blob: 87e37f80d5ebe0b7a2ac85598614d83a2762d4a2 [file] [log] [blame]
// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "tools/gn/filesystem_utils.h"
#include <thread>
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "tools/gn/target.h"
#include "util/build_config.h"
#include "util/test/test.h"
TEST(FilesystemUtils, FileExtensionOffset) {
EXPECT_EQ(std::string::npos, FindExtensionOffset(""));
EXPECT_EQ(std::string::npos, FindExtensionOffset("foo/bar/baz"));
EXPECT_EQ(4u, FindExtensionOffset("foo."));
EXPECT_EQ(4u, FindExtensionOffset("f.o.bar"));
EXPECT_EQ(std::string::npos, FindExtensionOffset("foo.bar/"));
EXPECT_EQ(std::string::npos, FindExtensionOffset("foo.bar/baz"));
}
TEST(FilesystemUtils, FindExtension) {
std::string input;
EXPECT_EQ("", FindExtension(&input).as_string());
input = "foo/bar/baz";
EXPECT_EQ("", FindExtension(&input).as_string());
input = "foo.";
EXPECT_EQ("", FindExtension(&input).as_string());
input = "f.o.bar";
EXPECT_EQ("bar", FindExtension(&input).as_string());
input = "foo.bar/";
EXPECT_EQ("", FindExtension(&input).as_string());
input = "foo.bar/baz";
EXPECT_EQ("", FindExtension(&input).as_string());
}
TEST(FilesystemUtils, FindFilenameOffset) {
EXPECT_EQ(0u, FindFilenameOffset(""));
EXPECT_EQ(0u, FindFilenameOffset("foo"));
EXPECT_EQ(4u, FindFilenameOffset("foo/"));
EXPECT_EQ(4u, FindFilenameOffset("foo/bar"));
}
TEST(FilesystemUtils, RemoveFilename) {
std::string s;
RemoveFilename(&s);
EXPECT_STREQ("", s.c_str());
s = "foo";
RemoveFilename(&s);
EXPECT_STREQ("", s.c_str());
s = "/";
RemoveFilename(&s);
EXPECT_STREQ("/", s.c_str());
s = "foo/bar";
RemoveFilename(&s);
EXPECT_STREQ("foo/", s.c_str());
s = "foo/bar/baz.cc";
RemoveFilename(&s);
EXPECT_STREQ("foo/bar/", s.c_str());
}
TEST(FilesystemUtils, FindDir) {
std::string input;
EXPECT_EQ("", FindDir(&input));
input = "/";
EXPECT_EQ("/", FindDir(&input));
input = "foo/";
EXPECT_EQ("foo/", FindDir(&input));
input = "foo/bar/baz";
EXPECT_EQ("foo/bar/", FindDir(&input));
}
TEST(FilesystemUtils, FindLastDirComponent) {
SourceDir empty;
EXPECT_EQ("", FindLastDirComponent(empty));
SourceDir root("/");
EXPECT_EQ("", FindLastDirComponent(root));
SourceDir srcroot("//");
EXPECT_EQ("", FindLastDirComponent(srcroot));
SourceDir regular1("//foo/");
EXPECT_EQ("foo", FindLastDirComponent(regular1));
SourceDir regular2("//foo/bar/");
EXPECT_EQ("bar", FindLastDirComponent(regular2));
}
TEST(FilesystemUtils, EnsureStringIsInOutputDir) {
SourceDir output_dir("//out/Debug/");
// Some outside.
Err err;
EXPECT_FALSE(EnsureStringIsInOutputDir(output_dir, "//foo", nullptr, &err));
EXPECT_TRUE(err.has_error());
err = Err();
EXPECT_FALSE(
EnsureStringIsInOutputDir(output_dir, "//out/Debugit", nullptr, &err));
EXPECT_TRUE(err.has_error());
// Some inside.
err = Err();
EXPECT_TRUE(
EnsureStringIsInOutputDir(output_dir, "//out/Debug/", nullptr, &err));
EXPECT_FALSE(err.has_error());
EXPECT_TRUE(
EnsureStringIsInOutputDir(output_dir, "//out/Debug/foo", nullptr, &err));
EXPECT_FALSE(err.has_error());
// Pattern but no template expansions are allowed.
