de.uni.bremen.monty.moco.CompileTestProgramsTest.java Source code

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Here is the source code for de.uni.bremen.monty.moco.CompileTestProgramsTest.java

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/*
 * moco, the Monty Compiler
 * Copyright (c) 2013-2014, Monty's Coconut, All rights reserved.
 *
 * This file is part of moco, the Monty Compiler.
 *
 * moco is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation; either
 * version 3.0 of the License, or (at your option) any later version.
 *
 * moco is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * Linking this program and/or its accompanying libraries statically or
 * dynamically with other modules is making a combined work based on this
 * program. Thus, the terms and conditions of the GNU General Public License
 * cover the whole combination.
 *
 * As a special exception, the copyright holders of moco give
 * you permission to link this programm and/or its accompanying libraries
 * with independent modules to produce an executable, regardless of the
 * license terms of these independent modules, and to copy and distribute the
 * resulting executable under terms of your choice, provided that you also meet,
 * for each linked independent module, the terms and conditions of the
 * license of that module.
 *
 * An independent module is a module which is not
 * derived from or based on this program and/or its accompanying libraries.
 * If you modify this library, you may extend this exception to your version of
 * the program or library, but you are not obliged to do so. If you do not wish
 * to do so, delete this exception statement from your version.
 *
 * You should have received a copy of the GNU General Public
 * License along with this library.
 */
package de.uni.bremen.monty.moco;

import static de.uni.bremen.monty.moco.IntegrationTestUtils.*;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintStream;
import java.util.Collection;
import org.apache.commons.lang3.StringUtils;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.isEmptyString;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;

@RunWith(Parameterized.class)
public class CompileTestProgramsTest extends CompileFilesBaseTest {

    public CompileTestProgramsTest(File file, String fileName) {
        super(file, fileName);
    }

    @Parameters(name = "Program: {1}")
    public static Collection<Object[]> data() throws Exception {
        Collection<File> programFiles = getAllMontyFiles("testPrograms/");

        return buildParameterObject(programFiles);
    }

    @Test
    public void compileProgramTest() throws IOException, InterruptedException {
        final PrintStream bufferOut = System.out;
        final PrintStream bufferErr = System.err;
        final ByteArrayOutputStream outStream = setStdout();
        final ByteArrayOutputStream errorStream = setStdErr(file);

        if (inputFileExists(file)) {
            System.setProperty("testrun.readFromFile", changeFileExtension(file, ".input"));
        }
        Main.main(new String[] { "-e", file.getAbsolutePath() });

        if (outputFileExists(file)) {
            assertThat(getOutput(errorStream), is(isEmptyString()));
            assertThat(getOutput(outStream), is(expectedResultFromFile(file)));
        } else {
            // chop the last char to not contain /n in the string
            assertThat(StringUtils.chop(getOutput(errorStream)), is(expectedErrorFromFile(file)));
            assertThat(getOutput(outStream), is(isEmptyString()));
        }
        System.clearProperty("testrun.readFromFile");
        System.setOut(bufferOut);
        System.setErr(bufferErr);
    }

}