tests(generator): enhance init generator tests (#1236)

* tests(generator): enahnce init generator tests

enhance init generator tests

* tests(generator): fix docs typo

fix docs typo

* tests(init-gen): fix import in init-gen

* tests(test): use join in tests

use join

* tests(tests): add types for yeoman-assert

Co-authored-by: Rishabh Chawla <rishabh31121999@gmail.com>

Author: anshumanv

packages/generators/__tests__/init-generator.test.ts

@@ -1,7 +1,7 @@
-import { join } from 'path';
+import * as assert from 'yeoman-assert';
 import { run } from 'yeoman-test';
+import { join } from 'path';
 
-// fixme: unstable
 describe('init generator', () => {
     it('generates a webpack project config', async () => {
         const outputDir = await run(join(__dirname, '../src/init-generator')).withPrompts({
@@ -12,6 +12,16 @@ describe('init generator', () => {
             stylingType: 'No',
             useExtractPlugin: 'main',
         });
+
+        // Check that all the project files are generated with the correct name
+        const filePaths = ['package.json', 'README.md', 'src/index2.js'];
+        assert.file(filePaths.map(file => join(outputDir, file)));
+
+        // Check generated file contents
+        assert.fileContent(join(outputDir, 'package.json'), '"name": "my-webpack-project"');
+        assert.fileContent(join(outputDir, 'README.md'), 'Welcome to your new awesome project!');
+        assert.fileContent(join(outputDir, 'src', 'index2.js'), 'console.log("Hello World from your main file!");');
+
         const output = require(join(outputDir, '.yo-rc.json'));
         // eslint-disable-next-line @typescript-eslint/no-explicit-any
         const config = (Object.entries(output)[0][1] as any).configuration.config.webpackOptions;

packages/generators/package.json

@@ -35,12 +35,12 @@
     "@types/mkdirp": "0.5.2",
     "@types/node": "12.7.2",
     "@types/webpack-dev-server": "3.1.7",
+    "@types/yeoman-assert": "^3.1.1",
     "@types/yeoman-generator": "3.1.4",
     "@types/yeoman-test": "2.0.3",
-    "@types/yeoman-assert": "^3.1.1",
     "typescript": "3.5.3",
-    "yeoman-test": "2.1.0",
-    "yeoman-assert": "^3.1.1"
+    "yeoman-assert": "^3.1.1",
+    "yeoman-test": "2.1.0"
   },
   "scripts": {
     "build": "tsc",