From 11dfb8e869d425204512b250b00ef71ed85a14cc Mon Sep 17 00:00:00 2001
From: Dan Finlay <somniac@me.com>
Date: Mon, 25 Jul 2016 16:42:39 -0700
Subject: [PATCH] Ui testing (#481)

* Add UI Testing Framework and Simple UI Test

Added a Testem configuration that launches a Qunit page with an iFrame that builds and loads our mock-dev page and can interact with it and run tests on it.

Wrote a simple test that accepts the terms and conditions and transitions to the next page.

I am not doing any fancy redux-hooks for the async waiting, I've simply added a `tests/integration/helpers.js` file with a `wait()` function that returns a promise that should wait long enough.

Long term we should hook into the app lifecycle by some means for testing, so we only wait the right amount of time, and wait long enough for slower processes to complete, but this may work for the time being, just enough to run some basic automated browser tests.

* Separate UI tests from normal unit test suite

* Add UI tests to CI test script

* Add testem and phantom to circleCI pre-script

* Fix circle pre script

* Move pre scripts to dependencies key

* Remove phantom from build deps

* Fix testem runner page

* Add promise polyfill for PhantomJS

* Skip PhantomJS in testem

* Run browser tests in parallel

* Fix promise usage?

* Correct skip usage
---
 .gitignore                           |  1 +
 circle.yml                           |  3 +++
 package.json                         | 10 +++++++---
 test/integration/helpers.js          |  7 +++++++
 test/integration/index.html          | 22 ++++++++++++++++++++++
 test/integration/jquery-3.1.0.min.js |  4 ++++
 test/integration/tests.js            | 21 +++++++++++++++++++++
 testem.yml                           |  9 +++++++++
 8 files changed, 74 insertions(+), 3 deletions(-)
 create mode 100644 test/integration/helpers.js
 create mode 100644 test/integration/index.html
 create mode 100644 test/integration/jquery-3.1.0.min.js
 create mode 100644 test/integration/tests.js
 create mode 100644 testem.yml

diff --git a/.gitignore b/.gitignore
index f9706dd09..689cc3240 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,4 @@ package
 builds/
 notes.txt
 app/.DS_Store
+development/bundle.js
diff --git a/circle.yml b/circle.yml
index 1db357f91..ccb5fa120 100644
--- a/circle.yml
+++ b/circle.yml
@@ -1,3 +1,6 @@
 machine:
   node:
     version: 6.0.0
+dependencies:
+  pre:
+    - "npm i -g testem"
diff --git a/package.json b/package.json
index eb3a3b09e..ef570fb94 100644
--- a/package.json
+++ b/package.json
@@ -5,10 +5,13 @@
   "private": true,
   "scripts": {
     "start": "gulp dev",
-    "test": "mocha --require test/helper.js --compilers js:babel-register --recursive",
-    "watch": "mocha watch --compilers js:babel-register --recursive",
+    "test": "mocha --require test/helper.js --compilers js:babel-register --recursive \"test/unit/**/*.js\" && npm run ci",
+    "watch": "mocha watch --compilers js:babel-register --recursive \"test/unit/**/*.js\"",
     "ui": "node development/genStates.js && beefy ui-dev.js:bundle.js --live --open --index=./development/index.html --cwd ./",
-    "mock": "beefy mock-dev.js:bundle.js --live --open --index=./development/index.html --cwd ./"
+    "mock": "beefy mock-dev.js:bundle.js --live --open --index=./development/index.html --cwd ./",
+    "buildMock": "browserify ./mock-dev.js -o ./development/bundle.js",
+    "testem": "npm run buildMock && testem",
+    "ci": "npm run buildMock && testem ci -P 2"
   },
   "browserify": {
     "transform": [
@@ -96,6 +99,7 @@
     "mocha-jsdom": "^1.1.0",
     "mocha-sinon": "^1.1.5",
     "qs": "^6.2.0",
+    "qunit": "^0.9.1",
     "sinon": "^1.17.3",
     "tape": "^4.5.1",
     "uglifyify": "^3.0.1",
diff --git a/test/integration/helpers.js b/test/integration/helpers.js
new file mode 100644
index 000000000..95c36017a
--- /dev/null
+++ b/test/integration/helpers.js
@@ -0,0 +1,7 @@
+function wait() {
+  return new Promise(function(resolve, reject) {
+    setTimeout(function() {
+      resolve()
+    }, 500)
+  })
+}
diff --git a/test/integration/index.html b/test/integration/index.html
new file mode 100644
index 000000000..6de40b046
--- /dev/null
+++ b/test/integration/index.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <meta name="viewport" content="width=device-width">
+  <title>QUnit Example</title>
+  <link rel="stylesheet" href="https://code.jquery.com/qunit/qunit-2.0.0.css">
+</head>
+<body>
+  <div id="qunit"></div>
+  <div id="qunit-fixture"></div>
+  <script src="https://code.jquery.com/qunit/qunit-2.0.0.js"></script>
+  <script src="./jquery-3.1.0.min.js"></script>
+  <script src="helpers.js"></script>
+  <script src="tests.js"></script>
+  <script src="/testem.js"></script>
+
+  <iframe src="/development/index.html" height="500px" width="360px">
+    <p>Your browser does not support iframes</p>
+  </iframe>
+</body>
+</html>
diff --git a/test/integration/jquery-3.1.0.min.js b/test/integration/jquery-3.1.0.min.js
new file mode 100644
index 000000000..f6a6a99e6
--- /dev/null
+++ b/test/integration/jquery-3.1.0.min.js
@@ -0,0 +1,4 @@
+/*! jQuery v3.1.0 | (c) jQuery Foundation | jquery.org/license */
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diff --git a/test/integration/tests.js b/test/integration/tests.js
new file mode 100644
index 000000000..a3f3cd294
--- /dev/null
+++ b/test/integration/tests.js
@@ -0,0 +1,21 @@
+QUnit.test('agree to terms', function (assert) {
+  var done = assert.async()
+
+  // Select the mock app root
+  var app = $('iframe').contents().find('#app-content .mock-app-root')
+
+  // Agree to terms
+  app.find('button').click()
+
+  // Wait for view to transition:
+  wait().then(function() {
+
+    var title = app.find('h1').text()
+    assert.equal(title, 'MetaMask', 'title screen')
+
+    var buttons = app.find('button')
+    assert.equal(buttons.length, 2, 'two buttons: create and restore')
+
+    done()
+  })
+})
diff --git a/testem.yml b/testem.yml
new file mode 100644
index 000000000..7923a2929
--- /dev/null
+++ b/testem.yml
@@ -0,0 +1,9 @@
+launch_in_dev:
+  - Chrome
+  - Firefox
+launch_in_ci:
+  - Chrome
+  - Firefox
+framework:
+  - qunit
+test_page: "test/integration/index.html"