tests: added editor & editor/render tests

run/markdown-preview/editor/test/main.test.js

@@ -20,7 +20,7 @@ const supertest = require('supertest');
 
 let request, template, htmlString, markdownString, falseString;
 
-describe('Unit Tests', () => {
+describe('Editor unit tests', () => {
   before(async () => {
     const {app, buildTemplate} = require(path.join(__dirname, '..', 'main'));
     request = supertest(app);

run/markdown-preview/editor/test/render.test.js

@@ -0,0 +1,39 @@
+// Copyright 2020 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+'use strict';
+
+const assert = require('assert');
+const path = require('path');
+
+let request, service, markdown;
+
+describe('Editor renderRequest unit tests', () => {
+  before(async () => {
+    request = require(path.join(__dirname, '..', 'render'));
+    service = {url: 'https://www.google.com', isAuthenticated: false};
+    markdown = "**markdown text**";
+  });
+
+  it('can make an unauthenticated request', async () => {
+    const res = await request(service, markdown);
+    assert.deepStrictEqual(res.name, 'HTTPError');
+  })
+
+  it('can make an authenticated request with an invalid url', async () => {
+    service.isAuthenticated = true;
+    const res = await request(service, markdown);
+    assert.deepStrictEqual(res.name, 'HTTPError');
+  })
+});