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UniqueIdSelectorResolverTests.java
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UniqueIdSelectorResolverTests.java
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/*
* Copyright 2015-2017 the original author or authors.
*
* All rights reserved. This program and the accompanying materials are
* made available under the terms of the Eclipse Public License v2.0 which
* accompanies this distribution and is available at
*
* http://www.eclipse.org/legal/epl-v20.html
*/
package org.junit.vintage.engine.discovery;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.platform.engine.discovery.DiscoverySelectors.selectUniqueId;
import static org.junit.vintage.engine.VintageUniqueIdBuilder.engineId;
import static org.junit.vintage.engine.descriptor.VintageTestDescriptor.ENGINE_ID;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import java.util.Collections;
import java.util.function.Predicate;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.stream.Stream;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.engine.TrackLogRecords;
import org.junit.platform.commons.logging.LogRecordListener;
import org.junit.platform.engine.EngineDiscoveryRequest;
import org.junit.platform.engine.UniqueId;
import org.junit.platform.engine.discovery.UniqueIdSelector;
import org.junit.vintage.engine.VintageUniqueIdBuilder;
/**
* Tests for {@link UniqueIdSelectorResolver}.
*
* @since 4.12
*/
@TrackLogRecords
class UniqueIdSelectorResolverTests {
private static final Predicate<Class<?>> allClassesPredicate = clazz -> true;
private final TestClassCollector collector = new TestClassCollector();
@Test
void logsWarningOnUnloadableTestClass(LogRecordListener listener) {
UniqueId uniqueId = VintageUniqueIdBuilder.uniqueIdForClass("foo.bar.UnknownClass");
EngineDiscoveryRequest request = requestWithSelector(selectUniqueId(uniqueId));
new UniqueIdSelectorResolver().resolve(request, allClassesPredicate, collector);
assertNoRequests();
assertLoggedWarning(listener, "Unresolvable Unique ID (" + uniqueId + "): Unknown class foo.bar.UnknownClass");
}
@Test
void logsWarningForEngineUniqueId(LogRecordListener listener) {
String uniqueId = engineId().toString();
EngineDiscoveryRequest request = requestWithSelector(selectUniqueId(uniqueId));
new UniqueIdSelectorResolver().resolve(request, allClassesPredicate, collector);
assertNoRequests();
assertLoggedWarning(listener,
"Unresolvable Unique ID (" + engineId() + "): Cannot resolve the engine's unique ID");
}
@Test
void ignoresUniqueIdsOfOtherEngines(LogRecordListener listener) {
UniqueId uniqueId = UniqueId.forEngine("someEngine");
EngineDiscoveryRequest request = requestWithSelector(selectUniqueId(uniqueId));
new UniqueIdSelectorResolver().resolve(request, allClassesPredicate, collector);
assertNoRequests();
assertThat(listener.getLogRecords(UniqueIdSelectorResolver.class)).isEmpty();
}
@Test
void logsWarningOnUnexpectedTestDescriptor(LogRecordListener listener) {
UniqueId uniqueId = UniqueId.forEngine(ENGINE_ID).append("wrong-type", "foo:bar");
EngineDiscoveryRequest request = requestWithSelector(selectUniqueId(uniqueId));
new UniqueIdSelectorResolver().resolve(request, allClassesPredicate, collector);
assertNoRequests();
assertLoggedWarning(listener, "Unresolvable Unique ID (" + uniqueId
+ "): Unique ID segment after engine segment must be of type \"runner\"");
}
private void assertLoggedWarning(LogRecordListener listener, String expectedMessage) {
// @formatter:off
assertThat(listener.getLogRecords(UniqueIdSelectorResolver.class, Level.WARNING).stream()
.map(LogRecord::getMessage)
.filter(m -> m.equals(expectedMessage))
.count()
).isEqualTo(1);
// @formatter:on
}
private void assertNoRequests() {
Stream<TestClassRequest> requests = collector.toRequests();
assertThat(requests).isEmpty();
}
private EngineDiscoveryRequest requestWithSelector(UniqueIdSelector selector) {
EngineDiscoveryRequest request = mock(EngineDiscoveryRequest.class);
when(request.getSelectorsByType(UniqueIdSelector.class)).thenReturn(Collections.singletonList(selector));
return request;
}
}