EXPECT_FALSE(EnsureStringIsInOutputDir(output_dir, "{{source_gen_dir}}",
nullptr, &err));
EXPECT_TRUE(err.has_error());
}
TEST(FilesystemUtils, IsPathAbsolute) {
EXPECT_TRUE(IsPathAbsolute("/foo/bar"));
EXPECT_TRUE(IsPathAbsolute("/"));
EXPECT_FALSE(IsPathAbsolute(""));
EXPECT_FALSE(IsPathAbsolute("//"));
EXPECT_FALSE(IsPathAbsolute("//foo/bar"));
#if defined(OS_WIN)
EXPECT_TRUE(IsPathAbsolute("C:/foo"));
EXPECT_TRUE(IsPathAbsolute("C:/"));
EXPECT_TRUE(IsPathAbsolute("C:\\foo"));
EXPECT_TRUE(IsPathAbsolute("C:\\"));
EXPECT_TRUE(IsPathAbsolute("/C:/foo"));
EXPECT_TRUE(IsPathAbsolute("/C:\\foo"));
#endif
}
TEST(FilesystemUtils, MakeAbsolutePathRelativeIfPossible) {
std::string dest;
#if defined(OS_WIN)
EXPECT_TRUE(
MakeAbsolutePathRelativeIfPossible("C:\\base", "C:\\base\\foo", &dest));
EXPECT_EQ("//foo", dest);
EXPECT_TRUE(
MakeAbsolutePathRelativeIfPossible("C:\\base", "/C:/base/foo", &dest));
EXPECT_EQ("//foo", dest);
EXPECT_TRUE(
MakeAbsolutePathRelativeIfPossible("c:\\base", "C:\\base\\foo\\", &dest));
EXPECT_EQ("//foo\\", dest);
EXPECT_FALSE(MakeAbsolutePathRelativeIfPossible("C:\\base", "C:\\ba", &dest));
EXPECT_FALSE(MakeAbsolutePathRelativeIfPossible("C:\\base",
"C:\\/notbase/foo", &dest));
#else
EXPECT_TRUE(MakeAbsolutePathRelativeIfPossible("/base", "/base/foo/", &dest));
EXPECT_EQ("//foo/", dest);
EXPECT_TRUE(MakeAbsolutePathRelativeIfPossible("/base", "/base/foo", &dest));
EXPECT_EQ("//foo", dest);
EXPECT_TRUE(
MakeAbsolutePathRelativeIfPossible("/base/", "/base/foo/", &dest));
EXPECT_EQ("//foo/", dest);
EXPECT_FALSE(MakeAbsolutePathRelativeIfPossible("/base", "/ba", &dest));
EXPECT_FALSE(
MakeAbsolutePathRelativeIfPossible("/base", "/notbase/foo", &dest));
#endif
}
TEST(FilesystemUtils, MakeAbsoluteFilePathRelativeIfPossible) {
#if defined(OS_WIN)
EXPECT_EQ(
base::FilePath(L"out\\Debug"),
MakeAbsoluteFilePathRelativeIfPossible(
base::FilePath(L"C:\\src"), base::FilePath(L"C:\\src\\out\\Debug")));
EXPECT_EQ(base::FilePath(L".\\gn"),
MakeAbsoluteFilePathRelativeIfPossible(
base::FilePath(L"C:\\src\\out\\Debug"),
base::FilePath(L"C:\\src\\out\\Debug\\gn")));
EXPECT_EQ(
base::FilePath(L"..\\.."),
MakeAbsoluteFilePathRelativeIfPossible(
base::FilePath(L"C:\\src\\out\\Debug"), base::FilePath(L"C:\\src")));
EXPECT_EQ(base::FilePath(L"."),
MakeAbsoluteFilePathRelativeIfPossible(base::FilePath(L"C:\\src"),
base::FilePath(L"C:\\src")));
EXPECT_EQ(base::FilePath(L"..\\..\\..\\u\\v\\w"),
MakeAbsoluteFilePathRelativeIfPossible(
base::FilePath(L"C:\\a\\b\\c\\x\\y\\z"),
base::FilePath(L"C:\\a\\b\\c\\u\\v\\w")));
EXPECT_EQ(base::FilePath(L"D:\\bar"),
MakeAbsoluteFilePathRelativeIfPossible(base::FilePath(L"C:\\foo"),
base::FilePath(L"D:\\bar")));
#else
EXPECT_EQ(base::FilePath("out/Debug"),
MakeAbsoluteFilePathRelativeIfPossible(
base::FilePath("/src"), base::FilePath("/src/out/Debug")));
EXPECT_EQ(base::FilePath("./gn"), MakeAbsoluteFilePathRelativeIfPossible(
base::FilePath("/src/out/Debug"),
base::FilePath("/src/out/Debug/gn")));
EXPECT_EQ(base::FilePath("../.."),
MakeAbsoluteFilePathRelativeIfPossible(
base::FilePath("/src/out/Debug"), base::FilePath("/src")));
