Kyiv Quality Assurance Day 2019 АННА ТИМОФІЄВА & СЕРГІЙ МАЛИНОВСЬКИЙ «Tools and Tips of video connection testing» Телеграм канал: wwww.t.me/goqameetup Фейсбук сторінці: www.fb.com/goqaevent Сайт: www.kyiv.qaday.org

1. TOOLS AND TIPS OF VIDEO
CONNECTION TESTING

2. About me
• 6 Years in IT
• QA
• Work at SoftServe
• Master of procrastination
• Pretty good snowboarder
e-mail: sergii.malinovsky@gmail.com

3. •Almost 12 years in IT, 6 years QA Lead
•5 years at SoftServe
•QMO Partner
•Graduated from Leadership Development Program SoftServe
•Hillel IT School Coach
•Volunteer “Open Eyes” Foundation
•Mother of teenage girl
e-mail: atymof@gmail.com
skype: ann_alen
About me

4. Why video

6. Issues
• Video was received partly

7. Issues
• Unsynchronized video and audio

8. Issues
• Video without audio

9. Issues
• Audio without video

10. Testing isn’t problem

11. Video testing is problem

12. Video testing = PAIN ?!
• Hard to find any useful information
• You become a vlogger with one follower and it sucks
• It takes a lot of time
• It often requires more than one
person

13. Track the browser updates
• It should be your responsibility.
• It is always important.
• It can cause your system in a different ways.
• Use Firefox Nightly or Chrome Canary if it’s needed.

14. Extra mic and cam - always good idea
• Obvious test that you should not to forget about.
• It can harm both UI and Stream or even Browser if it is
IE.

15. Learn about logs
• Ask your developer about log details.
• More clear understanding of the issue gives you a
prospect to find more bugs.
• Your bugs reports are more informative.

16. • Memory leak during the recording.
• Reconnection can be harmful.
Worth your attention

17. • Plugin installation/Updates
• Supporting modern technologies
• Security
Flash died?

18. What is WEBRTC ?
Supported Browsers & Platforms
Chrome
Firefox
Opera
Android
iOS
High-quality Web Real-Time
Communication
• No additional software or plugins installation is required
• High communication quality thanks to modern video and audio codecs
• High level of security: all connections are protected (HTTPS) and encrypted
(SRTP).

19. MediaStream web browser accepts audio and video signal from camera or desktop.
RTCPeerConnection connects browsers for sharing media content from a camera, microphone, and
desktop.
RTCDataChannel provides two-side data transmission over established connection.
How it
works

20. HTTPS additional latency
Upload bandwidth
UDP additional latency
UDP packet loss
HTTPS packet loss
Traffic – shaping is

21. We love automation
team
• TURN blocked, UDP open, fast HTTPS
• TURN blocked, UDP open, slow HTTPS
• TURN open, UDP blocked, fast HTTPS
• TURN open, UDP blocked, slow HTTPS
• lossy UDP (15%)
• lossy HTTPS

22. • SSH server
• VPN
• BitTorrent client
• Traffic-shaping system

23. Tests organization
• Smoke
• Regression
• Feature testing

24. QUESTIONS
AND
ANSWERS