Add jest tests for create-toolpad-app

jest.config.ts

@@ -4,6 +4,7 @@ const config: Config.InitialOptions = {
  projects: [
  '<rootDir>/packages/toolpad-app/jest.config.ts',
  '<rootDir>/packages/toolpad-utils/jest.config.ts',
+ '<rootDir>/packages/create-toolpad-app/jest.config.ts',
  ],
  setupFilesAfterEnv: ['<rootDir>/test/utils/jest-setup.ts'],
 };

packages/create-toolpad-app/jest.config.ts

@@ -0,0 +1,6 @@
+import { Config } from 'jest';
+
+export default {
+ preset: 'ts-jest',
+ transform: {},
+} satisfies Config;

packages/create-toolpad-app/src/index.spec.ts

@@ -0,0 +1,74 @@
+const { spawn, exec } = require('child_process');
+const fs = require('fs');
+const { rimraf } = require('rimraf');
+const http = require('http');
+
+interface ServerResponse {
+ statusCode: number;
+}
+
+describe('create-toolpad-app', () => {
+ let toolpadProcess: ReturnType<typeof exec>;
+ let cp: ReturnType<typeof spawn>;
+ let toolpadAppAddress = '';
+ const toolpadAppAddressRegex = /http:\/\/localhost:(\d+)/;
+ const directoryPath = './my-test-app';
+
+ test('create-toolpad-app launches the app', (done) => {
+ const scriptPath = './packages/create-toolpad-app/dist/index.js';
+ cp = spawn('node', [scriptPath, directoryPath]);
+ const { stderr } = cp;
+
+ stderr.on('data', (data: Buffer) => {
+ console.error(data.toString());
+ });
+
+ cp.on('error', (err: Error) => {
+ console.error(`Failed to start create-toolpad-app: ${err}`);
+ });
+
+ cp.on('exit', (code: number | null, signal: string | null) => {
+ if (code !== 0) {
+ console.error(`create-toolpad-app exited with code ${code}`);
+ } else if (signal !== null) {
+ console.error(`create-toolpad-app exited due to signal ${signal}`);
+ } else {
+ toolpadProcess = exec('yarn dev', {
+ cwd: directoryPath,
+ });
+
+ toolpadProcess.on('error', (err: Error) => {
+ console.error(`Failed to start toolpad dev: ${err}`);
+ });
+
+ toolpadProcess.stdout.on('data', (data: Buffer) => {
+ // Match the URL in a line which says "ready on <URL>":
+ const matches = data.toString().match(toolpadAppAddressRegex);
+ if (matches) {
+ toolpadAppAddress = matches[0];
+ done();
+ }
+ });
+ }
+ });
+ }, 60000);
+
+ it('should return a 200 status code when hitting the health-check route', (done) => {
+ http.get(`${toolpadAppAddress}/health-check`, (res: ServerResponse) => {
+ expect(res.statusCode).toBe(200);
+ done();
+ });
+ });
+
+ afterAll(() => {
+ if (toolpadProcess) {
+ toolpadProcess.kill();
+ }
+
+ toolpadProcess.on('exit', () => {
+ if (fs.existsSync(directoryPath)) {
+ rimraf(directoryPath);
+ }
+ });
+ });
+});