Mobile Testing Challenges and Solutions XBOSoft Webinar

Mobile Testing
Challenges and
Solutions
Ed Curran
xbosoft.com
© 2017 XBOSoft, Inc.- All Rights Reserved.

XBOSoft, Inc. All Rights Reserved.
Expectations
• I won’t read the slides
• Lots of material
• You can have it, just email me
– ed.curran@xbosoft.com
2

Meet Our Speakers
Philip Lew
CEO and Founder, XBOSoft
Relevant specialties and
passions
• Software quality process, evaluation,
measurement and improvement
• Software quality in use / UX design
• Mobile User Experience and usability
• Cycling and travel
3
XBOSoft Team

Ed Curran
VP of Engineering
4
• Over 25 years of experience: technology;
international; BSEE/MBA
• Much of career dedicated wireless industry,
as well as software development
• Developer of performance management
monitoring systems for wireless networks for
use in capacity planning
• VzW Representative for Verizon Quality Council
• QuEST Forum / TL9000 Speaker
• iOS Application Designer/Developer
Meet Our Speakers
XBOSoft Team

XBOSoft
Dedicated to Software Quality Improvement
Founded in 2006
We speed products to market with our expertise:
• Software QA consulting
• Software testing
Global team with offices in San Francisco and
Beijing
“Thorough, accurate, and fast”
5

House Rules
▪ Participants other than the speakers are muted
▪ Questions via the GoToWebinar control on the
right side of your screen or through Twitter
@XBOSoft
▪ Questions may be asked throughout the webinar -
we’ll try to answer them at the end
▪ You will receive info on recording after the
webinar
6

Agenda
1. Mobile Vs. Desktop Platforms
– Fundamental differences between the mobile and desktop
platforms
– Foundation to further explore mobile software best
practices for design and test
2. Designing/Testing Mobile Applications
– Specific design issues associated with the creation of a
great user experience (UX)
– Localization
– Testing and automation considerations inherent to
complex, mobile devices
7

Mobile vs. Desktop Platforms
1.1 - Similarities
Leverage Platform Development If Similar
• Across Web Interfaces
– HTML/Responsive Web Design, when possible …
• Across Data Connections
– APIs, when possible ...
• Across Similar Code Bases
– Same application, different platforms, assisted
by IDE (e.g., Xcode)
8

Mobile Vs. Desktop Platform
1.2 Differences
… Leveraging similarities provides simple
solution, but...
• Tendency to accept similarities
– Fails to address subtle UX requirements
• Inherent/platform-specific
– Functional/application-specific
… Testers need to be aware of these differences
9

Mobile vs. Desktop Platform
1.2 Differences
10
1.Platform proliferation
2.Location
3.Photography
4.Notifications
5.Content
6.Research (search) tasks
7.Chat
8.Email

Mobile Vs. Desktop Platform Differences
1.2.1 - Platform Proliferation
11
"Android Fragmentation Visualized (August 2015) - SlideShare." 7 Aug. 2015,
http://www.slideshare.net/FrdricZugaj/android-fragmentation-visualized-august-2015.

• Over 18000 Unique Devices Detected
• Android a Far Bigger Problem Than iOS
• Fragmentation a Strength and Weakness for
Android*
– Access to large variety of devices offers broad,
global reach
– Headache for developers
12
* "ANDROID FRAGMENTATION VISUALIZED (AUGUST 2015) DEVICE ...."
https://opensignal.com/assets/pdf/reports/2015_08_fragmentation_report.pdf.
1.2.1 - Platform Proliferation (cont.)

Screen Size/Aspect Ratio Variation Challenges
• Large Numbers of Android Displays (left)
• Relatively Small Variety of iOS Displays (right)
• Developers Forced to Prioritize
• Testers Need to Accommodate
13
1.2.1 - Platform Proliferation (cont.)

• Mobile Environment
– Mobiles accessed 150 times a day
– Mobiles constantly changing location and
conditions
• Location Based Services
– Unique “mobile-only” location-based services
– Added Services Dimension
• Navigation, inventory control, restaurant reviews,
etc.
• Ambient Conditions
– Adjust to varying lighting conditions
14
1.2.2 - Location

• Enabling
– Mobile cameras always with you
– No real desktop equivalent for photography
• Mobile Cameras Utilized 10x Over Traditional
Cameras
– Photos
– Scanning
15
1.2.3 - Photography

XBOSoft, Inc. All Rights Reserved.16
1.2.3 - Photography (cont.)

