Contents

require "spec_helper"

require "hamster/set"

describe Hamster::Set do

  [:group_by, :group].each do |method|

    describe "##{method}" do

      describe "with a block" do

        [
          [[], []],
          [[1], [true => Hamster.set(1)]],
          [[1, 2, 3, 4], [true => Hamster.set(3, 1), false => Hamster.set(4, 2)]],
        ].each do |values, expected|

          describe "on #{values.inspect}" do

            before do
              original = Hamster.set(*values)
              @result = original.send(method, &:odd?)
            end

            it "returns #{expected.inspect}" do
              @result.should == Hamster.hash(*expected)
            end

          end

        end

      end

      describe "without a block" do

        [
          [[], []],
          [[1], [1 => Hamster.set(1)]],
          [[1, 2, 3, 4], [1 => Hamster.set(1), 2 => Hamster.set(2), 3 => Hamster.set(3), 4 => Hamster.set(4)]],
        ].each do |values, expected|

          describe "on #{values.inspect}" do

            before do
              original = Hamster.set(*values)
              @result = original.group_by
            end

            it "returns #{expected.inspect}" do
              @result.should == Hamster.hash(*expected)
            end

          end

        end

      end

    end

  end

end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
hamster-1.0.1.pre.rc.1	spec/hamster/set/group_by_spec.rb