Daniel Erat | b8cf949 | 2015-07-06 13:18:13 -0600 | [diff] [blame^] | 1 | // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "base/compiler_specific.h" |
| 6 | #include "base/memory/scoped_ptr.h" |
| 7 | #include "base/strings/string_number_conversions.h" |
| 8 | #include "base/strings/utf_string_conversions.h" |
| 9 | #include "base/test/test_reg_util_win.h" |
| 10 | #include "base/time/time.h" |
| 11 | #include "testing/gtest/include/gtest/gtest.h" |
| 12 | |
| 13 | namespace registry_util { |
| 14 | |
| 15 | namespace { |
| 16 | const wchar_t kTestKeyPath[] = L"Software\\Chromium\\Foo\\Baz\\TestKey"; |
| 17 | const wchar_t kTestValueName[] = L"TestValue"; |
| 18 | } // namespace |
| 19 | |
| 20 | class RegistryOverrideManagerTest : public testing::Test { |
| 21 | protected: |
| 22 | RegistryOverrideManagerTest() { |
| 23 | // We assign a fake test key path to our test RegistryOverrideManager |
| 24 | // so we don't interfere with any actual RegistryOverrideManagers running |
| 25 | // on the system. This fake path will be auto-deleted by other |
| 26 | // RegistryOverrideManagers in case we crash. |
| 27 | fake_test_key_root_ = registry_util::GenerateTempKeyPath(); |
| 28 | |
| 29 | // Ensure a clean test environment. |
| 30 | base::win::RegKey key(HKEY_CURRENT_USER); |
| 31 | key.DeleteKey(fake_test_key_root_.c_str()); |
| 32 | key.DeleteKey(kTestKeyPath); |
| 33 | } |
| 34 | |
| 35 | ~RegistryOverrideManagerTest() override { |
| 36 | base::win::RegKey key(HKEY_CURRENT_USER); |
| 37 | key.DeleteKey(fake_test_key_root_.c_str()); |
| 38 | } |
| 39 | |
| 40 | void AssertKeyExists(const base::string16& key_path) { |
| 41 | base::win::RegKey key; |
| 42 | ASSERT_EQ(ERROR_SUCCESS, |
| 43 | key.Open(HKEY_CURRENT_USER, key_path.c_str(), KEY_READ)) |
| 44 | << key_path << " does not exist."; |
| 45 | } |
| 46 | |
| 47 | void AssertKeyAbsent(const base::string16& key_path) { |
| 48 | base::win::RegKey key; |
| 49 | ASSERT_NE(ERROR_SUCCESS, |
| 50 | key.Open(HKEY_CURRENT_USER, key_path.c_str(), KEY_READ)) |
| 51 | << key_path << " exists but it should not."; |
| 52 | } |
| 53 | |
| 54 | void CreateKey(const base::string16& key_path) { |
| 55 | base::win::RegKey key; |
| 56 | EXPECT_EQ(ERROR_SUCCESS, |
| 57 | key.Create(HKEY_CURRENT_USER, key_path.c_str(), KEY_ALL_ACCESS)); |
| 58 | } |
| 59 | |
| 60 | base::string16 FakeOverrideManagerPath(const base::Time& time) { |
| 61 | return fake_test_key_root_ + L"\\" + |
| 62 | base::Int64ToString16(time.ToInternalValue()); |
| 63 | } |
| 64 | |
| 65 | void CreateManager(const base::Time& timestamp) { |
| 66 | manager_.reset(new RegistryOverrideManager(timestamp, fake_test_key_root_)); |
| 67 | manager_->OverrideRegistry(HKEY_CURRENT_USER); |
| 68 | } |
| 69 | |
| 70 | base::string16 fake_test_key_root_; |
| 71 | scoped_ptr<RegistryOverrideManager> manager_; |
| 72 | }; |
| 73 | |
| 74 | TEST_F(RegistryOverrideManagerTest, Basic) { |
| 75 | CreateManager(base::Time::Now()); |
| 76 | |
| 77 | base::win::RegKey create_key; |
| 78 | EXPECT_EQ(ERROR_SUCCESS, |
| 79 | create_key.Create(HKEY_CURRENT_USER, kTestKeyPath, KEY_ALL_ACCESS)); |
| 80 | EXPECT_TRUE(create_key.Valid()); |
| 81 | EXPECT_EQ(ERROR_SUCCESS, create_key.WriteValue(kTestValueName, 42)); |
| 82 | create_key.Close(); |
| 83 | |
| 84 | AssertKeyExists(kTestKeyPath); |
| 85 | |
| 86 | DWORD value; |
| 87 | base::win::RegKey read_key; |
| 88 | EXPECT_EQ(ERROR_SUCCESS, |
| 89 | read_key.Open(HKEY_CURRENT_USER, kTestKeyPath, KEY_READ)); |
| 90 | EXPECT_TRUE(read_key.Valid()); |
| 91 | EXPECT_EQ(ERROR_SUCCESS, read_key.ReadValueDW(kTestValueName, &value)); |
| 92 | EXPECT_EQ(42, value); |
| 93 | read_key.Close(); |
| 94 | |
| 95 | manager_.reset(); |
| 96 | |
| 97 | AssertKeyAbsent(kTestKeyPath); |
| 98 | } |
| 99 | |
| 100 | TEST_F(RegistryOverrideManagerTest, DeleteStaleKeys) { |
| 101 | base::Time::Exploded kTestTimeExploded = {2013, 11, 1, 4, 0, 0, 0, 0}; |
| 102 | base::Time kTestTime = base::Time::FromUTCExploded(kTestTimeExploded); |
| 103 | |
| 104 | base::string16 path_garbage = fake_test_key_root_ + L"\\Blah"; |
| 105 | base::string16 path_very_stale = |
| 106 | FakeOverrideManagerPath(kTestTime - base::TimeDelta::FromDays(100)); |
| 107 | base::string16 path_stale = |
| 108 | FakeOverrideManagerPath(kTestTime - base::TimeDelta::FromDays(5)); |
| 109 | base::string16 path_current = |
| 110 | FakeOverrideManagerPath(kTestTime - base::TimeDelta::FromMinutes(1)); |
| 111 | base::string16 path_future = |
| 112 | FakeOverrideManagerPath(kTestTime + base::TimeDelta::FromMinutes(1)); |
| 113 | |
| 114 | CreateKey(path_garbage); |
| 115 | CreateKey(path_very_stale); |
| 116 | CreateKey(path_stale); |
| 117 | CreateKey(path_current); |
| 118 | CreateKey(path_future); |
| 119 | |
| 120 | CreateManager(kTestTime); |
| 121 | manager_.reset(); |
| 122 | |
| 123 | AssertKeyAbsent(path_garbage); |
| 124 | AssertKeyAbsent(path_very_stale); |
| 125 | AssertKeyAbsent(path_stale); |
| 126 | AssertKeyExists(path_current); |
| 127 | AssertKeyExists(path_future); |
| 128 | } |
| 129 | |
| 130 | } // namespace registry_util |