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module Bogus
class VerifiesStubDefinition
extend Takes
takes :method_stringifier
def verify!(object, method_name, args)
stubbing_non_existent_method!(object, method_name) unless object.respond_to?(method_name)
return unless object.methods.include?(method_name)
return if WithArguments.with_matcher?(args)
method = object.method(method_name)
verify_call!(method, args)
end
private
def verify_call!(method, args)
object = Object.new
fake_method = method_stringifier.stringify(method, "")
object.instance_eval(fake_method)
object.send(method.name, *args)
rescue ArgumentError
wrong_arguments!(method, args)
end
def wrong_arguments!(method, args)
args_string = method_stringifier.arguments_as_string(method.parameters)
raise ArgumentError, "tried to stub #{method.name}(#{args_string}) with arguments: #{args.map(&:inspect).join(",")}"
end
def stubbing_non_existent_method!(object, method_name)
raise NameError, "#{object.inspect} does not respond to #{method_name}"
end
end
end
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