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Contents
require 'reek/smells/smell_detector'
require 'reek/smell_warning'
module Reek
module Smells
#
# A Large Class is a class or module that has a large number of
# instance variables, methods or lines of code.
#
# +TooManyMethods+ reports classes having more than a configurable number
# of methods. The method count includes public, protected and private
# methods, and excludes methods inherited from superclasses or included
# modules.
#
class TooManyMethods < SmellDetector
# The name of the config field that sets the maximum number of methods
# permitted in a class.
MAX_ALLOWED_METHODS_KEY = 'max_methods'
DEFAULT_MAX_METHODS = 25
def self.smell_category
'LargeClass'
end
def self.contexts # :nodoc:
[:class]
end
def self.default_config
super.merge(
MAX_ALLOWED_METHODS_KEY => DEFAULT_MAX_METHODS,
EXCLUDE_KEY => []
)
end
#
# Checks +ctx+ for too many methods
#
# @return [Array<SmellWarning>]
#
def examine_context(ctx)
@max_allowed_methods = value(MAX_ALLOWED_METHODS_KEY, ctx, DEFAULT_MAX_METHODS)
actual = ctx.node_instance_methods.length
return [] if actual <= @max_allowed_methods
[SmellWarning.new(self,
context: ctx.full_name,
lines: [ctx.exp.line],
message: "has at least #{actual} methods",
parameters: { count: actual })]
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems