Merge pull request #11 from Shulammite-Aso/ui-tests

setup jest-puppeteer for UI test

.travis.yml

@@ -0,0 +1,5 @@
+language: node_js
+node_js:
+  - '10'
+  - '12'
+pre_script: npm run build

jest-puppeteer.config.js

@@ -0,0 +1,7 @@
+module.exports = {
+    launch: {
+        headless: process.env.HEADLESS !== 'false',
+        slowMo: process.env.SLOWMO ? process.env.SLOWMO : 0,
+        devtools: true
+    }
+}

jest.config.js

@@ -0,0 +1,10 @@
+module.exports = {
+    globals: {
+      URL: "http://localhost:8080"
+    },
+    preset: "jest-puppeteer",
+    testMatch: [
+      "**/tests/**/*.test.js"
+    ],
+    verbose: true,
+  };

test/ui-tests/title.test.js

@@ -0,0 +1,14 @@
+const timeout = process.env.SLOWMO ? 60000 : 10000;
+const fs = require('fs');
+beforeAll(async () => {
+  path = fs.realpathSync('file://../index.html');
+  await page.goto('file://' + path, {waitUntil: 'domcontentloaded'});
+});
+
+describe('Title of the page', () => {
+  test('Title of the page', async () => {
+    const title = await page.title();
+    expect(title).toBe('woofmark');
+
+  }, timeout);
+});