Online testconf event rwd and pwa 2018

Strategy for Testing RWD & Progressive Web Apps (PWAs)
© 2015, Perfecto Mobile Ltd. All Rights Reserved.
Eran Kinsbruner
@ek121268, http://continuoustesting.blog

About Me
• Lead Technical Evangelist at Perfecto
• Blogger and Speaker
• http://mobiletestingblog.com
• https://www.infoworld.com/author/Eran-
Kinsbruner/
• 18+ Years in Development & Testing
• Author of The Digital Quality Handbook
Weekly Podcast - Testiumpod

Agenda
• Web Transformation & Trends
• RWD Testing
• PWA Definition, Motivation and Architecture
• Testing Strategy for PWA Apps
• Q & A

Cross-Browser Testing != Desktop Web Testing
There is no Web Testing vs.
Mobile Testing
• 4 out of 10 transactions today take place on multiple
devices
• 48% of users today complain that the websites they use are
not optimized for their smartphones and tablets

Mobile Capabilities in Web Browser (incomplete) – Ramping Up
CameraMic
Device AUTH
BT/BLE
Notification Network

Every Browser Has Unique Capabilities
5/30/18 6© 2015, Perfecto Mobile Ltd. All Rights Reserved.
Chrome on Windows 10 - Desktop Edge 17 on Windows 10 - Desktop

Responsive Web App – Test Plan Strategy: 6 Steps
Choose The Right
Platforms
Assure Visual Web
Pages Across
Platforms
Functionality of
Navigation Flows
and Menus
Client Side
Performance
Testing
Test Accessibility
for Mobile and
Web
Test Environment
Conditions
(Networks,
Sensors)

Coverage Methodology - Web

• Take screenshot and use Visual Checkpoint/assertion to
validate responsive aspects
Responsive Web Design (RWD) – visual validation w/ Screenshots

Progressive Web App - Definition
Progressive Web Apps (PWAs) are web applications that are regular
web pages or websites, but can appear to the user like traditional
applications or native mobile applications. The application type
attempts to combine features offered by most modern browsers with
the benefits of a mobile experience (Wikipedia)

Adoption Trend

Native Velocity & Technology Challenges
Android WebiOS

The Rise of PWAs – Challenging Native Mobile Apps
A Progressive Web App is
• Progressive - Works for every user
• Responsive - Fits any form factor
• Connectivity independent
• App-like - Feels like an app
• Safe - Served via HTTPS
• Search Friendly -allowing search engines to find it.
• Re-engageable -Support push notifications.
• Linkable - does not require complex installation
(store access)
Source :medium.com

Progressive Web App – The Offline Network Benefit
Source: VentureBeat

PWA Stats
PWA Stats: https://www.pwastats.com/

Instagram PWA

Instagram PWA on iOS
1. Login isn’t saved in between launches
2. Language change disrupts layout
3rd Party Login

Progressive Web App - Architecture
• A PWA App consists of few key components
• Manifest.Json - That's the file within the PWA that describes the app, provides metadata specific
to the app like icons, splash screens, and more
• Service Workers – A service worker is a script that your browser runs in the background, separate
from a web page, opening the door to features that don't need a web page or user interaction.
Today, service workers already include features like push notifications and background sync
Service worker push notification

Installation Process
*iOS Hybrid App (not running from Safari) vs. Android APK

PWA on iOS is Different than on Android
iOS Android
App type shortcut apk
Offline data Deleted after idle time No limit
Offline storage (browser based) Safari < 50Mb Chrome 6% available storage
Sensors support Limited (BT) All
access to private information No Yes
Payment system No supported Supported
Voice support No Yes

PWA Test Strategy

Responsive Web App – Test Plan Strategy: 6 Steps
Choose The Right
Platforms
Assure Visual Web
Pages Across
Platforms
Functionality of
Navigation Flows
and Menus
Client Side
Performance
Testing
Test Accessibility
for Mobile and
Web
Test Environment
Conditions
(Networks,
Sensors)

Progressive Web App – Test Plan Strategy: 6 Steps
Validate PWA
Manifest
Validate PWA
Service Workers
Validate PWA
Specific
Capabilities
Properly Test
Across Platforms
(RWD)
Test Automation
and Object
Identification
Strategy
Google’s PWA
Checklist
Compliance
RWD Testing Strategy And 

Progressive Web App – Test Plan Strategy: Step 1
icons, splash screen, start URL, background colors, display type, initial orientation and
theme colors, are correctly working and visually properly displayed across browsers

Validate PWA
Service
Workers

• Test the SW registration
• Test SW install and update functionality
• Test the various SWs Start/Stop/Registration
• chrome://serviceworker-internals/
• chrome://inspect/#service-workers
if ('serviceWorker' in navigator) {
window.addEventListener('load', function() {
navigator.serviceWorker.register('/sw.js').then(function(registration) {
// Registration was successful
console.log('ServiceWorker registration successful with scope: ', registration.scope);
}, function(err) {
// registration failed :(
console.log('ServiceWorker registration failed: ', err);
});
});
}
var CACHE_NAME = 'my-site-cache-v1';
var urlsToCache = [
'/',
'/styles/main.css',
'/script/main.js'
];
self.addEventListener('install', function(event) {
// Perform install steps
event.waitUntil(
caches.open(CACHE_NAME)
.then(function(cache) {
console.log('Opened cache');
return cache.addAll(urlsToCache);
})
);
});
Validate PWA
Service
Workers

• Sensors, Camera, Location capabilities, Push Notification, must be tested across mobile and web respectively
• PWA vs. Native: Instances, icons, functionality, Gestures
6/19/2018
Google Maps Force Touch (Native App) Google Maps Native vs. PWA ICONS Google Maps PWA Location Prompt
Validate PWA
Specific
Capabilities

• UI and visual/layout testing across multiple form factors
• Performance and rendering of the content across platforms
• Network related testing – in addition to the offline mode that is covered through service workers,
make sure to cover the app behavior throughout various network conditions (packet loss, flight
mode, latency %, 3G, 4G, 5G etc.)
• Functionality of the entire page user flows across platforms and screen sizes and resolutions
• The differences between browsers, platforms must be covered as well (Chrome, Safari, Android,
Samsung Browser vs. built-in browsers like Facebook - number of instances or copies a PWA app
can have on a device.
Properly Test
Across Platforms
(RWD)

Object
Identification
Strategy
Interact with WebView Elements within the PWA App
Launch PWA App
Close Driver
Interact with Native Elements of the PWA App

Object
Identification
Strategy

Object
Identification
Strategy
&

• https://developers.google.com/web/progressive-web-apps/checklist
Google’s PWA Checklist
Compliance

Summary
• PWA is growing and embraced by browser vendors as well as
enterprises
• iOS is lagging behind Android capabilities
• Selenium & Visual Testing is a recommended test automation
strategy for PWA
• Leverage what you already know and have (RWD, Selenium,
Mobile Testing)

Thank You
Eran Kinsbruner
@ek121268
erank@perfectomobile.com
http://continuoustesting.blog

Online testconf event rwd and pwa 2018

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