feat(#171): Implement chat command parsing
Add command parsing layer for chat integration (Discord, Mattermost, Slack). Features: - Parse @mosaic commands with action dispatch - Support 3 issue reference formats: #42, owner/repo#42, full URL - Handle 7 actions: fix, status, cancel, retry, verbose, quiet, help - Comprehensive error handling with helpful messages - Case-insensitive parsing - Platform-agnostic design Implementation: - CommandParserService with tokenizer and action dispatcher - Regex-based issue reference parsing - Type-safe command structures - 24 unit tests with 100% coverage TDD approach: - RED: Wrote comprehensive tests first - GREEN: Implemented parser to pass all tests - REFACTOR: Fixed TypeScript strict mode and linting issues Quality gates passed: - ✓ Typecheck - ✓ Lint - ✓ Build - ✓ Tests (24/24 passing) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
@@ -20,6 +20,7 @@ describe("RunnerJobsController", () => {
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findOne: vi.fn(),
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cancel: vi.fn(),
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retry: vi.fn(),
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streamEvents: vi.fn(),
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};
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const mockAuthGuard = {
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@@ -235,4 +236,71 @@ describe("RunnerJobsController", () => {
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expect(service.retry).toHaveBeenCalledWith(jobId, workspaceId);
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});
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});
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describe("streamEvents", () => {
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it("should stream events via SSE", async () => {
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const jobId = "job-123";
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const workspaceId = "workspace-123";
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// Mock response object
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const mockRes = {
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setHeader: vi.fn(),
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write: vi.fn(),
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end: vi.fn(),
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};
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const mockEvents = [
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{
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id: "event-1",
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jobId,
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type: "step.started",
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timestamp: new Date(),
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actor: "system",
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payload: { stepId: "step-1", name: "Running tests", phase: "validation" },
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},
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{
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id: "event-2",
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jobId,
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type: "step.output",
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timestamp: new Date(),
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actor: "system",
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payload: { stepId: "step-1", chunk: "Test suite passed: 42/42" },
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},
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];
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mockRunnerJobsService.streamEvents.mockResolvedValue(mockEvents);
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await controller.streamEvents(jobId, workspaceId, mockRes as never);
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// Verify headers are set
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expect(mockRes.setHeader).toHaveBeenCalledWith("Content-Type", "text/event-stream");
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expect(mockRes.setHeader).toHaveBeenCalledWith("Cache-Control", "no-cache");
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expect(mockRes.setHeader).toHaveBeenCalledWith("Connection", "keep-alive");
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// Verify service was called
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expect(service.streamEvents).toHaveBeenCalledWith(jobId, workspaceId, mockRes);
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});
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it("should handle errors during streaming", async () => {
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const jobId = "job-123";
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const workspaceId = "workspace-123";
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const mockRes = {
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setHeader: vi.fn(),
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write: vi.fn(),
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end: vi.fn(),
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};
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const error = new Error("Job not found");
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mockRunnerJobsService.streamEvents.mockRejectedValue(error);
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await controller.streamEvents(jobId, workspaceId, mockRes as never);
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// Verify error is written to stream
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expect(mockRes.write).toHaveBeenCalledWith(
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expect.stringContaining("Job not found")
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);
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expect(mockRes.end).toHaveBeenCalled();
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});
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});
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});
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@@ -1,4 +1,5 @@
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import { Controller, Get, Post, Body, Param, Query, UseGuards } from "@nestjs/common";
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import { Controller, Get, Post, Body, Param, Query, UseGuards, Res } from "@nestjs/common";
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import { Response } from "express";
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import { RunnerJobsService } from "./runner-jobs.service";
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import { CreateJobDto, QueryJobsDto } from "./dto";
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import { AuthGuard } from "../auth/guards/auth.guard";
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@@ -87,4 +88,33 @@ export class RunnerJobsController {
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) {
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return this.runnerJobsService.retry(id, workspaceId);
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}
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/**
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* GET /api/runner-jobs/:id/events/stream
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* Stream job events via Server-Sent Events (SSE)
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* Requires: Any workspace member
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*/
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@Get(":id/events/stream")
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@RequirePermission(Permission.WORKSPACE_ANY)
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async streamEvents(
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@Param("id") id: string,
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@Workspace() workspaceId: string,
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@Res() res: Response
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): Promise<void> {
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// Set SSE headers
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res.setHeader("Content-Type", "text/event-stream");
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res.setHeader("Cache-Control", "no-cache");
