maven-core/src/test/java/org/apache/maven/lifecycle/internal/stub/ProjectDependencyGraphStubTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for additional information regarding
 * copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the License. You may obtain a
 * copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */

package org.apache.maven.lifecycle.internal.stub;

import java.util.List;

import org.apache.maven.project.MavenProject;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;

/**
 * Tests the stub. Yeah, I know.
 *
 * @author Kristian Rosenvold
 */

public class ProjectDependencyGraphStubTest
{
    ProjectDependencyGraphStub stub = new ProjectDependencyGraphStub();

    @Test
    public void testADependencies()
    {
        final List<MavenProject> mavenProjects = stub.getUpstreamProjects( ProjectDependencyGraphStub.A, false );
        assertEquals( 0, mavenProjects.size() );
    }

    @Test
    public void testBDepenencies()
    {
        final List<MavenProject> bProjects = stub.getUpstreamProjects( ProjectDependencyGraphStub.B, false );
        assertEquals( 1, bProjects.size() );
        assertTrue( bProjects.contains( ProjectDependencyGraphStub.A ) );
    }

    @Test
    public void testCDepenencies()
    {
        final List<MavenProject> cProjects = stub.getUpstreamProjects( ProjectDependencyGraphStub.C, false );
        assertEquals( 1, cProjects.size() );
        assertTrue( cProjects.contains( ProjectDependencyGraphStub.A ) );
    }

    @Test
    public void testXDepenencies()
    {
        final List<MavenProject> cProjects = stub.getUpstreamProjects( ProjectDependencyGraphStub.X, false );
        assertEquals( 2, cProjects.size() );
        assertTrue( cProjects.contains( ProjectDependencyGraphStub.C ) );
        assertTrue( cProjects.contains( ProjectDependencyGraphStub.B ) );
    }
}