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-rw-r--r--spec/rubyspec/language/super_spec.rb282
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diff --git a/spec/rubyspec/language/super_spec.rb b/spec/rubyspec/language/super_spec.rb
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--- a/spec/rubyspec/language/super_spec.rb
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-require File.expand_path('../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/super', __FILE__)
-
-describe "The super keyword" do
- it "calls the method on the calling class" do
- Super::S1::A.new.foo([]).should == ["A#foo","A#bar"]
- Super::S1::A.new.bar([]).should == ["A#bar"]
- Super::S1::B.new.foo([]).should == ["B#foo","A#foo","B#bar","A#bar"]
- Super::S1::B.new.bar([]).should == ["B#bar","A#bar"]
- end
-
- it "searches the full inheritence chain" do
- Super::S2::B.new.foo([]).should == ["B#foo","A#baz"]
- Super::S2::B.new.baz([]).should == ["A#baz"]
- Super::S2::C.new.foo([]).should == ["B#foo","C#baz","A#baz"]
- Super::S2::C.new.baz([]).should == ["C#baz","A#baz"]
- end
-
- it "searches class methods" do
- Super::S3::A.new.foo([]).should == ["A#foo"]
- Super::S3::A.foo([]).should == ["A.foo"]
- Super::S3::A.bar([]).should == ["A.bar","A.foo"]
- Super::S3::B.new.foo([]).should == ["A#foo"]
- Super::S3::B.foo([]).should == ["B.foo","A.foo"]
- Super::S3::B.bar([]).should == ["B.bar","A.bar","B.foo","A.foo"]
- end
-
- it "calls the method on the calling class including modules" do
- Super::MS1::A.new.foo([]).should == ["ModA#foo","ModA#bar"]
- Super::MS1::A.new.bar([]).should == ["ModA#bar"]
- Super::MS1::B.new.foo([]).should == ["B#foo","ModA#foo","ModB#bar","ModA#bar"]
- Super::MS1::B.new.bar([]).should == ["ModB#bar","ModA#bar"]
- end
-
- it "searches the full inheritence chain including modules" do
- Super::MS2::B.new.foo([]).should == ["ModB#foo","A#baz"]
- Super::MS2::B.new.baz([]).should == ["A#baz"]
- Super::MS2::C.new.baz([]).should == ["C#baz","A#baz"]
- Super::MS2::C.new.foo([]).should == ["ModB#foo","C#baz","A#baz"]
- end
-
- it "can resolve to different methods in an included module method" do
- Super::MultiSuperTargets::A.new.foo.should == :BaseA
- Super::MultiSuperTargets::B.new.foo.should == :BaseB
- end
-
- it "searches class methods including modules" do
- Super::MS3::A.new.foo([]).should == ["A#foo"]
- Super::MS3::A.foo([]).should == ["ModA#foo"]
- Super::MS3::A.bar([]).should == ["ModA#bar","ModA#foo"]
- Super::MS3::B.new.foo([]).should == ["A#foo"]
- Super::MS3::B.foo([]).should == ["B.foo","ModA#foo"]
- Super::MS3::B.bar([]).should == ["B.bar","ModA#bar","B.foo","ModA#foo"]
- end
-
- it "searches BasicObject from a module for methods defined there" do
- Super::IncludesFromBasic.new.__send__(:foobar).should == 43
- end
-
- it "searches BasicObject through another module for methods defined there" do
- Super::IncludesIntermediate.new.__send__(:foobar).should == 42
- end
-
- it "calls the correct method when the method visibility is modified" do
- Super::MS4::A.new.example.should == 5
- end
-
- it "calls the correct method when the superclass argument list is different from the subclass" do
- Super::S4::A.new.foo([]).should == ["A#foo"]
- Super::S4::B.new.foo([],"test").should == ["B#foo(a,test)", "A#foo"]
- end
-
- it "raises an error error when super method does not exist" do
- sup = Class.new
- sub_normal = Class.new(sup) do
- def foo
- super()
- end
- end
- sub_zsuper = Class.new(sup) do
- def foo
- super
- end
- end
-
- lambda {sub_normal.new.foo}.should raise_error(NoMethodError, /super/)
- lambda {sub_zsuper.new.foo}.should raise_error(NoMethodError, /super/)
- end
-
- it "uses given block even if arguments are passed explicitly" do
- c1 = Class.new do
- def m
- yield
- end
- end
- c2 = Class.new(c1) do
- def m(v)
- super()
- end
- end
-
- c2.new.m(:dump) { :value }.should == :value
- end
-
- it "calls the superclass method when in a block" do
- Super::S6.new.here.should == :good
- end
-
- it "calls the superclass method when initial method is defined_method'd" do
- Super::S7.new.here.should == :good
- end
-
- it "can call through a define_method multiple times (caching check)" do
- obj = Super::S7.new
-
- 2.times do
- obj.here.should == :good
- end
- end
-
- it "supers up appropriate name even if used for multiple method names" do
- sup = Class.new do
- def a; "a"; end
- def b; "b"; end
- end
-
- sub = Class.new(sup) do
- [:a, :b].each do |name|
- define_method name do
- super()
- end
- end
- end
-
- sub.new.a.should == "a"
- sub.new.b.should == "b"
- sub.new.a.should == "a"
- end
-