• Applications - New Social Paradigm
– Rapidly take pictures
– Quick editing (e.g., Instagram and Facebook
Filters) and sharing
• Requirements for UI to be Supported
– Rapid access to take photos
– Rapid storage
– Editing photos must be seamless and simple
1.2.3 Photography (cont.)
17

1.2.4 Notifications
• Notification Implementation Approach
…Directly affects overall UX
• Potentially Large Number of Notifications
Received by Mobile
– And desktops associated with mobile
– Receipt of notifications at inappropriate times and
locations
– Give Users a choice that is easy to find and change
18

… Mobile Devices - Always with you
• Ideal for Digesting Content During Idle Times
• UI Designed for Fast Access
– During short time availability (e.g., in line at
grocery store)
– Large buttons and gestures
19
1.2.5 - Content

1.2.6 - Mobile-Based Research (search)

• Limitations
– Small Screen sizes
– Input Difficult
• Benefits and Customizations
– Location component
– Application UI
• Minimize screen input
• Intelligent, automatic access of location info
WITHOUT user intervention
• Customization (if desired)
21
1.2.6 - Mobile-Based Research (search)

• Limitations
– Input limitations
– Always with you
– Ecosystem of apps can exist within Chat app
• Mini Apps (e.g., WeChat, Facebook)
– Application UI
• Simple and minimal
• Use of canned responses
• Short, multiple interactions on the go
22
1.2.7 - Chat Applications

• Limitations
– Input methods
– Viewing screen size
• rendering comprises
– Reduced feature set
– Always with you
– Customized UI
• Autocorrect has dramatically improved, reducing
fatigue and increasing accuracy
• Use of canned/customized responses
23
1.2.8 - Email

2. Challenges in Designing and
Testing Mobile Apps
2.1 UX Criticality
2.2 Localization
2.3 Testing and Automation
24

Challenges in Designing and Testing Mobile Apps
2.1 - User Experience Criticality
• UX Essential to Mobile Application
• Development is a Team Effort
– Design -> Coding - > Testing
• Not Limited to Discrete Functional Capability
• Must Meet Demands of User Expectations for
Overall UX
• Maintain Key Tenets of Brand’s Value
25

• Traditional Business Perspective Applies…
– It is cheaper and less time-consuming to keep
your current customers than acquire new ones
• … and It Is Amplified
– Level of competition for Applications greater
– App Stores simplify finding alternate solutions
– Opinions can be formed in seconds
26
2.1 - User Experience Criticality (cont.)

• Localytics:
– 25% of applications will be used ONCE.
– 33% of applications fully abandoned after 1
month
– 70-80% Fully Abandoned after 3 months.
• Dimensional Research
– 80% of app users will attempt to use a
problematic application less than 4 times
27
"Mobile Apps: What's A Good Retention Rate? | Localytics." 21 Mar. 2017,
http://info.localytics.com/blog/mobile-apps-whats-a-good-retention-rate.
"Whitepaper: Failing to meet mobile app user expectations | ITProPortal (REF: Demensional Research) ." 30 Jan. 2016,
http://www.itproportal.com/2016/01/30/whitepaper-failing-meet-mobile-app-user-expectations/. Accessed 21 Apr. 2017.

Travel and Lifestyle retain the most users on average, with a 23% retention rate post 90 days.

UX Dependencies
• UI
– First thing new user will see
– Responsive and Purpose-Built
– Provide expected results with few obstacles
– No confusion in piloting
• Annoying User Experiences Lead to Abandonment
… “Simple but Mediocre” will trump
“Comprehensive but Difficult”
29

… Data Speed Challenges for Mobile
Applications
• Operate in Widely Varying RF Environments.
• Deal gracefully with intermittent data connections
– Intelligent Caching
– Moving between wireless interfaces (WiFi, Cellular,
Bluetooth)
• UI Optimized to Maximize UX (... Illusion)
– Slow download speeds masked with progress screens
– Inform User of progress
– Distract User from slow progress
30
User Experience Criticality
2.1.1 - Performance Issues

• Overall Performance Measurements and Monitoring
– Data Throughput
– Screen Delays
– Battery Consumption
– Database Performance
– Memory Utilization (leaks, abandoned memory)
• Mobile Performance Tool Examples
– XCode’s UI Test * Infrastructure (previously Instruments)
(Apple): iOS
– Monkop (Monkop, Inc.): Android, iOS
31
2.1.1 - Performance Issues (cont.)
* "The Thumb Zone: Designing For Mobile Users – Smashing Magazine." 19 Sep. 2016,
https://www.smashingmagazine.com/2016/09/the-thumb-zone-designing-for-mobile-users/.

