com.byteatebit.common.io.TestFileStreamSource.java Source code

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Here is the source code for com.byteatebit.common.io.TestFileStreamSource.java

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/*
 * Copyright (c) 2016 byteatebit
 *
 * 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 com.byteatebit.common.io;

import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.junit.Assert;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;

public class TestFileStreamSource {

    @Rule
    public TemporaryFolder tempFolder = new TemporaryFolder();

    @Test
    public void testGetInputStream() throws IOException {
        File file = tempFolder.newFile("file1.txt");
        String message = "Sample message";
        FileUtils.write(file, message, StandardCharsets.UTF_8);
        IStreamSource streamSource = new FileStreamSource(file);
        try (InputStream in = streamSource.getInputStream()) {
            String fileMessage = IOUtils.toString(in, StandardCharsets.UTF_8);
            Assert.assertEquals(message, fileMessage);
        }
    }
}