Add check to fail when job being stopped is not a running cancellable one

Author: rajsing

src/ServiceManagement/StorSimple/Commands.StorSimple/Cmdlets/DeviceJobs/StopAzureStorSimpleJob.cs

@@ -62,6 +62,14 @@ public override void ExecuteCmdlet()
                           return;
                       }
 
+                      // Make sure the job is running and cancellable, else fail.
+                      if (!(deviceJobDetails.IsJobCancellable && deviceJobDetails.Status == "Running"))
+                      {
+                          WriteVerbose(string.Format(Resources.JobNotRunningOrCancellable, InstanceId));
+                          WriteObject(null);
+                          return;
+                      }
+
                       // issue call to cancel the job.
                       WriteVerbose(string.Format(Resources.StoppingDeviceJob,InstanceId));
                       var taskStatusInfo = StorSimpleClient.StopDeviceJob(deviceJobDetails.Device.InstanceId, InstanceId);

src/ServiceManagement/StorSimple/Commands.StorSimple/Properties/Resources.Designer.cs

@@ -504,4 +504,7 @@
   <data name="DeviceFailoverSourceAndTargetDeviceSameError" xml:space="preserve">
     <value>Source and Target device in a failover operation can not be the same.</value>
   </data>
+  <data name="JobNotRunningOrCancellable" xml:space="preserve">
+    <value>Cannot stop job with id {0}. It is not a running cancellable job.</value>
+  </data>
 </root>