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// Copyright (c) 2012 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 "base/path_service.h"
#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 "build/build_config.h"
#include "testing/gtest/include/gtest/gtest-spi.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/platform_test.h"
#if defined(OS_WIN)
#include "base/win/windows_version.h"
#endif
namespace base {
namespace {
// Returns true if PathService::Get returns true and sets the path parameter
// to non-empty for the given PathService::DirType enumeration value.
bool ReturnsValidPath(int dir_type) {
FilePath path;
bool result = PathService::Get(dir_type, &path);
// Some paths might not exist on some platforms in which case confirming
// |result| is true and !path.empty() is the best we can do.
bool check_path_exists = true;
#if defined(OS_POSIX)
// If chromium has never been started on this account, the cache path may not
// exist.
if (dir_type == DIR_CACHE)
check_path_exists = false;
#endif
#if defined(OS_LINUX)
// On the linux try-bots: a path is returned (e.g. /home/chrome-bot/Desktop),
// but it doesn't exist.
if (dir_type == DIR_USER_DESKTOP)
check_path_exists = false;
#endif
#if defined(OS_IOS)
// Bundled unittests on iOS may not have Resources directory in the bundle.
if (dir_type == DIR_ASSETS)
check_path_exists = false;
#endif
#if defined(OS_MACOSX)
if (dir_type != DIR_EXE && dir_type != DIR_MODULE && dir_type != FILE_EXE &&
dir_type != FILE_MODULE) {
if (path.ReferencesParent())
return false;
}
#else
if (path.ReferencesParent())
return false;
#endif
return result && !path.empty() && (!check_path_exists || PathExists(path));
}
#if defined(OS_WIN)
// Function to test any directory keys that are not supported on some versions
// of Windows. Checks that the function fails and that the returned path is
// empty.
bool ReturnsInvalidPath(int dir_type) {
FilePath path;
bool result = PathService::Get(dir_type, &path);
return !result && path.empty();
}
#endif
} // namespace
// On the Mac this winds up using some autoreleased objects, so we need to
// be a PlatformTest.
typedef PlatformTest PathServiceTest;
// Test that all PathService::Get calls return a value and a true result
// in the development environment. (This test was created because a few
// later changes to Get broke the semantics of the function and yielded the
// correct value while returning false.)
TEST_F(PathServiceTest, Get) {
for (int key = PATH_START + 1; key < PATH_END; ++key) {
#if defined(OS_ANDROID)
if (key == FILE_MODULE || key == DIR_USER_DESKTOP ||
key == DIR_HOME)
continue; // Android doesn't implement these.
#elif defined(OS_IOS)
if (key == DIR_USER_DESKTOP)
continue; // iOS doesn't implement DIR_USER_DESKTOP.
#elif defined(OS_FUCHSIA)
if (key == DIR_USER_DESKTOP || key == FILE_MODULE || key == DIR_MODULE)
continue; // Fuchsia doesn't implement DIR_USER_DESKTOP, FILE_MODULE and
// DIR_MODULE.
#endif
EXPECT_PRED1(ReturnsValidPath, key);
}
#if defined(OS_WIN)
for (int key = PATH_WIN_START + 1; key < PATH_WIN_END; ++key) {
bool valid = true;
if (key == DIR_APP_SHORTCUTS)
valid = base::win::GetVersion() >= base::win::VERSION_WIN8;
if (valid)
EXPECT_TRUE(ReturnsValidPath(key)) << key;
else
EXPECT_TRUE(ReturnsInvalidPath(key)) << key;
}
#elif defined(OS_MACOSX)
for (int key = PATH_MAC_START + 1; key < PATH_MAC_END; ++key) {
EXPECT_PRED1(ReturnsValidPath, key);
}
#elif defined(OS_ANDROID)
for (int key = PATH_ANDROID_START + 1; key < PATH_ANDROID_END;
++key) {
EXPECT_PRED1(ReturnsValidPath, key);
}
#elif defined(OS_POSIX)
for (int key = PATH_POSIX_START + 1; key < PATH_POSIX_END;
++key) {
EXPECT_PRED1(ReturnsValidPath, key);
}
#endif
}
// Test that all versions of the Override function of PathService do what they
// are supposed to do.
TEST_F(PathServiceTest, Override) {
int my_special_key = 666;
ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
FilePath fake_cache_dir(temp_dir.GetPath().AppendASCII("cache"));
// PathService::Override should always create the path provided if it doesn't
// exist.
EXPECT_TRUE(PathService::Override(my_special_key, fake_cache_dir));
EXPECT_TRUE(PathExists(fake_cache_dir));
FilePath fake_cache_dir2(temp_dir.GetPath().AppendASCII("cache2"));
// PathService::OverrideAndCreateIfNeeded should obey the |create| parameter.
PathService::OverrideAndCreateIfNeeded(my_special_key,
fake_cache_dir2,
false,
false);
EXPECT_FALSE(PathExists(fake_cache_dir2));
EXPECT_TRUE(PathService::OverrideAndCreateIfNeeded(my_special_key,
fake_cache_dir2,
false,
true));
EXPECT_TRUE(PathExists(fake_cache_dir2));
#if defined(OS_POSIX)
FilePath non_existent(
MakeAbsoluteFilePath(temp_dir.GetPath()).AppendASCII("non_existent"));
EXPECT_TRUE(non_existent.IsAbsolute());
EXPECT_FALSE(PathExists(non_existent));
#if !defined(OS_ANDROID)
// This fails because MakeAbsoluteFilePath fails for non-existent files.
