From 05636b70f50338ac122685821f757435596245e2 Mon Sep 17 00:00:00 2001
From: Alexander Akait <4567934+alexander-akait@users.noreply.github.com>
Date: Fri, 25 Dec 2020 19:04:08 +0300
Subject: [PATCH] tests: core options for serve

---
 test/serve/basic/serve-basic.test.js | 27 +++++++++++++++++++++++++++
 test/serve/basic/webpack.config.js   |  2 +-
 2 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/test/serve/basic/serve-basic.test.js b/test/serve/basic/serve-basic.test.js
index dff4a541882..16549148b67 100644
--- a/test/serve/basic/serve-basic.test.js
+++ b/test/serve/basic/serve-basic.test.js
@@ -34,6 +34,33 @@ describe('basic serve usage', () => {
         expect(stdout).not.toContain('HotModuleReplacementPlugin');
     });
 
+    it('should work with the "--mode" option', async () => {
+        const { stderr, stdout } = await runServe([], __dirname);
+
+        expect(stderr).toBeFalsy();
+        expect(stdout).toContain('development');
+        expect(stdout).toContain('main.js');
+        expect(stdout).not.toContain('HotModuleReplacementPlugin');
+    });
+
+    it('should work with the "--mode" option #2', async () => {
+        const { stderr, stdout } = await runServe(['--mode', 'production'], __dirname);
+
+        expect(stderr).toBeFalsy();
+        expect(stdout).toContain('production');
+        expect(stdout).toContain('main.js');
+        expect(stdout).not.toContain('HotModuleReplacementPlugin');
+    });
+
+    it('should work with the "--mode" option #2', async () => {
+        const { stderr, stdout } = await runServe(['--mode', 'development'], __dirname);
+
+        expect(stderr).toBeFalsy();
+        expect(stdout).toContain('development');
+        expect(stdout).toContain('main.js');
+        expect(stdout).not.toContain('HotModuleReplacementPlugin');
+    });
+
     it('should work with flags', async () => {
         const { stderr, stdout } = await runServe(['--hot'], __dirname);
 
diff --git a/test/serve/basic/webpack.config.js b/test/serve/basic/webpack.config.js
index 39850bab850..98b22edfdc9 100644
--- a/test/serve/basic/webpack.config.js
+++ b/test/serve/basic/webpack.config.js
@@ -3,5 +3,5 @@ const WebpackCLITestPlugin = require('../../utils/webpack-cli-test-plugin');
 module.exports = {
     mode: 'development',
     devtool: false,
-    plugins: [new WebpackCLITestPlugin(['plugins'], false)],
+    plugins: [new WebpackCLITestPlugin(['mode', 'plugins'], false)],
 };