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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/installer/util/work_item_list.h"
#include <memory>
#include "chrome/installer/util/work_item.h"
#include "chrome/installer/util/work_item_mocks.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using testing::InSequence;
using testing::Return;
// Execute a WorkItemList successfully and then rollback.
TEST(WorkItemListTest, ExecutionSuccess) {
std::unique_ptr<WorkItemList> list(WorkItem::CreateWorkItemList());
// Create the mock work items.
std::unique_ptr<StrictMockWorkItem> item1(new StrictMockWorkItem);
std::unique_ptr<StrictMockWorkItem> item2(new StrictMockWorkItem);
std::unique_ptr<StrictMockWorkItem> item3(new StrictMockWorkItem);
{
// Expect all three items to be done in order then undone.
InSequence s;
EXPECT_CALL(*item1, DoImpl()).WillOnce(Return(true));
EXPECT_CALL(*item2, DoImpl()).WillOnce(Return(true));
EXPECT_CALL(*item3, DoImpl()).WillOnce(Return(true));
EXPECT_CALL(*item3, RollbackImpl());
EXPECT_CALL(*item2, RollbackImpl());
EXPECT_CALL(*item1, RollbackImpl());
}
// Add the items to the list.
list->AddWorkItem(item1.release());
list->AddWorkItem(item2.release());
list->AddWorkItem(item3.release());
// Do and rollback the list.
EXPECT_TRUE(list->Do());
list->Rollback();
}
// Execute a WorkItemList. Fail in the middle. Rollback what has been done.
TEST(WorkItemListTest, ExecutionFailAndRollback) {
std::unique_ptr<WorkItemList> list(WorkItem::CreateWorkItemList());
// Create the mock work items.
std::unique_ptr<StrictMockWorkItem> item1(new StrictMockWorkItem);
std::unique_ptr<StrictMockWorkItem> item2(new StrictMockWorkItem);
std::unique_ptr<StrictMockWorkItem> item3(new StrictMockWorkItem);
{
// Expect the two first work items to be done in order then undone.
InSequence s;
EXPECT_CALL(*item1, DoImpl()).WillOnce(Return(true));
EXPECT_CALL(*item2, DoImpl()).WillOnce(Return(false));
EXPECT_CALL(*item2, RollbackImpl());
EXPECT_CALL(*item1, RollbackImpl());
}
// Add the items to the list.
list->AddWorkItem(item1.release());
list->AddWorkItem(item2.release());
list->AddWorkItem(item3.release());
// Do and rollback the list.
EXPECT_FALSE(list->Do());
list->Rollback();
}
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