mirror of
https://github.com/GNS3/gns3-server
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220 lines
8.5 KiB
Python
220 lines
8.5 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2015 GNS3 Technologies Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import os
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import stat
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import sys
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import pytest
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import platform
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from gns3server.compute.qemu import Qemu
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from gns3server.compute.qemu.qemu_error import QemuError
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from tests.utils import asyncio_patch
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from unittest.mock import patch, MagicMock
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@pytest.fixture
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def fake_qemu_img_binary(tmpdir):
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if sys.platform.startswith("win"):
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bin_path = str(tmpdir / "qemu-img.EXE")
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else:
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bin_path = str(tmpdir / "qemu-img")
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with open(bin_path, "w+") as f:
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f.write("1")
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os.chmod(bin_path, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR)
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return bin_path
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async def test_get_qemu_version():
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with asyncio_patch("gns3server.compute.qemu.subprocess_check_output", return_value="QEMU emulator version 2.2.0, Copyright (c) 2003-2008 Fabrice Bellard"):
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version = await Qemu.get_qemu_version("/tmp/qemu-test")
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if sys.platform.startswith("win"):
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assert version == ""
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else:
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assert version == "2.2.0"
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async def test_binary_list(monkeypatch, tmpdir):
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monkeypatch.setenv("PATH", str(tmpdir))
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files_to_create = ["qemu-system-x86", "qemu-system-x42", "qemu-kvm", "hello", "qemu-system-x86_64-spice"]
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for file_to_create in files_to_create:
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path = os.path.join(os.environ["PATH"], file_to_create)
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with open(path, "w+") as f:
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f.write("1")
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os.chmod(path, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR)
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with asyncio_patch("gns3server.compute.qemu.subprocess_check_output", return_value="QEMU emulator version 2.2.0, Copyright (c) 2003-2008 Fabrice Bellard") as mock:
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if sys.platform.startswith("win"):
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version = ""
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else:
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version = "2.2.0"
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qemus = await Qemu.binary_list()
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assert {"path": os.path.join(os.environ["PATH"], "qemu-system-x86"), "version": version} in qemus
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assert {"path": os.path.join(os.environ["PATH"], "qemu-kvm"), "version": version} in qemus
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assert {"path": os.path.join(os.environ["PATH"], "qemu-system-x42"), "version": version} in qemus
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assert {"path": os.path.join(os.environ["PATH"], "hello"), "version": version} not in qemus
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qemus = await Qemu.binary_list(["x86"])
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assert {"path": os.path.join(os.environ["PATH"], "qemu-system-x86"), "version": version} in qemus
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assert {"path": os.path.join(os.environ["PATH"], "qemu-kvm"), "version": version} not in qemus
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assert {"path": os.path.join(os.environ["PATH"], "qemu-system-x42"), "version": version} not in qemus
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assert {"path": os.path.join(os.environ["PATH"], "hello"), "version": version} not in qemus
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qemus = await Qemu.binary_list(["x86", "x42"])
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assert {"path": os.path.join(os.environ["PATH"], "qemu-system-x86"), "version": version} in qemus
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assert {"path": os.path.join(os.environ["PATH"], "qemu-kvm"), "version": version} not in qemus
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assert {"path": os.path.join(os.environ["PATH"], "qemu-system-x42"), "version": version} in qemus
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assert {"path": os.path.join(os.environ["PATH"], "hello"), "version": version} not in qemus
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async def test_img_binary_list(monkeypatch, tmpdir):
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monkeypatch.setenv("PATH", str(tmpdir))
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files_to_create = ["qemu-img", "qemu-io", "qemu-system-x86", "qemu-system-x42", "qemu-kvm", "hello"]
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for file_to_create in files_to_create:
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path = os.path.join(os.environ["PATH"], file_to_create)
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with open(path, "w+") as f:
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f.write("1")
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os.chmod(path, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR)
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with asyncio_patch("gns3server.compute.qemu.subprocess_check_output", return_value="qemu-img version 2.2.0, Copyright (c) 2004-2008 Fabrice Bellard") as mock:
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qemus = await Qemu.img_binary_list()
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version = "2.2.0"
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assert {"path": os.path.join(os.environ["PATH"], "qemu-img"), "version": version} in qemus
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assert {"path": os.path.join(os.environ["PATH"], "qemu-io"), "version": version} not in qemus
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assert {"path": os.path.join(os.environ["PATH"], "qemu-system-x86"), "version": version} not in qemus
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assert {"path": os.path.join(os.environ["PATH"], "qemu-kvm"), "version": version} not in qemus
