Groovy example source code file (AbstractReaderSourceTest.java)

This example Groovy source code file (AbstractReaderSourceTest.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

abstractreadersourcesubclass, abstractreadersourcesubclass, compilerconfiguration, io, janitor, sample_source_line1, sample_source_line1, sample_source_line2, sample_source_line3, string, string, stringreader, test, wrong, wrong

The Groovy AbstractReaderSourceTest.java source code

/*
 * Copyright 2003-2007 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.control.io;

import org.junit.Test;
import org.junit.Assert;
import org.junit.Before;
import org.codehaus.groovy.control.CompilerConfiguration;
import org.codehaus.groovy.control.Janitor;

import java.io.Reader;
import java.io.IOException;
import java.io.StringReader;

/**
 * Unit test for AbstractReaderSource.
 *
 * @author Hamlet D'Arcy
 */
public class AbstractReaderSourceTest {

    private static final String SAMPLE_SOURCE_LINE1 = "def x = 1;";
    private static final String SAMPLE_SOURCE_LINE2 = "def y = 2;";
    private static final String SAMPLE_SOURCE_LINE3 = "x+y";
    private AbstractReaderSourceSubclass readerSource;
    private Janitor janitor;

    @Before
    public void setUp() throws Exception {
        readerSource = new AbstractReaderSourceSubclass();
        janitor = new Janitor();
    }


    @Test
    public void testGetLine() {

        final String line0 = readerSource.getLine(0, janitor);
        final String line1 = readerSource.getLine(1, janitor);
        final String line2 = readerSource.getLine(2, janitor);
        final String line3 = readerSource.getLine(3, janitor);
        final String line4 = readerSource.getLine(4, janitor);

        Assert.assertNull("out of bounds request should return null", line0);
        Assert.assertEquals("Wrong source line", SAMPLE_SOURCE_LINE1, line1);
        Assert.assertEquals("Wrong source line", SAMPLE_SOURCE_LINE2, line2);
        Assert.assertEquals("Wrong source line", SAMPLE_SOURCE_LINE3, line3);
        Assert.assertNull("out of bounds request should return null", line4);
    }

    @Test
    public void testGetLine_NullJanitor() {

        final String line = readerSource.getLine(1, null);

        Assert.assertEquals("Wrong source line", SAMPLE_SOURCE_LINE1, line);
    }

    /**
     * This is a test specific subclass for AbstractReaderSource.
     */
    private static class AbstractReaderSourceSubclass extends AbstractReaderSource {

        private AbstractReaderSourceSubclass() {
            super(new CompilerConfiguration());
        }

        public Reader getReader() throws IOException {
            return new StringReader(
                    String.format("%s\n%s\n%s", SAMPLE_SOURCE_LINE1, SAMPLE_SOURCE_LINE2, SAMPLE_SOURCE_LINE3)
            );
        }
    }
}