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|
import json
import unittest
try:
# Python >= 3.10
from collections.abc import Iterator
except ImportError:
# Python < 3.10
from collections.abc import Iterator
from unittest.mock import DEFAULT, patch, MagicMock
import requests_mock
from podman import PodmanClient, tests
from podman.domain.containers import Container
from podman.domain.containers_manager import ContainersManager
from podman.errors import ImageNotFound, NotFound
FIRST_CONTAINER = {
"Id": "87e1325c82424e49a00abdd4de08009eb76c7de8d228426a9b8af9318ced5ecd",
"Image": "quay.io/fedora:latest",
"Name": "evil_ptolemy",
"HostConfig": {"LogConfig": {"Type": "json-file"}},
}
SECOND_CONTAINER = {
"Id": "6dc84cc0a46747da94e4c1571efcc01a756b4017261440b4b8985d37203c3c03",
"Image": "quay.io/fedora:rc",
"Name": "good_galileo",
}
class ContainersManagerTestCase(unittest.TestCase):
"""Test ContainersManager area of concern.
Note:
Mock responses need to be coded for libpod returns. The python bindings are responsible
for mapping to compatible output.
"""
def setUp(self) -> None:
super().setUp()
self.client = PodmanClient(base_url=tests.BASE_SOCK)
def tearDown(self) -> None:
super().tearDown()
self.client.close()
def test_podmanclient(self):
manager = self.client.containers
self.assertIsInstance(manager, ContainersManager)
@requests_mock.Mocker()
def test_get(self, mock):
mock.get(
tests.LIBPOD_URL
+ "/containers/87e1325c82424e49a00abdd4de08009eb76c7de8d228426a9b8af9318ced5ecd/json",
json=FIRST_CONTAINER,
)
actual = self.client.containers.get(
"87e1325c82424e49a00abdd4de08009eb76c7de8d228426a9b8af9318ced5ecd"
)
self.assertEqual(
actual.id, "87e1325c82424e49a00abdd4de08009eb76c7de8d228426a9b8af9318ced5ecd"
)
@requests_mock.Mocker()
def test_get_404(self, mock):
mock.get(
tests.LIBPOD_URL
+ "/containers/87e1325c82424e49a00abdd4de08009eb76c7de8d228426a9b8af9318ced5ecd/json",
json={
"cause": "Container not found.",
"message": "Container not found.",
"response": 404,
},
status_code=404,
)
with self.assertRaises(NotFound):
self.client.containers.get(
"87e1325c82424e49a00abdd4de08009eb76c7de8d228426a9b8af9318ced5ecd"
)
@requests_mock.Mocker()
def test_list_empty(self, mock):
mock.get(
tests.LIBPOD_URL + "/containers/json",
text="[]",
)
actual = self.client.containers.list()
self.assertListEqual(actual, [])
@requests_mock.Mocker()
def test_list(self, mock):
mock.get(
tests.LIBPOD_URL + "/containers/json",
json=[FIRST_CONTAINER, SECOND_CONTAINER],
)
actual = self.client.containers.list()
self.assertIsInstance(actual, list)
self.assertEqual(
actual[0].id, "87e1325c82424e49a00abdd4de08009eb76c7de8d228426a9b8af9318ced5ecd"
)
self.assertEqual(
actual[1].id, "6dc84cc0a46747da94e4c1571efcc01a756b4017261440b4b8985d37203c3c03"
)
@requests_mock.Mocker()
def test_list_filtered(self, mock):
mock.get(
tests.LIBPOD_URL + "/containers/json?"
"all=True"
"&filters=%7B"
"%22before%22%3A"
"+%5B%226dc84cc0a46747da94e4c1571efcc01a756b4017261440b4b8985d37203c3c03%22%5D%2C"
"+%22since%22%3A"
"+%5B%2287e1325c82424e49a00abdd4de08009eb76c7de8d228426a9b8af9318ced5ecd%22%5D%2C"
"+%22status%22%3A+%5B%22running%22%5D%7D",
json=[FIRST_CONTAINER, SECOND_CONTAINER],
)
actual = self.client.containers.list(
all=True,
filters={"status": "running"},
since="87e1325c82424e49a00abdd4de08009eb76c7de8d228426a9b8af9318ced5ecd",
before="6dc84cc0a46747da94e4c1571efcc01a756b4017261440b4b8985d37203c3c03",
)
self.assertIsInstance(actual, list)
self.assertEqual(
actual[0].id, "87e1325c82424e49a00abdd4de08009eb76c7de8d228426a9b8af9318ced5ecd"
)
self.assertEqual(
actual[1].id, "6dc84cc0a46747da94e4c1571efcc01a756b4017261440b4b8985d37203c3c03"
)
@requests_mock.Mocker()
def test_list_no_filters(self, mock):
mock.get(
tests.LIBPOD_URL + "/containers/json",
json=[FIRST_CONTAINER, SECOND_CONTAINER],
)
actual = self.client.containers.list()
self.assertIsInstance(actual, list)
self.assertEqual(
