118 lines
2.1 KiB
Plaintext
118 lines
2.1 KiB
Plaintext
!SLIDE
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# What if the cat meows differently based on certain states?
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!SLIDE image-80-percent
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<img src="assets/hungry-cat.jpg" />
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!SLIDE image-80-percent
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<img src="assets/cat-carrier.jpg" />
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!SLIDE
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# Nested `describe`
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!SLIDE larger
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``` coffeescript
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describe 'Cat', ->
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describe '#meow', ->
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describe 'hungry', ->
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# Cat#meow expectation for when
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# the cat is hungry
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describe 'going to the vet', ->
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# Cat#meow expectation for when
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# the cat knows it's vet time
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```
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!SLIDE larger
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``` coffeescript
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describe 'Cat', ->
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describe '#meow', ->
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describe 'hungry', ->
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it 'should be a mournful meow', ->
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cat = new Cat()
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cat.state = -> Cat.HUNGRY
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# ...just like cat.stubs(:state)
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expect(cat.meow()).toEqual("meeeyaow")
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describe 'going to the vet', ->
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it 'should be an evil meow', ->
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cat = new Cat()
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cat.state = -> Cat.VET_PSYCHIC
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# ...just like the one above
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expect(cat.meow()).toEqual("raowwww")
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```
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!SLIDE image-80-percent
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<img src="assets/wet-cat.jpg" />
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!SLIDE even-larger
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``` coffeescript
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cat = new Cat()
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```
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!SLIDE even-larger
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``` ruby
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before do
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@cat = Cat.new
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end
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it 'should be a mournful meow' do
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@cat.stubs(:state).returns(Cat::HUNGRY)
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@cat.meow.should == "meeyaow"
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end
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```
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!SLIDE even-larger
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``` ruby
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before -> it -> after
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```
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!SLIDE even-larger
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``` ruby
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before do
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@instance_variable = "yes"
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end
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it "is in same context as before block" do
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@instance_variable.should == "yes"
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end
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```
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!SLIDE even-larger
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``` coffeescript
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beforeEach -> it -> afterEach
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```
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!SLIDE even-larger
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``` coffeescript
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beforeEach ->
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@instanceVariable = "yes"
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it "should be in the same context", ->
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expect(@instanceVariable).toEqual("yes")
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```
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!SLIDE larger
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``` coffeescript
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describe 'Cat', ->
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describe '#meow', ->
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beforeEach ->
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@cat = new Cat()
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describe 'hungry', ->
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it 'should be a mournful meow', ->
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@cat.state = -> Cat.HUNGRY
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expect(@cat.meow()).toEqual("meeeyaow")
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describe 'going to the vet', ->
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it 'should be an evil meow', ->
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@cat.state = -> Cat.VET_PSYCHIC
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expect(@cat.meow()).toEqual("raowwww")
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```
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