Mobile Device Unique
• Always with the person
• Typically held in one hand
• Biometrics availability
… More a personalized extension of user, less an
independent device
How many of you would loan your phone to a friend?
2.1.2 Design Controls Based on Hand Position
32

… 50% of People Hold Phone in 1 hand, using
thumb to drive interface. *
… 75% Interactions on mobile are thumb driven. **
* "Design for Fingers, Touch, and People, Part 1 :: UXmatters." 6 Mar. 2017,
http://www.uxmatters.com/mt/archives/2017/03/design-for-fingers-touch-and-people-part-1.php. Accessed 19 Apr. 2017.
** "How We Hold Our Gadgets · An A List Apart Article." 3 Nov. 2015, https://alistapart.com/article/how-we-hold-our-gadgets.
Accessed 19 Apr. 2017.
2.1.2 Design Controls Based on Hand Position
(continued)
33

Thumb-zone mapping for left- and right-handed users. *
* "The Thumb Zone: Designing For Mobile Users – Smashing Magazine." 19 Sep. 2016,
https://www.smashingmagazine.com/2016/09/the-thumb-zone-designing-for-mobile-users/.
2.1.2 - Design Controls Based on Hand Position
(continued)

• UX Formulated by Software and Hardware,
Together
• Physical Home Button Easily Accessible
• Virtual Buttons and Controls Easily Reachable
• Haptic Feedback Helping Blur Lines Between
Virtual and Real
35
2.1.2 - Design Controls Based on Hand Position
(continued)

• Less Defined Interactions
– Thumb Driven inherently less accurate
– Swiping gestures, pressing Icons
• Text Input
– “Small Gesture” challenge
– Capacitive Screens w/correction algorithms
– Still imperfect and tedious
• Should be kept to a minimum
• Employ autocomplete for forms
36
2.1.3 - Design to Larger Gestures

Text Size
• Do NOT Maximize Information On Small Screen
• Text Should Be Easily Readable
– in Mobile Environments
• e.g., on a Bus, in a car
– When Displaying User-facing screen elements
• e.g. table column headings, buttons, help menus
37
2.1.4 - Design For Visual Clarity

Contrast
• Flexibility in Contrast Can Be
Aesthetically Pleasing
… however…
• Users With Marginal Vision
Should NOT Have to Struggle.
• Contrast Setting Guidelines
Available From www.w3.Org
38
"The Logical Blog by IconLogic: eLearning : Three Tips For Better Color ...." 7 Mar. 2017,
http://iconlogic.blogs.com/weblog/2017/03/elearning-three-tips-for-better-color-usage.html.
2.1.4 - Design For Visual Clarity
(continued)

• Purpose-Driven
– Clear view to primary action
– Secondary actions should be added, but only if necessary.
• All Actions Should Be Intuitive as Possible
– Easier to learn minimal memorization required
– Easier to use
– Easier when expanding functionality
39
2.1.5 - Design for Simplicity

Fidelity
• Easy to see
• Clear objective
–Simple
–Not everything
40© 2017 XBOSoft, Inc.- All Rights Reserved.

