chore: Make scheduled job tests less likely to fail (#8241)

packages/modules/workflow-engine-redis/integration-tests/__fixtures__/workflow_scheduled.ts

@@ -5,8 +5,13 @@ import {
   StepResponse,
 } from "@medusajs/workflows-sdk"
 
-export const createScheduled = (name: string, schedule?: SchedulerOptions) => {
+export const createScheduled = (
+  name: string,
+  next: () => void,
+  schedule?: SchedulerOptions
+) => {
   const workflowScheduledStepInvoke = jest.fn((input, { container }) => {
+    next()
     return new StepResponse({
       testValue: container.resolve("test-value"),
     })

packages/modules/workflow-engine-redis/integration-tests/__tests__/index.spec.ts

@@ -24,6 +24,7 @@ import "../__fixtures__"
 import { createScheduled } from "../__fixtures__/workflow_scheduled"
 import { DB_URL, TestDatabase } from "../utils"
 import { WorkflowsModuleService } from "@medusajs/workflow-engine-inmemory/dist/services"
+import Redis from "ioredis"
 
 jest.setTimeout(100000)
 
@@ -40,6 +41,24 @@ const afterEach_ = async () => {
   await TestDatabase.clearTables(sharedPgConnection)
 }
 
+function times(num) {
+  let resolver
+  let counter = 0
+  const promise = new Promise((resolve) => {
+    resolver = resolve
+  })
+
+  return {
+    next: () => {
+      counter += 1
+      if (counter === num) {
+        resolver()
+      }
+    },
+    promise,
+  }
+}
+
 describe("Workflow Orchestrator module", function () {
   let workflowOrcModule: IWorkflowEngineService
   let query: RemoteQueryFunction
@@ -49,6 +68,10 @@ describe("Workflow Orchestrator module", function () {
     const container = createMedusaContainer()
     container.register(ContainerRegistrationKeys.LOGGER, asValue(console))
 
+    // Clear any residual data in Redis
+    const redisClient = new Redis()
+    redisClient.flushall()
+
     const {
       runMigrations,
       query: remoteQuery,
@@ -83,10 +106,6 @@ describe("Workflow Orchestrator module", function () {
     workflowOrcModule = modules.workflows as unknown as IWorkflowEngineService
   })
 
-  afterAll(async () => {
-    await WorkflowManager.unregisterAll()
-  })
-
   it(`should export the appropriate linkable configuration`, () => {
     const linkable = Module(Modules.WORKFLOW_ENGINE, {
       service: WorkflowsModuleService,
@@ -352,33 +371,44 @@ describe("Workflow Orchestrator module", function () {
   // Mocking bullmq, however, would make the tests close to useless, so we can keep them very minimal and serve as smoke tests.
   describe("Scheduled workflows", () => {
     it("should execute a scheduled workflow", async () => {
-      const spy = createScheduled("standard")
-      await setTimeout(3100)
-      expect(spy).toHaveBeenCalledTimes(3)
+      const wait = times(2)
+      const spy = createScheduled("standard", wait.next)
+
+      await wait.promise
+      expect(spy).toHaveBeenCalledTimes(2)
+      WorkflowManager.unregister("standard")
     })
 
     it("should stop executions after the set number of executions", async () => {
-      const spy = await createScheduled("num-executions", {
+      const wait = times(2)
+      const spy = await createScheduled("num-executions", wait.next, {
         cron: "* * * * * *",
         numberOfExecutions: 2,
       })
-      await setTimeout(3100)
+
+      await wait.promise
       expect(spy).toHaveBeenCalledTimes(2)
+
+      // Make sure that on the next tick it doesn't execute again
+      await setTimeout(1100)
+      expect(spy).toHaveBeenCalledTimes(2)
+
+      WorkflowManager.unregister("num-execution")
     })
 
     it("should remove scheduled workflow if workflow no longer exists", async () => {
+      const wait = times(1)
       const logger = sharedContainer_.resolve<Logger>(
         ContainerRegistrationKeys.LOGGER
       )
 
-      const spy = await createScheduled("remove-scheduled", {
+      const spy = await createScheduled("remove-scheduled", wait.next, {
         cron: "* * * * * *",
       })
       const logSpy = jest.spyOn(logger, "warn")
 
-      await setTimeout(1100)
+      await wait.promise
       expect(spy).toHaveBeenCalledTimes(1)
-
       WorkflowManager["workflows"].delete("remove-scheduled")
 
       await setTimeout(1100)
@@ -389,19 +419,23 @@ describe("Workflow Orchestrator module", function () {
     })
 
     it("the scheduled workflow should have access to the shared container", async () => {
+      const wait = times(1)
       sharedContainer_.register(
         "test-value",
         asFunction(() => "test")
       )
 
-      const spy = await createScheduled("shared-container-job", {
+      const spy = await createScheduled("shared-container-job", wait.next, {
         cron: "* * * * * *",
       })
-      await setTimeout(1100)
+
+      await wait.promise
       expect(spy).toHaveBeenCalledTimes(1)
+
       expect(spy).toHaveReturnedWith(
         expect.objectContaining({ output: { testValue: "test" } })
       )
+      WorkflowManager.unregister("shared-container-job")
     })
   })
 })