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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
module ModuleSpecs
class NoInheritance
def method_to_undef() 1 end
def another_method_to_undef() 1 end
end
class Parent
def method_to_undef() 1 end
def another_method_to_undef() 1 end
end
class Child < Parent
end
class Ancestor
def method_to_undef() 1 end
def another_method_to_undef() 1 end
end
class Descendant < Ancestor
end
end
describe "Module#undef_method with symbol" do
it "removes a method defined in a class" do
x = ModuleSpecs::NoInheritance.new
x.method_to_undef.should == 1
ModuleSpecs::NoInheritance.send :undef_method, :method_to_undef
lambda { x.method_to_undef }.should raise_error(NoMethodError)
end
it "removes a method defined in a super class" do
child = ModuleSpecs::Child.new
child.method_to_undef.should == 1
ModuleSpecs::Child.send :undef_method, :method_to_undef
lambda { child.method_to_undef }.should raise_error(NoMethodError)
end
it "does not remove a method defined in a super class when removed from a subclass" do
ancestor = ModuleSpecs::Ancestor.new
ancestor.method_to_undef.should == 1
ModuleSpecs::Descendant.send :undef_method, :method_to_undef
ancestor.method_to_undef.should == 1
end
end
describe "Module#undef_method with string" do
it "removes a method defined in a class" do
x = ModuleSpecs::NoInheritance.new
x.another_method_to_undef.should == 1
ModuleSpecs::NoInheritance.send :undef_method, 'another_method_to_undef'
lambda { x.another_method_to_undef }.should raise_error(NoMethodError)
end
it "removes a method defined in a super class" do
child = ModuleSpecs::Child.new
child.another_method_to_undef.should == 1
ModuleSpecs::Child.send :undef_method, 'another_method_to_undef'
lambda { child.another_method_to_undef }.should raise_error(NoMethodError)
end
it "does not remove a method defined in a super class when removed from a subclass" do
ancestor = ModuleSpecs::Ancestor.new
ancestor.another_method_to_undef.should == 1
ModuleSpecs::Descendant.send :undef_method, 'another_method_to_undef'
ancestor.another_method_to_undef.should == 1
end
end
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