58 lines
1.2 KiB
Crystal
58 lines
1.2 KiB
Crystal
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Spectator.describe String do
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# This is a helper method.
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def random_string(length)
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chars = ('a'..'z').to_a
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String.build(length) do |builder|
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length.times { builder << chars.sample }
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end
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end
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describe "#size" do
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subject { random_string(10).size }
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it "is the length of the string" do
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is_expected.to eq(10)
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end
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end
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end
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Spectator.describe String do
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# length is now pulled from value defined by `let`.
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def random_string
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chars = ('a'..'z').to_a
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String.build(length) do |builder|
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length.times { builder << chars.sample }
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end
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end
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describe "#size" do
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let(length) { 10 } # random_string uses this.
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subject { random_string.size }
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it "is the length of the string" do
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is_expected.to eq(length)
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end
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end
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end
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module StringHelpers
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def random_string
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chars = ('a'..'z').to_a
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String.build(length) do |builder|
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length.times { builder << chars.sample }
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end
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end
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end
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Spectator.describe String do
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include StringHelpers
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describe "#size" do
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let(length) { 10 }
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subject { random_string.size }
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it "is the length of the string" do
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is_expected.to eq(length)
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end
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end
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end
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