samza-yarn/src/test/java/org/apache/samza/job/yarn/TestYarnJobFactory.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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,
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package org.apache.samza.job.yarn;

import com.google.common.collect.ImmutableMap;
import org.apache.hadoop.conf.Configuration;
import org.apache.samza.config.MapConfig;
import org.apache.samza.util.hadoop.HttpFileSystem;
import org.junit.Test;
import static org.junit.Assert.assertEquals;

public class TestYarnJobFactory {
  @Test
  public void testGetJobWithDefaultFsImpl() {
    YarnJobFactory jobFactory = new YarnJobFactory();
    YarnJob yarnJob = jobFactory.getJob(new MapConfig());
    Configuration hConfig = yarnJob.client().yarnClient().getConfig();
    assertEquals(HttpFileSystem.class.getName(), hConfig.get("fs.http.impl"));
    assertEquals(HttpFileSystem.class.getName(), hConfig.get("fs.https.impl"));
  }

  @Test
  public void  testGetJobWithFsImplOverride() {
    YarnJobFactory jobFactory = new YarnJobFactory();
    YarnJob yarnJob = jobFactory.getJob(new MapConfig(ImmutableMap.of(
        "fs.http.impl", "org.apache.myHttp",
        "fs.myscheme.impl", "org.apache.myScheme")));
    Configuration hConfig = yarnJob.client().yarnClient().getConfig();
    assertEquals("org.apache.myHttp", hConfig.get("fs.http.impl"));
    assertEquals("org.apache.myScheme", hConfig.get("fs.myscheme.impl"));
  }

  @Test
  public void  testGetJobWithFsImplSubkeys() {
    YarnJobFactory jobFactory = new YarnJobFactory();
    YarnJob yarnJob = jobFactory.getJob(new MapConfig(ImmutableMap.of(
        "fs.myscheme.impl", "org.apache.myScheme",
        "fs.myscheme.impl.client", "org.apache.mySchemeClient")));
    Configuration hConfig = yarnJob.client().yarnClient().getConfig();
    assertEquals("org.apache.myScheme", hConfig.get("fs.myscheme.impl"));
    assertEquals("org.apache.mySchemeClient", hConfig.get("fs.myscheme.impl.client"));
  }
}