# Generate NitUnit test file skeleton for `mmodule`.
	fun gen_test_unit(mmodule: MModule) do
		var test_file = "test_{mmodule.name}.nit"
		if test_file.file_exists and not toolcontext.opt_gen_force.value and not toolcontext.opt_gen_show.value then
			toolcontext.info("Skip generation for {mmodule}, file {test_file} already exists", 1)
			return
		end
		var generator = new NitUnitGenerator(toolcontext)
		var tpl = generator.gen_unit(mmodule, test_file)
		if toolcontext.opt_gen_show.value then
			tpl.write_to(sys.stdout)
		else
			tpl.write_to_file(test_file)
		end
	end