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assert {"path": os.path.join(os.environ["PATH"], "qemu-system-x42"), "version": version} not in qemus
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assert {"path": os.path.join(os.environ["PATH"], "hello"), "version": version} not in qemus
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def test_get_legacy_vm_workdir():
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assert Qemu.get_legacy_vm_workdir(42, "bla") == os.path.join("qemu", "vm-42")
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async def test_create_image_abs_path(tmpdir, fake_qemu_img_binary):
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options = {
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"format": "qcow2",
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"preallocation": "metadata",
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"cluster_size": 64,
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"refcount_bits": 12,
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"lazy_refcounts": "off",
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"size": 100
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}
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with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()) as process:
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await Qemu.instance().create_disk(fake_qemu_img_binary, str(tmpdir / "hda.qcow2"), options)
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args, kwargs = process.call_args
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assert args == (
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fake_qemu_img_binary,
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"create",
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"-f",
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"qcow2",
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"-o",
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"cluster_size=64",
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"-o",
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"lazy_refcounts=off",
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"-o",
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"preallocation=metadata",
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"-o",
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"refcount_bits=12",
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str(tmpdir / "hda.qcow2"),
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"100M"
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)
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async def test_create_image_relative_path(tmpdir, fake_qemu_img_binary):
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options = {
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"format": "raw",
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"size": 100
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}
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with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()) as process:
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with patch("gns3server.compute.qemu.Qemu.get_images_directory", return_value=str(tmpdir)):
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await Qemu.instance().create_disk(fake_qemu_img_binary, "hda.qcow2", options)
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args, kwargs = process.call_args
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assert args == (
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fake_qemu_img_binary,
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"create",
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"-f",
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"raw",
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str(tmpdir / "hda.qcow2"),
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"100M"
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)
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async def test_create_image_exist(tmpdir, fake_qemu_img_binary):
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open(str(tmpdir / "hda.qcow2"), "w+").close()
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options = {
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"format": "raw",
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"size": 100
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}
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with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()) as process:
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with patch("gns3server.compute.qemu.Qemu.get_images_directory", return_value=str(tmpdir)):
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with pytest.raises(QemuError):
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await Qemu.instance().create_disk(fake_qemu_img_binary, "hda.qcow2", options)
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assert not process.called
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async def test_create_image_with_not_supported_characters_by_filesystem(tmpdir, fake_qemu_img_binary):
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open(str(tmpdir / "hda.qcow2"), "w+").close()
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options = {
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"format": "raw",
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"size": 100
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}
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# patching os.makedirs is necessary as it depends on already mocked os.path.exists
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with asyncio_patch("asyncio.create_subprocess_exec", return_value=MagicMock()) as process, \
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patch("gns3server.compute.qemu.Qemu._init_config_disk", return_value=MagicMock()), \
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patch("gns3server.compute.qemu.Qemu.get_images_directory", return_value=str(tmpdir)), \
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patch("os.path.exists", side_effect=UnicodeEncodeError('error', u"", 1, 2, 'Emulated Unicode Err')),\
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patch("os.makedirs"):
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with pytest.raises(QemuError):
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await Qemu.instance().create_disk(fake_qemu_img_binary, "hda.qcow2", options)
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assert not process.called
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async def test_get_kvm_archs_kvm_ok():
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with patch("os.path.exists", return_value=True):
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archs = await Qemu.get_kvm_archs()
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if platform.machine() == 'x86_64':
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assert archs == ['x86_64', 'i386']
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else:
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assert archs == [platform.machine()]
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with patch("os.path.exists", return_value=False):
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archs = await Qemu.get_kvm_archs()
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assert archs == []
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