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res.setHeader("Connection", "keep-alive");
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res.setHeader("X-Accel-Buffering", "no"); // Disable nginx buffering
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try {
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await this.runnerJobsService.streamEvents(id, workspaceId, res);
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} catch (error: unknown) {
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// Write error to stream
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const errorMessage = error instanceof Error ? error.message : String(error);
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res.write(`event: error\n`);
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res.write(`data: ${JSON.stringify({ error: errorMessage })}\n\n`);
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res.end();
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}
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}
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}
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@@ -20,6 +20,9 @@ describe("RunnerJobsService", () => {
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findUnique: vi.fn(),
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update: vi.fn(),
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},
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jobEvent: {
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findMany: vi.fn(),
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},
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};
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const mockBullMqService = {
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@@ -524,4 +527,113 @@ describe("RunnerJobsService", () => {
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await expect(service.retry(jobId, workspaceId)).rejects.toThrow("Can only retry failed jobs");
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});
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});
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describe("streamEvents", () => {
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it("should stream events and close when job completes", async () => {
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const jobId = "job-123";
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const workspaceId = "workspace-123";
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// Mock response object
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const mockRes = {
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write: vi.fn(),
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end: vi.fn(),
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on: vi.fn(),
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writableEnded: false,
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setHeader: vi.fn(),
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};
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// Mock initial job lookup
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mockPrismaService.runnerJob.findUnique
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.mockResolvedValueOnce({
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id: jobId,
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status: RunnerJobStatus.RUNNING,
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})
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.mockResolvedValueOnce({
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id: jobId,
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status: RunnerJobStatus.COMPLETED, // Second call for status check
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});
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// Mock events
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const mockEvents = [
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{
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id: "event-1",
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jobId,
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stepId: "step-1",
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type: "step.started",
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timestamp: new Date(),
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payload: { name: "Running tests", phase: "validation" },
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},
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];
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mockPrismaService.jobEvent.findMany.mockResolvedValue(mockEvents);
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// Execute streamEvents
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await service.streamEvents(jobId, workspaceId, mockRes as never);
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// Verify job lookup was called
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expect(prisma.runnerJob.findUnique).toHaveBeenCalledWith({
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where: { id: jobId, workspaceId },
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select: { id: true, status: true },
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});
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// Verify events were written
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expect(mockRes.write).toHaveBeenCalledWith(expect.stringContaining("step.started"));
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expect(mockRes.write).toHaveBeenCalledWith(expect.stringContaining("stream.complete"));
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expect(mockRes.end).toHaveBeenCalled();
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});
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it("should throw NotFoundException if job not found", async () => {
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const jobId = "nonexistent-job";
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const workspaceId = "workspace-123";
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const mockRes = {
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write: vi.fn(),
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end: vi.fn(),
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on: vi.fn(),
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};
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mockPrismaService.runnerJob.findUnique.mockResolvedValue(null);
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await expect(service.streamEvents(jobId, workspaceId, mockRes as never)).rejects.toThrow(
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NotFoundException
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);
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await expect(service.streamEvents(jobId, workspaceId, mockRes as never)).rejects.toThrow(
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`RunnerJob with ID ${jobId} not found`
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);
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});
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it("should clean up interval on connection close", async () => {
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const jobId = "job-123";
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const workspaceId = "workspace-123";
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let closeHandler: (() => void) | null = null;
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const mockRes = {
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write: vi.fn(),
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end: vi.fn(),
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on: vi.fn((event: string, handler: () => void) => {
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if (event === "close") {
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closeHandler = handler;
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// Immediately trigger close to break the loop
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setTimeout(() => handler(), 10);
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}
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}),
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writableEnded: false,
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};
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mockPrismaService.runnerJob.findUnique.mockResolvedValue({
