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# File 'lib/mocktail/simulates_argument_error/recreates_message.rb', line 5
def recreate(signature)
req_args = signature.positional_params.required.size
allowed_args = signature.positional_params.allowed.size
rest_args = signature.positional_params.rest?
req_kwargs = signature.keyword_params.required
if signature.positional_args.size < req_args || (!rest_args && signature.positional_args.size > allowed_args)
expected_desc = if rest_args
"#{req_args}+"
elsif allowed_args != req_args
"#{req_args}..#{allowed_args}"
else
req_args.to_s
end
"wrong number of arguments (given #{signature.positional_args.size}, expected #{expected_desc}#{"; required keyword#{"s" if req_kwargs.size > 1}: #{req_kwargs.join(", ")}" unless req_kwargs.empty?})"
elsif !(missing_kwargs = req_kwargs.reject { |name| signature.keyword_args.key?(name) }).empty?
"missing keyword#{"s" if missing_kwargs.size > 1}: #{missing_kwargs.map { |name| name.inspect }.join(", ")}"
elsif !(unknown_kwargs = signature.keyword_args.keys.reject { |name| signature.keyword_params.all.include?(name) }).empty?
"unknown keyword#{"s" if unknown_kwargs.size > 1}: #{unknown_kwargs.map { |name| name.inspect }.join(", ")}"
else
"unknown cause (this is probably a bug in Mocktail)"
end
end
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