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Expand Experiment to deal with async suppliers and Optionals.

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This commit is contained in:
Jon Chambers
2020-07-10 17:51:11 -04:00
committed by Jon Chambers
parent 3d3790fdbc
commit 639898ec07
2 changed files with 108 additions and 56 deletions
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123
service/src/test/java/org/whispersystems/textsecuregcm/experiment/ExperimentTest.java
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@@ -1,21 +1,32 @@
package org.whispersystems.textsecuregcm.experiment;
import io.micrometer.core.instrument.Counter;
import junitparams.JUnitParamsRunner;
import junitparams.Parameters;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.util.List;
import java.util.Optional;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.RejectedExecutionException;
import java.util.concurrent.TimeUnit;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.reset;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
@RunWith(JUnitParamsRunner.class)
public class ExperimentTest {
private Counter matchCounter;
private Counter errorCounter;
private Counter bothPresentMismatchCounter;
private Counter controlNullMismatchCounter;
private Counter experimentNullMismatchCounter;
private Experiment experiment;
@@ -23,37 +34,16 @@ public class ExperimentTest {
public void setUp() {
matchCounter = mock(Counter.class);
errorCounter = mock(Counter.class);
bothPresentMismatchCounter = mock(Counter.class);
controlNullMismatchCounter = mock(Counter.class);
experimentNullMismatchCounter = mock(Counter.class);
experiment = new Experiment("test", matchCounter, errorCounter, bothPresentMismatchCounter, controlNullMismatchCounter, experimentNullMismatchCounter);
experiment = new Experiment("test", matchCounter, errorCounter, mock(Counter.class), mock(Counter.class), mock(Counter.class));
}
@Test
public void compareFutureResultMatch() {
public void compareFutureResult() {
experiment.compareFutureResult(12, CompletableFuture.completedFuture(12));
verify(matchCounter).increment();
}
@Test
public void compareFutureResultMismatchBothPresent() {
experiment.compareFutureResult(12, CompletableFuture.completedFuture(77));
verify(bothPresentMismatchCounter).increment();
}
@Test
public void compareFutureResultMismatchControlNull() {
experiment.compareFutureResult(null, CompletableFuture.completedFuture(77));
verify(controlNullMismatchCounter).increment();
}
@Test
public void compareFutureResultMismatchExperimentNull() {
experiment.compareFutureResult(12, CompletableFuture.completedFuture(null));
verify(experimentNullMismatchCounter).increment();
}
@Test
public void compareFutureResultError() {
experiment.compareFutureResult(12, CompletableFuture.failedFuture(new RuntimeException("OH NO")));
@@ -66,27 +56,72 @@ public class ExperimentTest {
verify(matchCounter).increment();
}
@Test
public void compareSupplierResultMismatchBothPresent() {
experiment.compareSupplierResult(12, () -> 77);
verify(bothPresentMismatchCounter).increment();
}
@Test
public void compareSupplierResultMismatchControlNull() {
experiment.compareSupplierResult(null, () -> 77);
verify(controlNullMismatchCounter).increment();
}
@Test
public void compareSupplierResultMismatchExperimentNull() {
experiment.compareSupplierResult(12, () -> null);
verify(experimentNullMismatchCounter).increment();
}
@Test
public void compareSupplierResultError() {
experiment.compareSupplierResult(12, () -> { throw new RuntimeException("OH NO"); });
verify(errorCounter).increment();
}
@Test
public void compareSupplierResultAsyncMatch() throws InterruptedException {
final ExecutorService experimentExecutor = Executors.newSingleThreadExecutor();
experiment.compareSupplierResultAsync(12, () -> 12, experimentExecutor);
experimentExecutor.shutdown();
experimentExecutor.awaitTermination(1, TimeUnit.SECONDS);
verify(matchCounter).increment();
}
@Test
public void compareSupplierResultAsyncError() throws InterruptedException {
final ExecutorService experimentExecutor = Executors.newSingleThreadExecutor();
experiment.compareSupplierResultAsync(12, () -> { throw new RuntimeException("OH NO"); }, experimentExecutor);
experimentExecutor.shutdown();
experimentExecutor.awaitTermination(1, TimeUnit.SECONDS);
verify(errorCounter).increment();
}
@Test
public void compareSupplierResultAsyncRejection() {
final ExecutorService executorService = mock(ExecutorService.class);
doThrow(new RejectedExecutionException()).when(executorService).execute(any(Runnable.class));
experiment.compareSupplierResultAsync(12, () -> 12, executorService);
verify(errorCounter).increment();
}
@Test
@Parameters(method = "argumentsForTestRecordResult")
public void testRecordResult(final Object expected, final Object actual, final Experiment experiment, final Counter expectedCounter) {
reset(expectedCounter);
experiment.recordResult(expected, actual);
verify(expectedCounter).increment();
}
@SuppressWarnings("unused")
private Object argumentsForTestRecordResult() {
// Hack: parameters are set before the @Before method gets called
final Counter matchCounter = mock(Counter.class);
final Counter errorCounter = mock(Counter.class);
final Counter bothPresentMismatchCounter = mock(Counter.class);
final Counter controlNullMismatchCounter = mock(Counter.class);
final Counter experimentNullMismatchCounter = mock(Counter.class);
final Experiment experiment = new Experiment("test", matchCounter, errorCounter, bothPresentMismatchCounter, controlNullMismatchCounter, experimentNullMismatchCounter);
return new Object[] {
new Object[] { 12, 12, experiment, matchCounter },
new Object[] { null, 12, experiment, controlNullMismatchCounter },
new Object[] { 12, null, experiment, experimentNullMismatchCounter },
new Object[] { 12, 17, experiment, bothPresentMismatchCounter },
new Object[] { Optional.of(12), Optional.of(12), experiment, matchCounter },
new Object[] { Optional.empty(), Optional.of(12), experiment, controlNullMismatchCounter },
new Object[] { Optional.of(12), Optional.empty(), experiment, experimentNullMismatchCounter },
new Object[] { Optional.of(12), Optional.of(17), experiment, bothPresentMismatchCounter }
};
}
}