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30 lines
536 B
Crystal
30 lines
536 B
Crystal
class Phonebook
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def find(name)
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# Some expensive lookup call.
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"+18005554321"
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end
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end
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class Resolver
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def initialize(@phonebook : Phonebook)
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end
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def find(name)
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@phonebook.find(name)
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end
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end
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Spectator.describe Resolver do
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mock Phonebook do
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stub find(name)
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end
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describe "#find" do
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it "can find number" do
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pb = Phonebook.new
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allow(pb).to receive(find).and_return("+18005551234")
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resolver = Resolver.new(pb)
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expect(resolver.find("Bob")).to eq("+18005551234")
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end
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end
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end
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