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