// Earlier versions of Bionic libc don't fail for non-existent files, so
// skip this check on Android.
EXPECT_FALSE(PathService::OverrideAndCreateIfNeeded(my_special_key,
non_existent,
false,
false));
#endif
// This works because indicating that |non_existent| is absolute skips the
// internal MakeAbsoluteFilePath call.
EXPECT_TRUE(PathService::OverrideAndCreateIfNeeded(my_special_key,
non_existent,
true,
false));
// Check that the path has been overridden and no directory was created.
EXPECT_FALSE(PathExists(non_existent));
FilePath path;
EXPECT_TRUE(PathService::Get(my_special_key, &path));
EXPECT_EQ(non_existent, path);
#endif
}
// Check if multiple overrides can co-exist.
TEST_F(PathServiceTest, OverrideMultiple) {
int my_special_key = 666;
ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
FilePath fake_cache_dir1(temp_dir.GetPath().AppendASCII("1"));
EXPECT_TRUE(PathService::Override(my_special_key, fake_cache_dir1));
EXPECT_TRUE(PathExists(fake_cache_dir1));
ASSERT_EQ(1, WriteFile(fake_cache_dir1.AppendASCII("t1"), ".", 1));
FilePath fake_cache_dir2(temp_dir.GetPath().AppendASCII("2"));
EXPECT_TRUE(PathService::Override(my_special_key + 1, fake_cache_dir2));
EXPECT_TRUE(PathExists(fake_cache_dir2));
ASSERT_EQ(1, WriteFile(fake_cache_dir2.AppendASCII("t2"), ".", 1));
FilePath result;
EXPECT_TRUE(PathService::Get(my_special_key, &result));
// Override might have changed the path representation but our test file
// should be still there.
EXPECT_TRUE(PathExists(result.AppendASCII("t1")));
EXPECT_TRUE(PathService::Get(my_special_key + 1, &result));
EXPECT_TRUE(PathExists(result.AppendASCII("t2")));
}
TEST_F(PathServiceTest, RemoveOverride) {
// Before we start the test we have to call RemoveOverride at least once to
// clear any overrides that might have been left from other tests.
PathService::RemoveOverride(DIR_TEMP);
FilePath original_user_data_dir;
EXPECT_TRUE(PathService::Get(DIR_TEMP, &original_user_data_dir));
EXPECT_FALSE(PathService::RemoveOverride(DIR_TEMP));
ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
EXPECT_TRUE(PathService::Override(DIR_TEMP, temp_dir.GetPath()));
FilePath new_user_data_dir;
EXPECT_TRUE(PathService::Get(DIR_TEMP, &new_user_data_dir));
EXPECT_NE(original_user_data_dir, new_user_data_dir);
EXPECT_TRUE(PathService::RemoveOverride(DIR_TEMP));
EXPECT_TRUE(PathService::Get(DIR_TEMP, &new_user_data_dir));
EXPECT_EQ(original_user_data_dir, new_user_data_dir);
}
#if defined(OS_WIN)
TEST_F(PathServiceTest, GetProgramFiles) {
FilePath programfiles_dir;
#if defined(_WIN64)
// 64-bit on 64-bit.
EXPECT_TRUE(PathService::Get(DIR_PROGRAM_FILES,
&programfiles_dir));
EXPECT_EQ(programfiles_dir.value(),
FILE_PATH_LITERAL("C:\\Program Files"));
EXPECT_TRUE(PathService::Get(DIR_PROGRAM_FILESX86,
&programfiles_dir));
EXPECT_EQ(programfiles_dir.value(),
FILE_PATH_LITERAL("C:\\Program Files (x86)"));
EXPECT_TRUE(PathService::Get(DIR_PROGRAM_FILES6432,
&programfiles_dir));
EXPECT_EQ(programfiles_dir.value(),
FILE_PATH_LITERAL("C:\\Program Files"));
#else
if (base::win::OSInfo::GetInstance()->wow64_status() ==
base::win::OSInfo::WOW64_ENABLED) {
// 32-bit on 64-bit.
EXPECT_TRUE(PathService::Get(DIR_PROGRAM_FILES,
&programfiles_dir));
EXPECT_EQ(programfiles_dir.value(),
FILE_PATH_LITERAL("C:\\Program Files (x86)"));
EXPECT_TRUE(PathService::Get(DIR_PROGRAM_FILESX86,
&programfiles_dir));
EXPECT_EQ(programfiles_dir.value(),
FILE_PATH_LITERAL("C:\\Program Files (x86)"));
EXPECT_TRUE(PathService::Get(DIR_PROGRAM_FILES6432,
&programfiles_dir));
EXPECT_EQ(programfiles_dir.value(),
FILE_PATH_LITERAL("C:\\Program Files"));
} else {
// 32-bit on 32-bit.
EXPECT_TRUE(PathService::Get(DIR_PROGRAM_FILES,
&programfiles_dir));
EXPECT_EQ(programfiles_dir.value(),
FILE_PATH_LITERAL("C:\\Program Files"));
EXPECT_TRUE(PathService::Get(DIR_PROGRAM_FILESX86,
&programfiles_dir));
EXPECT_EQ(programfiles_dir.value(),
FILE_PATH_LITERAL("C:\\Program Files"));
EXPECT_TRUE(PathService::Get(DIR_PROGRAM_FILES6432,
&programfiles_dir));
EXPECT_EQ(programfiles_dir.value(),
FILE_PATH_LITERAL("C:\\Program Files"));
}
#endif
}
#endif
} // namespace base