Design to leverage Context-Aware Sensors
• Expanding Proliferation of Sensors
• Development Toolkits Support Coding and Easy Access
• Eliminates Need for Users to Manually Input Data
– e.g., GPS Application, where User’s location immediately
known
– Fingerprint and Face ID
41
2.1.5 - Design for Simplicity
(continued)

Sensor Proliferation
"OpenSignal Mobile Sensors - OpenSignal." https://opensignal.com/sensors/library/.
2.1.5 - Design for Simplicity (continued)

• All Actions Should Be Intuitive if at All Possible
– Easy to learn with minimal memorization
– Easy to use
– Eliminates the need for Reference/Help files
• Utilize Well-Established Norms for the Mobile OS
– iOS: Human Interface Guidelines (Apple)*
– Android: Design | Android Developers **
43
* "Design Principles - Overview - iOS Human Interface Guidelines."
https://developer.apple.com/ios/human-interface-guidelines/.
** "Design | Android Developers." https://developer.android.com/design/index.html. Accessed 10 Apr.
2017.
2.1.6 - Navigation Should be
Self-Evident

• Development For Multiple-Platforms
• User Expectations
– Functions will be duplicated on desktop and mobile
application
• Design Considerations
– UX principles should be duplicated where possible
– Aggressively modify function to support mobile UI where
appropriate
– Developer should abandon desktop functions
inappropriate for Mobile environment
44
2.1.7 - Seamless Experience Across Devices

Spotify Application on Various Devices
2.1.7 - Seamless Experience Across Devices

• Simple Applications
– Manual Testing
• Test for look and feel
• Usability
• Serious/Complex Applications
– Software Testing QA Team integral part of SDLC.
– Manual Testing cannot be avoided for many areas
– Automation of certain functional areas
• Only done after careful consideration
46
2.1.8 - UX Testing Challenges

Manual UX Review
• Access Right-Hand Versus Left-Hand Usability
• Screen Interaction (Small Items)
• Visual Clarity
– i.e., contrast of displayed information under various
lighting conditions
• General Navigation Through Application
– Adherence to appropriate device guidelines
– Confirmation of cross-platform unified experience
47
2.1.8 - UX Testing Challenges (cont.)

UX Evaluations Via Manual Methods
• Well Planned Tests
• “Hallway Tests”
• Coordination With Other SDLC Stakeholders
48
2.1.8 - UX Testing Challenges (cont.)

• Localization Challenges
– Google Play Store , iOS App Store
– Distribution of Application Globally is easy
– Creating Suitable Application for a Market is hard
• Application Market Acceptance
– Local Language
– Market-specific Images
49
2.2 - Localization

… 90% of all mobile activity takes place in Apps,
not browsers
… App Localization will increase downloads
on average well over 100% *
50
"There's a Language for That: Translating Mobile Apps And Content."
http://www.demandgenreport.com/features/demanding-views/there-s-a-language-for-that-translating-mobile
-apps-and-content.
2.2 - Localization (cont.)
Price Paid for Not Localizing

Critical Localization Considerations
• Assets
– Images, tutorials, other content
• Layout Flexibility - to ensure that text will autosize
– Chinese requires less space than English
– Spanish, French, German take up more space than
English
– iOS/Android Toolkits help with dates, times, currency
51
-apps-and-content.

Critical Localization Considerations (cont.)
Translations
• What to Localize?
– Entire application
– Help files, menus, other references
– Regions to support
• Native Translations by Subject Matter
Experts
– Must understand context
52
-apps-and-content.

Testing and Review of Localization Data
• Reviewer
– must know the language
– must know subject and context.
• Compatibility Testing
– Accurate Rendering
• Use of device pools to test application on target devices
– e.g., Sauce Labs, BrowserStack, AWS Device Farm
– Automation of Compatibility tests (covered in next section)
53
-apps-and-content.

2.3 Testing and Automation
1. Wireless Interfaces
2. API Integration
3. Test Tools
4. Device Diversity
5. What to Automate
6. Mobile Test Lab
7. Continuous Integration
8. Mobile Data Security
54

"• Mobile and multi-channel application testing challenges 2013-2017 ...."
https://www.statista.com/statistics/500630/worldwide-mobile-and-multichannel-application-testing-challenges/.
Statista - Challenges in Testing Mobile & Multi-Channel (Mobile, Social, Traditional)

Mobile Testing Landscape is Changing
• Different Applications, be they web apps or native, require
different testing tools and approaches
• Numerous device interfaces that need to be supported
• Less and Less Time to Test.
56
* "World Quality Report 2016 - Sogeti.", p.9, 10
https://www.sogeti.com/globalassets/global/downloads/testing/wqr-2016-2017/wqr_2016-17_final_secure.
2.3 - Testing and Automation

