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Contents
module Stream
module Matchers
class FireEvent
def initialize(event_type, opts = {})
@event_type = event_type
@opts = opts
@method = :"fire_#{@event_type}_after_#{@opts[:on]}"
end
def matches?(subject)
@subject = subject
defines_callback_method? && setups_up_callback?
end
def defines_callback_method?
if @subject.instance_methods.include?(@method.to_s)
true
else
@missing = "#{@subject.name} does not respond to #{@method}"
false
end
end
def setups_up_callback?
callback_chain_name = "after_#{@opts[:on]}_callback_chain"
callback_chain = @subject.send(callback_chain_name)
if callback_chain.any? {|chain| chain.method == @method }
true
else
@missing = "does setup after #{@opts[:on]} callback for #{@method}"
false
end
end
def description
"fire a #{@event_type} event"
end
def expectation
expected = "#{@subject.name} to #{description}"
end
def failure_message
"Expected #{expectation} (#{@missing})"
end
def negative_failure_message
"Did not expect #{expectation}"
end
end
def fire_event(event_type, opts)
FireEvent.new(event_type, opts)
end
end
end
Version data entries
34 entries across 34 versions & 1 rubygems