IoUtilsTest.java

/*
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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:
 *
 * The above copyright notice and this permission notice shall be
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package org.jmxtrans.agent.util.io;

import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import org.w3c.dom.Document;

import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;

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

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

    @Rule
    public TemporaryFolder tmp = new TemporaryFolder();

    private String createFileUrl(String filePath) {
        // On windows machines we must replace backslashes with forward slashes and add a preceding slash.
        String res = filePath.replace('\\', '/');
        if (!res.startsWith("/")) {
            res = "/" + res;
        }
        return "file://" + res;
    }

    @Test
    public void getFileAsDocumentFromFile() throws Exception {
        Path xmlFile = tmp.newFile("b.xml").toPath();

        Files.write(xmlFile, "<parent></parent>".getBytes(StandardCharsets.UTF_8));

        String filePath = xmlFile.toString();

        System.out.println(filePath);
        Document document = IoUtils.getFileAsDocument(new FileResource(xmlFile.toFile()));
        System.out.println(document.getDocumentElement());
        assertThat(document, notNullValue());
    }

    @Test
    public void getFileAsDocumentFromClasspath() throws Exception {
        Document document = IoUtils.getFileAsDocument(new ClasspathResource("classpath:org/jmxtrans/agent/util/io/a.xml"));
        assertThat(document, notNullValue());
    }
}