| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| package org.apache.beam.sdk.io.gcp.datastore; |
| |
| import static org.junit.Assert.assertThrows; |
| import static org.mockito.Mockito.verify; |
| |
| import java.util.Map; |
| import org.apache.beam.sdk.metrics.Counter; |
| import org.apache.beam.sdk.transforms.DoFnTester; |
| import org.apache.beam.sdk.transforms.DoFnTester.CloningBehavior; |
| import org.apache.beam.sdk.util.Sleeper; |
| import org.apache.beam.vendor.guava.v26_0_jre.com.google.common.collect.ImmutableMap; |
| import org.joda.time.DateTimeUtils; |
| import org.joda.time.Duration; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| import org.mockito.Mock; |
| import org.mockito.MockitoAnnotations; |
| |
| /** Tests for {@link RampupThrottlingFn}. */ |
| @RunWith(JUnit4.class) |
| public class RampupThrottlingFnTest { |
| |
| @Mock private Counter mockCounter; |
| private final Sleeper mockSleeper = |
| millis -> { |
| verify(mockCounter).inc(millis); |
| throw new RampupDelayException(); |
| }; |
| private DoFnTester<Void, Void> rampupThrottlingFnTester; |
| |
| @Before |
| public void setUp() throws Exception { |
| MockitoAnnotations.openMocks(this); |
| |
| DateTimeUtils.setCurrentMillisFixed(0); |
| RampupThrottlingFn<Void> rampupThrottlingFn = new RampupThrottlingFn<>(1); |
| rampupThrottlingFnTester = DoFnTester.of(rampupThrottlingFn); |
| rampupThrottlingFnTester.setCloningBehavior(CloningBehavior.DO_NOT_CLONE); |
| rampupThrottlingFnTester.startBundle(); |
| rampupThrottlingFn.sleeper = mockSleeper; |
| rampupThrottlingFn.throttlingMsecs = mockCounter; |
| } |
| |
| @Test |
| public void testRampupThrottler() throws Exception { |
| Map<Duration, Integer> rampupSchedule = |
| ImmutableMap.<Duration, Integer>builder() |
| .put(Duration.ZERO, 500) |
| .put(Duration.millis(1), 0) |
| .put(Duration.standardSeconds(1), 500) |
| .put(Duration.standardSeconds(1).plus(Duration.millis(1)), 0) |
| .put(Duration.standardMinutes(5), 500) |
| .put(Duration.standardMinutes(10), 750) |
| .put(Duration.standardMinutes(15), 1125) |
| .put(Duration.standardMinutes(30), 3796) |
| .put(Duration.standardMinutes(60), 43248) |
| .build(); |
| |
| for (Map.Entry<Duration, Integer> entry : rampupSchedule.entrySet()) { |
| DateTimeUtils.setCurrentMillisFixed(entry.getKey().getMillis()); |
| for (int i = 0; i < entry.getValue(); i++) { |
| rampupThrottlingFnTester.processElement(null); |
| } |
| assertThrows(RampupDelayException.class, () -> rampupThrottlingFnTester.processElement(null)); |
| } |
| } |
| |
| static class RampupDelayException extends InterruptedException {} |
| } |