EXPECT_EQ(base::FilePath("."),
MakeAbsoluteFilePathRelativeIfPossible(base::FilePath("/src"),
base::FilePath("/src")));
EXPECT_EQ(
base::FilePath("../../../u/v/w"),
MakeAbsoluteFilePathRelativeIfPossible(base::FilePath("/a/b/c/x/y/z"),
base::FilePath("/a/b/c/u/v/w")));
#endif
}
TEST(FilesystemUtils, NormalizePath) {
std::string input;
NormalizePath(&input);
EXPECT_EQ("", input);
input = "foo/bar.txt";
NormalizePath(&input);
EXPECT_EQ("foo/bar.txt", input);
input = ".";
NormalizePath(&input);
EXPECT_EQ("", input);
input = "..";
NormalizePath(&input);
EXPECT_EQ("..", input);
input = "foo//bar";
NormalizePath(&input);
EXPECT_EQ("foo/bar", input);
input = "//foo";
NormalizePath(&input);
EXPECT_EQ("//foo", input);
input = "foo/..//bar";
NormalizePath(&input);
EXPECT_EQ("bar", input);
input = "foo/../../bar";
NormalizePath(&input);
EXPECT_EQ("../bar", input);
input = "/../foo"; // Don't go above the root dir.
NormalizePath(&input);
EXPECT_EQ("/foo", input);
input = "//../foo"; // Don't go above the root dir.
NormalizePath(&input);
EXPECT_EQ("//foo", input);
input = "../foo";
NormalizePath(&input);
EXPECT_EQ("../foo", input);
input = "..";
NormalizePath(&input);
EXPECT_EQ("..", input);
input = "./././.";
NormalizePath(&input);
EXPECT_EQ("", input);
input = "../../..";
NormalizePath(&input);
EXPECT_EQ("../../..", input);
input = "../";
NormalizePath(&input);
EXPECT_EQ("../", input);
// Backslash normalization.
input = "foo\\..\\..\\bar";
NormalizePath(&input);
EXPECT_EQ("../bar", input);
// Trailing slashes should get preserved.
input = "//foo/bar/";
NormalizePath(&input);
EXPECT_EQ("//foo/bar/", input);
#if defined(OS_WIN)
// Go above and outside of the source root.
input = "//../foo";
NormalizePath(&input, "/C:/source/root");
EXPECT_EQ("/C:/source/foo", input);
input = "//../foo";
NormalizePath(&input, "C:\\source\\root");
EXPECT_EQ("/C:/source/foo", input);
input = "//../";
NormalizePath(&input, "/C:/source/root");
EXPECT_EQ("/C:/source/", input);
input = "//../foo.txt";
NormalizePath(&input, "/C:/source/root");
EXPECT_EQ("/C:/source/foo.txt", input);
input = "//../foo/bar/";
NormalizePath(&input, "/C:/source/root");
EXPECT_EQ("/C:/source/foo/bar/", input);
// Go above and back into the source root. This should return a system-
// absolute path. We could arguably return this as a source-absolute path,
// but that would require additional handling to account for a rare edge
// case.
input = "//../root/foo";
NormalizePath(&input, "/C:/source/root");
EXPECT_EQ("/C:/source/root/foo", input);
input = "//../root/foo/bar/";
NormalizePath(&input, "/C:/source/root");
EXPECT_EQ("/C:/source/root/foo/bar/", input);
// Stay inside the source root
input = "//foo/bar";
NormalizePath(&input, "/C:/source/root");
EXPECT_EQ("//foo/bar", input);
input = "//foo/bar/";
NormalizePath(&input, "/C:/source/root");
EXPECT_EQ("//foo/bar/", input);
// The path should not go above the system root. Note that on Windows, this
// will consume the drive (C:).
input = "//../../../../../foo/bar";
NormalizePath(&input, "/C:/source/root");
EXPECT_EQ("/foo/bar", input);
// Test when the source root is the letter drive.
