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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe "Module#method_added" do
it "is a private instance method" do
Module.should have_private_instance_method(:method_added)
end
it "returns nil in the default implementation" do
Module.new do
method_added(:test).should == nil
end
end
it "is called when a new instance method is defined in self" do
ScratchPad.record []
Module.new do
def self.method_added(name)
ScratchPad << name
end
def test() end
def test2() end
def test() end
alias_method :aliased_test, :test
alias aliased_test2 test
end
ScratchPad.recorded.should == [:test, :test2, :test, :aliased_test, :aliased_test2]
end
it "is not called when a singleton method is added" do
# obj.singleton_method_added is called instead
ScratchPad.record []
klass = Class.new
def klass.method_added(name)
ScratchPad << name
end
obj = klass.new
def obj.new_singleton_method
end
ScratchPad.recorded.should == []
end
it "is not called when a method is undefined in self" do
m = Module.new do
def method_to_undef
end
def self.method_added(name)
fail("method_added called by undef_method")
end
undef_method :method_to_undef
end
m.should_not have_method(:method_to_undef)
end
end
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