Mobile Devices Operate in Complex Environment
• Data Feeding From a Variety of Air Interfaces
– Wireless - High Speed
• Indoors: Wifi
• Outdoors: Cellular (e.g., 3G, 4G, 5G)
• Device Moves Automatically Between Services
– behind the scenes
• Data Handling
– defaults set to avoid cellular service fees when possible
– elegant handling of data interruptions
57
Testing and Automation
2.3.1 - Wireless Interfaces

API Considerations
• API Integration to External Services Exploding
– Increased Application development speed
• WideSpread Use
• Prone to Errors (e.g., Customized
Implementations)
58
2.3.2 - API Integration

Underestimating of Testing Challenges
• Some APIs are well established (less risk)
– e.g., music services
• Many APIs Unstable
– More eclectic sets of devices (e.g., IoT) feeding different
information to mobile applications
– Immature API development
• Care Must Be Taken
– Proper evaluation and testing of less mature APIs
– Cooperation between both Developer and API service
provider(s)
59
2.3.2 - API Integration (cont.)

Tool Selection
• Many Things to Consider
– Cost (Open Source/Free vs. Paid)
– OS coverage (e.g., Android)
• Cost Is a Factor … but Not the Most Important
– Will the Application Do the Job?
– Is the Application Supported (native vs. web)
60
2.3.3 - Testing Tools

Top 10 Mobile Testing Tools for
2017 for Android and iOS *
Kobiton
Appium Studio
Appium
Robotium
Selendroid
61
MonkeyRunner
Calabash
Frank
KIF
MonkeyTalk
* "Top 10 Mobile Testing Tools In 2017 for Android & iOS - Guru99." 27 Oct. 2017,
https://www.guru99.com/mobile-testing-tools.html. Accessed 4 Dec. 2017.

XBOSoft Preference
• Standardized on Appium
– XBOSoft holds no Stake in Appium!
– Appium is Open Source
• Answers two questions for us
– Does the Job of Testing Native Mobile Applications
– Supports the Applications (iOS and Android)
62
2.3.3 - Testing Tools (cont.)

Appium Highlights
• No recompilation / modification to App
– Using vendor-provided automation frameworks -
XCUITest / UIAutomator
• Support most languages/frameworks to write
tests
– Wrapping vendor-provided frameworks into one API
(e.g., Webdriver API)
63

Appium Highlights (cont.)
• No Need To Reinvent the Wheel
• Webdriver for Mobile Automation Is a Standard
– Appium has extended the protocol with extra API
methods useful for mobile automation, instead of
creating any thing new.
• Open Source
64

Test Script Selenium
WebDriver
JSON Wire
Protocol
Automation
commands
are sent in
form of JSON
via HTTP
request
XCUITest
UIAutomator
iOS Device /
Simulator
Android
Device /
Emulator
Appium
server logs
the results to
console
Appium server
invokes
vendor-provided
automation
frameworks

Appium Test Engineering Requirements Support*
• Tests can be written for iOS and Android using same API
(e.g., Selenium WebDriver)
• Write tests in Preferred Language (e.g., Java, C#)
• Automation Support for Hybrids, Native, and Web Apps
• No Source Code Required (unlike Robotium)
• CI Compatible With Jenkins
• Runs on Selenium Grid for Parallel, Multi-Device Tests
• Works With Real Devices or Simulators, Cloud Services
• Cross-Platform Support (Mac, Windows, Linux)
66
* "Advantages and Disadvantages of appium - Stack Overflow." 6 Feb. 2015,
http://stackoverflow.com/questions/28363221/advantages-and-disadvantages-of-appium/28367587.
"Illustrated Appium Tutorial: 8 Steps | Waverley." 23 Feb. 2017,
https://waverleysoftware.com/blog/appium-tutorial/.

• Too Many Device Varieties to Test
• Employment of Analytics
– Help Prioritize Device Focus
– Localytics, Google, etc.
• Example Parameters for Market Data Collection
– Screen Size, OS, CPU, RAM Usage, etc
• Data Assists Designers to Prioritize Device
Models
– Helps determine type of support an app will provide. *
• Test Engineers Need to Ensure
– Prioritized device configurations appropriately supported
67
* "Five types of mobile analytics data and their uses." 10 Jun. 2016,
http://mobilebusinessinsights.com/2016/06/five-types-of-mobile-analytics-data-and-their-uses/.
2.3.4 - Device Diversity

• Manual Testing
– Manual testing is essential to determine overall UX
– Look and Feel
– Baselines for test are established
• Automation
– A necessary, extremely useful tool
– Challenge is what to automate and how to prioritize
68
2.3.5 - What to Automate

• Some Things Should NOT Be Automated
• Some Things CAN Be Automated and Make
Sense to Do So
– Certain established look-and-feel tests that are
repeatedly successful
– Assertions can be applied to ensure tests are within
bounded parameters
69
2.3.5 - What to Automate (cont.)

