test: add array test for intrinsic func

Author: theburningmonk

lib/deploy/stepFunctions/compileStateMachines.test.js

@@ -645,7 +645,25 @@ describe('#compileStateMachines', () => {
                   },
                   MessageBody: 'This is a static message',
                 },
+                Next: 'Parallel',
+              },
+              Parallel: {
+                Type: 'Parallel',
                 End: true,
+                Branches: [
+                  {
+                    StartAt: 'Lambda2',
+                    States: {
+                      Lambda2: {
+                        Type: 'Task',
+                        Resource: {
+                          Ref: 'MyFunction2',
+                        },
+                        End: true,
+                      },
+                    },
+                  },
+                ],
               },
             },
           },
@@ -684,5 +702,13 @@ describe('#compileStateMachines', () => {
     expect(sqs.Parameters.QueueUrl.startsWith('${')).to.eq(true);
     const queueUrlParam = sqs.Parameters.QueueUrl.replace(/[${}]/g, '');
     expect(params[queueUrlParam]).to.eql({ Ref: 'MyQueue' });
+
+    const parallel = modifiedDefinition.States.Parallel;
+    expect(parallel.Branches).to.have.lengthOf(1);
+    const lambda2 = parallel.Branches[0].States.Lambda2;
+    expect(lambda2.Resource.startsWith('${')).to.eq(true);
+    const functionParam2 = lambda2.Resource.replace(/[${}]/g, '');
+    expect(params).to.haveOwnProperty(functionParam2);
+    expect(params[functionParam2]).to.eql({ Ref: 'MyFunction2' });
   });
 });