ClasspathResourceTest.java

/*
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 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
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 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
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 * The above copyright notice and this permission notice shall be
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package org.jmxtrans.agent.util.io;

import org.junit.Test;

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;

import static org.hamcrest.Matchers.*;
import static org.junit.Assert.assertThat;

/**
 * @author <a href="mailto:cleclerc@cloudbees.com">Cyrille Le Clerc</a>
 */
public class ClasspathResourceTest {

    @Test
    public void classpath_resource_exists() throws Exception {
        ClasspathResource resource = new ClasspathResource("classpath://org/jmxtrans/agent/util/io/classpath-resource.txt");
        assertThat(resource.exists(), is(true));

        assertThat(resource.lastModified(), greaterThan(0L));
        File actualFile = resource.getFile();
        assertThat(actualFile, notNullValue());

        String expected = "hello world";
        InputStream in = resource.getInputStream();
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        IoUtils.copy(in, baos);
        String actual = new String(baos.toByteArray(), StandardCharsets.UTF_8);
        assertThat(actual, is(expected));

    }
}