input = "//../foo";
NormalizePath(&input, "/C:");
EXPECT_EQ("/foo", input);
input = "//../foo";
NormalizePath(&input, "C:");
EXPECT_EQ("/foo", input);
input = "//../foo";
NormalizePath(&input, "/");
EXPECT_EQ("/foo", input);
input = "//../";
NormalizePath(&input, "\\C:");
EXPECT_EQ("/", input);
input = "//../foo.txt";
NormalizePath(&input, "/C:");
EXPECT_EQ("/foo.txt", input);
#else
// Go above and outside of the source root.
input = "//../foo";
NormalizePath(&input, "/source/root");
EXPECT_EQ("/source/foo", input);
input = "//../";
NormalizePath(&input, "/source/root");
EXPECT_EQ("/source/", input);
input = "//../foo.txt";
NormalizePath(&input, "/source/root");
EXPECT_EQ("/source/foo.txt", input);
input = "//../foo/bar/";
NormalizePath(&input, "/source/root");
EXPECT_EQ("/source/foo/bar/", input);
// Go above and back into the source root. This should return a system-
// absolute path. We could arguably return this as a source-absolute path,
// but that would require additional handling to account for a rare edge
// case.
input = "//../root/foo";
NormalizePath(&input, "/source/root");
EXPECT_EQ("/source/root/foo", input);
input = "//../root/foo/bar/";
NormalizePath(&input, "/source/root");
EXPECT_EQ("/source/root/foo/bar/", input);
// Stay inside the source root
input = "//foo/bar";
NormalizePath(&input, "/source/root");
EXPECT_EQ("//foo/bar", input);
input = "//foo/bar/";
NormalizePath(&input, "/source/root");
EXPECT_EQ("//foo/bar/", input);
// The path should not go above the system root.
input = "//../../../../../foo/bar";
NormalizePath(&input, "/source/root");
EXPECT_EQ("/foo/bar", input);
// Test when the source root is the system root.
input = "//../foo/bar/";
NormalizePath(&input, "/");
EXPECT_EQ("/foo/bar/", input);
input = "//../";
NormalizePath(&input, "/");
EXPECT_EQ("/", input);
input = "//../foo.txt";
NormalizePath(&input, "/");
EXPECT_EQ("/foo.txt", input);
#endif
}
TEST(FilesystemUtils, RebasePath) {
base::StringPiece source_root("/source/root");
// Degenerate case.
EXPECT_EQ(".", RebasePath("//", SourceDir("//"), source_root));
EXPECT_EQ(".",
RebasePath("//foo/bar/", SourceDir("//foo/bar/"), source_root));
// Going up the tree.
EXPECT_EQ("../foo", RebasePath("//foo", SourceDir("//bar/"), source_root));
EXPECT_EQ("../foo/", RebasePath("//foo/", SourceDir("//bar/"), source_root));
EXPECT_EQ("../../foo",
RebasePath("//foo", SourceDir("//bar/moo"), source_root));
EXPECT_EQ("../../foo/",
RebasePath("//foo/", SourceDir("//bar/moo"), source_root));
// Going down the tree.
EXPECT_EQ("foo/bar", RebasePath("//foo/bar", SourceDir("//"), source_root));
EXPECT_EQ("foo/bar/", RebasePath("//foo/bar/", SourceDir("//"), source_root));
// Going up and down the tree.
EXPECT_EQ("../../foo/bar",
RebasePath("//foo/bar", SourceDir("//a/b/"), source_root));
EXPECT_EQ("../../foo/bar/",
RebasePath("//foo/bar/", SourceDir("//a/b/"), source_root));
// Sharing prefix.
EXPECT_EQ("foo", RebasePath("//a/foo", SourceDir("//a/"), source_root));
EXPECT_EQ("foo/", RebasePath("//a/foo/", SourceDir("//a/"), source_root));
EXPECT_EQ("foo", RebasePath("//a/b/foo", SourceDir("//a/b/"), source_root));
EXPECT_EQ("foo/", RebasePath("//a/b/foo/", SourceDir("//a/b/"), source_root));
EXPECT_EQ("foo/bar",
RebasePath("//a/b/foo/bar", SourceDir("//a/b/"), source_root));
EXPECT_EQ("foo/bar/",
RebasePath("//a/b/foo/bar/", SourceDir("//a/b/"), source_root));
// One could argue about this case. Since the input doesn't have a slash it
// would normally not be treated like a directory and we'd go up, which is
// simpler. However, since it matches the output directory's name, we could
// potentially infer that it's the same and return "." for this.
