb_private;
24
25 namespace {
26 struct Matches {
27 FileSpec original;
28 llvm::StringRef remapped;
Matches__anon869473990111::Matches29 Matches(const char *o, const char *r) : original(o), remapped(r) {}
Matches__anon869473990111::Matches30 Matches(const char *o, llvm::sys::path::Style style, const char *r)
31 : original(o, style), remapped(r) {}
32 };
33
34 class FindFileTest : public testing::Test {
35 public:
SetUp()36 void SetUp() override {
37 FileSystem::Initialize();
38 HostInfo::Initialize();
39 }
TearDown()40 void TearDown() override {
41 HostInfo::Terminate();
42 FileSystem::Terminate();
43 }
44 };
45 } // namespace
46
TestFileFindings(const PathMappingList & map,llvm::ArrayRef<Matches> matches,llvm::ArrayRef<FileSpec> fails)47 static void TestFileFindings(const PathMappingList &map,
48 llvm::ArrayRef<Matches> matches,
49 llvm::ArrayRef<FileSpec> fails) {
50 for (const auto &fail : fails) {
51 SCOPED_TRACE(fail.GetPath().c_str());
52 EXPECT_FALSE(map.FindFile(fail));
53 }
54
55 for (const auto &match : matches) {
56 SCOPED_TRACE(match.original.GetPath() + " -> " + match.remapped);
57 std::optional<FileSpec> remapped;
58
59 EXPECT_TRUE(bool(remapped = map.FindFile(match.original)));
60 EXPECT_TRUE(FileSpec(*remapped).GetPath() ==
61 ConstString(match.remapped).GetStringRef());
62 }
63 }
64
TEST_F(FindFileTest,FindFileTests)65 TEST_F(FindFileTest, FindFileTests) {
66 const auto *Info = testing::UnitTest::GetInstance()->current_test_info();
67 llvm::SmallString<128> DirName, FileName;
68 int fd;
69
70 ASSERT_NO_ERROR(createUniqueDirectory(Info->name(), DirName));
71
72 sys::path::append(FileName, Twine(DirName), Twine("test"));
73 ASSERT_NO_ERROR(openFile(FileName, fd, CD_CreateAlways, FA_Read, OF_None));
74
75 llvm::FileRemover dir_remover(DirName);
76 llvm::FileRemover file_remover(FileName);
77 PathMappingList map;
78
79 map.Append("/old", DirName.str(), false);
80 map.Append(R"(C:\foo)", DirName.str(), false);
81
82 Matches matches[] = {
83 {"/old", llvm::sys::path::Style::posix, DirName.c_str()},
84 {"/old/test", llvm::sys::path::Style::posix, FileName.c_str()},
85 {R"(C:\foo)", llvm::sys::path::Style::windows, DirName.c_str()},
86 {R"(C:\foo\test)", llvm::sys::path::Style::windows, FileName.c_str()}};
87
88 std::vector<FileSpec> fails{
89 // path not mapped
90 FileSpec("/foo", llvm::sys::path::Style::posix),
91 FileSpec("/new", llvm::sys::path::Style::posix),
92 FileSpec(R"(C:\new)", llvm::sys::path::Style::windows),
93 // path mapped, but file not exist
94 FileSpec("/old/test1", llvm::sys::path::Style::posix),
95 FileSpec(R"(C:\foo\test2)", llvm::sys::path::Style::windows)};
96
97 TestFileFindings(map, matches, fails);
98 }
99