Contents

require "spec_helper"

describe Hash do
  let(:hash) { {foo: 1, bar: 2, baz: 3, qux: 4} }

  describe "#map_values" do
    subject(:map_values) { hash.map_values {|arg| arg * 2 } }

    specify { expect(map_values).to eq({foo: 2, bar: 4, baz: 6, qux: 8}) }
    specify { expect{|block| hash.map_values(&block) }.to yield_successive_args(1, 2, 3, 4) }

    specify { expect{ map_values }.to_not change{ hash } }
  end

  describe "#map_values!" do
    subject(:map_values!) { hash.map_values! {|arg| arg * 2 } }

    specify { expect(map_values!).to eq({foo: 2, bar: 4, baz: 6, qux: 8}) }
    specify { expect{|block| hash.map_values!(&block) }.to yield_successive_args(1, 2, 3, 4) }

    specify { expect{ map_values! }.to change{ hash } }
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
tfg_support-1.1.1	spec/tfg/support/core_ext/hash/map_values_spec.rb
tfg_support-1.0.1	spec/tfg/support/core_ext/hash/map_values_spec.rb
tfg_support-1.0.0	spec/tfg/support/core_ext/hash/map_values_spec.rb