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user_data_dir_win_unittest.cc
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user_data_dir_win_unittest.cc
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// Copyright 2016 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 <algorithm>
#include "base/test/test_reg_util_win.h"
#include "chrome/install_static/install_details.h"
#include "chrome/install_static/user_data_dir.h"
#include "chrome_elf/nt_registry/nt_registry.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace install_static {
namespace {
inline bool EndsWith(const std::wstring& value, const std::wstring& ending) {
if (ending.size() > value.size())
return false;
return std::equal(ending.rbegin(), ending.rend(), value.rbegin());
}
#if defined(GOOGLE_CHROME_BUILD)
const wchar_t kPolicyRegistryKey[] = L"SOFTWARE\\Policies\\Google\\Chrome";
const wchar_t kUserDataDirNameSuffix[] = L"\\Google\\Chrome\\User Data";
#else
const wchar_t kPolicyRegistryKey[] = L"SOFTWARE\\Policies\\Chromium";
const wchar_t kUserDataDirNameSuffix[] = L"\\Chromium\\User Data";
#endif
const wchar_t kUserDataDirRegistryKey[] = L"UserDataDir";
const InstallConstants kFakeInstallConstants = {
sizeof(InstallConstants), 0, "", L"", L"", L"", L""};
class ScopedNTRegistryTestingOverride {
public:
ScopedNTRegistryTestingOverride(nt::ROOT_KEY root, const std::wstring& path)
: root_(root) {
EXPECT_TRUE(nt::SetTestingOverride(root_, path));
}
~ScopedNTRegistryTestingOverride() {
nt::SetTestingOverride(root_, base::string16());
}
private:
nt::ROOT_KEY root_;
};
TEST(UserDataDir, EmptyResultsInDefault) {
std::wstring result, invalid;
install_static::GetUserDataDirectoryImpl(L"", kFakeInstallConstants, &result,
&invalid);
EXPECT_TRUE(EndsWith(result, kUserDataDirNameSuffix));
EXPECT_EQ(std::wstring(), invalid);
}
TEST(UserDataDir, InvalidResultsInDefault) {
std::wstring result, invalid;
install_static::GetUserDataDirectoryImpl(L"<>|:", kFakeInstallConstants,
&result, &invalid);
EXPECT_TRUE(EndsWith(result, kUserDataDirNameSuffix));
EXPECT_EQ(L"<>|:", invalid);
}
TEST(UserDataDir, RegistrySettingsInHKLMOverrides) {
std::wstring result, invalid;
// Override the registry to say one value in HKLM, and confirm it takes
// precedence over the command line in both implementations.
registry_util::RegistryOverrideManager override_manager;
base::string16 temp;
ASSERT_NO_FATAL_FAILURE(
override_manager.OverrideRegistry(HKEY_LOCAL_MACHINE, &temp));
ScopedNTRegistryTestingOverride nt_override(nt::HKLM, temp);
base::win::RegKey key(HKEY_LOCAL_MACHINE, kPolicyRegistryKey, KEY_WRITE);
LONG rv = key.WriteValue(kUserDataDirRegistryKey, L"yyy");
ASSERT_EQ(rv, ERROR_SUCCESS);
install_static::GetUserDataDirectoryImpl(L"xxx", kFakeInstallConstants,
&result, &invalid);
EXPECT_TRUE(EndsWith(result, L"\\yyy"));
EXPECT_EQ(std::wstring(), invalid);
}
TEST(UserDataDir, RegistrySettingsInHKCUOverrides) {
std::wstring result, invalid;
// Override the registry to say one value in HKCU, and confirm it takes
// precedence over the command line in both implementations.
registry_util::RegistryOverrideManager override_manager;
base::string16 temp;
ASSERT_NO_FATAL_FAILURE(
override_manager.OverrideRegistry(HKEY_CURRENT_USER, &temp));
ScopedNTRegistryTestingOverride nt_override(nt::HKCU, temp);
base::win::RegKey key(HKEY_CURRENT_USER, kPolicyRegistryKey, KEY_WRITE);
LONG rv = key.WriteValue(kUserDataDirRegistryKey, L"yyy");
ASSERT_EQ(rv, ERROR_SUCCESS);
install_static::GetUserDataDirectoryImpl(L"xxx", kFakeInstallConstants,
&result, &invalid);
EXPECT_TRUE(EndsWith(result, L"\\yyy"));
EXPECT_EQ(std::wstring(), invalid);
}
TEST(UserDataDir, RegistrySettingsInHKLMTakesPrecedenceOverHKCU) {
std::wstring result, invalid;
// Override the registry in both HKLM and HKCU, and confirm HKLM takes
// precedence.
registry_util::RegistryOverrideManager override_manager;
base::string16 temp;
ASSERT_NO_FATAL_FAILURE(
override_manager.OverrideRegistry(HKEY_LOCAL_MACHINE, &temp));
ScopedNTRegistryTestingOverride nt_override(nt::HKLM, temp);
LONG rv;
base::win::RegKey key1(HKEY_LOCAL_MACHINE, kPolicyRegistryKey, KEY_WRITE);
rv = key1.WriteValue(kUserDataDirRegistryKey, L"111");
ASSERT_EQ(rv, ERROR_SUCCESS);
ASSERT_NO_FATAL_FAILURE(
override_manager.OverrideRegistry(HKEY_CURRENT_USER, &temp));
ScopedNTRegistryTestingOverride nt_override2(nt::HKCU, temp);
base::win::RegKey key2(HKEY_CURRENT_USER, kPolicyRegistryKey, KEY_WRITE);
rv = key2.WriteValue(kUserDataDirRegistryKey, L"222");
ASSERT_EQ(rv, ERROR_SUCCESS);
install_static::GetUserDataDirectoryImpl(L"xxx", kFakeInstallConstants,
&result, &invalid);
EXPECT_TRUE(EndsWith(result, L"\\111"));
EXPECT_EQ(std::wstring(), invalid);
}
TEST(UserDataDir, RegistrySettingWithPathExpansionHKCU) {
std::wstring result, invalid;
registry_util::RegistryOverrideManager override_manager;
base::string16 temp;
ASSERT_NO_FATAL_FAILURE(
override_manager.OverrideRegistry(HKEY_CURRENT_USER, &temp));
ScopedNTRegistryTestingOverride nt_override(nt::HKCU, temp);
base::win::RegKey key(HKEY_CURRENT_USER, kPolicyRegistryKey, KEY_WRITE);
LONG rv = key.WriteValue(kUserDataDirRegistryKey, L"${windows}");
ASSERT_EQ(rv, ERROR_SUCCESS);
install_static::GetUserDataDirectoryImpl(L"xxx", kFakeInstallConstants,
&result, &invalid);
EXPECT_EQ(strlen("X:\\WINDOWS"), result.size());
EXPECT_EQ(std::wstring::npos, result.find(L"${windows}"));
std::wstring upper;
std::transform(result.begin(), result.end(), std::back_inserter(upper),
toupper);
EXPECT_TRUE(EndsWith(upper, L"\\WINDOWS"));
EXPECT_EQ(std::wstring(), invalid);
}
} // namespace
} // namespace install_static