| # Simple functional tests for VNC functionality |
| # |
| # Copyright (c) 2018 Red Hat, Inc. |
| # |
| # Author: |
| # Cleber Rosa <crosa@redhat.com> |
| # |
| # This work is licensed under the terms of the GNU GPL, version 2 or |
| # later. See the COPYING file in the top-level directory. |
| |
| import socket |
| from typing import List |
| |
| from avocado_qemu import QemuSystemTest |
| |
| |
| VNC_ADDR = '127.0.0.1' |
| VNC_PORT_START = 32768 |
| VNC_PORT_END = VNC_PORT_START + 1024 |
| |
| |
| def check_bind(port: int) -> bool: |
| with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock: |
| try: |
| sock.bind((VNC_ADDR, port)) |
| except OSError: |
| return False |
| |
| return True |
| |
| |
| def check_connect(port: int) -> bool: |
| with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock: |
| try: |
| sock.connect((VNC_ADDR, port)) |
| except ConnectionRefusedError: |
| return False |
| |
| return True |
| |
| |
| def find_free_ports(count: int) -> List[int]: |
| result = [] |
| for port in range(VNC_PORT_START, VNC_PORT_END): |
| if check_bind(port): |
| result.append(port) |
| if len(result) >= count: |
| break |
| assert len(result) == count |
| return result |
| |
| |
| class Vnc(QemuSystemTest): |
| """ |
| :avocado: tags=vnc,quick |
| :avocado: tags=machine:none |
| """ |
| def test_no_vnc(self): |
| self.vm.add_args('-nodefaults', '-S') |
| self.vm.launch() |
| self.assertFalse(self.vm.qmp('query-vnc')['return']['enabled']) |
| |
| def test_no_vnc_change_password(self): |
| self.vm.add_args('-nodefaults', '-S') |
| self.vm.launch() |
| self.assertFalse(self.vm.qmp('query-vnc')['return']['enabled']) |
| set_password_response = self.vm.qmp('change-vnc-password', |
| password='new_password') |
| self.assertIn('error', set_password_response) |
| self.assertEqual(set_password_response['error']['class'], |
| 'GenericError') |
| self.assertEqual(set_password_response['error']['desc'], |
| 'Could not set password') |
| |
| def test_change_password_requires_a_password(self): |
| self.vm.add_args('-nodefaults', '-S', '-vnc', ':0') |
| self.vm.launch() |
| self.assertTrue(self.vm.qmp('query-vnc')['return']['enabled']) |
| set_password_response = self.vm.qmp('change-vnc-password', |
| password='new_password') |
| self.assertIn('error', set_password_response) |
| self.assertEqual(set_password_response['error']['class'], |
| 'GenericError') |
| self.assertEqual(set_password_response['error']['desc'], |
| 'Could not set password') |
| |
| def test_change_password(self): |
| self.vm.add_args('-nodefaults', '-S', '-vnc', ':0,password=on') |
| self.vm.launch() |
| self.assertTrue(self.vm.qmp('query-vnc')['return']['enabled']) |
| self.vm.cmd('change-vnc-password', |
| password='new_password') |
| |
| def test_change_listen(self): |
| a, b, c = find_free_ports(3) |
| self.assertFalse(check_connect(a)) |
| self.assertFalse(check_connect(b)) |
| self.assertFalse(check_connect(c)) |
| |
| self.vm.add_args('-nodefaults', '-S', '-vnc', f'{VNC_ADDR}:{a - 5900}') |
| self.vm.launch() |
| self.assertEqual(self.vm.qmp('query-vnc')['return']['service'], str(a)) |
| self.assertTrue(check_connect(a)) |
| self.assertFalse(check_connect(b)) |
| self.assertFalse(check_connect(c)) |
| |
| self.vm.cmd('display-update', type='vnc', |
| addresses=[{'type': 'inet', 'host': VNC_ADDR, |
| 'port': str(b)}, |
| {'type': 'inet', 'host': VNC_ADDR, |
| 'port': str(c)}]) |
| self.assertEqual(self.vm.qmp('query-vnc')['return']['service'], str(b)) |
| self.assertFalse(check_connect(a)) |
| self.assertTrue(check_connect(b)) |
| self.assertTrue(check_connect(c)) |
