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Module "junit-jupiter-engine" of JUnit 5.

There is a newer version: 5.11.3

/*
 * Copyright 2015-2020 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
 *
 * https://www.eclipse.org/legal/epl-v20.html
 */

package org.junit.jupiter.engine.discovery;

import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.util.List;
import java.util.Optional;

import org.junit.jupiter.api.MethodDescriptor;
import org.junit.jupiter.engine.descriptor.MethodBasedTestDescriptor;
import org.junit.platform.commons.util.AnnotationUtils;
import org.junit.platform.commons.util.Preconditions;
import org.junit.platform.commons.util.ToStringBuilder;

/**
 * Default implementation of {@link MethodDescriptor}, backed by
 * a {@link MethodBasedTestDescriptor}.
 *
 * @since 5.4
 */
class DefaultMethodDescriptor implements MethodDescriptor {

	private final MethodBasedTestDescriptor testDescriptor;

	DefaultMethodDescriptor(MethodBasedTestDescriptor testDescriptor) {
		this.testDescriptor = testDescriptor;
	}

	MethodBasedTestDescriptor getTestDescriptor() {
		return testDescriptor;
	}

	@Override
	public final Method getMethod() {
		return this.testDescriptor.getTestMethod();
	}

	@Override
	public final String getDisplayName() {
		return this.testDescriptor.getDisplayName();
	}

	@Override
	public boolean isAnnotated(Class annotationType) {
		Preconditions.notNull(annotationType, "annotationType must not be null");
		return AnnotationUtils.isAnnotated(getMethod(), annotationType);
	}

	@Override
	public  Optional findAnnotation(Class annotationType) {
		Preconditions.notNull(annotationType, "annotationType must not be null");
		return AnnotationUtils.findAnnotation(getMethod(), annotationType);
	}

	@Override
	public  List findRepeatableAnnotations(Class annotationType) {
		Preconditions.notNull(annotationType, "annotationType must not be null");
		return AnnotationUtils.findRepeatableAnnotations(getMethod(), annotationType);
	}

	@Override
	public String toString() {
		return new ToStringBuilder(this).append("method", getMethod().toGenericString()).toString();
	}

}