def test_broken_pipe(self): port_obj = TrivialMockPort() port_obj.host.platform.os_name = 'win' server_process = FakeServerProcess(port_obj=port_obj, name="test", cmd=["test"]) server_process.write("should break") self.assertTrue(server_process.has_crashed()) self.assertIsNotNone(server_process.pid()) self.assertIsNone(server_process._proc) self.assertEqual(server_process.broken_pipes, [server_process.stdin]) port_obj.host.platform.os_name = 'mac' server_process = FakeServerProcess(port_obj=port_obj, name="test", cmd=["test"]) server_process.write("should break") self.assertTrue(server_process.has_crashed()) self.assertIsNone(server_process._proc) self.assertEqual(server_process.broken_pipes, [server_process.stdin])