TestGeneratorUtils.java

/*******************************************************************************
 * Copyright (c) 2012-2017 Codenvy, S.A.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   Codenvy, S.A. - initial API and implementation
 *******************************************************************************/
package org.eclipse.che.util;


import org.testng.annotations.Test;

import java.io.File;
import java.io.IOException;
import java.util.Map;
import java.util.Set;
import java.util.regex.Matcher;

import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertTrue;


/**
 * @author Nikolay Zamosenchuk
 * @author Sergii Kabashniuk
 *  */
public class TestGeneratorUtils {

    /** Should match package name */
    @Test
    public void shouldMatchPackage() {
        String packageString = "package org.eclipse.che.ide.util;" + "import junit.framework.Assert;";
        Matcher matcher = GeneratorUtils.PACKAGE_PATTERN.matcher(packageString);
        assertTrue(matcher.matches());
        assertEquals(matcher.groupCount(), 1);
        String group = matcher.group(1);

        assertEquals(group, "org.eclipse.che.ide.util");
    }

    /**
     * Should match package name
     *
     * @throws IOException
     */
    @Test
    public void shouldExtractPackage() throws IOException {
        String packageString = "package org.eclipse.che.ide.util;" + "import junit.framework.Assert;";
        assertEquals(GeneratorUtils.getClassFQN("dummy", packageString), "org.eclipse.che.ide.util");
    }

    @Test
    public void shouldParseRootDir() {
        //given
        String[] args = new String[]{"--rootDir=/tmp/dir"};
        //when
        File actual = GeneratorUtils.getRootFolder(args);
        //then
        assertEquals(actual.getAbsolutePath(), "/tmp/dir");
    }


    @Test
    public void shouldReturnCurrentDirIfNotSet() {
        //given
        String[] args = new String[]{};
        //when
        File actual = GeneratorUtils.getRootFolder(args);
        //then
        assertEquals(actual.getPath(), ".");
    }

    @Test
    public void shouldReturnCurrentPathIfTooManyArguments() {
        //given
        String[] args = new String[]{"--rootDir=/tmp/dir", "--par2=val2"};
        //when
        File actual = GeneratorUtils.getRootFolder(args);
        //then
        assertEquals(actual.getPath(), ".");
    }


    @Test
    public void shouldBeAbleToParseSingleArgument() {
        //given
        String[] args = new String[]{"--rootDir=/tmp/dir"};
        //when
        Map<String, Set<String>> actual = GeneratorUtils.parseArgs(args);
        //then
        assertEquals(actual.size(), 1);
        Set<String> values = actual.get("rootDir");
        assertEquals(values.size(), 1);
        assertEquals(values.iterator().next(), "/tmp/dir");
    }

    @Test
    public void shouldBeAbleToParseTwoArgument() {
        //given
        String[] args = new String[]{"--rootDir=/tmp/dir", "--par2=val2"};
        //when
        Map<String, Set<String>> actual = GeneratorUtils.parseArgs(args);
        //then
        assertEquals(actual.size(), 2);
        Set<String> values = actual.get("rootDir");
        assertEquals(values.size(), 1);
        assertEquals(values.iterator().next(), "/tmp/dir");
    }

    @Test
    public void shouldBeAbleToParseEmptyArgument() {
        //given
        String[] args = new String[]{};
        //when
        Map<String, Set<String>> actual = GeneratorUtils.parseArgs(args);
        //then
        assertEquals(actual.size(), 0);

    }

    @Test
    public void shouldBeAbleToParseMultipleVales() {
        //given
        String[] args = new String[]{"--rootDir=/tmp/dir", "--rootDir=/tmp/dir2", "--par2=val2"};
        //when
        Map<String, Set<String>> actual = GeneratorUtils.parseArgs(args);
        //then
        assertEquals(actual.size(), 2);
        Set<String> values = actual.get("rootDir");
        assertEquals(values.size(), 2);
        assertTrue(values.contains("/tmp/dir"));
        assertTrue(values.contains("/tmp/dir2"));

    }
}