Add E2E tests using files in examples directory

* Add test file

* Unignore JS test files

* Run tests in CI

* Add test:e2e script

* Add TestCafe plugins for linting

* Add start:e2e script for E2E tests

* Install testcafe + configuration

* Serve examples at localhost using servor

.eslintrc.js

@@ -1,7 +1,7 @@
 module.exports = {
-    extends: 'eslint:recommended',
+    extends: ['eslint:recommended', 'plugin:testcafe/recommended'],
     parser: '@typescript-eslint/parser',
-    plugins: ['@typescript-eslint'],
+    plugins: ['@typescript-eslint', 'testcafe'],
     parserOptions: {
         sourceType: 'module',
     },

.gitignore

@@ -9,5 +9,4 @@
 .coverage
 .rpt2_cache
 dist
-.env
-tests/**/*.js
+.env

.testcaferc.json

@@ -0,0 +1,9 @@
+{
+    "browsers": [
+        "browserstack:[email protected]:Windows 10",
+        "browserstack:[email protected]:Windows 10"
+    ],
+    "hostname": "localhost",
+    "src": "**/*.e2e.js",
+    "appCommand": "npm run start:e2e"
+}

.travis.yml

@@ -4,6 +4,7 @@ node_js:
 script:
     - npm test
     - npm run build # ensure it builds
+    - npm run test:e2e
 after_success: 'npm run coveralls'
 branches:
     only:

README.md

@@ -190,3 +190,11 @@ Run tests:
 npm install
 npm test
 ```
+
+### E2E Tests
+
+The following runs E2E tests on the files in the examples folder.
+
+```
+npm run test:e2e
+```