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Contents
require 'simplabs/excellent/checks/base'
module Simplabs
module Excellent
module Checks
# This check reports method and blocks that have more parameters than the threshold. Methods with long parameter lists are harder to understand
# and often an indicator for bad design as well.
#
# ==== Applies to
#
# * methods
# * blocks
class ParameterNumberCheck < Base
DEFAULT_THRESHOLD = 3
def initialize(options = {}) #:nodoc:
super
@threshold = options[:threshold] || DEFAULT_THRESHOLD
@interesting_contexts = [Parsing::MethodContext, Parsing::SingletonMethodContext, Parsing::BlockContext]
end
def evaluate(context) #:nodoc:
unless context.parameters.length <= @threshold
add_warning(context, '{{method}} has {{parameters}} parameters.', { :method => context.full_name, :parameters => context.parameters.length })
end
end
end
end
end
end
Version data entries
4 entries across 4 versions & 1 rubygems