rubyで麻雀の待ちを出力 - うんたらかんたら日記
privateメソッドのテスト - うんたらかんたら日記
テストコード
書いてみた。
#spec/majang_spec.rb require File.expand_path(File.dirname(__FILE__) + '/../majang.rb') describe Majang do before do @m = Majang.new end describe "待ち無し1112224788899" do before { @m.mati("1112224788899") } subject { @m.tenpai} it { should have(:no).item } end describe "1112224588899" do before { @m.mati("1112224588899") } subject { @m.tenpai} it { should have(1).item } it { should == ["(111)(222)(888)(99)[45]"] } end describe "1112223335559" do before { @m.mati("1112223335559") } subject { @m.tenpai} it { should have(2).items } it { should include("(111)(222)(333)(555)[9]") } it { should include("(123)(123)(123)(555)[9]") } end describe "1223344888999" do before { @m.mati("1223344888999") } subject { @m.tenpai} it { should have(3).items } it { should include("(123)(234)(888)(999)[4]") } it { should include("(123)(44)(888)(999)[23]") } it { should include("(234)(234)(888)(999)[1]") } end describe "1112345678999" do before { @m.mati("1112345678999") } subject { @m.tenpai} it { should have(11).items } it { should include("(111)(234)(567)(99)[89]") } it { should include("(111)(234)(678)(999)[5]") } it { should include("(111)(234)(789)(99)[56]") } it { should include("(111)(234)(567)(999)[8]") } it { should include("(111)(345)(678)(999)[2]") } it { should include("(111)(456)(789)(99)[23]") } it { should include("(11)(123)(456)(789)[99]") } it { should include("(123)(456)(789)(99)[11]") } it { should include("(123)(456)(789)(99)[11]") } it { should include("(11)(123)(678)(999)[45]") } it { should include("(11)(345)(678)(999)[12]") } end # private methods describe ":format_tenpai" do context '["123", "456"],["78"]' do it { @m.send(:format_tenapi, ["123","456"], ["78"]).should == "(123)(456)[78]" } end end describe ":all_same?" do context "要素が0個の場合" do it { be_all_same?([]) } end context "素が１個の場合" do it { be_all_same?(["1"]) } end context "全ての要素が同じ場合" do it { be_all_same?(["1", "1", "1"]) } end context "異なる要素が存在する場合" do it { not be_all_same?(["1", "2", "1"]) } end end describe ":tenpai?" do before do #tenpai?の中で呼んでいるappend_tenpaiで<<がエラーとなるため、stubを作成 @m.stub!(:append_tenpai) end #単騎待ちは考慮しない context '両面待ちの場合["1", "1", "2", "3"]' do it { be_tenpai?(["1", "1", "2", "3"]) } end context 'カンチャン待ちの場合["1", "1", "4", "6"]' do it { be_tenpai?(["1", "1", "4", "6"]) } end context 'ペンチャン待ちの場合["1", "1", "8", "9"]' do it { be_tenpai?(["1", "1", "8", "9"]) } end context 'シャンポン待ちの場合["1", "1", "2", "2"]' do it { be_tenpai?(["1", "1", "2", "2"]) } end context '待ちなし場合["1", "1", "2", "5"]' do it { not be_tenpai?(["1", "1", "2", "5"]) } end end describe ":mati?" do context '要素が差が0の場合["1", "1"]' do it { be_mati?(["1", "1"]) } end context '要素が差が1の場合["1", "2"]' do it { be_mati?(["1", "2"]) } end context '要素が差が2の場合["1", "3"]' do it { be_mati?(["1", "3"]) } end context '要素が差が3の場合["1", "4"]' do it { not be_mati?(["1", "4"]) } end end describe ":candidates" do context '順子が存在しない場合["1","1","2"]' do it { do_candidates(["1","1","2"]).should == [] } end context '刻子が存在する場合["1","1","1","2"]' do it { do_candidates(["1","1","1","2"]).should == ["111"] } end context '刻子と順子が存在する場合["1","1","1","2","2","2","3","3","3"]' do it { do_candidates(["1","1","1","2","2","2","3","3","3"]).should == ["111","222","333","123"].sort } end end private def all_same?(arg) @m.send(:all_same?, arg) end def tenpai?(arg) @m.send(:tenpai?, arg, []) end def mati?(arg) @m.send(:mati?, arg) end def do_candidates(arg) @m.send(:candidates, arg) end end describe Array do context "重複要素を引いた場合" do it "1つのみ削除されること" do ["1", "1", "2"].minus(["1"]).should == ["1","2"] end end context "複数要素を引いた場合" do it "正しく引き算されること" do ["1", "1", "2","3"].minus(["1","2"]).should == ["1","3"] end end context "引き算対象のデータが無い場合" do it "selfが返却されること" do ["1", "2", "3"].minus(["4"]).should == ["1","2","3"] end end end
もう少し何かすればきれいになるような気がするが。
