de.andrena.tools.macker.plugin.CommandLineFileTest.java Source code

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Here is the source code for de.andrena.tools.macker.plugin.CommandLineFileTest.java

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package de.andrena.tools.macker.plugin;

/*
 * 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.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import junit.framework.TestCase;

import org.apache.commons.io.IOUtils;

import de.andrena.tools.macker.plugin.forked.SetArgs;

public class CommandLineFileTest extends TestCase {

    private final File TEST_FILE;

    public CommandLineFileTest(String name) throws IOException {
        super(name);
        TEST_FILE = new File("target/cmdlineargs.txt").getCanonicalFile();
    }

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        SetArgs.reset();
    }

    @Override
    protected void tearDown() throws Exception {
        TEST_FILE.delete();
        super.tearDown();
    }

    public void testInvoke() throws Exception {
        CommandLineFile.main(new String[] { SetArgs.class.getName() });
        assertNotNull(SetArgs.getLastArgs());
        assertEquals(0, SetArgs.getLastArgs().length);
    }

    public void testInvokeEmptyFile() throws Exception {
        FileWriter out = new FileWriter(TEST_FILE);
        out.flush();
        out.close();

        CommandLineFile.main(new String[] { SetArgs.class.getName(), TEST_FILE.toString() });
        assertNotNull(SetArgs.getLastArgs());
        assertEquals(0, SetArgs.getLastArgs().length);
    }

    private void writeArgsFile(List<String> lines) throws IOException {
        Writer out = new OutputStreamWriter(new FileOutputStream(TEST_FILE), "UTF-8");
        IOUtils.writeLines(lines, "\n", out);
        out.flush();
        out.close();
    }

    public void testInvokeParamFile() throws Exception {
        String CHEROKEE_LETTER_A = "\u13A0";

        writeArgsFile(Arrays.asList(new String[] { "aaa", CHEROKEE_LETTER_A, " tralala " }));

        CommandLineFile.main(new String[] { SetArgs.class.getName(), TEST_FILE.toString() });
        assertNotNull(SetArgs.getLastArgs());
        assertEquals(3, SetArgs.getLastArgs().length);
        assertEquals("aaa", SetArgs.getLastArgs()[0]);
        assertEquals(CHEROKEE_LETTER_A, SetArgs.getLastArgs()[1]);
        assertEquals(" tralala ", SetArgs.getLastArgs()[2]);
    }

    public void testInvokeHugeParamFile() throws Exception {
        final int max = 100000;

        List<String> lines = new ArrayList<String>();
        for (int i = 0; i < max; i++) {
            lines.add("a2b4c6d8x");
        }

        writeArgsFile(lines);

        CommandLineFile.main(new String[] { SetArgs.class.getName(), TEST_FILE.toString() });
        assertNotNull(SetArgs.getLastArgs());
        assertEquals(max, SetArgs.getLastArgs().length);
        assertEquals("a2b4c6d8x", SetArgs.getLastArgs()[0]);
        assertEquals("a2b4c6d8x", SetArgs.getLastArgs()[max - 1]);
    }

    public void testInvokeException() throws Exception {
        writeArgsFile(Arrays.asList(new String[] { "uoex" }));

        try {
            CommandLineFile.main(new String[] { SetArgs.class.getName(), TEST_FILE.toString() });
            fail("UnsupportedOperationException expected");
        } catch (UnsupportedOperationException ex) {
            assertNotNull(SetArgs.getLastArgs());
            assertEquals(1, SetArgs.getLastArgs().length);
            assertEquals("uoex", SetArgs.getLastArgs()[0]);
        }
    }
}