update to make tasks options for runMATLABBuild step (#236)

Author: davidbuzinski

src/main/java/com/mathworks/ci/RunMatlabBuildStep.java

@@ -26,14 +26,19 @@ public class RunMatlabBuildStep extends Step {
     private String tasks;
 
     @DataBoundConstructor
-    public RunMatlabBuildStep(String tasks) {
-        this.tasks = tasks;
+    public RunMatlabBuildStep() {
+ 
     }
 
     public String getTasks() {
         return Util.fixNull(tasks);
     }
 
+    @DataBoundSetter
+    public void setTasks(String tasks) {
+        this.tasks = tasks;
+    }
+
     @Override
     public StepExecution start(StepContext context) throws Exception {
         return new MatlabBuildStepExecution(context, getTasks());

src/test/java/com/mathworks/ci/RunMatlabBuildStepTest.java

@@ -87,6 +87,18 @@ public void verifyPipelineOnSlave() throws Exception {
         j.assertBuildStatusSuccess(build);
     }
 
+    /*
+     * Verify build runs with default tasks if no tasks are specified
+     */
+    @Test
+    public void verifyRunsWithDefaultTasks() throws Exception {
+        project.setDefinition(
+                new CpsFlowDefinition("node { runMATLABBuild() }", true));
+
+        WorkflowRun build = project.scheduleBuild2(0).get();
+        j.assertLogContains("buildtool", build);
+    }
+
     /*
      * Verify appropriate task is invoked as in pipeline script
      */

src/test/java/com/mathworks/ci/RunMatlabBuildStepTester.java

@@ -20,10 +20,10 @@
 
 public class RunMatlabBuildStepTester extends RunMatlabBuildStep {
     @DataBoundConstructor
-    public RunMatlabBuildStepTester(String tasks) {
-        super(tasks);
+    public RunMatlabBuildStepTester() {
+
     }
-    
+
     @Override
     public StepExecution start(StepContext context) throws Exception {   
         return new TestStepExecution(context,this.getTasks());