test: add end-to-end generator test with tsc --noEmit validation

Author: dmitriyeff

src/generators/node/index.test.ts

@@ -0,0 +1,67 @@
+import { afterEach, describe, expect, it } from 'vitest';
+import { pathExists, remove } from 'fs-extra';
+import { join } from 'path';
+import { tmpdir } from 'os';
+import { execSync } from 'child_process';
+import { nodeGenerator } from './index.js';
+import type { GeneratorOptions } from '../interface.js';
+
+const tmpDir = join(tmpdir(), 'cpa-e2e-test');
+
+afterEach(async () => {
+  await remove(tmpDir);
+});
+
+const fullOptions: GeneratorOptions = {
+  projectName: 'test-app',
+  database: 'postgres',
+  webhooks: true,
+  appExtensions: ['custom-panel', 'custom-modal'],
+};
+
+const minimalOptions: GeneratorOptions = {
+  projectName: 'test-app',
+  database: 'sqlite',
+  webhooks: false,
+  appExtensions: [],
+};
+
+describe('nodeGenerator', () => {
+  it('generates all expected files for full options', async () => {
+    await nodeGenerator.generate(tmpDir, fullOptions);
+
+    const expectedFiles = [
+      'src/index.ts',
+      'src/app.ts',
+      'src/oauth/index.ts',
+      'src/database/index.ts',
+      'src/webhooks/index.ts',
+      'src/app-extensions/panel/index.ts',
+      'src/app-extensions/modal/index.ts',
+      'package.json',
+      'tsconfig.json',
+      '.env.example',
+      'docker-compose.yml',
+    ];
+
+    for (const file of expectedFiles) {
+      expect(await pathExists(join(tmpDir, file)), `Missing: ${file}`).toBe(true);
+    }
+  });
+
+  it('omits conditional files for minimal options', async () => {
+    await nodeGenerator.generate(tmpDir, minimalOptions);
+
+    expect(await pathExists(join(tmpDir, 'src/webhooks/index.ts'))).toBe(false);
+    expect(await pathExists(join(tmpDir, 'src/app-extensions'))).toBe(false);
+    expect(await pathExists(join(tmpDir, 'docker-compose.yml'))).toBe(false);
+  });
+
+  it('generated project passes tsc --noEmit', async () => {
+    await nodeGenerator.generate(tmpDir, fullOptions);
+    execSync('npm install', { cwd: tmpDir, stdio: 'pipe' });
+    expect(() => {
+      execSync('npx tsc --noEmit', { cwd: tmpDir, stdio: 'pipe' });
+    }).not.toThrow();
+  }, 60_000);
+});