EXPECT_EQ("../bar",
RebasePath("//foo/bar", SourceDir("//foo/bar/"), source_root));
// Check when only |input| is system-absolute
EXPECT_EQ("foo", RebasePath("/source/root/foo", SourceDir("//"),
base::StringPiece("/source/root")));
EXPECT_EQ("foo/", RebasePath("/source/root/foo/", SourceDir("//"),
base::StringPiece("/source/root")));
EXPECT_EQ("../../builddir/Out/Debug",
RebasePath("/builddir/Out/Debug", SourceDir("//"),
base::StringPiece("/source/root")));
EXPECT_EQ("../../../builddir/Out/Debug",
RebasePath("/builddir/Out/Debug", SourceDir("//"),
base::StringPiece("/source/root/foo")));
EXPECT_EQ("../../../builddir/Out/Debug/",
RebasePath("/builddir/Out/Debug/", SourceDir("//"),
base::StringPiece("/source/root/foo")));
EXPECT_EQ("../../path/to/foo", RebasePath("/path/to/foo", SourceDir("//"),
base::StringPiece("/source/root")));
EXPECT_EQ("../../../path/to/foo",
RebasePath("/path/to/foo", SourceDir("//a"),
base::StringPiece("/source/root")));
EXPECT_EQ("../../../../path/to/foo",
RebasePath("/path/to/foo", SourceDir("//a/b"),
base::StringPiece("/source/root")));
// Check when only |dest_dir| is system-absolute.
EXPECT_EQ(".", RebasePath("//", SourceDir("/source/root"),
base::StringPiece("/source/root")));
EXPECT_EQ("foo", RebasePath("//foo", SourceDir("/source/root"),
base::StringPiece("/source/root")));
EXPECT_EQ("../foo", RebasePath("//foo", SourceDir("/source/root/bar"),
base::StringPiece("/source/root")));
EXPECT_EQ("../../../source/root/foo",
RebasePath("//foo", SourceDir("/other/source/root"),
base::StringPiece("/source/root")));
EXPECT_EQ("../../../../source/root/foo",
RebasePath("//foo", SourceDir("/other/source/root/bar"),
base::StringPiece("/source/root")));
// Check when |input| and |dest_dir| are both system-absolute. Also,
// in this case |source_root| is never used so set it to a dummy
// value.
EXPECT_EQ("foo", RebasePath("/source/root/foo", SourceDir("/source/root"),
base::StringPiece("/x/y/z")));
EXPECT_EQ("foo/", RebasePath("/source/root/foo/", SourceDir("/source/root"),
base::StringPiece("/x/y/z")));
EXPECT_EQ("../../builddir/Out/Debug",
RebasePath("/builddir/Out/Debug", SourceDir("/source/root"),
base::StringPiece("/x/y/z")));
EXPECT_EQ("../../../builddir/Out/Debug",
RebasePath("/builddir/Out/Debug", SourceDir("/source/root/foo"),
base::StringPiece("/source/root/foo")));
EXPECT_EQ("../../../builddir/Out/Debug/",
RebasePath("/builddir/Out/Debug/", SourceDir("/source/root/foo"),
base::StringPiece("/source/root/foo")));
EXPECT_EQ("../../path/to/foo",
RebasePath("/path/to/foo", SourceDir("/source/root"),
base::StringPiece("/x/y/z")));
EXPECT_EQ("../../../path/to/foo",
RebasePath("/path/to/foo", SourceDir("/source/root/a"),
base::StringPiece("/x/y/z")));
EXPECT_EQ("../../../../path/to/foo",
RebasePath("/path/to/foo", SourceDir("/source/root/a/b"),
base::StringPiece("/x/y/z")));
#if defined(OS_WIN)
// Test corrections while rebasing Windows-style absolute paths.
