This document discusses end-to-end testing and why it is important for complex modern software systems with multiple interconnected subsystems. End-to-end testing ensures that all subsystems work together as expected by testing user journeys that trigger actions across systems. It recommends planning end-to-end test cases that think through scenarios from start to finish and avoid adding unnecessary tests. Automating end-to-end test cases is difficult but valuable as it can catch issues that arise from system interactions.

1. Pub Testing #1
Vipin Jain
"End to end testing: key to application health checkup."
&

2. key to Application health checkup

3. Software complexity over time

4. Development getting Complex

6. So Many Types of Testing!

7. Why Do we need
End to End Testing
when we can test
each aspect of the
application?

8. Lessons learned

9. How to do EtoE testing?
 Ask Managers and Product Owners
 Their Answer: Build Testcases End to End and execute.
More testcases, better would be the testing.

10. Sure you want E2E testing?
DEVOPS CI and CD
MICROSERVICES
a

11. EtoE seems a very old way

12. Then How EtoE is
different and when
and how should we do
it?

13. Why We need it?
• Complex Modern
software
systems
• Multiple sub-
systems
interconnected
• If any subsystem
crashes then
whole system
will crash

14. How to plan?
Think from End User scenario and Think
Start to Finish

15. Study of end to end testing requirements and
describe all the systems and subsystems processes.
Test Environment setup and hardware/software
requirements
Description of roles and responsibilities for all the
systems
End to end requirements tracking and designing of test
cases
Input and output data for each system
Perform following activities

16. Things to care when designing

17. • A simple user
journey for buying
an item triggers
action in many
connected
systems.
• These are
independent, and
EtoE testing is
performed to
ensure that they
work together as
expected.
e.g.

18. • Can the cart hold
100 items?
• Can the delivery be
done on 29’Th Feb?

19. E-commerce application

20. How I arranged and managed

21. My Metrics for EtoE testing
Test Case preparation status
Test Case preparation progress against planned
Weekly Test Progress
week-wise details of percentage test completion-
Failed, not executed & executed against planned for
execution.
Defects Status & Details
Percentage of open & closed defects by week
Environment Availability
Total number of hours active against Total number of
hours scheduled per day for testing

23. More can harm !
• Avoid adding unnecessary tests
• Challenge every request to add
more tests to EtoE suite
• Executing more tests could be
counter productive.
Each added testcase adds time for
• data setup
• Users setup and access grants
• coordinating execution with
everyone
• monitoring all the messages and
ensuring that everything works

24. Automation approach
• Critical bugs come not from individual pieces
malfunctioning but rather from multiple pieces not
working correctly together, which is where EtoE testing is
required
• Building automation scripts for these is DIFFICULT but
worth trying for, as it involves script all testcases for
complete product rather than running Unit tests
automation.
• Off course, it is time consuming and require full
knowledge of the system.

25. Automation approach

26. Thank You !
Email:
Vipin.jain@metacube.com
Linkedin:
in.linkedin.com/in/vipinqalead/
Twitter:
vipin_QA