Paul Duffin | e236301 | 2015-11-30 16:20:41 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2013 Google Inc. |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.google.caliper.runner; |
| 18 | |
| 19 | import static org.junit.Assert.assertEquals; |
| 20 | import static org.junit.Assert.assertTrue; |
| 21 | import static org.junit.Assert.fail; |
| 22 | import static org.mockito.Mockito.when; |
| 23 | |
| 24 | import com.google.caliper.Benchmark; |
| 25 | import com.google.caliper.options.CaliperOptions; |
| 26 | import com.google.caliper.platform.Platform; |
| 27 | import com.google.caliper.platform.SupportedPlatform; |
| 28 | import com.google.caliper.runner.Instrument.Instrumentation; |
| 29 | import com.google.caliper.worker.Worker; |
| 30 | import com.google.common.collect.ImmutableSet; |
| 31 | |
| 32 | import org.junit.Before; |
| 33 | import org.junit.Test; |
| 34 | import org.junit.runner.RunWith; |
| 35 | import org.mockito.Mock; |
| 36 | import org.mockito.runners.MockitoJUnitRunner; |
| 37 | |
| 38 | import java.lang.reflect.Method; |
| 39 | |
| 40 | /** |
| 41 | * Tests {@link ExperimentingRunnerModule}. |
| 42 | */ |
| 43 | @RunWith(MockitoJUnitRunner.class) |
| 44 | public class ExperimentingRunnerModuleTest { |
| 45 | private ExperimentingRunnerModule module = new ExperimentingRunnerModule(); |
| 46 | private Instrument instrumentA = new FakeInstrument(); |
| 47 | private Instrument instrumentB = new FakeInstrument(); |
| 48 | |
| 49 | @Mock CaliperOptions options; |
| 50 | |
| 51 | private Method methodA; |
| 52 | private Method methodB; |
| 53 | private Method methodC; |
| 54 | |
| 55 | @Before public void setUp() throws Exception { |
| 56 | methodA = TestBenchmark.class.getDeclaredMethod("a"); |
| 57 | methodB = TestBenchmark.class.getDeclaredMethod("b"); |
| 58 | methodC = TestBenchmark.class.getDeclaredMethod("c"); |
| 59 | } |
| 60 | |
| 61 | @Test public void provideInstrumentations_noNames() throws Exception { |
| 62 | when(options.benchmarkMethodNames()).thenReturn(ImmutableSet.<String>of()); |
| 63 | assertEquals( |
| 64 | new ImmutableSet.Builder<Instrumentation>() |
| 65 | .add(instrumentA.createInstrumentation(methodA)) |
| 66 | .add(instrumentA.createInstrumentation(methodB)) |
| 67 | .add(instrumentA.createInstrumentation(methodC)) |
| 68 | .add(instrumentB.createInstrumentation(methodA)) |
| 69 | .add(instrumentB.createInstrumentation(methodB)) |
| 70 | .add(instrumentB.createInstrumentation(methodC)) |
| 71 | .build(), |
| 72 | module.provideInstrumentations(options, |
| 73 | BenchmarkClass.forClass(TestBenchmark.class), |
| 74 | ImmutableSet.of(instrumentA, instrumentB))); |
| 75 | } |
| 76 | |
| 77 | @SuppressWarnings("unchecked") |
| 78 | @Test public void provideInstrumentations_withNames() throws Exception { |
| 79 | when(options.benchmarkMethodNames()).thenReturn(ImmutableSet.of("b"), |
| 80 | ImmutableSet.of("a", "c")); |
| 81 | assertEquals( |
| 82 | new ImmutableSet.Builder<Instrumentation>() |
| 83 | .add(instrumentA.createInstrumentation(methodB)) |
| 84 | .add(instrumentB.createInstrumentation(methodB)) |
| 85 | .build(), |
| 86 | module.provideInstrumentations(options, |
| 87 | BenchmarkClass.forClass(TestBenchmark.class), |
| 88 | ImmutableSet.of(instrumentA, instrumentB))); |
| 89 | assertEquals( |
| 90 | new ImmutableSet.Builder<Instrumentation>() |
| 91 | .add(instrumentA.createInstrumentation(methodA)) |
| 92 | .add(instrumentA.createInstrumentation(methodC)) |
| 93 | .add(instrumentB.createInstrumentation(methodA)) |
| 94 | .add(instrumentB.createInstrumentation(methodC)) |
| 95 | .build(), |
| 96 | module.provideInstrumentations(options, |
| 97 | BenchmarkClass.forClass(TestBenchmark.class), |
| 98 | ImmutableSet.of(instrumentA, instrumentB))); |
| 99 | } |
| 100 | |
| 101 | @Test public void provideInstrumentations_withInvalidName() { |
| 102 | when(options.benchmarkMethodNames()).thenReturn( |
| 103 | ImmutableSet.of("a", "c", "bad")); |
| 104 | try { |
| 105 | module.provideInstrumentations(options, |
| 106 | BenchmarkClass.forClass(TestBenchmark.class), |
| 107 | ImmutableSet.of(instrumentA, instrumentB)); |
| 108 | fail("should have thrown for invalid benchmark method name"); |
| 109 | } catch (Exception expected) { |
| 110 | assertTrue(expected.getMessage().contains("[bad]")); |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | static final class TestBenchmark { |
| 115 | @Benchmark void a() {} |
| 116 | @Benchmark void b() {} |
| 117 | @Benchmark void c() {} |
| 118 | } |
| 119 | |
| 120 | @SupportedPlatform(Platform.Type.JVM) |
| 121 | static final class FakeInstrument extends Instrument { |
| 122 | @Override public boolean isBenchmarkMethod(Method method) { |
| 123 | return true; |
| 124 | } |
| 125 | |
| 126 | @Override |
| 127 | public Instrumentation createInstrumentation(Method benchmarkMethod) |
| 128 | throws InvalidBenchmarkException { |
| 129 | return new Instrumentation(benchmarkMethod) { |
| 130 | @Override |
| 131 | public Class<? extends Worker> workerClass() { |
| 132 | throw new UnsupportedOperationException(); |
| 133 | } |
| 134 | |
| 135 | @Override |
| 136 | public void dryRun(Object benchmark) throws InvalidBenchmarkException {} |
| 137 | |
| 138 | @Override |
| 139 | MeasurementCollectingVisitor getMeasurementCollectingVisitor() { |
| 140 | throw new UnsupportedOperationException(); |
| 141 | } |
| 142 | }; |
| 143 | } |
| 144 | |
| 145 | @Override public TrialSchedulingPolicy schedulingPolicy() { |
| 146 | return TrialSchedulingPolicy.SERIAL; |
| 147 | } |
| 148 | } |
| 149 | } |