mirror of https://github.com/GNS3/gns3-server
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
74 lines
2.3 KiB
74 lines
2.3 KiB
#!/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 shutil
|
|
import asyncio
|
|
|
|
from gns3server.compute.qemu.utils.qcow2 import Qcow2, Qcow2Error
|
|
|
|
|
|
def qemu_img():
|
|
"""
|
|
Return the path of qemu-img on system.
|
|
We can't use shutil.which because for safety reason we break
|
|
the PATH to avoid test interacting with real binaries
|
|
"""
|
|
paths = [
|
|
"/usr/bin/qemu-img",
|
|
"/usr/local/bin/qemu-img"
|
|
]
|
|
for path in paths:
|
|
if os.path.exists(path):
|
|
return path
|
|
return None
|
|
|
|
|
|
def test_valid_base_file():
|
|
qcow2 = Qcow2("tests/resources/empty8G.qcow2")
|
|
assert qcow2.version == 3
|
|
assert qcow2.backing_file is None
|
|
|
|
|
|
def test_valid_linked_file():
|
|
qcow2 = Qcow2("tests/resources/linked.qcow2")
|
|
assert qcow2.version == 3
|
|
assert qcow2.backing_file == "empty8G.qcow2"
|
|
|
|
|
|
def test_invalid_file():
|
|
with pytest.raises(Qcow2Error):
|
|
Qcow2("tests/resources/nvram_iou")
|
|
|
|
|
|
def test_invalid_empty_file(tmpdir):
|
|
open(str(tmpdir / 'a'), 'w+').close()
|
|
with pytest.raises(Qcow2Error):
|
|
Qcow2(str(tmpdir / 'a'))
|
|
|
|
|
|
@pytest.mark.skipif(qemu_img() is None, reason="qemu-img is not available")
|
|
def test_rebase(tmpdir, loop):
|
|
shutil.copy("tests/resources/empty8G.qcow2", str(tmpdir / "empty16G.qcow2"))
|
|
shutil.copy("tests/resources/linked.qcow2", str(tmpdir / "linked.qcow2"))
|
|
qcow2 = Qcow2(str(tmpdir / "linked.qcow2"))
|
|
assert qcow2.version == 3
|
|
assert qcow2.backing_file == "empty8G.qcow2"
|
|
loop.run_until_complete(asyncio.ensure_future(qcow2.rebase(qemu_img(), str(tmpdir / "empty16G.qcow2"))))
|
|
assert qcow2.backing_file == str(tmpdir / "empty16G.qcow2")
|