Groovy example source code file (FileSystemCompilerTest.java)

This example Groovy source code file (FileSystemCompilerTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Groovy tags/keywords

arraylist, compilerconfiguration, exception, exception, file, file, filesystemcompiler, filesystemcompiler, groovytestcase, hashmap, io, list, map, string, string, util

The Groovy FileSystemCompilerTest.java source code

/*
 * Copyright 2003-2010 the original author or authors.
 *
 * Licensed 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.codehaus.groovy.tools;

import groovy.util.GroovyTestCase;
import org.codehaus.groovy.control.CompilerConfiguration;

import java.io.File;
import java.util.HashMap;
import java.util.Map;
import java.util.List;
import java.util.ArrayList;

/**
 * Tests the compiling & running of GroovyTestCases
 *
 * @author <a href="mailto:james@coredevelopers.net">James Strachan
 * @version $Revision: 20140 $
 */
public class FileSystemCompilerTest extends GroovyTestCase {

    FileSystemCompiler compiler = null;
    final boolean dumpClass = true;

    public void testMethodCall() throws Exception {
        runTest(new String[] {"ClosureMethodTest.groovy"});
        runTest(new String[] {"tree/VerboseTreeTest.groovy"});
        runTest(new String[] {"tree/NestedClosureBugTest.groovy"});
        runTest(new String[] {"tree/SmallTreeTest.groovy"});
        runTest(new String[] {"LittleClosureTest.groovy"});
        runTest(new String[] {"JointJava.java", "JointGroovy.groovy"});
    }

    protected void runTest(String[] names) throws Exception {
        List files = new ArrayList();
        for (int i = 0; i < names.length; i++) {
            String name = names[i];
            File file = new File("src/test/groovy/" + name);
            files.add(file);
            assertTrue("Could not find source file: " + file, file.exists());
        }

        compiler.compile((File[]) files.toArray(new File[names.length]));
    }

    protected void setUp() throws Exception {
        File dir = new File("target/test-generated-classes");
        dir.mkdirs();
        Map options = new HashMap();
        options.put("stubDir", dir);

        CompilerConfiguration configuration = new CompilerConfiguration();
        configuration.setTargetDirectory(dir);
        configuration.setVerbose(dumpClass);
        configuration.setJointCompilationOptions(options);

        compiler = new FileSystemCompiler(configuration);
    }

    public void testCommandLine() throws Exception {
        try {
            FileSystemCompiler.commandLineCompile(new String[] {"--bogus-option"});
            fail("Compiler fails to reject bogus command line");
        } catch (Exception re) {
            // this is why shouldFail {} exists in Groovy tests
        }

        File dir = new File("target/test-generated-classes/cl");
        dir.mkdirs();
        FileSystemCompiler.commandLineCompile(new String[] {"src/test/groovy/LittleClosureTest.groovy", "-d", dir.getPath()});
    }

}