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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe "Module#private_method_defined?" do
it "returns true if the named private method is defined by module or its ancestors" do
ModuleSpecs::CountsMixin.private_method_defined?("private_3").should == true
ModuleSpecs::CountsParent.private_method_defined?("private_3").should == true
ModuleSpecs::CountsParent.private_method_defined?("private_2").should == true
ModuleSpecs::CountsChild.private_method_defined?("private_3").should == true
ModuleSpecs::CountsChild.private_method_defined?("private_2").should == true
ModuleSpecs::CountsChild.private_method_defined?("private_1").should == true
end
it "returns false if method is not a private method" do
ModuleSpecs::CountsChild.private_method_defined?("public_3").should == false
ModuleSpecs::CountsChild.private_method_defined?("public_2").should == false
ModuleSpecs::CountsChild.private_method_defined?("public_1").should == false
ModuleSpecs::CountsChild.private_method_defined?("protected_3").should == false
ModuleSpecs::CountsChild.private_method_defined?("protected_2").should == false
ModuleSpecs::CountsChild.private_method_defined?("protected_1").should == false
end
it "returns false if the named method is not defined by the module or its ancestors" do
ModuleSpecs::CountsMixin.private_method_defined?(:private_10).should == false
end
it "accepts symbols for the method name" do
ModuleSpecs::CountsMixin.private_method_defined?(:private_3).should == true
end
it "raises a TypeError if passed an Integer" do
-> do
ModuleSpecs::CountsMixin.private_method_defined?(1)
end.should raise_error(TypeError)
end
it "raises a TypeError if passed nil" do
-> do
ModuleSpecs::CountsMixin.private_method_defined?(nil)
end.should raise_error(TypeError)
end
it "raises a TypeError if passed false" do
-> do
ModuleSpecs::CountsMixin.private_method_defined?(false)
end.should raise_error(TypeError)
end
it "raises a TypeError if passed an object that does not defined #to_str" do
-> do
ModuleSpecs::CountsMixin.private_method_defined?(mock('x'))
end.should raise_error(TypeError)
end
it "raises a TypeError if passed an object that defines #to_sym" do
sym = mock('symbol')
def sym.to_sym() :private_3 end
-> do
ModuleSpecs::CountsMixin.private_method_defined?(sym)
end.should raise_error(TypeError)
end
it "calls #to_str to convert an Object" do
str = mock('string')
def str.to_str() 'private_3' end
ModuleSpecs::CountsMixin.private_method_defined?(str).should == true
end
describe "when passed true as a second optional argument" do
it "performs a lookup in ancestors" do
ModuleSpecs::Child.private_method_defined?(:public_child, true).should == false
ModuleSpecs::Child.private_method_defined?(:protected_child, true).should == false
ModuleSpecs::Child.private_method_defined?(:accessor_method, true).should == false
ModuleSpecs::Child.private_method_defined?(:private_child, true).should == true
# Defined in Parent
ModuleSpecs::Child.private_method_defined?(:public_parent, true).should == false
ModuleSpecs::Child.private_method_defined?(:protected_parent, true).should == false
ModuleSpecs::Child.private_method_defined?(:private_parent, true).should == true
# Defined in Module
ModuleSpecs::Child.private_method_defined?(:public_module, true).should == false
ModuleSpecs::Child.private_method_defined?(:protected_module, true).should == false
ModuleSpecs::Child.private_method_defined?(:private_module, true).should == true
# Defined in SuperModule
ModuleSpecs::Child.private_method_defined?(:public_super_module, true).should == false
ModuleSpecs::Child.private_method_defined?(:protected_super_module, true).should == false
ModuleSpecs::Child.private_method_defined?(:private_super_module, true).should == true
end
end
describe "when passed false as a second optional argument" do
it "checks only the class itself" do
ModuleSpecs::Child.private_method_defined?(:public_child, false).should == false
ModuleSpecs::Child.private_method_defined?(:protected_child, false).should == false
ModuleSpecs::Child.private_method_defined?(:accessor_method, false).should == false
ModuleSpecs::Child.private_method_defined?(:private_child, false).should == true
# Defined in Parent
ModuleSpecs::Child.private_method_defined?(:public_parent, false).should == false
ModuleSpecs::Child.private_method_defined?(:protected_parent, false).should == false
ModuleSpecs::Child.private_method_defined?(:private_parent, false).should == false
# Defined in Module
ModuleSpecs::Child.private_method_defined?(:public_module, false).should == false
ModuleSpecs::Child.private_method_defined?(:protected_module, false).should == false
ModuleSpecs::Child.private_method_defined?(:private_module, false).should == false
# Defined in SuperModule
ModuleSpecs::Child.private_method_defined?(:public_super_module, false).should == false
ModuleSpecs::Child.private_method_defined?(:protected_super_module, false).should == false
ModuleSpecs::Child.private_method_defined?(:private_super_module, false).should == false
end
end
end
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