Intro to RSpec

Introduction to RSpec

Transcript

1. T st ng it R pe t b ! M 1
2. W lc me! L 's e o c o . 4 i c y f 4 s a y 'r e l i c 2
3. S ep an e ic ar T am ea @ t ou ht ot I'm xc te t l ar ... J sh la to M na in D re to @ t ou ht ot I'm xc te t l ar ... 3
4. B fo e e et ta te ... 4 J h S c ! 4 E q n i n 4 T o w ! # 4
5. C as S he ul (C ) ! a - C ☕ 1 :3 - B (1 m ) ☕ 1 :3 - B (1 m ) # 1 :2 - l u S (1 m ) $ 1 :3 - D ! 5
6. C as S he ul (P ) ! p - C ☕ 2:3 - B (1 m ) ☕ 3:3 - B (1 m ) # 4:2 - l u S (1 m ) $ 4:3 - D ! 6
7. W o s hi c as f r? P h a : - e w t - e w t t R - e n n l o e p & t 7
8. W at e'l C ve i t is ou se 4 I c T t R 4 R M s n S E s 4 M , S , n S 4 F e n let 4 M i F T 4 T T -P A 4 T U d C 8
9. W y o e ri e es s? 4 R b 4 S d t 4 I h d u c 9
10. W en o e ri e es s? T F D m n s A D m 1
11. T st ir t ev lo me t 1. w a f t 2. w d k h s p 3. r r 4 A k a : T -D D m (T ) R /G /R r 1
12. T st ft r ev lo me t 1. w a t c 2. w p t 1
13. T st ir t ev lo me t B t 4 V e i a a i 4 E g r r 4 I u h d u c 1
14. T st ir t ev lo me t C 4 T p e 4 R s w a s e o h l a h p 1
15. T st ir t ev lo me t H a I "t r " e u d d a e ? 1) W t o e g b r. * (ex: test the Happy Path) 2) W t o e b r. 1
16. T st ft r ev lo me t B t 4 A w u s t (e.g., T a F S ) 4 W t e o o r a h p 1
17. T st ft r ev lo me t C 4 S f k u m t 4 D a i n r r 4 F w s a u d r t 1
18. T rm no og 4 U t * 4 M t 4 C l t 4 V t 4 F t 4 R i t 4 E -t -E t * 4 C n t 4 C t t 4 I t t * 4 U t 4 S t 1
19. U it es s... ...t d i o , i d h s d s . E s: 4 t a s c m 4 V s 1
20. 2 i t , 0 i t t ... 2
21. I te ra io T st ... ...e e u u s e s e p d r t r. E s: 4 C l s 4 J s 2
22. E d-t -E d es s... ...e e h s a w . e r t l w o h u 's p t . E s: 4 F s 2
23. C mp ri g yp s f es s 2
24. C ea in a al nc d es P rt ol o s v a o i t , w a f n f . e n v a s n i t t a a e s n e -t -e t , w y h c d t s o u r s f n r o r . 2
25. L t's ri e om c de! G : s h R , G , R r c i n a c t a c : 4 a w n 4 c t f a 2
26. E er is C de ce F s : - I'l a t e . S s : - W 'l o p h s e . ("W W a M a " S ) 2
27. R vi w W e R , G , R r t : 4 d u c 's i c 4 g t h e m s 4 r r s 4 c w d t c d 2
28. O ga iz ng ur es s RSpec.describe MyClass do describe "used to describe behavior" do it "describes a specific example" do; end context "highlights a special circumstance" do it "describes a specific example" do; end end end end 2
29. F ur ha e es RSpec.describe Calculator do describe "#add" do it "returns the sum of the two arguments" do setup (required setup) exercise (exercise system under test) verify (result is verified against an expectation) teardown (system under test is reset) end end end 2
30. R pe F cu F lt r R v <= 3.4 RSpec.configure do |config| config.filter_run_including :focus => true config.run_all_when_everything_filtered = true end 3
31. R pe F cu F lt r R v >= 3.5 RSpec.configure do |config| config.filter_run_when_matching: :focus end 3
32. R so rc s M F T a - h ://m o .c /b /T a .h R .d e d e - h ://r p .c /r /r -c /v/3-7/d /c g n/z -m -p g-m F -P T - h ://t b .c /b /f -p -t R F F v .4 - h ://r p .c /r /r -c /v/3-4/d / l /i o - l - h ://r p .c /r /r -c /v/3-4/d /c g n/r -a -w -e i - l R F F v .5 - h ://r p .c /r /r -c /v/3-5/d / l / l -r -w -m g 3