org.fornax.toolsupport.sculptor.maven.plugin.GraphvizMojoTest.java Source code

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/**
 * 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.fornax.toolsupport.sculptor.maven.plugin;

import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.spy;

import java.io.File;
import java.util.HashSet;
import java.util.Set;

import junit.framework.AssertionFailedError;

import org.apache.commons.exec.CommandLine;
import org.apache.maven.project.MavenProject;

public class GraphvizMojoTest extends AbstractSculptorMojoTestCase<GraphvizMojo> {

    private static final String GENERATED_FILE = "src/generated/resources/umlgraph-dependencies.dot";

    public void testChangedDotFilesNoStatusFile() throws Exception {
        GraphvizMojo mojo = createMojo(createProject("test1"));

        Set<String> changedDotFiles = mojo.getChangedDotFiles();
        assertNull(changedDotFiles);
    }

    public void testChangedDotFilesUpdatedImageFile() throws Exception {
        GraphvizMojo mojo = createMojo(createProject("test2"));
        File dotFile = new File(mojo.getProject().getBasedir(), GENERATED_FILE);
        dotFile.setLastModified(System.currentTimeMillis() + 1000);

        Set<String> changedDotFiles = mojo.getChangedDotFiles();
        assertNotNull(changedDotFiles);
        assertEquals(3, changedDotFiles.size());
    }

    public void testChangedDotFilesMissingImageFiles() throws Exception {
        GraphvizMojo mojo = createMojo(createProject("test2"));
        mojo.getStatusFile().setLastModified(0);

        Set<String> changedDotFiles = mojo.getChangedDotFiles();
        assertNotNull(changedDotFiles);
        assertEquals(2, changedDotFiles.size());
    }

    public void testDotCommandLine() throws Exception {
        GraphvizMojo mojo = createMojo(createProject("test1"));
        setVariableValueToObject(mojo, "verbose", true);

        Set<String> changedDotFiles = new HashSet<String>();
        changedDotFiles.add("file1.dot");
        changedDotFiles.add("file2.dot");
        changedDotFiles.add("file3.dot");

        CommandLine commandline = mojo.getDotCommandLine(changedDotFiles);
        assertNotNull(commandline);
        String[] arguments = commandline.getArguments();
        assertEquals(6, arguments.length);
        assertEquals("-q", arguments[0]);
        assertEquals("-Tpng", arguments[1]);
        assertEquals("-O", arguments[2]);
        assertEquals("file1.dot", arguments[3]);
        assertEquals("file2.dot", arguments[4]);
        assertEquals("file3.dot", arguments[5]);
    }

    public void testExecuteSkip() throws Exception {
        GraphvizMojo mojo = spy(createMojo(createProject("test1")));
        doThrow(AssertionFailedError.class).when(mojo).getChangedDotFiles();
        setVariableValueToObject(mojo, "skip", true);

        mojo.execute();
    }

    /**
     * Returns Mojo instance initialized with a {@link MavenProject} created
     * from the test projects in <code>"src/test/projects/"</code> by given
     * project name.
     */
    protected GraphvizMojo createMojo(MavenProject project) throws Exception {

        // Create spied mojo
        GraphvizMojo mojo = super.createMojo(project, "generate-images");

        // Set default values on mojo
        setVariableValueToObject(mojo, "command", "dot");
        return mojo;
    }

}