Add tests for each type of entry option

Author: mikegreiling

test/Entry.test.js

@@ -2,8 +2,51 @@
 
 const assert = require('assert');
 const addDevServerEntrypoints = require('../lib/util/addDevServerEntrypoints');
+const config = require('./fixtures/simple-config/webpack.config');
 
 describe('Entry', () => {
+  it('adds devServer entry points to a single entry point', () => {
+    const webpackOptions = Object.assign({}, config);
+    const devServerOptions = {};
+
+    addDevServerEntrypoints(webpackOptions, devServerOptions);
+
+    assert.equal(webpackOptions.entry.length, 2);
+    assert(webpackOptions.entry[0].indexOf('client/index.js?') !== -1);
+    assert.equal(webpackOptions.entry[1], './foo.js');
+  });
+
+  it('adds devServer entry points to a multi-module entry point', () => {
+    const webpackOptions = Object.assign({}, config, {
+      entry: ['./foo.js', './bar.js']
+    });
+    const devServerOptions = {};
+
+    addDevServerEntrypoints(webpackOptions, devServerOptions);
+
+    assert.equal(webpackOptions.entry.length, 3);
+    assert(webpackOptions.entry[0].indexOf('client/index.js?') !== -1);
+    assert.equal(webpackOptions.entry[1], './foo.js');
+    assert.equal(webpackOptions.entry[2], './bar.js');
+  });
+
+  it('adds devServer entry points to a multi entry point object', () => {
+    const webpackOptions = Object.assign({}, config, {
+      entry: {
+        foo: './foo.js',
+        bar: './bar.js'
+      }
+    });
+    const devServerOptions = {};
+
+    addDevServerEntrypoints(webpackOptions, devServerOptions);
+
+    assert.equal(webpackOptions.entry.foo.length, 2);
+    assert(webpackOptions.entry.foo[0].indexOf('client/index.js?') !== -1);
+    assert.equal(webpackOptions.entry.foo[1], './foo.js');
+    assert.equal(webpackOptions.entry.bar[1], './bar.js');
+  });
+
   it('defaults to src if no entry point is given', () => {
     const webpackOptions = {};
     const devServerOptions = {};