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Contents
module Reek
module Spec
#
# Matches a +SmellWarning+ object agains a smell type and hash of attributes.
#
class SmellMatcher
attr_reader :smell_warning
COMPARABLE_ATTRIBUTES = %i(message lines context source)
def initialize(smell_warning)
@smell_warning = smell_warning
end
def matches?(klass, attributes = {})
matches_smell_type?(klass) && matches_attributes?(attributes)
end
def matches_smell_type?(klass)
smell_classes.include?(klass.to_s)
end
def matches_attributes?(attributes)
check_attributes_comparability(attributes)
# FIXME: Use Array#to_h when dropping Ruby 2.0 compatibility.
fields, params = attributes.
partition { |key, _| COMPARABLE_ATTRIBUTES.include? key }.
map { |arr| Hash[arr] }
common_parameters_equal?(params) &&
common_attributes_equal?(fields)
end
private
def smell_classes
[smell_warning.smell_category, smell_warning.smell_type]
end
def check_attributes_comparability(other_attributes)
parameter_keys = other_attributes.keys - COMPARABLE_ATTRIBUTES
extra_keys = parameter_keys - smell_warning.parameters.keys
return if extra_keys.empty?
raise ArgumentError, "The attribute '#{extra_keys.first}' is not available for comparison"
end
def common_parameters_equal?(other_parameters)
smell_warning.parameters.slice(*other_parameters.keys) == other_parameters
end
def common_attributes_equal?(attributes)
attributes.all? do |other_key, other_value|
smell_warning.send(other_key) == other_value
end
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems