public void VisitHBaseBackupStep()
{
//Init args
HBaseBackupStep hBaseBackupStep = new HBaseBackupStep();
hBaseBackupStep.HBaseJarPath = "{hbaseJar}";
hBaseBackupStep.BackupPath = "{myBucket}/hbase/backUp";
//Expectations
List <string> expectedArgs = new List <string>()
{
"--backup", "--backup-dir", "s3://myBucket/hbase/backUp"
};
//Init settings
BuilderSettings settings = BuildRequestVisitorTest.GetSettings();
//Init visitor
BuildRequestVisitor visitor = new BuildRequestVisitor(settings);
VisitorSubscriber visitorSubscriber = new VisitorSubscriber(visitor);
//Action
hBaseBackupStep.Accept(visitor);
//Verify
Assert.AreEqual(1, visitorSubscriber.TotalObjCount, "Unexpected number of objects created");
StepConfig actual = visitorSubscriber.stepList[0];
Assert.AreEqual("Backup HBase", actual.Name, "Unexpected Name");
Assert.AreEqual(ActionOnFailure.TERMINATE_JOB_FLOW, actual.ActionOnFailure, "Unexpected ActionOnFailure");
Assert.AreEqual("/home/hadoop/lib/2.2.0/hbase-0.94.7.jar", actual.HadoopJarStep.Jar, "Unexpected Jar");
Assert.AreEqual("emr.hbase.backup.Main", actual.HadoopJarStep.MainClass, "Unexpected MainClass");
Assert.IsTrue(expectedArgs.SequenceEqual(actual.HadoopJarStep.Args), "Unexpected args list");
}
public void HBaseBackupPathIsMissing()
{
//Input
HBaseBackupStep hBaseBackupStep = new HBaseBackupStep()
{
HBaseJarPath = "/home/hadoop/lib/hbase-0.94.7.jar"
};
//Init settings
BuilderSettings settings = BuildRequestVisitorTest.GetSettings();
//Init visitor
BuildRequestVisitor visitor = new BuildRequestVisitor(settings);
VisitorSubscriber visitorSubscriber = new VisitorSubscriber(visitor);
//Action
try
{
hBaseBackupStep.Accept(visitor);
Assert.Fail("Exception has not been thrown!!!");
}
catch (InvalidOperationException ex)
{
Assert.IsFalse(visitorSubscriber.wasAnyEventFired, "None of the visitor's events should be fired!");
Assert.AreEqual <string>("BackupPath property is missing for the HBase Backup Step. Example: \"s3://myBucket/hBaseBackup\"", ex.Message, "Unexpected exception message");
}
}
public void Visit(HBaseBackupStep hBaseBackupStep)
{
if (String.IsNullOrEmpty(hBaseBackupStep.HBaseJarPath))
{
throw new InvalidOperationException(Resources.E_HBaseBackupJarIsMissing);
}
if (String.IsNullOrEmpty(hBaseBackupStep.BackupPath))
{
throw new InvalidOperationException(Resources.E_HBaseBackupPathIsMissing);
}
this.CreateStepConfig(
Resources.HBaseBackupStepName,
hBaseBackupStep.HBaseJarPath,
Resources.HBaseMainClass,
ActionOnFailure.TERMINATE_JOB_FLOW,
new List <String>()
{
"--backup", "--backup-dir", hBaseBackupStep.BackupPath
});
}