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
21using namespace llvm;
22using namespace llvm::sys::fs;
23using namespace lldb_private;
24
25namespace {
26struct Matches {
27 FileSpec original;
28 llvm::StringRef remapped;
29 Matches(const char *o, const char *r) : original(o), remapped(r) {}
30 Matches(const char *o, llvm::sys::path::Style style, const char *r)
31 : original(o, style), remapped(r) {}
32};
33
34class FindFileTest : public testing::Test {
35public:
36 void SetUp() override {
37 FileSystem::Initialize();
38 HostInfo::Initialize();
39 }
40 void TearDown() override {
41 HostInfo::Terminate();
42 FileSystem::Terminate();
43 }
44};
45} // namespace
46
47static 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
65TEST_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(path&: FileName, a: Twine(DirName), b: 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(path: "/old", replacement: DirName.str(), notify: false);
80 map.Append(path: R"(C:\foo)", replacement: DirName.str(), notify: 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

source code of lldb/unittests/Target/FindFileTest.cpp