support set custom status

Signed-off-by: Fabian Martinez <46371672+famarting@users.noreply.github.com>

src/workflow/client/WorkflowState.ts

@@ -105,4 +105,14 @@ export class WorkflowState {
   public get workflowFailureDetails(): WorkflowFailureDetails | undefined {
     return this._workflowFailureDetails;
   }
+
+
+  /**
+   * Gets the workflow instance's custom status, if any, as a string value.
+   * @returns {string | undefined} The workflow instance's custom status or undefined.
+   */
+  public get customStatus(): string | undefined {
+    return this._orchestrationState.serializedCustomStatus;
+  }
+
 }

src/workflow/runtime/WorkflowContext.ts

@@ -156,6 +156,15 @@ export default class WorkflowContext {
     this._innerContext.continueAsNew(newInput, saveEvents);
   }
 
+  /**
+   * Sets the custom status
+   *
+   * @param status {string} The new custom status
+   */
+  public setCustomStatus(status: string): void {
+    this._innerContext.setCustomStatus(status);
+  }
+
   /**
    * Returns a task that completes when all of the provided tasks complete or when one of the tasks fail
    *

test/e2e/workflow/workflow.test.ts

@@ -76,7 +76,7 @@ describe("Workflow", () => {
         current = yield ctx.callActivity(plusOne, current);
         numbers.push(current);
       }
-
+      ctx.setCustomStatus("foo");
       return numbers;
     };
 
@@ -93,6 +93,7 @@ describe("Workflow", () => {
     expect(state?.runtimeStatus).toEqual(WorkflowRuntimeStatus.COMPLETED);
     expect(state?.serializedInput).toEqual(JSON.stringify(1));
     expect(state?.serializedOutput).toEqual(JSON.stringify([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]));
+    expect(state?.customStatus).toEqual("foo");
   }, 31000);
 
   it("should be able to run fan-out/fan-in", async () => {