| // 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 "base/task_scheduler/delayed_task_manager.h" |
| |
| #include <memory> |
| #include <utility> |
| |
| #include "base/bind.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/sequenced_task_runner.h" |
| #include "base/single_thread_task_runner.h" |
| #include "base/task_runner.h" |
| #include "base/task_scheduler/scheduler_worker_pool.h" |
| #include "base/task_scheduler/sequence.h" |
| #include "base/task_scheduler/task.h" |
| #include "base/test/test_mock_time_task_runner.h" |
| #include "base/time/time.h" |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace base { |
| namespace internal { |
| namespace { |
| |
| constexpr TimeDelta kLongDelay = TimeDelta::FromHours(1); |
| |
| class MockSchedulerWorkerPool : public SchedulerWorkerPool { |
| public: |
| // SchedulerWorkerPool: |
| scoped_refptr<TaskRunner> CreateTaskRunnerWithTraits( |
| const TaskTraits& traits) override { |
| ADD_FAILURE() << "Call to unimplemented method."; |
| return nullptr; |
| } |
| |
| scoped_refptr<SequencedTaskRunner> CreateSequencedTaskRunnerWithTraits( |
| const TaskTraits& traits) override { |
| ADD_FAILURE() << "Call to unimplemented method."; |
| return nullptr; |
| } |
| |
| scoped_refptr<SingleThreadTaskRunner> CreateSingleThreadTaskRunnerWithTraits( |
| const TaskTraits& traits) override { |
| ADD_FAILURE() << "Call to unimplemented method."; |
| return nullptr; |
| } |
| |
| void ReEnqueueSequence(scoped_refptr<Sequence> sequence, |
| const SequenceSortKey& sequence_sort_key) override { |
| ADD_FAILURE() << "Call to unimplemented method."; |
| } |
| |
| bool PostTaskWithSequence(std::unique_ptr<Task> task, |
| scoped_refptr<Sequence> sequence, |
| SchedulerWorker* worker) override { |
| ADD_FAILURE() << "Call to unimplemented method."; |
| return true; |
| } |
| |
| void PostTaskWithSequenceNow(std::unique_ptr<Task> task, |
| scoped_refptr<Sequence> sequence, |
| SchedulerWorker* worker) override { |
| PostTaskWithSequenceNowMock(task.get(), sequence.get(), worker); |
| } |
| |
| MOCK_METHOD3(PostTaskWithSequenceNowMock, |
| void(const Task*, |
| const Sequence*, |
| const SchedulerWorker* worker)); |
| }; |
| |
| } // namespace |
| |
| // Verify that a delayed task isn't forwarded to its SchedulerWorkerPool before |
| // it is ripe for execution. |
| TEST(TaskSchedulerDelayedTaskManagerTest, DelayedTaskDoesNotRunTooEarly) { |
| scoped_refptr<TestMockTimeTaskRunner> service_thread_task_runner( |
| new TestMockTimeTaskRunner); |
| DelayedTaskManager manager(service_thread_task_runner); |
| |
| std::unique_ptr<Task> task( |
| new Task(FROM_HERE, Bind(&DoNothing), TaskTraits(), kLongDelay)); |
| scoped_refptr<Sequence> sequence(new Sequence); |
| testing::StrictMock<MockSchedulerWorkerPool> worker_pool; |
| |
| // Send |task| to the DelayedTaskManager. |
| manager.AddDelayedTask(std::move(task), sequence, nullptr, &worker_pool); |
| |
| // Run tasks that are ripe for execution. Don't expect any call to the mock |
| // method of |worker_pool|. |
| service_thread_task_runner->RunUntilIdle(); |
| } |
| |
| // Verify that a delayed task is forwarded to its SchedulerWorkerPool when it is |
