test(Server): add addEntries tests

Author: hiroppy

test/Server.test.js

@@ -1,5 +1,6 @@
 'use strict';
 
+const { relative } = require('path');
 const webpack = require('webpack');
 const Server = require('../lib/Server');
 const config = require('./fixtures/simple-config/webpack.config');
@@ -16,6 +17,64 @@ const allStats = [
 ];
 
 describe('Server', () => {
+  describe('addEntries', () => {
+    it('add hot option', () => {
+      return new Promise((res) => {
+        // eslint-disable-next-line
+        const Server = require('../lib/Server');
+        const compiler = webpack(config);
+        const server = new Server(compiler, {
+          hot: true,
+        });
+
+        expect(
+          server.middleware.context.compiler.options.entry.map((p) => {
+            return relative('.', p);
+          })
+        ).toMatchSnapshot();
+        expect(
+          server.middleware.context.compiler.options.plugins
+        ).toMatchSnapshot();
+
+        compiler.hooks.done.tap('webpack-dev-server', () => {
+          server.close(() => {
+            res();
+          });
+        });
+
+        compiler.run(() => {});
+      });
+    });
+
+    it('add hotOnly option', () => {
+      return new Promise((res) => {
+        // eslint-disable-next-line
+        const Server = require('../lib/Server');
+        const compiler = webpack(config);
+        const server = new Server(compiler, {
+          hotOnly: true,
+        });
+
+        expect(
+          server.middleware.context.compiler.options.entry.map((p) => {
+            return relative('.', p);
+          })
+        ).toMatchSnapshot();
+        expect(
+          server.middleware.context.compiler.options.plugins
+        ).toMatchSnapshot();
+
+        compiler.hooks.done.tap('webpack-dev-server', () => {
+          server.close(() => {
+            res();
+          });
+        });
+
+        compiler.run(() => {});
+      });
+    });
+  });
+
   // issue: https://github.com/webpack/webpack-dev-server/issues/1724
   describe('express.static.mine.types', () => {
     beforeEach(() => {

test/__snapshots__/Server.test.js.snap

@@ -0,0 +1,39 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Server addEntries add hot option 1`] = `
+Array [
+  "client/index.js?http:/localhost",
+  "node_modules/webpack/hot/dev-server.js",
+  "foo.js",
+]
+`;
+
+exports[`Server addEntries add hot option 2`] = `
+Array [
+  HotModuleReplacementPlugin {
+    "fullBuildTimeout": 200,
+    "multiStep": undefined,
+    "options": Object {},
+    "requestTimeout": 10000,
+  },
+]
+`;
+
+exports[`Server addEntries add hotOnly option 1`] = `
+Array [
+  "client/index.js?http:/localhost",
+  "node_modules/webpack/hot/only-dev-server.js",
+  "foo.js",
+]
+`;
+
+exports[`Server addEntries add hotOnly option 2`] = `
+Array [
+  HotModuleReplacementPlugin {
+    "fullBuildTimeout": 200,
+    "multiStep": undefined,
+    "options": Object {},
+    "requestTimeout": 10000,
+  },
+]
+`;