With this session, our speaker will take you through: – The importance of wring code to testing your code – Introduction on unit testing and some other testing methods – How to write unit test – Code coverage – Mock and stub – Apply with PHP and Laravel framework

1. U N I T T E S T I N G I N P H P A N D
L A R A V E L F R A M E W O R K

2. ‣ LE MAI VIEN
‣ 28 years old
‣ Asian Tech Inc.
‣ Technical Leader
‣ Backend developer
‣ 5 years of experiences
A B O U T M E

3. W H A T I S H I G H Q U A L I T Y
C O D E ? ? ?
I T ’ S
G O O D ? ? ?

4. W H A T I S H I G H Q U A L I T Y
C O D E ? ? ?
S E L F E XP L A I N I N G D O C U M E N T A T I O N
C L E A R - R E A D A B L E
A R C H I T E C T U R E D E S I G N
D E S I G N P A T T E R N
T E S T C O D E
E A S E O F
E XT E N S I B I L I T Y

5. ‣ Test by human
‣ Create test cases
‣ Repeat many times
‣ Difficult to check affection
‣ Take a lot of time and efforts
M A N U A L T E S T I N G

6. W H A T D O D E V E L O P E R S D O W H E N
T H E Y I M P L E M E N T
C O D E T E S T
Switch

7. Y O U A L R E A D Y T E S T Y O U R
C O D E
S U B M I T A F O R M , C H E C K D B
C O N S O L E . L O G ( )
D U M P V A R I A B L E S
L O G T O F I L E
C H R O M E D E B U G T O O L
…

8. W R I T E C O D E T O T E S T Y O U R
C O D E
‣ Check code by code
‣ Can reuse many time
‣ There are many kinds of
test code
W H Y N O T ?

9. T E S T I N G M E T H O D S
‣ Unit testing
‣ Integration testing
‣ Functional testing
‣ Acceptance testing
‣ E2E testing

10. W H Y D E V E L O P E R H A V E T O W R I T E
C O D E T O T E S T T H E I R C O D E
‣ Quality of code
‣ Find bugs early
‣ Facilitates changes simplifies integration
‣ Provide document
‣ Debugging process
‣ Design
‣ Reduce cost

11. U N I T T E S T I N G
‣ Test a smallest piece of testable code
‣ Check the Code is working as expected
‣ Testing in isolation
‣ Tests should not be order-dependent

12. U N I T T E S T I N G
Unit tests
Production code

13. 3 steps of a Unit test
1. Arrange
2. Act
3. Assert

14. 1 0 0 1 R E A S O N S T O S K I P U N I T
T E S T
‣ I don’t have time
‣ Deadline is too short
‣ I don’t know how to do
‣ Client doesn’t want to write UT
‣ …
A L L J U S T E X C U S E , L E T W R I T E U N I T T E S T

15. U N I T T E S T I S I M P O R T A N T , I S N ’ T
I T ?

17. C O D E C O V E R A G E

18. T e s t e d
T e s t e d

19. C r e a t e m o c k
o b j e c t
M O C K E R Y
ple yet flexible PHP mock object framework for use in unit te

20. S E T E X P E C T A T I O N S T O M O C K
O B J E C T
T h i s m e t h o d
m u s t b e c a l l e d
e x a c t l y 1 t i m e

21. Mock vs Stub
Setup
Exercise
Verify state
Teardown
Setup data
Setup Expectations
Exercise
Verify expectations
Verify state
Teardown

22. U N I T T E S T I N G
‣ Test a smallest piece of code
‣ Testing in isolation
‣ Code coverage
‣ Stub and mock

23. H O W A B O U T
L A R A V E L ?

24. I t ’ s n o t u n i t t e s t i n g
I t ’ s f u n c t i o n a l t e s t i n g
L A R A V E L H T T P T E S T

25. L A R A V E L T E S T J S O N A P I

26. S U M M A R Y
‣ Manual test
‣ Benefit of writing code to test your code
‣ Phpunit
‣ Unit testing
‣ Code coverage
‣ Another testing methods

27. T H A N K Y O U F O R L I S T E N I N G
http://asiantech.vn/en/careers