IdentityWithBuilderTest.java

package hip.ch8.localjobrunner;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
import org.apache.hadoop.mapreduce.lib.input.KeyValueTextInputFormat;
import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
import org.junit.Test;

import java.io.IOException;

import static junit.framework.Assert.assertTrue;

public class IdentityWithBuilderTest {

  @Test
  public void run() throws Exception {

    TextIOJobBuilder builder = new TextIOJobBuilder()
        .addInput("foo", "bar")
        .addExpectedOutput("foo", "bar")
        .writeInputs();

    Job job = runJob(
        builder.getConfig(),
        builder.getInputPath(),
        builder.getOutputPath());

    assertTrue(job.isSuccessful());

    builder.verifyResults();
  }

  public Job runJob(Configuration conf, Path inputPath, Path outputPath)
      throws ClassNotFoundException, IOException, InterruptedException {
    Job job = new Job(conf);

    job.setInputFormatClass(KeyValueTextInputFormat.class);

    job.setMapOutputKeyClass(Text.class);

    FileInputFormat.setInputPaths(job, inputPath);
    FileOutputFormat.setOutputPath(job, outputPath);

    job.waitForCompletion(false);
    return job;
  }
}