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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/basictypes.h"
#include "base/file_util.h"
#include "base/file_path.h"
#include "base/scoped_temp_dir.h"
#if defined(OS_WIN)
#include "base/win/windows_version.h"
#endif
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/gtest/include/gtest/gtest-spi.h"
#include "testing/platform_test.h"
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);
#if defined(OS_POSIX)
// If chromium has never been started on this account, the cache path may not
// exist.
if (dir_type == base::DIR_CACHE)
return result && !path.value().empty();
#endif
return result && !path.value().empty() && file_util::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 = base::DIR_CURRENT; key < base::PATH_END; ++key) {
#if defined(OS_ANDROID)
if (key == base::FILE_MODULE)
continue; // Android doesn't implement FILE_MODULE;
#endif
EXPECT_PRED1(ReturnsValidPath, key);
}
#if defined(OS_WIN)
for (int key = base::PATH_WIN_START + 1; key < base::PATH_WIN_END; ++key) {
bool valid = true;
switch(key) {
case base::DIR_LOCAL_APP_DATA_LOW:
// DIR_LOCAL_APP_DATA_LOW is not supported prior Vista and is expected
// to fail.
valid = base::win::GetVersion() >= base::win::VERSION_VISTA;
break;
case base::DIR_APP_SHORTCUTS:
// DIR_APP_SHORTCUTS is not supported prior Windows 8 and is expected to
// fail.
valid = base::win::GetVersion() >= base::win::VERSION_WIN8;
break;
}
if (valid)
EXPECT_TRUE(ReturnsValidPath(key)) << key;
else
EXPECT_TRUE(ReturnsInvalidPath(key)) << key;
}
#elif defined(OS_MACOSX)
for (int key = base::PATH_MAC_START + 1; key < base::PATH_MAC_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.path().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(file_util::PathExists(fake_cache_dir));
FilePath fake_cache_dir2(temp_dir.path().AppendASCII("cache2"));
// PathService::OverrideAndCreateIfNeeded should obey the |create| parameter.
PathService::OverrideAndCreateIfNeeded(my_special_key,
fake_cache_dir2,
false);
EXPECT_FALSE(file_util::PathExists(fake_cache_dir2));
EXPECT_TRUE(PathService::OverrideAndCreateIfNeeded(my_special_key,
fake_cache_dir2,
true));
EXPECT_TRUE(file_util::PathExists(fake_cache_dir2));
}
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