Make Crashpad use the user data dir, rather than always default location

chrome/app/user_data_dir_win_unittest.cc

+// 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/strings/utf_string_conversions.h"
+#include "base/test/test_reg_util_win.h"
+#include "chrome/common/chrome_paths.h"
+#include "chrome/install_static/install_util.h"
+#include "chrome_elf/nt_registry/nt_registry.h"
+#include "components/policy/policy_constants.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+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());
+}
+
+}  // namespace
+
+TEST(UserDataDir, EmptyResultsInDefault) {
+  std::wstring result, invalid;
+
+  install_static::GetUserDataDirectory(L"", &result, &invalid);
+  EXPECT_TRUE(EndsWith(result, L"\\Google\\Chrome\\User Data"));
+  EXPECT_EQ(std::wstring(), invalid);
+}
+
+TEST(UserDataDir, InvalidResultsInDefault) {
+  std::wstring result, invalid;
+
+  install_static::GetUserDataDirectory(L"<>|:", &result, &invalid);
+  EXPECT_TRUE(EndsWith(result, L"\\Google\\Chrome\\User Data"));
+  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;
+  override_manager.OverrideRegistry(HKEY_LOCAL_MACHINE, &temp);
+  ASSERT_TRUE(nt::SetTestingOverride(nt::HKLM, temp));
+
+  base::win::RegKey key(HKEY_LOCAL_MACHINE, policy::kRegistryChromePolicyKey,
+                        KEY_WRITE);
+  LONG rv = key.WriteValue(
+      base::UTF8ToUTF16(policy::key::kUserDataDir).c_str(), L"yyy");
+  ASSERT_EQ(rv, ERROR_SUCCESS);
+
+  install_static::GetUserDataDirectory(L"xxx", &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;
+  override_manager.OverrideRegistry(HKEY_CURRENT_USER, &temp);
+  ASSERT_TRUE(nt::SetTestingOverride(nt::HKCU, temp));
+
+  base::win::RegKey key(HKEY_CURRENT_USER, policy::kRegistryChromePolicyKey,
+                        KEY_WRITE);
+  LONG rv = key.WriteValue(
+      base::UTF8ToUTF16(policy::key::kUserDataDir).c_str(), L"yyy");
+  ASSERT_EQ(rv, ERROR_SUCCESS);
+
+  install_static::GetUserDataDirectory(L"xxx", &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;
+  override_manager.OverrideRegistry(HKEY_LOCAL_MACHINE, &temp);
+  ASSERT_TRUE(nt::SetTestingOverride(nt::HKLM, temp));
+  LONG rv;
+  base::win::RegKey key1(HKEY_LOCAL_MACHINE, policy::kRegistryChromePolicyKey,
+                         KEY_WRITE);
+  rv = key1.WriteValue(base::UTF8ToUTF16(policy::key::kUserDataDir).c_str(),
+                           L"111");
+  ASSERT_EQ(rv, ERROR_SUCCESS);
+
+  override_manager.OverrideRegistry(HKEY_CURRENT_USER, &temp);
+  ASSERT_TRUE(nt::SetTestingOverride(nt::HKCU, temp));
+  base::win::RegKey key2(HKEY_CURRENT_USER, policy::kRegistryChromePolicyKey,
+                         KEY_WRITE);
+  rv = key2.WriteValue(base::UTF8ToUTF16(policy::key::kUserDataDir).c_str(),
+                           L"222");
+  ASSERT_EQ(rv, ERROR_SUCCESS);
+
+  install_static::GetUserDataDirectory(L"xxx", &result, &invalid);
+
+  EXPECT_TRUE(EndsWith(result, L"\\111"));
+  EXPECT_EQ(std::wstring(), invalid);
+}
+
+TEST(UserDataDir, RegistrySettingWithPathExpansion) {
+  std::wstring result, invalid;
+
+  registry_util::RegistryOverrideManager override_manager;
+  base::string16 temp;
+  override_manager.OverrideRegistry(HKEY_CURRENT_USER, &temp);
+  ASSERT_TRUE(nt::SetTestingOverride(nt::HKCU, temp));
+  base::win::RegKey key(HKEY_CURRENT_USER, policy::kRegistryChromePolicyKey,
+                        KEY_WRITE);
+  LONG rv = key.WriteValue(
+      base::UTF8ToUTF16(policy::key::kUserDataDir).c_str(), L"${windows}");
+  ASSERT_EQ(rv, ERROR_SUCCESS);
+
+  install_static::GetUserDataDirectory(L"xxx", &result, &invalid);
+
+  EXPECT_EQ(strlen("X:\\WINDOWS"), result.size());
+  EXPECT_EQ(std::wstring::npos, result.find(L"${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);
+}