58 lines
906 B
Plaintext
58 lines
906 B
Plaintext
!SLIDE
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# Matchers
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!SLIDE even-larger
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``` ruby
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cat.meow.should == "meow"
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cat.should be_a_kind_of(Cat)
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cat.should_not be_hungry
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# => cat.hungry?.should == false
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```
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!SLIDE even-larger
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``` coffeescript
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expect(cat.meow()).toEqual("meow")
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expect(cat.prototype).toEqual(Cat.prototype)
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expect(cat.isHungry()).not.toBeTruthy()
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```
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!SLIDE even-larger
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# Lots of built in matchers
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``` coffeescript
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toEqual(object)
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toBeTruthy()
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toBeFalsy()
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toBeGreaterThan()
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toBeLessThan()
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toBeUndefined()
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toContain()
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toMatch()
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```
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!SLIDE even-larger
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``` coffeescript
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expect(cat.isHungry()).not.toBeTruthy()
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```
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!SLIDE
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# Create your own matchers!
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!SLIDE even-larger
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``` coffeescript
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MyMatchers =
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toBeHungry: ->
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return @actual.isHungry() == true
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beforeEach ->
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this.addMatchers(MyMatchers)
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describe 'Cat', ->
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beforeEach ->
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@cat = new Cat()
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it 'should not be hungry', ->
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expect(@cat).not.toBeHungry()
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```
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