ClassListReaderFactoryTest.java

package org.mutabilitydetector.cli;

/*
 * #%L
 * MutabilityDetector
 * %%
 * Copyright (C) 2008 - 2014 Graham Allan
 * %%
 * 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%
 */



import static org.junit.Assert.assertTrue;

import java.io.File;

import org.junit.After;
import org.junit.Test;

public class ClassListReaderFactoryTest {

    private File classListFile;

    @Test
    public void defaultReturnedReaderIsPlainTextClassListReader() throws Exception {
        classListFile = File.createTempFile("somePlainTextClassListFile", "noFileExtension");

        ClassListToReportCollector collector = new ClassListReaderFactory(classListFile).createReader();

        assertTrue("Should be a plain text reader.", collector instanceof PlainTextClassListToReportReader);
    }

    @Test
    public void returnsAPlainTextReaderWhenFileExtensionIsDotTxt() throws Exception {
        classListFile = File.createTempFile("somePlainTextClassListFile", ".txt");

        ClassListToReportCollector collector = new ClassListReaderFactory(classListFile).createReader();

        assertTrue("Should be a plain text reader.", collector instanceof PlainTextClassListToReportReader);
    }

    @After
    public void cleanUpFileOnExit() {
        if (classListFile != null) classListFile.deleteOnExit();
    }
}