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# Copyright, 2017, by Samuel G. D. Williams. <http://www.codeotaku.com>
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
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# copies of the Software, and to permit persons to whom the Software is
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# 
# The above copyright notice and this permission notice shall be included in
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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module Async
	module RSpec
		module Leaks
			def current_ios(gc: GC.start)
				all_ios = ObjectSpace.each_object(::IO).to_a.sort_by(&:object_id)
				
				# We are not interested in ios that have been closed already:
				return all_ios.reject{|io| io.closed?}
			end
		end
		
		RSpec.shared_context Leaks do
			include Leaks
			
			let!(:before_ios) {current_ios}
			let(:after_ios) {current_ios}
			
			# We use around(:each) because it's the highest priority.
			around(:each) do |example|
				example.run.tap do
					expect(after_ios).to be == before_ios
				end
			end
		end
	end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
async-rspec-1.3.0	lib/async/rspec/leaks.rb