| // ripe for execution. |
| TEST(TaskSchedulerDelayedTaskManagerTest, DelayedTaskRunsAfterDelay) { |
| scoped_refptr<TestMockTimeTaskRunner> service_thread_task_runner( |
| new TestMockTimeTaskRunner); |
| DelayedTaskManager manager(service_thread_task_runner); |
| |
| std::unique_ptr<Task> task( |
| new Task(FROM_HERE, Bind(&DoNothing), TaskTraits(), kLongDelay)); |
| const Task* task_raw = task.get(); |
| scoped_refptr<Sequence> sequence(new Sequence); |
| testing::StrictMock<MockSchedulerWorkerPool> worker_pool; |
| |
| // Send |task| to the DelayedTaskManager. |
| manager.AddDelayedTask(std::move(task), sequence, nullptr, &worker_pool); |
| |
| // Fast-forward time. Expect a call to the mock method of |worker_pool|. |
| EXPECT_CALL(worker_pool, |
| PostTaskWithSequenceNowMock(task_raw, sequence.get(), nullptr)); |
| service_thread_task_runner->FastForwardBy(kLongDelay); |
| } |
| |
| // Verify that multiple delayed task are forwarded to their SchedulerWorkerPool |
| // when they are ripe for execution. |
| TEST(TaskSchedulerDelayedTaskManagerTest, DelayedTasksRunAfterDelay) { |
| scoped_refptr<TestMockTimeTaskRunner> service_thread_task_runner( |
| new TestMockTimeTaskRunner); |
| DelayedTaskManager manager(service_thread_task_runner); |
| |
| scoped_refptr<Sequence> sequence(new Sequence); |
| testing::StrictMock<MockSchedulerWorkerPool> worker_pool; |
| |
| std::unique_ptr<Task> task_a(new Task(FROM_HERE, Bind(&DoNothing), |
| TaskTraits(), TimeDelta::FromHours(1))); |
| const Task* task_a_raw = task_a.get(); |
| |
| std::unique_ptr<Task> task_b(new Task(FROM_HERE, Bind(&DoNothing), |
| TaskTraits(), TimeDelta::FromHours(2))); |
| const Task* task_b_raw = task_b.get(); |
| |
| std::unique_ptr<Task> task_c(new Task(FROM_HERE, Bind(&DoNothing), |
| TaskTraits(), TimeDelta::FromHours(1))); |
| const Task* task_c_raw = task_c.get(); |
| |
| // Send tasks to the DelayedTaskManager. |
| manager.AddDelayedTask(std::move(task_a), sequence, nullptr, &worker_pool); |
| manager.AddDelayedTask(std::move(task_b), sequence, nullptr, &worker_pool); |
| manager.AddDelayedTask(std::move(task_c), sequence, nullptr, &worker_pool); |
| |
| // Run tasks that are ripe for execution on the service thread. Don't expect |
| // any call to the mock method of |worker_pool|. |
| service_thread_task_runner->RunUntilIdle(); |
| |
| // Fast-forward time. Expect |task_a_raw| and |task_c_raw| to be forwarded to |
| // the worker pool. |
| EXPECT_CALL(worker_pool, |
| PostTaskWithSequenceNowMock(task_a_raw, sequence.get(), nullptr)); |
| EXPECT_CALL(worker_pool, |
| PostTaskWithSequenceNowMock(task_c_raw, sequence.get(), nullptr)); |
| service_thread_task_runner->FastForwardBy(TimeDelta::FromHours(1)); |
| testing::Mock::VerifyAndClear(&worker_pool); |
| |
| // Fast-forward time. Expect |task_b_raw| to be forwarded to the worker pool. |
| EXPECT_CALL(worker_pool, |
| PostTaskWithSequenceNowMock(task_b_raw, sequence.get(), nullptr)); |
| service_thread_task_runner->FastForwardBy(TimeDelta::FromHours(1)); |
| testing::Mock::VerifyAndClear(&worker_pool); |
| } |
| |
| } // namespace internal |
| } // namespace base |