EXPECT_EQ("../../../../path/to/foo",
RebasePath("C:/path/to/foo", SourceDir("//a/b"),
base::StringPiece("/C:/source/root")));
EXPECT_EQ("../../../../path/to/foo",
RebasePath("/C:/path/to/foo", SourceDir("//a/b"),
base::StringPiece("C:/source/root")));
EXPECT_EQ("../../../../path/to/foo",
RebasePath("/C:/path/to/foo", SourceDir("//a/b"),
base::StringPiece("/c:/source/root")));
EXPECT_EQ("../../../../path/to/foo",
RebasePath("/c:/path/to/foo", SourceDir("//a/b"),
base::StringPiece("c:/source/root")));
EXPECT_EQ("../../../../path/to/foo",
RebasePath("/c:/path/to/foo", SourceDir("//a/b"),
base::StringPiece("C:/source/root")));
#endif
}
TEST(FilesystemUtils, DirectoryWithNoLastSlash) {
EXPECT_EQ("", DirectoryWithNoLastSlash(SourceDir()));
EXPECT_EQ("/.", DirectoryWithNoLastSlash(SourceDir("/")));
EXPECT_EQ("//.", DirectoryWithNoLastSlash(SourceDir("//")));
EXPECT_EQ("//foo", DirectoryWithNoLastSlash(SourceDir("//foo/")));
EXPECT_EQ("/bar", DirectoryWithNoLastSlash(SourceDir("/bar/")));
}
TEST(FilesystemUtils, SourceDirForPath) {
#if defined(OS_WIN)
base::FilePath root(L"C:\\source\\foo\\");
EXPECT_EQ("/C:/foo/bar/",
SourceDirForPath(root, base::FilePath(L"C:\\foo\\bar")).value());
EXPECT_EQ("/", SourceDirForPath(root, base::FilePath(L"/")).value());
EXPECT_EQ("//",
SourceDirForPath(root, base::FilePath(L"C:\\source\\foo")).value());
EXPECT_EQ("//bar/",
SourceDirForPath(root, base::FilePath(L"C:\\source\\foo\\bar\\"))
.value());
EXPECT_EQ("//bar/baz/",
SourceDirForPath(root, base::FilePath(L"C:\\source\\foo\\bar\\baz"))
.value());
// Should be case-and-slash-insensitive.
EXPECT_EQ(
"//baR/",
SourceDirForPath(root, base::FilePath(L"c:/SOURCE\\Foo/baR/")).value());
// Some "weird" Windows paths.
EXPECT_EQ("/foo/bar/",
SourceDirForPath(root, base::FilePath(L"/foo/bar/")).value());
EXPECT_EQ("/C:/foo/bar/",
SourceDirForPath(root, base::FilePath(L"C:foo/bar/")).value());
// Also allow absolute GN-style Windows paths.
EXPECT_EQ("/C:/foo/bar/",
SourceDirForPath(root, base::FilePath(L"/C:/foo/bar")).value());
EXPECT_EQ(
"//bar/",
SourceDirForPath(root, base::FilePath(L"/C:/source/foo/bar")).value());
// Empty source dir.
base::FilePath empty;
EXPECT_EQ(
"/C:/source/foo/",
SourceDirForPath(empty, base::FilePath(L"C:\\source\\foo")).value());
#else
base::FilePath root("/source/foo/");
EXPECT_EQ("/foo/bar/",
SourceDirForPath(root, base::FilePath("/foo/bar/")).value());
EXPECT_EQ("/", SourceDirForPath(root, base::FilePath("/")).value());
EXPECT_EQ("//",
SourceDirForPath(root, base::FilePath("/source/foo")).value());
EXPECT_EQ("//bar/",
SourceDirForPath(root, base::FilePath("/source/foo/bar/")).value());
EXPECT_EQ(
"//bar/baz/",
SourceDirForPath(root, base::FilePath("/source/foo/bar/baz/")).value());
// Should be case-sensitive.
EXPECT_EQ("/SOURCE/foo/bar/",
SourceDirForPath(root, base::FilePath("/SOURCE/foo/bar/")).value());
// Empty source dir.
base::FilePath empty;
EXPECT_EQ("/source/foo/",
SourceDirForPath(empty, base::FilePath("/source/foo")).value());
#endif
}
TEST(FilesystemUtils, ContentsEqual) {
base::ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
std::string data = "foo";
base::FilePath file_path = temp_dir.GetPath().AppendASCII("foo.txt");
base::WriteFile(file_path, data.c_str(), static_cast<int>(data.size()));
EXPECT_TRUE(ContentsEqual(file_path, data));
// Different length and contents.
data += "bar";
EXPECT_FALSE(ContentsEqual(file_path, data));
// The same length, different contents.
