package org.codehaus.mojo.antlr;
/*
* 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 java.io.IOException;
import java.util.ArrayList;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.repository.ArtifactRepositoryPolicy;
import org.apache.maven.artifact.repository.DefaultArtifactRepositoryFactory;
import org.apache.maven.artifact.repository.layout.DefaultRepositoryLayout;
import org.apache.maven.artifact.resolver.ArtifactResolver;
import org.apache.maven.plugin.Mojo;
import org.apache.maven.plugin.testing.AbstractMojoTestCase;
import org.apache.maven.plugin.testing.stubs.StubArtifactRepository;
import org.apache.maven.project.MavenProject;
import org.codehaus.mojo.antlr.stubs.DependencyArtifactStubFactory;
import org.codehaus.mojo.antlr.stubs.DependencyProjectStub;
import org.codehaus.plexus.util.FileUtils;
/**
* <code>Unit tests</code> of Antlr plugin
*
* @author <a href="mailto:vincent.siveton@gmail.com">Vincent Siveton</a>
* @version $Id$
*/
public class AntlrPluginTest
extends AbstractMojoTestCase
{
protected File testDir;
protected DependencyArtifactStubFactory artifactStubFactory;
/**
* @see junit.framework.TestCase#setUp()
*/
protected void setUp()
throws Exception
{
// required for mojo lookups to work
super.setUp();
testDir = new File( getBasedir() );
testDir = new File( testDir, "target" );
testDir = new File( testDir, "unit-tests" );
testDir = new File( testDir, "antlr-tests" );
removeDirectory( testDir );
assertFalse( testDir.exists() );
artifactStubFactory = new DependencyArtifactStubFactory( this.testDir, false );
}
/**
* @see junit.framework.TestCase#tearDown()
*/
protected void tearDown()
throws Exception
{
if ( testDir != null )
{
try
{
removeDirectory( testDir );
}
catch ( IOException e )
{
// TODO Auto-generated catch block
e.printStackTrace();
fail( "Trying to remove directory:" + testDir + "\r\n" + e.toString() );
}
assertFalse( testDir.exists() );
testDir = null;
}
artifactStubFactory = null;
}
/**
* Method to test Antlr generation
*
* @throws Exception
*/
public void testJavaGrammar()
throws Exception
{
File testPom = new File( getBasedir(),
"src/test/resources/unit/java-grammar-test/java-grammar-test-plugin-config.xml" );
AntlrPlugin mojo = (AntlrPlugin) lookupMojo( testPom, true );
mojo.execute();
File outputDir = new File( getBasedir(),
"target/test/unit/java-grammar-test/target/generated-sources/antlr/" );
assertTrue( new File( outputDir, "JavaLexer.java" ).exists() );
assertTrue( new File( outputDir, "JavaRecognizer.java" ).exists() );
assertTrue( new File( outputDir, "JavaTokenTypes.java" ).exists() );
assertTrue( new File( outputDir, "JavaTokenTypes.txt" ).exists() );
}
/**
* Method to test Antlr generation
*
* @throws Exception
*/
public void testJavaGrammarInheritance()
throws Exception
{
File testPom = new File( getBasedir(),
"src/test/resources/unit/java-grammar-inheritance-test/java-grammar-inheritance-test-plugin-config.xml" );
AntlrPlugin mojo = (AntlrPlugin) lookupMojo( testPom, true );
mojo.execute();
File outputDir = new File( getBasedir(),
"target/test/unit/java-grammar-inheritance-test/target/generated-sources/antlr/" );
assertTrue( outputDir.exists() );
assertTrue( new File( outputDir, "GnuCEmitter.java" ).exists() );
assertTrue( new File( outputDir, "GnuCEmitterTokenTypes.java" ).exists() );
assertTrue( new File( outputDir, "GnuCLexer.java" ).exists() );
assertTrue( new File( outputDir, "GnuCLexerTokenTypes.java" ).exists() );
assertTrue( new File( outputDir, "GnuCParser.java" ).exists() );
assertTrue( new File( outputDir, "GNUCTokenTypes.java" ).exists() );
assertTrue( new File( outputDir, "GnuCTreeParser.java" ).exists() );
assertTrue( new File( outputDir, "GnuCTreeParserTokenTypes.java" ).exists() );
assertTrue( new File( outputDir, "StdCLexer.java" ).exists() );
assertTrue( new File( outputDir, "StdCParser.java" ).exists() );
assertTrue( new File( outputDir, "STDCTokenTypes.java" ).exists() );
}
public void testMissingAntlrDependency() throws Exception {
try {
File testPom = new File( getBasedir(),
"src/test/resources/unit/no-antlr-dep/no-antlr-dep-test-plugin-config.xml" );
AntlrPlugin mojo = (AntlrPlugin) lookupMojo( testPom, false );
mojo.execute();
fail( "was expecting failure due to missing antlr dep" );
}
catch ( AntlrPlugin.NoAntlrDependencyDefinedException expected ) {
// expected behavior
}
}
protected Mojo lookupMojo(File pom, boolean addAntlrDep) throws Exception {
AntlrPlugin mojo = (AntlrPlugin) super.lookupMojo( "generate", pom );
assertNotNull( mojo );
assertNotNull( mojo.project );
MavenProject project = mojo.project;
if ( addAntlrDep ) {
Artifact antlrArtifact = artifactStubFactory.createArtifact( "antlr", "antlr", "2.7.7" );
resolveArtifact( antlrArtifact );
ArrayList artifacts = new ArrayList();
artifacts.add( antlrArtifact );
( ( DependencyProjectStub ) project ).setCompileArtifacts( artifacts );
}
return mojo;
}
protected void resolveArtifact(Artifact artifact) throws Exception {
if ( artifact.isResolved() ) {
return;
}
File localRepoDir = new File( new File( new File( getBasedir(), "target" ), "test" ), "stub-repo" );
ArtifactRepository localRepository = new StubArtifactRepository( localRepoDir.getAbsolutePath() );
DefaultArtifactRepositoryFactory artifactRepositoryFactory = new DefaultArtifactRepositoryFactory();
ArtifactRepository centralRepo = artifactRepositoryFactory.createArtifactRepository(
"central-stub",
"http://repo1.maven.org/maven2/",
new DefaultRepositoryLayout(),
new ArtifactRepositoryPolicy( true, ArtifactRepositoryPolicy.UPDATE_POLICY_ALWAYS, ArtifactRepositoryPolicy.CHECKSUM_POLICY_IGNORE ),
new ArtifactRepositoryPolicy( true, ArtifactRepositoryPolicy.UPDATE_POLICY_ALWAYS, ArtifactRepositoryPolicy.CHECKSUM_POLICY_IGNORE )
);
ArrayList remoteRepositories = new ArrayList();
remoteRepositories.add( centralRepo );
ArtifactResolver artifactResolver = ( ArtifactResolver ) super.lookup( "org.apache.maven.artifact.resolver.ArtifactResolver" );
artifactResolver.resolve( artifact, remoteRepositories, localRepository );
artifact.setResolved( true );
}
public static void removeDirectory( File dir ) throws IOException {
FileUtils.deleteDirectory( dir );
}
}