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// Copyright (c) 2009 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 <windows.h>
#include "base/base_paths.h"
#include "base/file_util.h"
#include "base/path_service.h"
#include "base/scoped_ptr.h"
#include "base/string_util.h"
#include "base/win/registry.h"
#include "chrome/installer/util/work_item.h"
#include "chrome/installer/util/work_item_list.h"
#include "testing/gtest/include/gtest/gtest.h"
using base::win::RegKey;
namespace {
wchar_t test_root[] = L"ListList";
wchar_t data_str[] = L"data_111";
class WorkItemListTest : public testing::Test {
protected:
virtual void SetUp() {
// Create a temporary key for testing
RegKey key(HKEY_CURRENT_USER, L"", KEY_ALL_ACCESS);
key.DeleteKey(test_root);
ASSERT_FALSE(key.Open(HKEY_CURRENT_USER, test_root, KEY_READ));
ASSERT_TRUE(key.Create(HKEY_CURRENT_USER, test_root, KEY_READ));
// Create a temp directory for test.
ASSERT_TRUE(PathService::Get(base::DIR_TEMP, &test_dir_));
test_dir_ = test_dir_.AppendASCII("WorkItemListTest");
file_util::Delete(test_dir_, true);
ASSERT_FALSE(file_util::PathExists(test_dir_));
file_util::CreateDirectoryW(test_dir_);
ASSERT_TRUE(file_util::PathExists(test_dir_));
}
virtual void TearDown() {
logging::CloseLogFile();
// Clean up test directory
ASSERT_TRUE(file_util::Delete(test_dir_, true));
ASSERT_FALSE(file_util::PathExists(test_dir_));
// Clean up the temporary key
RegKey key(HKEY_CURRENT_USER, L"", KEY_ALL_ACCESS);
ASSERT_TRUE(key.DeleteKey(test_root));
}
FilePath test_dir_;
};
} // namespace
// Execute a WorkItem list successfully and then rollback.
TEST_F(WorkItemListTest, ExecutionSuccess) {
scoped_ptr<WorkItemList> work_item_list(WorkItem::CreateWorkItemList());
scoped_ptr<WorkItem> work_item;
FilePath top_dir_to_create(test_dir_);
top_dir_to_create = top_dir_to_create.AppendASCII("a");
FilePath dir_to_create(top_dir_to_create);
dir_to_create = dir_to_create.AppendASCII("b");
ASSERT_FALSE(file_util::PathExists(dir_to_create));
work_item.reset(reinterpret_cast<WorkItem*>(
WorkItem::CreateCreateDirWorkItem(dir_to_create)));
EXPECT_TRUE(work_item_list->AddWorkItem(work_item.release()));
std::wstring key_to_create(test_root);
file_util::AppendToPath(&key_to_create, L"ExecutionSuccess");
work_item.reset(reinterpret_cast<WorkItem*>(
WorkItem::CreateCreateRegKeyWorkItem(HKEY_CURRENT_USER, key_to_create)));
EXPECT_TRUE(work_item_list->AddWorkItem(work_item.release()));
std::wstring name(L"name");
std::wstring data(data_str);
work_item.reset(reinterpret_cast<WorkItem*>(
WorkItem::CreateSetRegValueWorkItem(HKEY_CURRENT_USER, key_to_create,
name, data, false)));
EXPECT_TRUE(work_item_list->AddWorkItem(work_item.release()));
EXPECT_TRUE(work_item_list->Do());
// Verify all WorkItems have been executed.
RegKey key;
EXPECT_TRUE(key.Open(HKEY_CURRENT_USER, key_to_create.c_str(), KEY_READ));
std::wstring read_out;
EXPECT_TRUE(key.ReadValue(name.c_str(), &read_out));
EXPECT_EQ(0, read_out.compare(data_str));
key.Close();
EXPECT_TRUE(file_util::PathExists(dir_to_create));
work_item_list->Rollback();
// Verify everything is rolled back.
// The value must have been deleted first in roll back otherwise the key
// can not be deleted.
EXPECT_FALSE(key.Open(HKEY_CURRENT_USER, key_to_create.c_str(), KEY_READ));
EXPECT_FALSE(file_util::PathExists(top_dir_to_create));
}
// Execute a WorkItem list. Fail in the middle. Rollback what has been done.
TEST_F(WorkItemListTest, ExecutionFailAndRollback) {
scoped_ptr<WorkItemList> work_item_list(WorkItem::CreateWorkItemList());
scoped_ptr<WorkItem> work_item;
FilePath top_dir_to_create(test_dir_);
top_dir_to_create = top_dir_to_create.AppendASCII("a");
FilePath dir_to_create(top_dir_to_create);
dir_to_create = dir_to_create.AppendASCII("b");
ASSERT_FALSE(file_util::PathExists(dir_to_create));
work_item.reset(reinterpret_cast<WorkItem*>(
WorkItem::CreateCreateDirWorkItem(dir_to_create)));
EXPECT_TRUE(work_item_list->AddWorkItem(work_item.release()));
std::wstring key_to_create(test_root);
file_util::AppendToPath(&key_to_create, L"ExecutionFail");
work_item.reset(reinterpret_cast<WorkItem*>(
WorkItem::CreateCreateRegKeyWorkItem(HKEY_CURRENT_USER, key_to_create)));
EXPECT_TRUE(work_item_list->AddWorkItem(work_item.release()));
std::wstring not_created_key(test_root);
file_util::AppendToPath(¬_created_key, L"NotCreated");
std::wstring name(L"name");
std::wstring data(data_str);
work_item.reset(reinterpret_cast<WorkItem*>(
WorkItem::CreateSetRegValueWorkItem(HKEY_CURRENT_USER, not_created_key,
name, data, false)));
EXPECT_TRUE(work_item_list->AddWorkItem(work_item.release()));
// This one will not be executed because we will fail early.
work_item.reset(reinterpret_cast<WorkItem*>(
WorkItem::CreateCreateRegKeyWorkItem(HKEY_CURRENT_USER,
not_created_key)));
EXPECT_TRUE(work_item_list->AddWorkItem(work_item.release()));
EXPECT_FALSE(work_item_list->Do());
// Verify the first 2 WorkItems have been executed.
RegKey key;
EXPECT_TRUE(key.Open(HKEY_CURRENT_USER, key_to_create.c_str(), KEY_READ));
key.Close();
EXPECT_TRUE(file_util::PathExists(dir_to_create));
// The last one should not be there.
EXPECT_FALSE(key.Open(HKEY_CURRENT_USER, not_created_key.c_str(),
KEY_READ));
work_item_list->Rollback();
// Verify everything is rolled back.
EXPECT_FALSE(key.Open(HKEY_CURRENT_USER, key_to_create.c_str(), KEY_READ));
EXPECT_FALSE(file_util::PathExists(top_dir_to_create));
}
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