mirror of
https://github.com/GNS3/gns3-server
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259 lines
8.9 KiB
Python
259 lines
8.9 KiB
Python
#!/usr/bin/env python
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#
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# Copyright (C) 2020 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 asyncio
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import pytest
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import pytest_asyncio
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from unittest.mock import MagicMock, patch
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from tests.utils import asyncio_patch, AsyncioMagicMock
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from gns3server.compute.docker import Docker, DOCKER_PREFERRED_API_VERSION, DOCKER_MINIMUM_API_VERSION
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from gns3server.compute.docker.docker_error import DockerError, DockerHttp404Error
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@pytest_asyncio.fixture
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async def vm():
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vm = Docker()
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vm._connected = True
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vm._session = MagicMock()
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vm._session.closed = False
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return vm
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@pytest.mark.asyncio
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async def test_query_success(vm):
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response = MagicMock()
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response.status = 200
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response.headers = {'CONTENT-TYPE': 'application/json'}
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async def read():
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return b'{"c": false}'
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response.read.side_effect = read
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vm._session.request = AsyncioMagicMock(return_value=response)
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data = await vm.query("POST", "test", data={"a": True}, params={"b": 1})
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vm._session.request.assert_called_with('POST',
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'http://docker/v1.25/test',
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data='{"a": true}',
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headers={'content-type': 'application/json'},
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params={'b': 1},
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timeout=300)
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assert data == {"c": False}
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@pytest.mark.asyncio
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async def test_query_error(vm):
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response = MagicMock()
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response.status = 404
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async def read():
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return b"NOT FOUND"
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response.read.side_effect = read
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vm._session.request = AsyncioMagicMock(return_value=response)
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with pytest.raises(DockerError):
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await vm.query("POST", "test", data={"a": True}, params={"b": 1})
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vm._session.request.assert_called_with('POST',
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'http://docker/v1.25/test',
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data='{"a": true}',
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headers={'content-type': 'application/json'},
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params={'b': 1},
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timeout=300)
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@pytest.mark.asyncio
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async def test_query_error_json(vm):
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response = MagicMock()
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response.status = 404
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async def read():
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return b'{"message": "Error"}'
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response.read.side_effect = read
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vm._session.request = AsyncioMagicMock(return_value=response)
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with pytest.raises(DockerError):
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await vm.query("POST", "test", data={"a": True}, params={"b": 1})
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vm._session.request.assert_called_with('POST',
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'http://docker/v1.25/test',
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data='{"a": true}',
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headers={'content-type': 'application/json'},
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params={'b': 1},
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timeout=300)
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@pytest.mark.asyncio
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async def test_list_images():
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response = [
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{
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"RepoTags": [
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"ubuntu:12.04",
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"ubuntu:precise",
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"ubuntu:latest"
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],
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"Id": "8dbd9e392a964056420e5d58ca5cc376ef18e2de93b5cc90e868a1bbc8318c1c",
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"Created": 1365714795,
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"Size": 131506275,
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"VirtualSize": 131506275
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},
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{
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"RepoTags": [
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"ubuntu:12.10",
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"ubuntu:quantal",
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"<none>:<none>"
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],
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"ParentId": "27cf784147099545",
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"Id": "b750fe79269d2ec9a3c593ef05b4332b1d1a02a62b4accb2c21d589ff2f5f2dc",
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"Created": 1364102658,
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"Size": 24653,
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"VirtualSize": 180116135
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}
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]
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with asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response) as mock:
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images = await Docker.instance().list_images()
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mock.assert_called_with("GET", "images/json", params={"all": 0})
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assert len(images) == 5
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assert {"image": "ubuntu:12.04"} in images
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assert {"image": "ubuntu:precise"} in images
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assert {"image": "ubuntu:latest"} in images
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assert {"image": "ubuntu:12.10"} in images
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assert {"image": "ubuntu:quantal"} in images
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@pytest.mark.asyncio
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async def test_pull_image():
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class Response:
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"""
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Simulate a response split in multiple packets
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"""
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def __init__(self):
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self._read = -1
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async def read(self, size):
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self._read += 1
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if self._read == 0:
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return b'{"progress": "0/100",'
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elif self._read == 1:
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return '"id": 42}'
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else:
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None
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mock_query = MagicMock()
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mock_query.content.return_value = Response()
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with asyncio_patch("gns3server.compute.docker.Docker.query", side_effect=DockerHttp404Error("404")):
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with asyncio_patch("gns3server.compute.docker.Docker.http_query", return_value=mock_query) as mock:
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await Docker.instance().pull_image("ubuntu")
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mock.assert_called_with("POST", "images/create", params={"fromImage": "ubuntu"}, timeout=None)
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@pytest.mark.asyncio
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async def test_docker_check_connection_docker_minimum_version(vm):
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response = {
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'ApiVersion': '1.01',
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'Version': '1.12'
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}
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with patch("gns3server.compute.docker.Docker.connector"), \
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asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response):
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vm._connected = False
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with pytest.raises(DockerError):
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await vm._check_connection()
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@pytest.mark.asyncio
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async def test_docker_check_connection_docker_preferred_version_against_newer(vm):
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response = {
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'ApiVersion': '1.31'
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}
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with patch("gns3server.compute.docker.Docker.connector"), \
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asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response):
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vm._connected = False
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await vm._check_connection()
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assert vm._api_version == DOCKER_PREFERRED_API_VERSION
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@pytest.mark.asyncio
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async def test_docker_check_connection_docker_preferred_version_against_older(vm):
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response = {
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'ApiVersion': '1.27',
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}
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with patch("gns3server.compute.docker.Docker.connector"), \
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asyncio_patch("gns3server.compute.docker.Docker.query", return_value=response):
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vm._connected = False
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await vm._check_connection()
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assert vm._api_version == DOCKER_MINIMUM_API_VERSION
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@pytest.mark.asyncio
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async def test_install_busybox():
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mock_process = MagicMock()
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mock_process.returncode = 1 # means that busybox is not dynamically linked
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mock_process.communicate = AsyncioMagicMock(return_value=(b"", b"not a dynamic executable"))
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with patch("os.path.isfile", return_value=False):
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with patch("shutil.which", return_value="/usr/bin/busybox"):
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with asyncio_patch("asyncio.create_subprocess_exec", return_value=mock_process) as create_subprocess_mock:
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with patch("shutil.copy2") as copy2_mock:
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await Docker.install_busybox()
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create_subprocess_mock.assert_called_with(
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"ldd",
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"/usr/bin/busybox",
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stdout=asyncio.subprocess.PIPE,
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stderr=asyncio.subprocess.DEVNULL,
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)
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assert copy2_mock.called
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@pytest.mark.asyncio
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async def test_install_busybox_dynamic_linked():
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mock_process = MagicMock()
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mock_process.returncode = 0 # means that busybox is dynamically linked
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mock_process.communicate = AsyncioMagicMock(return_value=(b"Dynamically linked library", b""))
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with patch("os.path.isfile", return_value=False):
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with patch("shutil.which", return_value="/usr/bin/busybox"):
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with asyncio_patch("asyncio.create_subprocess_exec", return_value=mock_process):
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with pytest.raises(DockerError) as e:
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await Docker.install_busybox()
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assert str(e.value) == "No busybox executable could be found"
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@pytest.mark.asyncio
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async def test_install_busybox_no_executables():
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with patch("os.path.isfile", return_value=False):
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with patch("shutil.which", return_value=None):
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with pytest.raises(DockerError) as e:
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await Docker.install_busybox()
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assert str(e.value) == "No busybox executable could be found"
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