Based on that, these types of test cases are
good to be automated:
• Have been successfully executed manually
• Stable areas, pages that are not likely to
change frequently
• Transactions, workflows that are not likely to
change
Good to Automate
70

Difficult to Automate
These test cases, due to the differences in mobile, are
difficult to automate , the cost of both automation and
maintenance would be high:
• New features without manual testing
• Complex gestures
• No resulting well-defined expected results
• Switch across Apps, Interrupts
• Dependences like SIM card, camera, etc.
71

Test Automation Script Guidelines
Similar for all automation testing, we want the
automated script for mobile to be
• Small - Easier to understand and fix
• Fast - Parallel execution for faster feedback
• Independent - Can run any subsets in any order
• Repeatable - Tests get the same result every time
• Self-Checking - No human checking (e.g., assertions)
• Reusable - Avoid maintenance nightmares
72

• Local and Remote Test Lab Configurations
– Both Have Advantages
• Support for Large Number of Devices (if required)
Accomplished by various means:
– Local Real Devices
– Local Simulated Devices
– Remote Real Devices
– Remote Simulated Devices
73
2.3.6 - Mobile Test Lab

Local Device Simulator
• Virtual device
– not actual phone
• Phone emulated through software
• Same OS and software (in large part) as that
loaded on actual mobile hardware
• Performance may vary from real device
– CPU/RAM/Network Speed
• Typically free (for personal use)
2.3.6 Mobile Test Lab (cont.)
74

Testing and
Automation
2.3.6 Mobile Test Lab
(cont.)
Examples of local
Android simulator
https://www.genymotio
n.com/ (android only)

Examples of local iOS simulators
(Apple XCode Built-in Simulator list)

Typical Local Software Test Lab
2.3.6 - Mobile Test Lab (cont.)

Typical Remote Software Test Environment

Remote Device Farm Server
• Similar to Local Software Test Environment
• Majority of Local Test Configuration Function
Moved to Cloud
• ADVANTAGE: Local Tester Does Not Have to
Physically Manage
– Remote test client software
– Growing Device Pool
79

Remote “Real” devices
• Typically Most Recently Available Mobile Devices
• Devices Accessed Through Web Browser
– not actually holding phone
– “mirrored image” of real device
80

Cloud-based
Real iPhone
Mirrored in
Local Firefox
(BrowserStack)
81
What you can
expect when
using
simulators
locally, or in
the cloud, or if
using real
devices in the
cloud.

Remote
Simulated
Device
Mirrored in
Local
Chrome
(AWS Device Farm)
82

Simulated iPhone running on remote MacOS Desktop
viewed on local Chrome Browser (BrowserStack)
83

Available Devices - BrowserStack Example
84

Expected Result
2.3.6 Mobile Test Lab
(cont.)

Local Simulated Devices in Local Mobile Test Lab
• Advantages
– Supplements real device pool
– Large array of devices available
– Can run automated tests simultaneously on multiple
devices (e.g., Using Appium)
• Issues
– Limited Look-and-Feel automated test applicability
– Requires some maintenance to upkeep lab
– Limited to local computer power
86

Remote Test Lab (Device Farm)
• Advantages
– Large assortment of real and simulated devices
– One URL can be displayed against numerous browsers
– No maintenance required for local devices
– Automated Tests are Supported
• Issues
– Automated Tests can get costly if required to run
simultaneously
– Limited Look-and-Feel automated test applicability
87

Real/Simulator/Cloud Device
When is best to use which one (1/3)
88
Situation Solution Why
During the initial stages of
application development /
coding phase
Simulator Fast debugging
Sanity, smoke testing,
performance,
interoperability and
network feasibility and
regression testing
Real
Device
A series of real devices with high
popularity is always the final gate, real
usage with real situation must be
covered before final release.
Web application through
URL
Simulator It’s much easier to copy url to
simulator than input it to real phone
Situation-based
application
Real
Device
Only real device can answer: is it easy
to use the app on the train, or while
walking down the street? The situation
about in bright sunlight or in the rain?

