require "lib/capabilities_key"
describe CapabilitiesKey do
	s = CapabilitiesKey.new		# "s" for "sample"
	id = 33						# example of an id
	tag = "apple sauce"			# example of a tag
	cap = s.cap_from_id_and_tag(id, tag)	# a resulting capability
	it "Should support instances being marshaled." do
		Marshal.load(Marshal.dump(s)).should == s
	end
	it "Should supply a capability that is a string." do
		cap.should is_a?(String)
	end
	it "Should recover the correct id and tag from a valid capability." do
		s.id_and_tag_from_cap(cap).should == [id, tag]
	end
	it "Should detect invalid capabilities in the vast majority of cases." do
		how_many_cases_to_try = 1000
		how_many_cases_have_failed_so_far = 0
		how_many_cases_to_try.times do
			how_many_cases_have_failed_so_far += 1 unless \
				CapabilitiesKey.new.id_and_tag_from_cap(cap).nil?
		end
		(how_many_cases_have_failed_so_far * 1000).should < how_many_cases_to_try
	end
	if false
		it "Should cure cancer." do
			1.should == 2
		end
	end
end