com.navercorp.volleyextensions.cache.universalimageloader.disc.CountingInputStreamTest.java Source code

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Here is the source code for com.navercorp.volleyextensions.cache.universalimageloader.disc.CountingInputStreamTest.java

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/*
 * Copyright (C) 2014 Naver Corp.
 * 
 * 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.navercorp.volleyextensions.cache.universalimageloader.disc;

import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;

import java.io.IOException;
import java.io.InputStream;
import org.apache.commons.io.IOUtils;
import org.junit.Test;

import com.navercorp.volleyextensions.cache.universalimageloader.disc.CountingInputStream;

public class CountingInputStreamTest {

    @Test
    public void bytesReadShouldBeSameAsContentLength() throws IOException {
        // Given
        InputStream is = openFromClassPath("test.txt");
        CountingInputStream cis = new CountingInputStream(is);
        // When
        String content = IOUtils.toString(cis);
        IOUtils.closeQuietly(cis);
        //Then
        assertThat(content, is("Cached Data"));
        assertThat(cis.bytesRead, is(11));
    }

    private InputStream openFromClassPath(String testFile) throws IOException {
        ClassLoader classLoader = this.getClass().getClassLoader();
        return classLoader.getResource(testFile).openStream();
    }
}