Sha256: ef49cf623a8fa0d37521c13203e27e8cdbad47fc69278c2cc40af559fbd0b516
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Versions: 15
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Stored size: 999 Bytes
Contents
require 'reek/smells/smell_detector'
require 'reek/smell_warning'
module Reek
module Smells
#
# A Utility Function is any instance method that has no
# dependency on the state of the instance.
#
# Currently +UtilityFunction+ will warn about any method that:
#
# * is non-empty
# * does not override an inherited method
# * calls at least one method on another object
# * doesn't use any of self's instance variables
# * doesn't use any of self's methods
#
class UtilityFunction < SmellDetector
#
# Checks whether the given +method+ is a utility function.
# Any smells found are added to the +report+.
#
def examine_context(method, report)
return false if method.calls.keys.length == 0 or
method.num_statements == 0 or
method.depends_on_instance?
report << SmellWarning.new(self, method,
"doesn't depend on instance state")
end
end
end
end
Version data entries
15 entries across 15 versions & 3 rubygems