chore(): Reorganize modules (#7210)
**What** Move all modules to the modules directory
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Adrien de Peretti
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GitHub
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import { Queue, Worker } from "bullmq"
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import { MockManager } from "medusa-test-utils"
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import RedisEventBusService from "../event-bus-redis"
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jest.genMockFromModule("bullmq")
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jest.genMockFromModule("ioredis")
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jest.mock("bullmq")
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jest.mock("ioredis")
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const loggerMock = {
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info: jest.fn().mockReturnValue(console.log),
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warn: jest.fn().mockReturnValue(console.log),
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error: jest.fn().mockReturnValue(console.log),
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}
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const simpleModuleOptions = { redisUrl: "test-url" }
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const moduleDeps = {
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manager: MockManager,
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logger: loggerMock,
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eventBusRedisConnection: {},
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}
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describe("RedisEventBusService", () => {
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let eventBus
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describe("constructor", () => {
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beforeAll(() => {
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jest.clearAllMocks()
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})
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it("Creates a queue + worker", () => {
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eventBus = new RedisEventBusService(moduleDeps, simpleModuleOptions, {
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resources: "shared",
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})
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expect(Queue).toHaveBeenCalledTimes(1)
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expect(Queue).toHaveBeenCalledWith("events-queue", {
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connection: expect.any(Object),
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prefix: "RedisEventBusService",
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})
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expect(Worker).toHaveBeenCalledTimes(1)
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expect(Worker).toHaveBeenCalledWith(
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"events-queue",
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expect.any(Function),
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{
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connection: expect.any(Object),
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prefix: "RedisEventBusService",
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}
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)
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})
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it("Throws on isolated module declaration", () => {
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try {
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eventBus = new RedisEventBusService(moduleDeps, simpleModuleOptions, {
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resources: "isolated",
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})
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} catch (error) {
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expect(error.message).toEqual(
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"At the moment this module can only be used with shared resources"
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)
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}
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})
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})
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describe("emit", () => {
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describe("Successfully emits events", () => {
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beforeEach(() => {
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jest.clearAllMocks()
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})
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it("Adds job to queue with default options", () => {
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eventBus = new RedisEventBusService(moduleDeps, simpleModuleOptions, {
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resources: "shared",
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})
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eventBus.queue_.addBulk.mockImplementationOnce(() => "hi")
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eventBus.emit("eventName", { hi: "1234" })
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expect(eventBus.queue_.addBulk).toHaveBeenCalledTimes(1)
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expect(eventBus.queue_.addBulk).toHaveBeenCalledWith([
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{
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name: "eventName",
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data: { eventName: "eventName", data: { hi: "1234" } },
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opts: {
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attempts: 1,
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removeOnComplete: true,
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},
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},
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])
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})
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it("Adds job to queue with custom options passed directly upon emitting", () => {
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eventBus = new RedisEventBusService(moduleDeps, simpleModuleOptions, {
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resources: "shared",
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})
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eventBus.queue_.addBulk.mockImplementationOnce(() => "hi")
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eventBus.emit(
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"eventName",
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{ hi: "1234" },
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{ attempts: 3, backoff: 5000, delay: 1000 }
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)
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expect(eventBus.queue_.addBulk).toHaveBeenCalledTimes(1)
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expect(eventBus.queue_.addBulk).toHaveBeenCalledWith([
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{
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name: "eventName",
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data: { eventName: "eventName", data: { hi: "1234" } },
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opts: {
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attempts: 3,
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backoff: 5000,
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delay: 1000,
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removeOnComplete: true,
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},
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},
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])
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})
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it("Adds job to queue with module job options", () => {
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eventBus = new RedisEventBusService(
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moduleDeps,
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{
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...simpleModuleOptions,
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jobOptions: {
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removeOnComplete: {
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age: 5,
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},
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attempts: 7,
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},
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},
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{
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resources: "shared",
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}
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)
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eventBus.queue_.addBulk.mockImplementationOnce(() => "hi")
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eventBus.emit("eventName", { hi: "1234" })
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expect(eventBus.queue_.addBulk).toHaveBeenCalledTimes(1)
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expect(eventBus.queue_.addBulk).toHaveBeenCalledWith([
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{
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name: "eventName",
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data: { eventName: "eventName", data: { hi: "1234" } },
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opts: {
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attempts: 7,
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removeOnComplete: {
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age: 5,
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},
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},
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},
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])
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})
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it("Adds job to queue with default, local, and global options merged", () => {
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eventBus = new RedisEventBusService(
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moduleDeps,
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{
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...simpleModuleOptions,
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jobOptions: {
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removeOnComplete: 5,
