/*
* 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;
import java.net.URI;
/**
* 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)
);
}
public URI getURI() {
return null;
}
}
}