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Contents
require 'simplabs/excellent/checks/base'
module Simplabs
module Excellent
module Checks
# This check reports methods with an ABC metric score that is higher than the threshold. The ABC metric is basically a measure for complexity
# and is calculated as:
#
# a = number of assignments
# b = number of branches
# c = number of conditions
#
# score = Math.sqrt(a*a + b*b + c*c)
#
# ==== Applies to
#
# * methods
class AbcMetricMethodCheck < Base
DEFAULT_THRESHOLD = 10
def initialize(options = {}) #:nodoc:
super()
@threshold = options[:threshold] || DEFAULT_THRESHOLD
@interesting_nodes = [:defn, :defs]
end
def evaluate(context) #:nodoc:
unless context.abc_score <= @threshold
add_warning(context, '{{method}} has abc score of {{score}}.', { :method => context.full_name, :score => context.abc_score })
end
end
end
end
end
end
Version data entries
12 entries across 12 versions & 2 rubygems