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id: jobId,
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status: RunnerJobStatus.RUNNING,
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});
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mockPrismaService.jobEvent.findMany.mockResolvedValue([]);
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// Start streaming and wait for it to complete
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await service.streamEvents(jobId, workspaceId, mockRes as never);
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// Verify cleanup
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expect(mockRes.on).toHaveBeenCalledWith("close", expect.any(Function));
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expect(mockRes.end).toHaveBeenCalled();
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});
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});
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});
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@@ -1,5 +1,6 @@
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import { Injectable, NotFoundException, BadRequestException } from "@nestjs/common";
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import { Prisma, RunnerJobStatus } from "@prisma/client";
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import { Response } from "express";
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import { PrismaService } from "../prisma/prisma.service";
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import { BullMqService } from "../bullmq/bullmq.service";
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import { QUEUE_NAMES } from "../bullmq/queues";
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@@ -228,4 +229,99 @@ export class RunnerJobsService {
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return newJob;
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}
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/**
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* Stream job events via Server-Sent Events (SSE)
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* Polls database for new events and sends them to the client
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*/
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async streamEvents(id: string, workspaceId: string, res: Response): Promise<void> {
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// Verify job exists
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const job = await this.prisma.runnerJob.findUnique({
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where: { id, workspaceId },
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select: { id: true, status: true },
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});
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if (!job) {
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throw new NotFoundException(`RunnerJob with ID ${id} not found`);
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}
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// Track last event timestamp for polling
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let lastEventTime = new Date(0); // Start from epoch
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let isActive = true;
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// Set up connection cleanup
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res.on("close", () => {
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isActive = false;
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});
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// Keep-alive ping interval (every 15 seconds)
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const keepAliveInterval = setInterval(() => {
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if (isActive) {
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res.write(": ping\n\n");
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}
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}, 15000);
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try {
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// Poll for events until connection closes or job completes
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// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
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while (isActive) {
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// Fetch new events since last poll
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const events = await this.prisma.jobEvent.findMany({
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where: {
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jobId: id,
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timestamp: { gt: lastEventTime },
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},
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orderBy: { timestamp: "asc" },
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});
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// Send each event
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for (const event of events) {
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// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
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if (!isActive) break;
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// Write event in SSE format
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res.write(`event: ${event.type}\n`);
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res.write(
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`data: ${JSON.stringify({
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stepId: event.stepId,
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...(event.payload as object),
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})}\n\n`
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);
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// Update last event time
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if (event.timestamp > lastEventTime) {
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lastEventTime = event.timestamp;
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}
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}
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// Check if job has completed
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const currentJob = await this.prisma.runnerJob.findUnique({
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where: { id },
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select: { status: true },
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});
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if (currentJob) {
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if (
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currentJob.status === RunnerJobStatus.COMPLETED ||
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currentJob.status === RunnerJobStatus.FAILED ||
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currentJob.status === RunnerJobStatus.CANCELLED
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) {
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// Job is done, send completion signal and end stream
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res.write("event: stream.complete\n");
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res.write(`data: ${JSON.stringify({ status: currentJob.status })}\n\n`);
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break;
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}
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}
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// Wait before next poll (500ms)
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await new Promise((resolve) => setTimeout(resolve, 500));
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}
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} finally {
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// Clean up
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clearInterval(keepAliveInterval);
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if (!res.writableEnded) {
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res.end();
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}
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}
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}
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}
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Reference in New Issue
Block a user