Merge pull request #164 from antmendoza/fix-diagram-generation

fix diagram generation serverlessworkflow/specification#587

Author: tsurdilo

src/lib/diagram/mermaidState.ts

@@ -13,8 +13,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-import { Specification } from '../definitions';
-import { isObject } from '../utils';
+import {Specification} from '../definitions';
+import {isObject} from '../utils';
 
 export class MermaidState {
   constructor(
@@ -144,7 +144,7 @@ export class MermaidState {
       if (isObject(this.state.end)) {
         const end = this.state.end as Specification.End;
 
-        if (end.produceEvents!.length > 0) {
+        if (end.produceEvents) {
           transitionLabel = 'Produced event = [' + end.produceEvents!.map((pe) => pe.eventRef).join(',') + ']';
         }
       }

tests/lib/diagram/mermaidState.spec.ts

@@ -109,9 +109,9 @@ CheckApplication --> RejectApplication : \${ .applicants | .age < 18 }
 CheckApplication --> RejectApplication : default`);
   });
 
-  it('should create source code for data-based state with end condition', () => {
+  it('should create source code for data-based state with end = true ', () => {
     const databasedswitch = new Specification.Databasedswitchstate(
-      JSON.parse(`{
+        JSON.parse(`{
       "type":"switch",
       "name":"CheckApplication",
       "dataConditions": [
@@ -138,6 +138,35 @@ CheckApplication --> [*] : \${ .applicants | .age < 18 }
 CheckApplication --> StartApplication : default`);
   });
 
+
+  it('should create source code for operation state with end.terminate = true ', () => {
+    const databasedswitch = new Specification.Databasedswitchstate(
+        JSON.parse(`{
+      "name": "GreetPerson",
+      "type": "operation",
+      "actions": [
+        {
+          "name": "greetAction",
+          "functionRef": {
+            "refName": "greetFunction",
+            "arguments": {
+              "message": "$.greeting $.name"
+            }
+          }
+        }
+      ],
+      "end": {
+        "terminate": true
+      }
+    }`)
+    );
+    const mermaidState = new MermaidState(databasedswitch);
+    expect(mermaidState.sourceCode()).toBe(`GreetPerson : GreetPerson
+GreetPerson : type = Operation State
+GreetPerson : Num. of actions = 1
+GreetPerson --> [*]`);
+  });
+
   it('should create source code for operation state', () => {
     const states = new Specification.Operationstate(
       JSON.parse(`{