EXPECT_FALSE(ContentsEqual(file_path, "bar"));
}
TEST(FilesystemUtils, WriteFileIfChanged) {
base::ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
std::string data = "foo";
// Write if file doesn't exist. Create also directory.
base::FilePath file_path =
temp_dir.GetPath().AppendASCII("bar").AppendASCII("foo.txt");
EXPECT_TRUE(WriteFileIfChanged(file_path, data, nullptr));
base::File::Info file_info;
ASSERT_TRUE(base::GetFileInfo(file_path, &file_info));
Ticks last_modified = file_info.last_modified;
{
using namespace std::chrono_literals;
#if defined(OS_MACOSX)
// Modification times are in seconds in HFS on Mac.
std::this_thread::sleep_for(1s);
#else
std::this_thread::sleep_for(1ms);
#endif
}
// Don't write if contents is the same.
EXPECT_TRUE(WriteFileIfChanged(file_path, data, nullptr));
ASSERT_TRUE(base::GetFileInfo(file_path, &file_info));
EXPECT_EQ(last_modified, file_info.last_modified);
// Write if contents changed.
EXPECT_TRUE(WriteFileIfChanged(file_path, "bar", nullptr));
std::string file_data;
ASSERT_TRUE(base::ReadFileToString(file_path, &file_data));
EXPECT_EQ("bar", file_data);
}
TEST(FilesystemUtils, GetToolchainDirs) {
BuildSettings build_settings;
build_settings.SetBuildDir(SourceDir("//out/Debug/"));
// The default toolchain.
Settings default_settings(&build_settings, "");
Label default_toolchain_label(SourceDir("//toolchain/"), "default");
default_settings.set_toolchain_label(default_toolchain_label);
default_settings.set_default_toolchain_label(default_toolchain_label);
BuildDirContext default_context(&default_settings);
// Default toolchain out dir as source dirs.
EXPECT_EQ("//out/Debug/", GetBuildDirAsSourceDir(default_context,
BuildDirType::TOOLCHAIN_ROOT)
.value());
EXPECT_EQ("//out/Debug/obj/",
GetBuildDirAsSourceDir(default_context, BuildDirType::OBJ).value());
EXPECT_EQ("//out/Debug/gen/",
GetBuildDirAsSourceDir(default_context, BuildDirType::GEN).value());
// Default toolchain our dir as output files.
EXPECT_EQ(
"", GetBuildDirAsOutputFile(default_context, BuildDirType::TOOLCHAIN_ROOT)
.value());
EXPECT_EQ(
"obj/",
GetBuildDirAsOutputFile(default_context, BuildDirType::OBJ).value());
EXPECT_EQ(
"gen/",
GetBuildDirAsOutputFile(default_context, BuildDirType::GEN).value());
// Check a secondary toolchain.
Settings other_settings(&build_settings, "two/");
Label other_toolchain_label(SourceDir("//toolchain/"), "two");
other_settings.set_toolchain_label(other_toolchain_label);
other_settings.set_default_toolchain_label(default_toolchain_label);
BuildDirContext other_context(&other_settings);
// Secondary toolchain out dir as source dirs.
EXPECT_EQ("//out/Debug/two/",
GetBuildDirAsSourceDir(other_context, BuildDirType::TOOLCHAIN_ROOT)
.value());
EXPECT_EQ("//out/Debug/two/obj/",
GetBuildDirAsSourceDir(other_context, BuildDirType::OBJ).value());
EXPECT_EQ("//out/Debug/two/gen/",
GetBuildDirAsSourceDir(other_context, BuildDirType::GEN).value());
// Secondary toolchain out dir as output files.
EXPECT_EQ("two/",
GetBuildDirAsOutputFile(other_context, BuildDirType::TOOLCHAIN_ROOT)
.value());
EXPECT_EQ("two/obj/",
GetBuildDirAsOutputFile(other_context, BuildDirType::OBJ).value());
EXPECT_EQ("two/gen/",
GetBuildDirAsOutputFile(other_context, BuildDirType::GEN).value());
}
TEST(FilesystemUtils, GetSubBuildDir) {
BuildSettings build_settings;
build_settings.SetBuildDir(SourceDir("//out/Debug/"));
// Test the default toolchain.
Label default_toolchain_label(SourceDir("//toolchain/"), "default");
Settings default_settings(&build_settings, "");
default_settings.set_toolchain_label(default_toolchain_label);
default_settings.set_default_toolchain_label(default_toolchain_label);
BuildDirContext default_context(&default_settings);
// Target in the root.
EXPECT_EQ("//out/Debug/obj/",
GetSubBuildDirAsSourceDir(default_context, SourceDir("//"),
BuildDirType::OBJ)
.value());
EXPECT_EQ("gen/", GetSubBuildDirAsOutputFile(default_context, SourceDir("//"),
BuildDirType::GEN)
.value());
// Target in another directory.
