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# Copyright (c) 2015 Sqreen. All Rights Reserved.
# Please refer to our terms for more information: https://www.sqreen.io/terms.html
require 'sqreen/condition_evaluator'
module Sqreen
# A module that will dynamically had preconditions to the pre/post/failing
# callbacks
module Conditionable
# Hook the necessary callback function
#
# @param conditions [Hash] hash of callback names => conditions
def condition_callbacks(conditions)
conditions = {} if conditions.nil?
base = self.class
%w(pre post failing).each do |cb|
conds = conditions[cb]
next unless base.method_defined?(cb)
send("#{cb}_conditions=", ConditionEvaluator.new(conds)) unless conds.nil?
defd = base.instance_variable_defined?("@conditional_hooked_#{cb}")
next if defd && base.instance_variable_get("@conditional_hooked_#{cb}")
base.send(:alias_method, "#{cb}_without_conditions", cb)
base.send(:alias_method, cb, "#{cb}_with_conditions")
base.instance_variable_set("@conditional_hooked_#{cb}", true)
end
end
def pre_with_conditions(inst, args, budget = nil, &block)
eargs = [nil, framework, inst, args, @data, nil]
return nil if !pre_conditions.nil? && !pre_conditions.evaluate(*eargs)
pre_without_conditions(inst, args, budget, &block)
end
def post_with_conditions(rv, inst, args, budget = nil, &block)
eargs = [nil, framework, inst, args, @data, rv]
return nil if !post_conditions.nil? && !post_conditions.evaluate(*eargs)
post_without_conditions(rv, inst, args, budget, &block)
end
def failing_with_conditions(rv, inst, args, budget = nil, &block)
eargs = [nil, framework, inst, args, @data, rv]
return nil if !failing_conditions.nil? && !failing_conditions.evaluate(*eargs)
failing_without_conditions(rv, inst, args, budget, &block)
end
protected
attr_accessor :pre_conditions, :post_conditions, :failing_conditions
end
end
Version data entries
16 entries across 16 versions & 1 rubygems