| /** |
| * 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, 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.apache.hadoop.tools.mapred; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.mapreduce.*; |
| import org.apache.hadoop.mapreduce.task.TaskAttemptContextImpl; |
| import org.apache.hadoop.mapreduce.task.JobContextImpl; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.tools.DistCpConstants; |
| import org.junit.Test; |
| import org.junit.Assert; |
| |
| import java.io.IOException; |
| |
| public class TestCopyOutputFormat { |
| private static final Log LOG = LogFactory.getLog(TestCopyOutputFormat.class); |
| |
| @Test |
| public void testSetCommitDirectory() { |
| try { |
| Job job = Job.getInstance(new Configuration()); |
| Assert.assertEquals(null, CopyOutputFormat.getCommitDirectory(job)); |
| |
| job.getConfiguration().set(DistCpConstants.CONF_LABEL_TARGET_FINAL_PATH, ""); |
| Assert.assertEquals(null, CopyOutputFormat.getCommitDirectory(job)); |
| |
| Path directory = new Path("/tmp/test"); |
| CopyOutputFormat.setCommitDirectory(job, directory); |
| Assert.assertEquals(directory, CopyOutputFormat.getCommitDirectory(job)); |
| Assert.assertEquals(directory.toString(), job.getConfiguration(). |
| get(DistCpConstants.CONF_LABEL_TARGET_FINAL_PATH)); |
| } catch (IOException e) { |
| LOG.error("Exception encountered while running test", e); |
| Assert.fail("Failed while testing for set Commit Directory"); |
| } |
| } |
| |
| @Test |
| public void testSetWorkingDirectory() { |
| try { |
| Job job = Job.getInstance(new Configuration()); |
| Assert.assertEquals(null, CopyOutputFormat.getWorkingDirectory(job)); |
| |
| job.getConfiguration().set(DistCpConstants.CONF_LABEL_TARGET_WORK_PATH, ""); |
| Assert.assertEquals(null, CopyOutputFormat.getWorkingDirectory(job)); |
| |
| Path directory = new Path("/tmp/test"); |
| CopyOutputFormat.setWorkingDirectory(job, directory); |
| Assert.assertEquals(directory, CopyOutputFormat.getWorkingDirectory(job)); |
| Assert.assertEquals(directory.toString(), job.getConfiguration(). |
| get(DistCpConstants.CONF_LABEL_TARGET_WORK_PATH)); |
| } catch (IOException e) { |
| LOG.error("Exception encountered while running test", e); |
| Assert.fail("Failed while testing for set Working Directory"); |
| } |
| } |
| |
| @Test |
| public void testGetOutputCommitter() { |
| try { |
| TaskAttemptContext context = new TaskAttemptContextImpl(new Configuration(), |
| new TaskAttemptID("200707121733", 1, TaskType.MAP, 1, 1)); |
| context.getConfiguration().set("mapred.output.dir", "/out"); |
| Assert.assertTrue(new CopyOutputFormat().getOutputCommitter(context) instanceof CopyCommitter); |
| } catch (IOException e) { |
| LOG.error("Exception encountered ", e); |
| Assert.fail("Unable to get output committer"); |
| } |
| } |
| |
| @Test |
| public void testCheckOutputSpecs() { |
| try { |
| OutputFormat outputFormat = new CopyOutputFormat(); |
| Job job = Job.getInstance(new Configuration()); |
| JobID jobID = new JobID("200707121733", 1); |
| |
| try { |
| JobContext context = new JobContextImpl(job.getConfiguration(), jobID); |
| outputFormat.checkOutputSpecs(context); |
| Assert.fail("No checking for invalid work/commit path"); |
| } catch (IllegalStateException ignore) { } |
| |
| CopyOutputFormat.setWorkingDirectory(job, new Path("/tmp/work")); |
| try { |
| JobContext context = new JobContextImpl(job.getConfiguration(), jobID); |
| outputFormat.checkOutputSpecs(context); |
| Assert.fail("No checking for invalid commit path"); |
| } catch (IllegalStateException ignore) { } |
| |
| job.getConfiguration().set(DistCpConstants.CONF_LABEL_TARGET_WORK_PATH, ""); |
| CopyOutputFormat.setCommitDirectory(job, new Path("/tmp/commit")); |
| try { |
| JobContext context = new JobContextImpl(job.getConfiguration(), jobID); |
| outputFormat.checkOutputSpecs(context); |
| Assert.fail("No checking for invalid work path"); |
| } catch (IllegalStateException ignore) { } |
| |
| CopyOutputFormat.setWorkingDirectory(job, new Path("/tmp/work")); |
| CopyOutputFormat.setCommitDirectory(job, new Path("/tmp/commit")); |
| try { |
| JobContext context = new JobContextImpl(job.getConfiguration(), jobID); |
| outputFormat.checkOutputSpecs(context); |
| } catch (IllegalStateException ignore) { |
| Assert.fail("Output spec check failed."); |
| } |
| |
| } catch (IOException e) { |
| LOG.error("Exception encountered while testing checkoutput specs", e); |
| Assert.fail("Checkoutput Spec failure"); |
| } catch (InterruptedException e) { |
| LOG.error("Exception encountered while testing checkoutput specs", e); |
| Assert.fail("Checkoutput Spec failure"); |
| } |
| } |
| } |