org.springframework.data.hadoop.admin.util.HadoopWorkflowDescriptorUtilsTest.java Source code

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Here is the source code for org.springframework.data.hadoop.admin.util.HadoopWorkflowDescriptorUtilsTest.java

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/*
 * Copyright 2011-2012 the original author or authors.
 * 
 * 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 org.springframework.data.hadoop.admin.util;

import static org.junit.Assert.fail;

import java.io.File;

import junit.framework.Assert;

import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.configuration.PropertiesConfiguration;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.springframework.context.support.FileSystemXmlApplicationContext;
import org.springframework.core.io.DefaultResourceLoader;
import org.springframework.core.io.ResourceLoader;
import org.springframework.data.hadoop.admin.SpringHadoopAdminWorkflowException;

/**
 * @author Jarred Li
 *
 */
public class HadoopWorkflowDescriptorUtilsTest {

    private static final Log logger = LogFactory.getLog(HadoopWorkflowDescriptorUtilsTest.class);

    private HadoopWorkflowDescriptorUtils util;

    /**
     * @throws java.lang.Exception
     */
    @Before
    public void setUp() throws Exception {
        util = new HadoopWorkflowDescriptorUtils();
    }

    /**
     * @throws java.lang.Exception
     */
    @After
    public void tearDown() throws Exception {
        util = null;
    }

    @Test
    public void testReplacePropertyPlaceHolder() {
        String fileName = "src/test/resources/org/springframework/data/hadoop/admin/util/context.xml";
        String properFilename = "src/test/resources/org/springframework/data/hadoop/admin/util/hadoop.properties";
        File f = new File(fileName);
        File propertiesFile = new File(properFilename);
        logger.debug("path:" + f.getParentFile().getAbsolutePath());
        if (f != null) {
            try {
                util.replacePropertyPlaceHolder(f, propertiesFile);
            } catch (SpringHadoopAdminWorkflowException e) {
                fail("exception was thrown when replacing proeprty place holder." + e.getMessage());
            }
        }
        FileSystemXmlApplicationContext ctx = new FileSystemXmlApplicationContext(fileName);
        SimpleBean bean = ctx.getBean("simpleBean", SimpleBean.class);
        Assert.assertEquals(
                "file://src/test/resources/org/springframework/data/hadoop/admin/util/hadoop-examples-1.0.0.jar",
                bean.getPath());
    }

    @Test(expected = SpringHadoopAdminWorkflowException.class)
    public void testReplacePropertyPlaceHolder_throwException() throws SpringHadoopAdminWorkflowException {
        String fileName = "src/test/resources/org/springframework/data/hadoop/admin/util/invalid-context.xml";
        String properFilename = "src/test/resources/org/springframework/data/hadoop/admin/util/hadoop.properties";
        File f = new File(fileName);
        File propertiesFile = new File(properFilename);
        logger.debug("path:" + f.getParentFile().getAbsolutePath());
        if (f != null) {
            util.replacePropertyPlaceHolder(f, propertiesFile);
        }
    }

    @Test
    public void testReplaceJarPath() {
        File f = new File("src/test/resources/org/springframework/data/hadoop/admin/util/hadoop.properties");
        try {
            util.replaceJarPath(f);
        } catch (ConfigurationException e) {
            fail("exception was thrown when replacing jar path.");
        }
        try {
            PropertiesConfiguration config = new PropertiesConfiguration(
                    "src/test/resources/org/springframework/data/hadoop/admin/util/hadoop.properties");
            String newValue = config.getString("jar.path");
            Assert.assertNotNull(newValue, "jar.path should not be null");
        } catch (ConfigurationException e) {
            fail("read replaced property fail");
        }
    }

    @Test
    public void testClassLoader() {
        ClassLoader threadClassLoader = Thread.currentThread().getContextClassLoader();
        util.setBeanClassLoader(threadClassLoader);
        ClassLoader loader = util.getBeanClassLoader();
        Assert.assertNotNull(loader);
        Assert.assertEquals(threadClassLoader, loader);
    }

    @Test
    public void testResoureLoader() {
        ResourceLoader resourceLoader = new DefaultResourceLoader();
        util.setResourceLoader(resourceLoader);
        ResourceLoader loader = util.getResourceLoader();
        Assert.assertNotNull(loader);
        Assert.assertEquals(resourceLoader, loader);
    }
}