Feeling of closeness
towards the real
handheld devices
Real
Device
Look and feel, color resolution of the screen,
whether the picture is bright or not under both day
and night conditions and so on
Capturing
screenshots of the
situations where
defects appear
Simulator Capturing issue of screenshots over simulator is
much easier for manual testing. For automated
testing, screen captures can be configured for
simulators as well as real devices.
Battery/exact
color/incoming
interrupts/Camera /
Dynamic
lighting conditions
Real
Device
Simulators are not able to simulate the Battery
status, or the exact color display of the devices
when the real device is in sunlight or in the dark, or
simulating incoming interrupts for SMS or calls and,
no cameras.
Performance Real
Device
The original devices tend to perform faster than the
emulator/simulator.
Memory related
issues
Real
Device
The memory available at the simulator tends to be
far more than the real devices so this may create
misconceptions

Responsive
Design Testing
across Devices
Cloud
Device
No hardware factors as what matters are just width and
ratio, Cloud device farm provides that.
Cross Browser
Testing
Cloud
Device
Safari, Chrome, IE, Firefox, different version, on
different OS, with different screen size, the cloud service
is designed to manage all of it.
Automated
regression test
script
Cloud
Device
Make sure the script works for 1 real devices locally,
and then have the cloud to multiply it to 20 or even
more, in parallel, and you don’t have to maintain any of
them.
Devices with
lower popularity
Cloud
Device
Cover the devices in your supported list as much as
possible.
Call center,
customer
reported issues
Simulator Troubleshooting the issues with simulators first before a
real device is available.

Automated Mobile Application Testing
• Appropriate Tests Are Created
– Various functional areas
– Projects run in parallel to save time
• Tests Are Scheduled and Run
2.3.7 Continuous Integration
91

Continuous Integration
• Kicked off immediately after latest application
build completed
• Typically runs smoke tests
– To exercise critical test areas for proper configuration
and operation
– Done prior to detailed test run
• Local Test Environment
• Database Initiation and Access
• Network and device access
• General Application testing of major functional areas
92
2.3.7 - Continuous Integration (cont.)

Continuous Integration Benefits
• Well Suited for Agile Development Teams
• Can Initiate Test Process Directly After Latest
Application Build
• Rapid Feedback
– rather than waiting until next day
… Identified Problems Can Be Quickly Addressed
93
2.3.7 - Continuous Integration (cont.)

Mobile Data Security Considerations
• Extremely Important, Specialized
• Open-Source as Well as Commercial Tools
Available
–OWASP (Open Web Application Security Project)
• Certain Security Tests can be Performed by
Performance Tools
–e.g., JMeter DDOS, Monkop
2.3.8 Mobile Data Security
NOTE: Due to Depth and Nature Mobile software security,
XBOSoft covers this topic in a separate presentation.
94

Mobile Testing: Challenges and Solutions
Summary (1/3)
Differentiation of Requirements for
Desktop/Notebook Computers Versus Those for
Mobile Devices
• Design Parallels should be leveraged wherever
possible
• Caution using time-saving techniques
– e.g., web apps to gain broad platform footprint rather
than device platform specific native applications that
optimize UX.
95

The Needs of the End-User of the Application Must
Served, First and Foremost
• Which devices to be supported
• Which sensors to be accessed
• Where app will be used
• Can the application easily accessed and timely in data
presentation
• How will the user be holding the device (which hand)?
• Can Elegant handling of data through multiple data services
be supported? (e.g., 4G vs. WiFi)
Summary (2/3)
96

… Mobile Design Considerations are
Complex
With More Mobile devices, plotting out
your test strategy is critical
• Resource limitations are amplified
– Time and Money (test environments)
• Leverage test automation
• Leverage ‘combo’ lab depending on needs
Summary (3/3)
97

Questions and Answers
Ed Curran
ed.curran@xbosoft.com
Additional Resources: http://www.xbosoft.com/resources
© 2017 XBOSoft, Inc.- All Rights Reserved.
www.xbosoft.com
@xbosoft
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