com.sap.prd.mobile.ios.mios.ForkerTest.java Source code

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Here is the source code for com.sap.prd.mobile.ios.mios.ForkerTest.java

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/*
 * #%L
 * xcode-maven-plugin
 * %%
 * Copyright (C) 2012 SAP AG
 * %%
 * 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.
 * #L%
 */
package com.sap.prd.mobile.ios.mios;

import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintStream;

import junit.framework.Assert;

import org.apache.commons.io.output.ByteArrayOutputStream;
import org.junit.Test;

import com.sap.prd.mobile.ios.mios.Forker;

public class ForkerTest {

    @Test
    public void testStraightForward() throws Exception {

        final ByteArrayOutputStream out = new ByteArrayOutputStream();
        final PrintStream log = new PrintStream(out, true);

        try {

            Forker.forkProcess(log, new File(".").getAbsoluteFile(), "echo", "Hello World");

        } finally {
            log.close();
        }

        Assert.assertEquals("Hello World\n", new String(out.toByteArray()));
    }

    @Test(expected = IllegalArgumentException.class)
    public void testMissingPrintStreamForLogging() throws Exception {
        Forker.forkProcess(null, new File(".").getAbsoluteFile(), "echo", "Hello World");
    }

    @Test(expected = IllegalArgumentException.class)
    public void testMissingArguments_1() throws Exception {

        final ByteArrayOutputStream out = new ByteArrayOutputStream();
        final PrintStream log = new PrintStream(out, true);

        try {

            Forker.forkProcess(log, new File(".").getAbsoluteFile(), (String[]) null);

        } finally {
            log.close();
        }

    }

    @Test(expected = IllegalArgumentException.class)
    public void testMissingArguments_2() throws Exception {

        final ByteArrayOutputStream out = new ByteArrayOutputStream();
        final PrintStream log = new PrintStream(out, true);

        try {

            Forker.forkProcess(log, new File(".").getAbsoluteFile(), new String[0]);

        } finally {
            log.close();
        }
    }

    @Test(expected = IllegalArgumentException.class)
    public void testMissingArguments_3() throws Exception {

        final ByteArrayOutputStream out = new ByteArrayOutputStream();
        final PrintStream log = new PrintStream(out, true);

        try {

            Forker.forkProcess(log, new File(".").getAbsoluteFile(), "echo", "", "Hello World");

        } finally {
            log.close();
        }
    }

    @Test(expected = IOException.class)
    public void damagedPrintStream() throws Exception {

        final ByteArrayOutputStream out = new ByteArrayOutputStream();

        class DamagedPrintStream extends PrintStream {
            public DamagedPrintStream(OutputStream out) {
                super(out);
                setError();
            }
        }
        final PrintStream log = new DamagedPrintStream(out);

        try {

            Forker.forkProcess(log, new File(".").getAbsoluteFile(), "echo", "Hello World");

        } finally {
            log.close();
        }
    }

}