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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 "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 "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
ruby_bug "#1151 [ruby-core:22040]", "1.8.7.174" do
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
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 "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
ruby_version_is ""..."1.9" do
it "can be used with implicit arguments from a method defined with define_method" do
sup = Class.new do
def a; "a"; end
end
sub = Class.new(sup) do
define_method :a do
super
end
end
sub.new.a.should == "a"
end
end
ruby_version_is "1.9" do
it "can't be used with implicit arguments from a method defined with define_method" do
Class.new do
define_method :a do
super
end.should raise_error(RuntimeError)
end
end
end
# Rubinius ticket github#157
it "calls method_missing when a superclass method is not found" do
lambda {
Super::MM_B.new.is_a?(Hash).should == false
}.should_not raise_error(NoMethodError)
end
# Rubinius ticket github#180
it "respects the original module a method is aliased from" do
lambda {
Super::Alias3.new.name3.should == [:alias2, :alias1]
}.should_not raise_error(RuntimeError)
end
it "sees the included version of a module a method is alias from" do
lambda {
Super::AliasWithSuper::Trigger.foo.should == [:b, :a]
}.should_not raise_error(NoMethodError)
end
end
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