com.javacreed.examples.io.RafHelperTest.java Source code

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Here is the source code for com.javacreed.examples.io.RafHelperTest.java

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/**
 * Copyright 2012-2014 Java Creed.
 * 
 * Licensed under the Apache License, Version 2.0 (the "<em>License</em>");
 * 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 com.javacreed.examples.io;

import java.io.File;
import java.io.IOException;

import org.apache.commons.io.FileUtils;
import org.junit.Assert;
import org.junit.Test;

import com.javacreed.examples.io.RafHelper.Mode;

public class RafHelperTest {

    private static File createSampleFile(final String data) throws IOException {
        final File file = File.createTempFile("RafHelper", "test");
        file.deleteOnExit();
        FileUtils.write(file, data, "UTF-8");

        return file;
    }

    @Test
    public void test() throws Exception {
        final String data = FileUtils
                .readFileToString(new File(getClass().getResource("/samples/Cologne.txt").toURI()), "UTF-8");

        final File file = RafHelperTest.createSampleFile(data);

        try (RafHelper helper = new RafHelper(file, Mode.READ_WRITE)) {
            helper.lock();
            Assert.assertEquals(data, helper.read("UTF-8"));
            helper.clear();
            Assert.assertEquals("", helper.read("UTF-8"));
        }
    }
}