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Add comprehensive tests for ExecutionListenerAdapter #5162

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6a09fd6
Add comprehensive tests for ExecutionListenerAdapter
ssam18 Nov 19, 2025
14e2b73
test: refactor ExecutionListenerAdapterTests to use Mockito spy
ssam18 Nov 21, 2025
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99 changes: 70 additions & 29 deletions ...m-tests/src/test/java/org/junit/platform/launcher/core/ExecutionListenerAdapterTests.java
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Original file line number Diff line number Diff line change
Expand Up @@ -10,17 +10,20 @@

package org.junit.platform.launcher.core;

import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.platform.launcher.core.OutputDirectoryCreators.dummyOutputDirectoryCreator;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.verify;

import java.util.Map;

import org.jspecify.annotations.Nullable;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.platform.commons.util.ReflectionUtils;
import org.junit.platform.engine.TestDescriptor;
import org.junit.platform.engine.TestExecutionResult;
import org.junit.platform.engine.UniqueId;
import org.junit.platform.engine.reporting.FileEntry;
import org.junit.platform.engine.reporting.ReportEntry;
import org.junit.platform.engine.support.descriptor.DemoMethodTestDescriptor;
import org.junit.platform.launcher.TestExecutionListener;
Expand All @@ -30,54 +33,92 @@
/**
* @since 1.0
*/
// TODO Test other adapter methods.
class ExecutionListenerAdapterTests {

@Test
void testReportingEntryPublished() {
var testDescriptor = getSampleMethodTestDescriptor();
private TestDescriptor testDescriptor;
private InternalTestPlan testPlan;
private TestExecutionListener testExecutionListener;
private ExecutionListenerAdapter executionListenerAdapter;

@BeforeEach
void setUp() {
testDescriptor = getSampleMethodTestDescriptor();

var discoveryResult = new LauncherDiscoveryResult(
Map.of(mock(), EngineResultInfo.completed(testDescriptor, DiscoveryIssueNotifier.NO_ISSUES)), mock(),
dummyOutputDirectoryCreator());
var testPlan = InternalTestPlan.from(discoveryResult);
var testIdentifier = testPlan.getTestIdentifier(testDescriptor.getUniqueId());
testPlan = InternalTestPlan.from(discoveryResult);

//not yet spyable with mockito? -> https://github.com/mockito/mockito/issues/146
var testExecutionListener = new MockTestExecutionListener();
var executionListenerAdapter = new ExecutionListenerAdapter(testPlan, testExecutionListener);
testExecutionListener = spy(TestExecutionListener.class);
executionListenerAdapter = new ExecutionListenerAdapter(testPlan, testExecutionListener);
}

@Test
void testReportingEntryPublished() {
var testIdentifier = testPlan.getTestIdentifier(testDescriptor.getUniqueId());
var entry = ReportEntry.from("one", "two");

executionListenerAdapter.reportingEntryPublished(testDescriptor, entry);

assertThat(testExecutionListener.entry).isEqualTo(entry);
assertThat(testExecutionListener.testIdentifier).isEqualTo(testIdentifier);
verify(testExecutionListener).reportingEntryPublished(testIdentifier, entry);
}

private TestDescriptor getSampleMethodTestDescriptor() {
var localMethodNamedNothing = ReflectionUtils.findMethod(this.getClass(), "nothing",
new Class<?>[0]).orElseThrow();
return new DemoMethodTestDescriptor(UniqueId.root("method", "unique_id"), localMethodNamedNothing);
@Test
void testDynamicTestRegistered() {
var testIdentifier = testPlan.getTestIdentifier(testDescriptor.getUniqueId());

executionListenerAdapter.dynamicTestRegistered(testDescriptor);

verify(testExecutionListener).dynamicTestRegistered(testIdentifier);
}

//for reflection purposes only
void nothing() {
@Test
void testExecutionStarted() {
var testIdentifier = testPlan.getTestIdentifier(testDescriptor.getUniqueId());

executionListenerAdapter.executionStarted(testDescriptor);

verify(testExecutionListener).executionStarted(testIdentifier);
}

static class MockTestExecutionListener implements TestExecutionListener {
@Test
void testExecutionSkipped() {
var testIdentifier = testPlan.getTestIdentifier(testDescriptor.getUniqueId());
var reason = "Test skipped due to condition";

executionListenerAdapter.executionSkipped(testDescriptor, reason);

verify(testExecutionListener).executionSkipped(testIdentifier, reason);
}

@Test
void testExecutionFinished() {
var testIdentifier = testPlan.getTestIdentifier(testDescriptor.getUniqueId());
var result = mock(TestExecutionResult.class);

executionListenerAdapter.executionFinished(testDescriptor, result);

verify(testExecutionListener).executionFinished(testIdentifier, result);
}

@Nullable
public TestIdentifier testIdentifier;
@Test
void testFileEntryPublished() {
var testIdentifier = testPlan.getTestIdentifier(testDescriptor.getUniqueId());
var fileEntry = mock(FileEntry.class);

@Nullable
public ReportEntry entry;
executionListenerAdapter.fileEntryPublished(testDescriptor, fileEntry);

@Override
public void reportingEntryPublished(TestIdentifier testIdentifier, ReportEntry entry) {
this.testIdentifier = testIdentifier;
this.entry = entry;
}
verify(testExecutionListener).fileEntryPublished(testIdentifier, fileEntry);
}

private TestDescriptor getSampleMethodTestDescriptor() {
var localMethodNamedNothing = ReflectionUtils.findMethod(this.getClass(), "nothing",
new Class<?>[0]).orElseThrow();
return new DemoMethodTestDescriptor(UniqueId.root("method", "unique_id"), localMethodNamedNothing);
}

//for reflection purposes only
void nothing() {
}

}
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