- it "raises a RuntimeError when called with implicit arguments from a method defined with define_method" do
- super_class = Class.new do
- def a(arg)
- arg
- end
- end
-
- klass = Class.new super_class do
- define_method :a do |arg|
- super
- end
- end
-
- lambda { klass.new.a(:a_called) }.should raise_error(RuntimeError)
- end
-
- # Rubinius ticket github#157
- it "calls method_missing when a superclass method is not found" do
- Super::MM_B.new.is_a?(Hash).should == false
- end
-
- # Rubinius ticket github#180
- it "respects the original module a method is aliased from" do
- Super::Alias3.new.name3.should == [:alias2, :alias1]
- end
-
- it "sees the included version of a module a method is alias from" do
- Super::AliasWithSuper::Trigger.foo.should == [:b, :a]
- end
-
- it "find super from a singleton class" do
- obj = Super::SingletonCase::Foo.new
- def obj.foobar(array)
- array << :singleton
- super
- end
- obj.foobar([]).should == [:singleton, :foo, :base]
- end
-
- it "finds super on other objects if a singleton class aliased the method" do
- orig_obj = Super::SingletonAliasCase::Foo.new
- orig_obj.alias_on_singleton
- orig_obj.new_foobar([]).should == [:foo, :base]
- Super::SingletonAliasCase::Foo.new.foobar([]).should == [:foo, :base]
- end
-
- it "passes along modified rest args when they weren't originally empty" do
- Super::RestArgsWithSuper::B.new.a("bar").should == ["bar", "foo"]
- end
-
- it "passes along modified rest args when they were originally empty" do
- Super::RestArgsWithSuper::B.new.a.should == ["foo"]
- end
-
- it "invokes methods from a chain of anonymous modules" do
- Super::AnonymousModuleIncludedTwice.new.a([]).should == ["anon", "anon", "non-anon"]
- end
-
- it "without explicit arguments can accept a block but still pass the original arguments" do
- Super::ZSuperWithBlock::B.new.a.should == 14
- end
-
- it "passes along block via reference to method expecting a reference" do
- Super::ZSuperWithBlock::B.new.b.should == [14, 15]
- end
-
- it "passes along a block via reference to a method that yields" do
- Super::ZSuperWithBlock::B.new.c.should == 16
- end
-
- it "without explicit arguments passes optional arguments that have a default value" do
- Super::ZSuperWithOptional::B.new.m(1, 2).should == 14
- end
-
- it "without explicit arguments passes optional arguments that have a non-default value" do
- Super::ZSuperWithOptional::B.new.m(1, 2, 3).should == 3
- end
-
- it "without explicit arguments passes optional arguments that have a default value but were modified" do
- Super::ZSuperWithOptional::C.new.m(1, 2).should == 100
- end
-
- it "without explicit arguments passes optional arguments that have a non-default value but were modified" do
- Super::ZSuperWithOptional::C.new.m(1, 2, 3).should == 100
- end
-
- it "without explicit arguments passes rest arguments" do
- Super::ZSuperWithRest::B.new.m(1, 2, 3).should == [1, 2, 3]
- end
-
- it "without explicit arguments passes rest arguments including any modifications" do
- Super::ZSuperWithRest::B.new.m_modified(1, 2, 3).should == [1, 14, 3]
- end
-
- it "without explicit arguments passes arguments and rest arguments" do
- Super::ZSuperWithRestAndOthers::B.new.m(1, 2, 3, 4, 5).should == [3, 4, 5]
- end
-
- it "without explicit arguments passes arguments and rest arguments including any modifications" do
- Super::ZSuperWithRestAndOthers::B.new.m_modified(1, 2, 3, 4, 5).should == [3, 14, 5]
- end
-
- it "without explicit arguments that are '_'" do
- Super::ZSuperWithUnderscores::B.new.m(1, 2).should == [1, 2]
- end
-
- it "without explicit arguments that are '_' including any modifications" do
- Super::ZSuperWithUnderscores::B.new.m_modified(1, 2).should == [14, 2]
- end
-
- describe 'when using keyword arguments' do
- it 'passes any given keyword arguments to the parent' do
- b = Super::KeywordArguments::B.new
- b.foo(:number => 10).should == {:number => 10}
- end
-
- it "passes any given keyword arguments including optional and required ones to the parent" do
- class Super::KeywordArguments::C
- eval <<-RUBY
- def foo(a:, b: 'b', **)
- super
- end
- RUBY
- end
- c = Super::KeywordArguments::C.new
-
- c.foo(a: 'a', c: 'c').should == {a: 'a', b: 'b', c: 'c'}
- end
-
- it 'does not pass any keyword arguments to the parent when none are given' do
- b = Super::KeywordArguments::B.new
- b.foo.should == {}
- end
-
- describe 'when using splat arguments' do
- it 'passes splat arguments and keyword arguments to the parent' do
- b = Super::SplatAndKeyword::B.new
-
- b.foo('bar', baz: true).should == [['bar'], {baz: true}]
- end
- end
- end
-end