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gns3-server/tests/controller/test_link.py

351 lines
11 KiB
Python

#!/usr/bin/env python
#
# Copyright (C) 2016 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 os
import pytest
import aiohttp
import asyncio
from unittest.mock import MagicMock
from gns3server.controller.link import Link
from gns3server.controller.node import Node
from gns3server.controller.ports.ethernet_port import EthernetPort
from gns3server.controller.ports.serial_port import SerialPort
from gns3server.controller.compute import Compute
from gns3server.controller.project import Project
from tests.utils import AsyncioBytesIO, AsyncioMagicMock
@pytest.fixture
def project(controller):
return Project(controller=controller, name="Test")
@pytest.fixture
def compute():
return Compute("example.com", controller=MagicMock())
@pytest.fixture
def link(async_run, project, compute):
node1 = Node(project, compute, "node1", node_type="qemu")
node1._ports = [EthernetPort("E0", 0, 0, 4)]
node2 = Node(project, compute, "node2", node_type="qemu")
node2._ports = [EthernetPort("E0", 0, 1, 3)]
link = Link(project)
link.create = AsyncioMagicMock()
async_run(link.add_node(node1, 0, 4))
async_run(link.add_node(node2, 1, 3))
return link
def test_eq(project, link, controller):
assert link == Link(project, link_id=link.id)
assert link != "a"
assert link != Link(project)
def test_add_node(async_run, project, compute):
node1 = Node(project, compute, "node1", node_type="qemu")
node1._ports = [EthernetPort("E0", 0, 0, 4)]
link = Link(project)
link.create = AsyncioMagicMock()
link._project.controller.notification.emit = MagicMock()
project.dump = AsyncioMagicMock()
async_run(link.add_node(node1, 0, 4))
assert link._nodes == [
{
"node": node1,
"port": node1._ports[0],
"adapter_number": 0,
"port_number": 4,
'label': {
'y': -10,
'text': '0/4',
'x': -10,
'rotation': 0,
'style': 'font-size: 10; font-style: Verdana'
}
}
]
assert project.dump.called
assert not link._project.controller.notification.emit.called
assert not link.create.called
# We call link.created only when both side are created
node2 = Node(project, compute, "node2", node_type="qemu")
node2._ports = [EthernetPort("E0", 0, 0, 4)]
async_run(link.add_node(node2, 0, 4))
assert link.create.called
link._project.controller.notification.emit.assert_called_with("link.created", link.__json__())
assert link in node2.link
def test_add_node_already_connected(async_run, project, compute):
"""
Raise an error if we try to use an already connected port
"""
project.dump = AsyncioMagicMock()
node1 = Node(project, compute, "node1", node_type="qemu")
node1._ports = [EthernetPort("E0", 0, 0, 4)]
link = Link(project)
link.create = AsyncioMagicMock()
link._project.controller.notification.emit = MagicMock()
async_run(link.add_node(node1, 0, 4))
node2 = Node(project, compute, "node2", node_type="qemu")
node2._ports = [EthernetPort("E0", 0, 0, 4)]
async_run(link.add_node(node2, 0, 4))
assert link.create.called
link2 = Link(project)
link2.create = AsyncioMagicMock()
with pytest.raises(aiohttp.web.HTTPConflict):
async_run(link2.add_node(node1, 0, 4))
def test_add_node_cloud(async_run, project, compute):
node1 = Node(project, compute, "node1", node_type="qemu")
node1._ports = [EthernetPort("E0", 0, 0, 4)]
node2 = Node(project, compute, "node2", node_type="cloud")
node2._ports = [EthernetPort("E0", 0, 0, 4)]
link = Link(project)
link.create = AsyncioMagicMock()
link._project.controller.notification.emit = MagicMock()
async_run(link.add_node(node1, 0, 4))
async_run(link.add_node(node2, 0, 4))
def test_add_node_cloud_to_cloud(async_run, project, compute):
"""
Cloud to cloud connection is not allowed
"""
node1 = Node(project, compute, "node1", node_type="cloud")
node1._ports = [EthernetPort("E0", 0, 0, 4)]
node2 = Node(project, compute, "node2", node_type="cloud")
node2._ports = [EthernetPort("E0", 0, 0, 4)]
link = Link(project)
link.create = AsyncioMagicMock()
link._project.controller.notification.emit = MagicMock()
async_run(link.add_node(node1, 0, 4))
with pytest.raises(aiohttp.web.HTTPConflict):
async_run(link.add_node(node2, 0, 4))
def test_add_node_same_node(async_run, project, compute):
"""
Connection to the same node is not allowed
"""
node1 = Node(project, compute, "node1", node_type="qemu")
node1._ports = [EthernetPort("E0", 0, 0, 4), EthernetPort("E1", 0, 0, 5)]
link = Link(project)
link.create = AsyncioMagicMock()
link._project.controller.notification.emit = MagicMock()
async_run(link.add_node(node1, 0, 4))
with pytest.raises(aiohttp.web.HTTPConflict):
