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// Copyright 2016 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/conditional_work_item_list.h"
#include <memory>
#include "base/files/file_path.h"
#include "base/files/scoped_temp_dir.h"
#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 ConditionalWorkItemList whose condition is met and then rollback.
TEST(ConditionalWorkItemListTest, ExecutionSuccess) {
std::unique_ptr<StrictMockCondition> condition(new StrictMockCondition);
EXPECT_CALL(*condition, ShouldRun()).WillOnce(Return(true));
std::unique_ptr<WorkItemList> list(
WorkItem::CreateConditionalWorkItemList(condition.release()));
// 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 ConditionalWorkItemList whose condition is met. Fail in the middle.
// Rollback what has been done.
TEST(ConditionalWorkItemListTest, ExecutionFailAndRollback) {
std::unique_ptr<StrictMockCondition> condition(new StrictMockCondition);
EXPECT_CALL(*condition, ShouldRun()).WillOnce(Return(true));
std::unique_ptr<WorkItemList> list(
WorkItem::CreateConditionalWorkItemList(condition.release()));
// 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();
}
// Execute a ConditionalWorkItemList whose condition isn't met.
TEST(ConditionalWorkItemListTest, ConditionFailure) {
std::unique_ptr<StrictMockCondition> condition(new StrictMockCondition);
EXPECT_CALL(*condition, ShouldRun()).WillOnce(Return(false));
std::unique_ptr<WorkItemList> list(
WorkItem::CreateConditionalWorkItemList(condition.release()));
// 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);
// Don't expect any call to the methods of the work items.
// 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();
}
TEST(ConditionalWorkItemListTest, ConditionNot) {
std::unique_ptr<StrictMockCondition> condition_true(new StrictMockCondition);
EXPECT_CALL(*condition_true, ShouldRun()).WillOnce(Return(true));
EXPECT_FALSE(Not(condition_true.release()).ShouldRun());
std::unique_ptr<StrictMockCondition> condition_false(new StrictMockCondition);
EXPECT_CALL(*condition_false, ShouldRun()).WillOnce(Return(false));
EXPECT_TRUE(Not(condition_false.release()).ShouldRun());
}
TEST(ConditionalWorkItemListTest, ConditionRunIfFileExists) {
base::ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
EXPECT_TRUE(ConditionRunIfFileExists(temp_dir.GetPath()).ShouldRun());
EXPECT_FALSE(ConditionRunIfFileExists(
temp_dir.GetPath().Append(FILE_PATH_LITERAL("DoesNotExist")))
.ShouldRun());
}
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