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// Copyright 2021 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "fcp/client/simple_task_environment.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include "absl/time/clock.h"
#include "absl/time/time.h"
#include "fcp/client/test_helpers.h"
#include "fcp/testing/testing.h"
namespace fcp {
namespace client {
namespace {
using ::testing::Return;
using ::testing::StrictMock;
TEST(SimpleTaskEnvironmentTest, TestShouldAbort) {
StrictMock<MockSimpleTaskEnvironment> mock_task_env;
EXPECT_CALL(mock_task_env, TrainingConditionsSatisfied())
.WillOnce(Return(false));
bool result = mock_task_env.ShouldAbort(
/*current_time=*/absl::Now(),
/*condition_polling_period=*/absl::ZeroDuration());
EXPECT_TRUE(result);
}
// Assert that with a zero condition_polling_period, no throttling in
// ShouldAbort takes place, by emulating two calls at the same time.
// Both calls should return the mock's value.
TEST(SimpleTaskEnvironmentTest, TestShouldAbortNoThrottling) {
StrictMock<MockSimpleTaskEnvironment> mock_task_env;
absl::Time now = absl::Now();
EXPECT_CALL(mock_task_env, TrainingConditionsSatisfied())
.WillRepeatedly(Return(false));
bool result = mock_task_env.ShouldAbort(
/*current_time=*/now,
/*condition_polling_period=*/absl::ZeroDuration());
EXPECT_TRUE(result);
result = mock_task_env.ShouldAbort(
/*current_time=*/now,
/*condition_polling_period=*/absl::ZeroDuration());
EXPECT_TRUE(result);
}
// Verify ShouldAbort throttling for non-zero polling periods.
TEST(SimpleTaskEnvironmentTest, TestShouldAbortThrottling) {
StrictMock<MockSimpleTaskEnvironment> mock_task_env;
EXPECT_CALL(mock_task_env, TrainingConditionsSatisfied())
.WillRepeatedly(Return(false));
absl::Time now = absl::Now();
// First call should be non-throttled (since it assumes last call happened at
// UnixEpoch. Second call after 1s will be throttled because polling period is
// 1.5s; third call (after 2s) will be non-throttled again.
bool result = mock_task_env.ShouldAbort(
/*current_time=*/now,
/*condition_polling_period=*/absl::Milliseconds(1500));
EXPECT_TRUE(result);
result = mock_task_env.ShouldAbort(
/*current_time=*/now + absl::Seconds(1),
/*condition_polling_period=*/absl::Milliseconds(1500));
EXPECT_FALSE(result);
result = mock_task_env.ShouldAbort(
/*current_time=*/now + absl::Seconds(2),
/*condition_polling_period=*/absl::Milliseconds(1500));
EXPECT_TRUE(result);
}
} // anonymous namespace
} // namespace client
} // namespace fcp
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