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module RR
module MethodDispatches
class MethodMissingDispatch < BaseMethodDispatch
extend(Module.new do
def original_method_missing_alias_name
"__rr__original_method_missing"
end
end)
attr_reader :subject, :subject_class, :method_name
def initialize(subject, subject_class, method_name, args, kwargs, block)
@subject = subject
@subject_class = subject_class
@method_name = method_name
@args = args
@kwargs = kwargs
@block = block
end
def call
if Injections::DoubleInjection.exists?(subject_class, method_name)
@double = find_double_to_attempt
if double
return_value = extract_subject_from_return_value(call_implementation)
if after_call_proc
extract_subject_from_return_value(after_call_proc.call(return_value))
else
return_value
end
else
double_not_found_error
end
else
call_original_method
end
end
def call_original_method
Injections::DoubleInjection.find_or_create(subject_class, method_name).dispatch_method_delegates_to_dispatch_original_method do
call_original_method_missing
end
end
protected
def call_implementation
if implementation_is_original_method?
space.record_call(subject, method_name, args, kwargs, block)
double.method_call(args, kwargs)
call_original_method
else
if double_injection = Injections::DoubleInjection.find(subject_class, method_name)
double_injection.bind_method
# The DoubleInjection takes care of calling double.method_call
if KeywordArguments.fully_supported?
subject.__send__(method_name, *args, **kwargs, &block)
else
subject.__send__(method_name, *args, &block)
end
else
nil
end
end
end
def double_injection
Injections::DoubleInjection.find_or_create(subject_class, method_name)
end
end
end
end
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