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gns3-server/tests/compute/qemu/test_qemu_manager.py

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# -*- coding: utf-8 -*-
#
# Copyright (C) 2015 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 stat
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import pytest
import platform
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import sys
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from gns3server.compute.qemu import Qemu
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
@pytest.fixture
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:
bin_path = str(tmpdir / "qemu-img")
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with open(bin_path, "w+") as f:
f.write("1")
os.chmod(bin_path, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR)
return bin_path
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@pytest.mark.asyncio
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"):
version = await Qemu.get_qemu_version("/tmp/qemu-test")
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assert version == "2.2.0"
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@pytest.mark.asyncio
async def test_binary_list(monkeypatch, tmpdir):
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monkeypatch.setenv("PATH", str(tmpdir))
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:
path = os.path.join(os.environ["PATH"], file_to_create)
with open(path, "w+") as f:
f.write("1")
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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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
assert {"path": os.path.join(os.environ["PATH"], "qemu-kvm"), "version": version} in qemus
assert {"path": os.path.join(os.environ["PATH"], "qemu-system-x42"), "version": version} in qemus
assert {"path": os.path.join(os.environ["PATH"], "hello"), "version": version} not in qemus
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qemus = await Qemu.binary_list(["x86"])
assert {"path": os.path.join(os.environ["PATH"], "qemu-system-x86"), "version": version} in qemus
assert {"path": os.path.join(os.environ["PATH"], "qemu-kvm"), "version": version} not in qemus
assert {"path": os.path.join(os.environ["PATH"], "qemu-system-x42"), "version": version} not in qemus
assert {"path": os.path.join(os.environ["PATH"], "hello"), "version": version} not in qemus
qemus = await Qemu.binary_list(["x86", "x42"])
assert {"path": os.path.join(os.environ["PATH"], "qemu-system-x86"), "version": version} in qemus
assert {"path": os.path.join(os.environ["PATH"], "qemu-kvm"), "version": version} not in qemus
assert {"path": os.path.join(os.environ["PATH"], "qemu-system-x42"), "version": version} in qemus
assert {"path": os.path.join(os.environ["PATH"], "hello"), "version": version} not in qemus
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# @pytest.mark.asyncio
# async def test_img_binary_list(monkeypatch, tmpdir):
#
# monkeypatch.setenv("PATH", str(tmpdir))
# files_to_create = ["qemu-img", "qemu-io", "qemu-system-x86", "qemu-system-x42", "qemu-kvm", "hello"]
#
# for file_to_create in files_to_create:
# path = os.path.join(os.environ["PATH"], file_to_create)
# with open(path, "w+") as f:
# f.write("1")
# os.chmod(path, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR)
#
# 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:
# qemus = await Qemu.img_binary_list()
#
# version = "2.2.0"
#
# assert {"path": os.path.join(os.environ["PATH"], "qemu-img"), "version": version} in qemus
# assert {"path": os.path.join(os.environ["PATH"], "qemu-io"), "version": version} not in qemus
# assert {"path": os.path.join(os.environ["PATH"], "qemu-system-x86"), "version": version} not in qemus
# assert {"path": os.path.join(os.environ["PATH"], "qemu-kvm"), "version": version} not in qemus
# assert {"path": os.path.join(os.environ["PATH"], "qemu-system-x42"), "version": version} not in qemus
# 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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@pytest.mark.asyncio
async def test_get_kvm_archs_kvm_ok():
with patch("os.path.exists", return_value=True):
archs = await Qemu.get_kvm_archs()
if platform.machine() == 'x86_64':
assert archs == ['x86_64', 'i386']
else:
assert archs == [platform.machine()]
with patch("os.path.exists", return_value=False):
archs = await Qemu.get_kvm_archs()
assert archs == []