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},
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},
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{
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resources: "shared",
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}
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)
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eventBus.queue_.addBulk.mockImplementationOnce(() => "hi")
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eventBus.emit("eventName", { hi: "1234" }, { delay: 1000 })
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expect(eventBus.queue_.addBulk).toHaveBeenCalledTimes(1)
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expect(eventBus.queue_.addBulk).toHaveBeenCalledWith([
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{
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name: "eventName",
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data: { eventName: "eventName", data: { hi: "1234" } },
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opts: {
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attempts: 1,
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removeOnComplete: 5,
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delay: 1000,
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},
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},
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])
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})
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})
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})
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describe("worker_", () => {
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let result
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describe("Successfully processes the jobs", () => {
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beforeEach(async () => {
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jest.clearAllMocks()
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eventBus = new RedisEventBusService(moduleDeps, simpleModuleOptions, {
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resources: "shared",
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})
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})
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it("Processes a simple event with no options", async () => {
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eventBus.subscribe("eventName", () => Promise.resolve("hi"))
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result = await eventBus.worker_({
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data: { eventName: "eventName", data: {} },
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opts: { attempts: 1 },
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})
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expect(loggerMock.info).toHaveBeenCalledTimes(1)
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expect(loggerMock.info).toHaveBeenCalledWith(
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"Processing eventName which has 1 subscribers"
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)
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expect(result).toEqual(["hi"])
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})
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it("Processes event with failing subscribers", async () => {
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eventBus.subscribe("eventName", () => Promise.resolve("hi"))
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eventBus.subscribe("eventName", () => Promise.reject("fail1"))
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eventBus.subscribe("eventName", () => Promise.resolve("hi2"))
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eventBus.subscribe("eventName", () => Promise.reject("fail2"))
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result = await eventBus.worker_({
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data: { eventName: "eventName", data: {} },
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update: (data) => data,
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opts: { attempts: 1 },
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})
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expect(loggerMock.info).toHaveBeenCalledTimes(1)
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expect(loggerMock.info).toHaveBeenCalledWith(
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"Processing eventName which has 4 subscribers"
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)
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expect(loggerMock.warn).toHaveBeenCalledTimes(3)
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expect(loggerMock.warn).toHaveBeenCalledWith(
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"An error occurred while processing eventName: fail1"
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)
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expect(loggerMock.warn).toHaveBeenCalledWith(
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"An error occurred while processing eventName: fail2"
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)
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expect(loggerMock.warn).toHaveBeenCalledWith(
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"One or more subscribers of eventName failed. Retrying is not configured. Use 'attempts' option when emitting events."
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)
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expect(result).toEqual(["hi", "fail1", "hi2", "fail2"])
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})
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it("Retries processing when subcribers fail, if configured - final attempt", async () => {
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eventBus.subscribe("eventName", async () => Promise.resolve("hi"), {
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subscriberId: "1",
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})
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eventBus.subscribe("eventName", async () => Promise.reject("fail1"), {
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subscriberId: "2",
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})
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result = await eventBus
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.worker_({
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data: {
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eventName: "eventName",
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data: {},
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completedSubscriberIds: ["1"],
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},
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attemptsMade: 2,
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update: (data) => data,
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opts: { attempts: 2 },
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})
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.catch((error) => void 0)
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expect(loggerMock.warn).toHaveBeenCalledTimes(1)
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expect(loggerMock.warn).toHaveBeenCalledWith(
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"An error occurred while processing eventName: fail1"
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)
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expect(loggerMock.info).toHaveBeenCalledTimes(2)
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expect(loggerMock.info).toHaveBeenCalledWith(
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"Final retry attempt for eventName"
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)
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expect(loggerMock.info).toHaveBeenCalledWith(
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"Retrying eventName which has 2 subscribers (1 of them failed)"
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)
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})
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it("Retries processing when subcribers fail, if configured", async () => {
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eventBus.subscribe("eventName", async () => Promise.resolve("hi"), {
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subscriberId: "1",
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})
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eventBus.subscribe("eventName", async () => Promise.reject("fail1"), {
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subscriberId: "2",
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})
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result = await eventBus
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.worker_({
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data: {
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eventName: "eventName",
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data: {},
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completedSubscriberIds: ["1"],
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},
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attemptsMade: 2,
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updateData: (data) => data,
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opts: { attempts: 3 },
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})
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.catch((err) => void 0)
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expect(loggerMock.warn).toHaveBeenCalledTimes(2)
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expect(loggerMock.warn).toHaveBeenCalledWith(
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"An error occurred while processing eventName: fail1"
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)
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expect(loggerMock.warn).toHaveBeenCalledWith(
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"One or more subscribers of eventName failed. Retrying..."
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)
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expect(loggerMock.info).toHaveBeenCalledTimes(1)
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expect(loggerMock.info).toHaveBeenCalledWith(
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"Retrying eventName which has 2 subscribers (1 of them failed)"
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)
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})
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})
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})
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})
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