async_run(link.add_node(node1, 0, 5))
def test_add_node_serial_to_ethernet(async_run, project, compute):
"""
Serial to ethernet connection is not allowed
"""
node1 = Node(project, compute, "node1", node_type="qemu")
node1._ports = [EthernetPort("E0", 0, 0, 4)]
node2 = Node(project, compute, "node2", node_type="qemu")
node2._ports = [SerialPort("E0", 0, 0, 4)]
link = Link(project)
link.create = AsyncioMagicMock()
link._project.controller.notification.emit = MagicMock()
async_run(link.add_node(node1, 0, 4))
with pytest.raises(aiohttp.web.HTTPConflict):
async_run(link.add_node(node2, 0, 4))
def test_json(async_run, project, compute, link):
node1 = Node(project, compute, "node1", node_type="qemu")
node1._ports = [EthernetPort("E0", 0, 0, 4)]
node2 = Node(project, compute, "node2", node_type="qemu")
node2._ports = [EthernetPort("E0", 0, 1, 3)]
link = Link(project)
link.create = AsyncioMagicMock()
async_run(link.add_node(node1, 0, 4))
async_run(link.add_node(node2, 1, 3))
assert link.__json__() == {
"link_id": link.id,
"project_id": project.id,
"nodes": [
{
"node_id": node1.id,
"adapter_number": 0,
"port_number": 4,
'label': {
'y': -10,
'text': '0/4',
'x': -10,
'rotation': 0,
'style': 'font-size: 10; font-style: Verdana'
}
},
{
"node_id": node2.id,
"adapter_number": 1,
"port_number": 3,
'label': {
'y': -10,
'text': '1/3',
'x': -10,
'rotation': 0,
'style': 'font-size: 10; font-style: Verdana'
}
}
],
"link_type": "ethernet",
"capturing": False,
"capture_file_name": None,
"capture_file_path": None
}
assert link.__json__(topology_dump=True) == {
"link_id": link.id,
"nodes": [
{
"node_id": node1.id,
"adapter_number": 0,
"port_number": 4,
'label': {
'y': -10,
'text': '0/4',
'x': -10,
'rotation': 0,
'style': 'font-size: 10; font-style: Verdana'
}
},
{
"node_id": node2.id,
"adapter_number": 1,
"port_number": 3,
'label': {
'y': -10,
'text': '1/3',
'x': -10,
'rotation': 0,
'style': 'font-size: 10; font-style: Verdana'
}
}
]
}
def test_json_serial_link(async_run, project, compute, link):
node1 = Node(project, compute, "node1", node_type="qemu")
node1._ports = [SerialPort("S0", 0, 0, 4)]
node2 = Node(project, compute, "node2", node_type="qemu")
node2._ports = [SerialPort("S0", 0, 1, 3)]
link = Link(project)
link.create = AsyncioMagicMock()
async_run(link.add_node(node1, 0, 4))
async_run(link.add_node(node2, 1, 3))
assert link.__json__()["link_type"] == "serial"
def test_start_streaming_pcap(link, async_run, tmpdir, project):
@asyncio.coroutine
def fake_reader():
output = AsyncioBytesIO()
yield from output.write(b"hello")
output.seek(0)
return output
link._capture_file_name = "test.pcap"
link._capturing = True
link.read_pcap_from_source = fake_reader
async_run(link._start_streaming_pcap())
with open(os.path.join(project.captures_directory, "test.pcap"), "rb") as f:
c = f.read()
assert c == b"hello"
def test_default_capture_file_name(project, compute, async_run):
node1 = Node(project, compute, "Hello@", node_type="qemu")
node1._ports = [EthernetPort("E0", 0, 0, 4)]
node2 = Node(project, compute, "w0.rld", node_type="qemu")
node2._ports = [EthernetPort("E0", 0, 1, 3)]
link = Link(project)
link.create = AsyncioMagicMock()
async_run(link.add_node(node1, 0, 4))
async_run(link.add_node(node2, 1, 3))
assert link.default_capture_file_name() == "Hello_0-4_to_w0rld_1-3.pcap"
def test_start_capture(link, async_run, tmpdir, project, controller):
@asyncio.coroutine
def fake_reader():
return AsyncioBytesIO()
link.read_pcap_from_source = fake_reader
controller._notification = MagicMock()
async_run(link.start_capture(capture_file_name="test.pcap"))
assert link._capturing
assert link._capture_file_name == "test.pcap"
controller._notification.emit.assert_called_with("link.updated", link.__json__())
def test_stop_capture(link, async_run, tmpdir, project, controller):
link._capturing = True
controller._notification = MagicMock()
async_run(link.stop_capture())
assert link._capturing is False
controller._notification.emit.assert_called_with("link.updated", link.__json__())
def test_delete(async_run, project, compute):
node1 = Node(project, compute, "node1", node_type="qemu")
node1._ports = [EthernetPort("E0", 0, 0, 4)]
link = Link(project)
link.create = AsyncioMagicMock()
link._project.controller.notification.emit = MagicMock()
project.dump = AsyncioMagicMock()
async_run(link.add_node(node1, 0, 4))
node2 = Node(project, compute, "node2", node_type="qemu")
node2._ports = [EthernetPort("E0", 0, 0, 4)]
async_run(link.add_node(node2, 0, 4))
assert link in node2.link
async_run(link.delete())
assert link not in node2.link