fix: test setup

refactor: change let to const

Co-Authored by Thakur Karthik<[email protected]>

__e2e__/cli.test.js

@@ -10,14 +10,14 @@ test('shows up help if no arguments were passed', () => {
 
 test('show up help information on passing in the respective options', () => {
   ['-h', '--help'].forEach(op => {
-    let { stdout } = run([op]);
+    const { stdout } = run([op]);
     expect(stdout).toMatchSnapshot();
   });
 });
 
 test('show up CLI version information', () => {
   ['-V', '--version'].forEach(op => {
-    let { stdout } = run([op]);
+    const { stdout } = run([op]);
     expect(stdout).toMatchSnapshot();
   });
 });
@@ -41,4 +41,4 @@ test('warns the user if an unknown command is passed', () => {
 test('suggests the matching command if the user makes a typo', () => {
   const { stdout } = run(['ini']);
   expect(stdout).toMatchSnapshot();
-});
+});

__e2e__/commands/__snapshots__/info.test.js.snap

@@ -0,0 +1,18 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`mevn info 1`] = `
+"
+Environment Info:
+
+  System:
+    OS: Linux 5.0 Ubuntu 19.04 (Disco Dingo)
+    CPU: (2) x64 Intel(R) Pentium(R) CPU G2020 @ 2.90GHz
+  Binaries:
+    Node: 12.8.0 - /usr/local/bin/node
+    Yarn: 1.13.0 - /usr/local/bin/yarn
+    npm: 6.13.1 - /usr/local/bin/npm
+  Browsers:
+    Chrome: 79.0.3945.88
+    Firefox: 71.0
+"
+`;

__e2e__/commands/info.test.js

@@ -0,0 +1,8 @@
+'use strict';
+
+import { run } from '../../jest/helpers';
+
+test('mevn info', async () => {
+  const { stdout } = await run(['info']);
+  expect(stdout).toMatchSnapshot();
+});

jest.config.js

@@ -6,7 +6,7 @@ module.exports = {
       ...common,
       displayName: 'e2e',
       setupFiles: ['<rootDir>/jest/setupE2eTests.js'],
-      testMatch: ['<rootDir>/**/__e2e__/*{.,-}test.js'],
+      testMatch: ['<rootDir>/__e2e__/**/*.test.js'],
     }
   ],
 };

jest/helpers.js

@@ -1,8 +1,13 @@
 'use strict';
 
+import 'babel-polyfill';
 import execa from 'execa';
 import path from 'path';
 
 const CLI_PATH = path.resolve(process.cwd(), 'bin', 'mevn.js');
 
+// sync version
 export const run = args => execa.sync(CLI_PATH, args);
+
+// async version
+export const runAsync = async args => await execa(CLI_PATH, args);

package.json

@@ -28,7 +28,7 @@
     }
   },
   "lint-staged": {
-    "*.js": "npm run lint"
+    "src/**/*.js": "npm run lint"
   },
   "repository": {
     "type": "git",