de.oppermann.pomutils.PomMergeDriverTest.java Source code

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Here is the source code for de.oppermann.pomutils.PomMergeDriverTest.java

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package de.oppermann.pomutils;

/*
 * 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.
 */

import java.io.File;

import junit.framework.TestCase;

import org.apache.commons.io.FileUtils;
import org.codehaus.mojo.versions.api.PomHelper;
import org.codehaus.mojo.versions.rewriting.ModifiedPomXMLEventReader;

import com.ctc.wstx.stax.WstxInputFactory;

import de.oppermann.pomutils.select.SelectionStrategy;
import de.oppermann.pomutils.select.VersionSelector;
import de.oppermann.pomutils.util.POM;

/**
 * 
 * @author Sven Oppermann <sven.oppermann@gmail.com>
 * 
 */

public class PomMergeDriverTest extends TestCase {

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        System.setProperty(org.slf4j.impl.SimpleLogger.DEFAULT_LOG_LEVEL_KEY, "DEBUG");

        File testTargetResourceFolder = new File("target/testresources/merge");
        FileUtils.deleteDirectory(testTargetResourceFolder);
        FileUtils.copyDirectory(new File("src/test/resources/merge"), testTargetResourceFolder);
    }

    public void testAutoMergeSucceded() throws Exception {
        String basePomFile = "target/testresources/merge/autoMergeSucceded/base.pom.xml";
        String ourPomFile = "target/testresources/merge/autoMergeSucceded/our.pom.xml";
        String theirPomFile = "target/testresources/merge/autoMergeSucceded/their.pom.xml";

        PomMergeDriver pomMergeDriver = new PomMergeDriver(basePomFile, ourPomFile, theirPomFile,
                SelectionStrategy.OUR.getSelector());
        int mergeReturnValue = pomMergeDriver.merge();

        assertTrue("merge succeeded", mergeReturnValue == 0);

        POM theirPom = new POM(theirPomFile);
        POM ourPom = new POM(ourPomFile);

        assertEquals("our", ourPom.getProjectVersion());
        assertEquals("our", theirPom.getProjectVersion());

        String theirDependecyVersoin = PomHelper.getRawModel(new File(theirPomFile)).getDependencies().get(0)
                .getVersion();
        String ourDependencyVersion = PomHelper.getRawModel(new File(ourPomFile)).getDependencies().get(0)
                .getVersion();

        assertEquals("dependency version change merged", theirDependecyVersoin, ourDependencyVersion);
    }

    public void testAutoMergeSucceded_their() throws Exception {
        String basePomFile = "target/testresources/merge/autoMergeSucceded_their/base.pom.xml";
        String ourPomFile = "target/testresources/merge/autoMergeSucceded_their/our.pom.xml";
        String theirPomFile = "target/testresources/merge/autoMergeSucceded_their/their.pom.xml";

        PomMergeDriver pomMergeDriver = new PomMergeDriver(basePomFile, ourPomFile, theirPomFile,
                SelectionStrategy.THEIR.getSelector());
        int mergeReturnValue = pomMergeDriver.merge();

        assertTrue("merge succeeded", mergeReturnValue == 0);

        POM theirPom = new POM(theirPomFile);
        POM ourPom = new POM(ourPomFile);

        assertEquals("their", ourPom.getProjectVersion());
        assertEquals("their", theirPom.getProjectVersion());

        String theirDependecyVersoin = PomHelper.getRawModel(new File(theirPomFile)).getDependencies().get(0)
                .getVersion();
        String ourDependencyVersion = PomHelper.getRawModel(new File(ourPomFile)).getDependencies().get(0)
                .getVersion();

        assertEquals("dependency version change merged", theirDependecyVersoin, ourDependencyVersion);
    }

    public void testAutoMergeSucceded_prompt() throws Exception {
        String basePomFile = "target/testresources/merge/autoMergeSucceded_prompt/base.pom.xml";
        String ourPomFile = "target/testresources/merge/autoMergeSucceded_prompt/our.pom.xml";
        String theirPomFile = "target/testresources/merge/autoMergeSucceded_prompt/their.pom.xml";

        PomMergeDriver pomMergeDriver = new PomMergeDriver(basePomFile, ourPomFile, theirPomFile,
                new VersionSelector() {

                    @Override
                    public String selectVersion(String projectIdentifier, String ourVersion, String theirVersion) {
                        return theirVersion;
                    }
                });
        int mergeReturnValue = pomMergeDriver.merge();

        assertTrue("merge succeeded", mergeReturnValue == 0);

        POM theirPom = new POM(theirPomFile);
        POM ourPom = new POM(ourPomFile);

        assertEquals("their", ourPom.getParentVersion());
        assertEquals("their", theirPom.getParentVersion());

        String theirDependecyVersoin = PomHelper.getRawModel(new File(theirPomFile)).getDependencies().get(0)
                .getVersion();
        String ourDependencyVersion = PomHelper.getRawModel(new File(ourPomFile)).getDependencies().get(0)
                .getVersion();

        assertEquals("dependency version change merged", theirDependecyVersoin, ourDependencyVersion);
    }

    public void testAutoMergeFailed() throws Exception {
        String basePomFile = "target/testresources/merge/autoMergeFailed/base.pom.xml";
        String ourPomFile = "target/testresources/merge/autoMergeFailed/our.pom.xml";
        String theirPomFile = "target/testresources/merge/autoMergeFailed/their.pom.xml";

        PomMergeDriver pomMergeDriver = new PomMergeDriver(basePomFile, ourPomFile, theirPomFile,
                SelectionStrategy.OUR.getSelector());
        int mergeReturnValue = pomMergeDriver.merge();

        assertTrue("merge conflict", mergeReturnValue == 1);

        POM theirPom = new POM(theirPomFile);

        StringBuilder ourPomString = new StringBuilder(FileUtils.readFileToString(new File(ourPomFile)));
        String ourProjectVersion = PomHelper
                .getProjectVersion(new ModifiedPomXMLEventReader(ourPomString, new WstxInputFactory()));

        assertEquals("same version now", ourProjectVersion, theirPom.getProjectVersion());
    }
}