EXPECT_EQ("//out/Debug/obj/foo/bar/",
GetSubBuildDirAsSourceDir(default_context, SourceDir("//foo/bar/"),
BuildDirType::OBJ)
.value());
EXPECT_EQ("gen/foo/bar/",
GetSubBuildDirAsOutputFile(default_context, SourceDir("//foo/bar/"),
BuildDirType::GEN)
.value());
// Secondary toolchain.
Settings other_settings(&build_settings, "two/");
other_settings.set_toolchain_label(Label(SourceDir("//toolchain/"), "two"));
other_settings.set_default_toolchain_label(default_toolchain_label);
BuildDirContext other_context(&other_settings);
// Target in the root.
EXPECT_EQ("//out/Debug/two/obj/",
GetSubBuildDirAsSourceDir(other_context, SourceDir("//"),
BuildDirType::OBJ)
.value());
EXPECT_EQ("two/gen/", GetSubBuildDirAsOutputFile(
other_context, SourceDir("//"), BuildDirType::GEN)
.value());
// Target in another directory.
EXPECT_EQ("//out/Debug/two/obj/foo/bar/",
GetSubBuildDirAsSourceDir(other_context, SourceDir("//foo/bar/"),
BuildDirType::OBJ)
.value());
EXPECT_EQ("two/gen/foo/bar/",
GetSubBuildDirAsOutputFile(other_context, SourceDir("//foo/bar/"),
BuildDirType::GEN)
.value());
// Absolute source path
EXPECT_EQ("//out/Debug/obj/ABS_PATH/abs/",
GetSubBuildDirAsSourceDir(default_context, SourceDir("/abs"),
BuildDirType::OBJ)
.value());
EXPECT_EQ("gen/ABS_PATH/abs/",
GetSubBuildDirAsOutputFile(default_context, SourceDir("/abs"),
BuildDirType::GEN)
.value());
#if defined(OS_WIN)
EXPECT_EQ("//out/Debug/obj/ABS_PATH/C/abs/",
GetSubBuildDirAsSourceDir(default_context, SourceDir("/C:/abs"),
BuildDirType::OBJ)
.value());
EXPECT_EQ("gen/ABS_PATH/C/abs/",
GetSubBuildDirAsOutputFile(default_context, SourceDir("/C:/abs"),
BuildDirType::GEN)
.value());
#endif
}
TEST(FilesystemUtils, GetBuildDirForTarget) {
BuildSettings build_settings;
build_settings.SetBuildDir(SourceDir("//out/Debug/"));
Settings settings(&build_settings, "");
Target a(&settings, Label(SourceDir("//foo/bar/"), "baz"));
EXPECT_EQ("//out/Debug/obj/foo/bar/",
GetBuildDirForTargetAsSourceDir(&a, BuildDirType::OBJ).value());
EXPECT_EQ("obj/foo/bar/",
GetBuildDirForTargetAsOutputFile(&a, BuildDirType::OBJ).value());
EXPECT_EQ("//out/Debug/gen/foo/bar/",
GetBuildDirForTargetAsSourceDir(&a, BuildDirType::GEN).value());
EXPECT_EQ("gen/foo/bar/",
GetBuildDirForTargetAsOutputFile(&a, BuildDirType::GEN).value());
}
// Tests handling of output dirs when build dir is the same as the root.
TEST(FilesystemUtils, GetDirForEmptyBuildDir) {
BuildSettings build_settings;
build_settings.SetBuildDir(SourceDir("//"));
Settings settings(&build_settings, "");
BuildDirContext context(&settings);
EXPECT_EQ(
"//",
GetBuildDirAsSourceDir(context, BuildDirType::TOOLCHAIN_ROOT).value());
EXPECT_EQ("//gen/",
GetBuildDirAsSourceDir(context, BuildDirType::GEN).value());
EXPECT_EQ("//obj/",
GetBuildDirAsSourceDir(context, BuildDirType::OBJ).value());
EXPECT_EQ(
"",
GetBuildDirAsOutputFile(context, BuildDirType::TOOLCHAIN_ROOT).value());
EXPECT_EQ("gen/",
GetBuildDirAsOutputFile(context, BuildDirType::GEN).value());
EXPECT_EQ("obj/",
GetBuildDirAsOutputFile(context, BuildDirType::OBJ).value());
}