Module: Memory::RSpec::Profiler

Defined in:
lib/memory/rspec/profiler.rb

Class Method Summary collapse

Class Method Details

.profile(scope) ⇒ Object



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# File 'lib/memory/rspec/profiler.rb', line 11

def self.profile(scope)
	memory_sampler = nil
	
	scope.before(:all) do |example_group|
		name = example_group.class.description.gsub(/[^\w]+/, "-")
		path = "#{name}.mprof"
		
		skip if File.exist?(path)
		
		memory_sampler = Memory::Sampler.new
		memory_sampler.start
	end
	
	scope.after(:all) do |example_group|
		name = example_group.class.description.gsub(/[^\w]+/, "-")
		path = "#{name}.mprof"
		
		if memory_sampler
			memory_sampler.stop
			
			File.open(path, "w", encoding: Encoding::BINARY) do |io|
				memory_sampler.dump(io)
			end
			
			memory_sampler = nil
		end
	end
	
	scope.after(:suite) do
		memory_sampler = Memory::Sampler.new
		
		Dir.glob("*.mprof") do |path|
			memory_sampler.load(File.read(
				path,
				encoding: Encoding::BINARY,
			))
		end
		
		memory_sampler.report.print
	end
end