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Contents
# frozen_string_literal: true
module LittleWeasel
module Filters
# This module validates word filter types.
module WordFilterValidatable
def self.validate(word_filter:)
raise ArgumentError, "Argument word_filter does not quack right: #{word_filter.class}" \
unless valid_word_filter?(word_filter: word_filter)
end
# You can use your own word filter types as long as they quack correctly;
# however, you are responsible for the behavior of these required methods/
# attributes. It's probably better to follow the pattern of existing word
# filter objects (e.g. Filters::EnUs::NumericFilter) and inherit from
# Filters::WordFilter.
def self.valid_word_filter?(word_filter:)
word_filter.respond_to?(:filter_on?) &&
word_filter.respond_to?(:filter_off?) &&
word_filter.respond_to?(:filter_on) &&
word_filter.respond_to?(:filter_on=) &&
word_filter.respond_to?(:filter_match?) &&
word_filter.class.respond_to?(:filter_match?)
end
def validate_word_filter(word_filter:)
WordFilterValidatable.validate word_filter: word_filter
end
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems