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gns3-server/tests/compute/traceng/test_traceng_vm.py
2020-06-16 01:57:16 -07:00

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# -*- coding: utf-8 -*-
#
# Copyright (C) 2020 GNS3 Technologies Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import pytest
import asyncio
from tests.utils import asyncio_patch, AsyncioMagicMock
from unittest.mock import patch, MagicMock, ANY
from gns3server.compute.traceng.traceng_vm import TraceNGVM
from gns3server.compute.traceng.traceng_error import TraceNGError
from gns3server.compute.traceng import TraceNG
from gns3server.compute.notification_manager import NotificationManager
@pytest.fixture
async def manager(loop, port_manager):
m = TraceNG.instance()
m.port_manager = port_manager
return m
@pytest.fixture(scope="function")
async def vm(compute_project, manager, ubridge_path):
vm = TraceNGVM("test", "00010203-0405-0607-0809-0a0b0c0d0e0f", compute_project, manager)
vm._start_ubridge = AsyncioMagicMock()
vm._ubridge_hypervisor = MagicMock()
vm._ubridge_hypervisor.is_running.return_value = True
return vm
async def test_vm(project, manager):
vm = TraceNGVM("test", "00010203-0405-0607-0809-0a0b0c0d0e0f", project, manager)
assert vm.name == "test"
assert vm.id == "00010203-0405-0607-0809-0a0b0c0d0e0f"
async def test_vm_invalid_traceng_path(vm, manager):
with patch("gns3server.compute.traceng.traceng_vm.TraceNGVM._traceng_path", return_value="/tmp/fake/path/traceng"):
with pytest.raises(TraceNGError):
nio = manager.create_nio({"type": "nio_udp", "lport": 4242, "rport": 4243, "rhost": "127.0.0.1"})
await vm.port_add_nio_binding(0, nio)
await vm.start()
assert vm.name == "test"
assert vm.id == "00010203-0405-0607-0809-0a0b0c0d0e0e"
async def test_start(vm):
process = MagicMock()
process.returncode = None
with NotificationManager.instance().queue() as queue:
await queue.get(1) # Ping
vm.ip_address = "192.168.1.1"
with patch("sys.platform", return_value="win"):
with asyncio_patch("gns3server.compute.traceng.traceng_vm.TraceNGVM._check_requirements", return_value=True):
with asyncio_patch("asyncio.create_subprocess_exec", return_value=process) as mock_exec:
await vm.start("192.168.1.2")
assert mock_exec.call_args[0] == (vm._traceng_path(),
'-u',
'-c',
ANY,
'-v',
ANY,
'-b',
'127.0.0.1',
'-s',
'ICMP',
'-f',
'192.168.1.1',
'192.168.1.2')
assert vm.is_running()
assert vm.command_line == ' '.join(mock_exec.call_args[0])
(action, event, kwargs) = await queue.get(1)
assert action == "node.updated"
assert event == vm
async def test_stop(vm):
process = MagicMock()
# Wait process kill success
future = asyncio.Future()
future.set_result(True)
process.wait.return_value = future
process.returncode = None
vm.ip_address = "192.168.1.1"
with NotificationManager.instance().queue() as queue:
with patch("sys.platform", return_value="win"):
with asyncio_patch("gns3server.compute.traceng.traceng_vm.TraceNGVM._check_requirements", return_value=True):
with asyncio_patch("asyncio.create_subprocess_exec", return_value=process):
nio = TraceNG.instance().create_nio({"type": "nio_udp", "lport": 4242, "rport": 4243, "rhost": "127.0.0.1", "filters": {}})
await vm.port_add_nio_binding(0, nio)
vm._ubridge_send = AsyncioMagicMock()
await vm.start("192.168.1.2")
assert vm.is_running()
with asyncio_patch("gns3server.utils.asyncio.wait_for_process_termination"):
await vm.stop()
assert vm.is_running() is False
process.terminate.assert_called_with()
await queue.get(1) #  Ping
await queue.get(1) #  Started
(action, event, kwargs) = await queue.get(1)
assert action == "node.updated"
assert event == vm
async def test_reload(vm):
process = MagicMock()
# Wait process kill success
future = asyncio.Future()
future.set_result(True)
process.wait.return_value = future
process.returncode = None
vm.ip_address = "192.168.1.1"
with patch("sys.platform", return_value="win"):
with asyncio_patch("gns3server.compute.traceng.traceng_vm.TraceNGVM._check_requirements", return_value=True):
with asyncio_patch("asyncio.create_subprocess_exec", return_value=process):
nio = TraceNG.instance().create_nio({"type": "nio_udp", "lport": 4242, "rport": 4243, "rhost": "127.0.0.1", "filters": {}})
await vm.port_add_nio_binding(0, nio)
vm._ubridge_send = AsyncioMagicMock()
await vm.start("192.168.1.2")
assert vm.is_running()
with asyncio_patch("gns3server.utils.asyncio.wait_for_process_termination"):
await vm.reload()
assert vm.is_running() is True
#if sys.platform.startswith("win"):
# process.send_signal.assert_called_with(1)
#else:
process.terminate.assert_called_with()
async def test_add_nio_binding_udp(vm):
nio = TraceNG.instance().create_nio({"type": "nio_udp", "lport": 4242, "rport": 4243, "rhost": "127.0.0.1", "filters": {}})
await vm.port_add_nio_binding(0, nio)
assert nio.lport == 4242
async def test_port_remove_nio_binding(vm):
nio = TraceNG.instance().create_nio({"type": "nio_udp", "lport": 4242, "rport": 4243, "rhost": "127.0.0.1"})
await asyncio.ensure_future(vm.port_add_nio_binding(0, nio))
await vm.port_remove_nio_binding(0)
assert vm._ethernet_adapter.ports[0] is None
async def test_close(vm):
vm.ip_address = "192.168.1.1"
with patch("sys.platform", return_value="win"):
with asyncio_patch("gns3server.compute.traceng.traceng_vm.TraceNGVM._check_requirements", return_value=True):
with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()):
await vm.start("192.168.1.2")
await vm.close()
assert vm.is_running() is False