test: add testing for CLI execution

Author: chenjiahan

packages/rstack/package.json

@@ -41,7 +41,7 @@
   "scripts": {
     "build": "rslib",
     "dev": "rslib -w",
-    "test": "echo 'pass'"
+    "test": "rs test"
   },
   "dependencies": {
     "@rsbuild/core": "catalog:",

packages/rstack/test/cli-specify-config/custom.config.ts

@@ -0,0 +1,12 @@
+import { define } from 'rstack';
+
+define.app({
+  output: {
+    filenameHash: false,
+  },
+  source: {
+    entry: {
+      index: './src/index.js',
+    },
+  },
+});

packages/rstack/test/cli-specify-config/index.test.ts

@@ -0,0 +1,17 @@
+import { readFile, rm } from 'node:fs/promises';
+import path from 'node:path';
+import { expect, test } from 'rstack/test';
+import { execCli } from '../helpers/cli.ts';
+
+const cwd = import.meta.dirname;
+
+test('should build with rstack --config', async () => {
+  await rm(path.join(cwd, 'dist'), { recursive: true, force: true });
+
+  execCli(['--config', './custom.config.ts', 'build'], {
+    cwd,
+  });
+
+  const output = await readFile(path.join(cwd, 'dist/static/js/index.js'), 'utf-8');
+  expect(output).toContain('rstack config works');
+});

packages/rstack/test/cli-specify-config/src/index.js

@@ -0,0 +1 @@
+console.log('rstack config works');

packages/rstack/test/helpers/cli.ts

@@ -0,0 +1,16 @@
+import { type ExecFileSyncOptions, execFileSync } from 'node:child_process';
+import path from 'node:path';
+
+const RSTACK_BIN_PATH = path.join(import.meta.dirname, '../../bin/rs.js');
+
+export const execCli = (args: string[], options: ExecFileSyncOptions = {}): string => {
+  const output = execFileSync(process.execPath, [RSTACK_BIN_PATH, ...args], {
+    ...options,
+    env: {
+      ...process.env,
+      ...options.env,
+    },
+  });
+
+  return output.toString();
+};

packages/rstack/test/tsconfig.json

@@ -0,0 +1,10 @@
+{
+  "extends": "../tsconfig.json",
+  "compilerOptions": {
+    "allowImportingTsExtensions": true,
+    "noEmit": true,
+    "rootDir": "..",
+    "types": ["node", "@rstest/core/globals"]
+  },
+  "include": ["./**/*.ts"]
+}

rslint.config.ts

@@ -6,7 +6,11 @@ export default defineConfig([
   {
     languageOptions: {
       parserOptions: {
-        project: ['./packages/*/tsconfig.json', './examples/*/tsconfig.json'],
+        project: [
+          './packages/*/tsconfig.json',
+          './packages/*/test/tsconfig.json',
+          './examples/*/tsconfig.json',
+        ],
       },
     },
   },