actual[0].id, "87e1325c82424e49a00abdd4de08009eb76c7de8d228426a9b8af9318ced5ecd"
)
self.assertEqual(
actual[1].id, "6dc84cc0a46747da94e4c1571efcc01a756b4017261440b4b8985d37203c3c03"
)
@requests_mock.Mocker()
def test_prune(self, mock):
mock.post(
tests.LIBPOD_URL + "/containers/prune",
json=[
{
"Id": "87e1325c82424e49a00abdd4de08009eb76c7de8d228426a9b8af9318ced5ecd",
"Size": 1024,
},
{
"Id": "6dc84cc0a46747da94e4c1571efcc01a756b4017261440b4b8985d37203c3c03",
"Size": 1024,
},
],
)
actual = self.client.containers.prune()
self.assertDictEqual(
actual,
{
"ContainersDeleted": [
"87e1325c82424e49a00abdd4de08009eb76c7de8d228426a9b8af9318ced5ecd",
"6dc84cc0a46747da94e4c1571efcc01a756b4017261440b4b8985d37203c3c03",
],
"SpaceReclaimed": 2048,
},
)
@requests_mock.Mocker()
def test_create(self, mock):
mock.post(
tests.LIBPOD_URL + "/containers/create",
status_code=201,
json={
"Id": "87e1325c82424e49a00abdd4de08009eb76c7de8d228426a9b8af9318ced5ecd",
"Warnings": [],
},
)
mock.get(
tests.LIBPOD_URL
+ "/containers/87e1325c82424e49a00abdd4de08009eb76c7de8d228426a9b8af9318ced5ecd/json",
json=FIRST_CONTAINER,
)
actual = self.client.containers.create("fedora", "/usr/bin/ls", cpu_count=9999)
self.assertIsInstance(actual, Container)
@requests_mock.Mocker()
def test_create_404(self, mock):
mock.post(
tests.LIBPOD_URL + "/containers/create",
status_code=404,
json={
"cause": "Image not found",
"message": "Image not found",
"response": 404,
},
)
with self.assertRaises(ImageNotFound):
self.client.containers.create("fedora", "/usr/bin/ls", cpu_count=9999)
@requests_mock.Mocker()
def test_create_parse_host_port(self, mock):
mock_response = MagicMock()
mock_response.json = lambda: {
"Id": "87e1325c82424e49a00abdd4de08009eb76c7de8d228426a9b8af9318ced5ecd",
"Size": 1024,
}
self.client.containers.client.post = MagicMock(return_value=mock_response)
mock.get(
tests.LIBPOD_URL
+ "/containers/87e1325c82424e49a00abdd4de08009eb76c7de8d228426a9b8af9318ced5ecd/json",
json=FIRST_CONTAINER,
)
port_str = {'2233': 3333}
port_str_protocol = {'2244/tcp': 3344}
port_int = {2255: 3355}
ports = {**port_str, **port_str_protocol, **port_int}
self.client.containers.create("fedora", "/usr/bin/ls", ports=ports)
self.client.containers.client.post.assert_called()
expected_ports = [
{
'container_port': 2233,
'host_port': 3333,
'protocol': 'tcp',
},
{
'container_port': 2244,
'host_port': 3344,
'protocol': 'tcp',
},
{
'container_port': 2255,
'host_port': 3355,
'protocol': 'tcp',
},
]
actual_ports = json.loads(self.client.containers.client.post.call_args[1]['data'])[
'portmappings'
]
self.assertEqual(expected_ports, actual_ports)
def test_create_unsupported_key(self):
with self.assertRaises(TypeError):
self.client.containers.create("fedora", "/usr/bin/ls", blkio_weight=100.0)
def test_create_unknown_key(self):
with self.assertRaises(TypeError):
self.client.containers.create("fedora", "/usr/bin/ls", unknown_key=100.0)
@requests_mock.Mocker()
def test_run_detached(self, mock):
mock.post(
tests.LIBPOD_URL + "/containers/create",
status_code=201,
json={
"Id": "87e1325c82424e49a00abdd4de08009eb76c7de8d228426a9b8af9318ced5ecd",
"Warnings": [],
},
)
mock.post(
tests.LIBPOD_URL
+ "/containers/87e1325c82424e49a00abdd4de08009eb76c7de8d228426a9b8af9318ced5ecd/start",
status_code=204,
)
mock.get(
tests.LIBPOD_URL
+ "/containers/87e1325c82424e49a00abdd4de08009eb76c7de8d228426a9b8af9318ced5ecd/json",
json=FIRST_CONTAINER,
)
with patch.multiple(Container, logs=DEFAULT, wait=DEFAULT, autospec=True) as mock_container:
mock_container["logs"].return_value = []
mock_container["wait"].return_value = {"StatusCode": 0}
actual = self.client.containers.run("fedora", "/usr/bin/ls", detach=True)
self.assertIsInstance(actual, Container)
@requests_mock.Mocker()
def test_run(self, mock):
mock.post(
tests.LIBPOD_URL + "/containers/create",
status_code=201,
json={
"Id": "87e1325c82424e49a00abdd4de08009eb76c7de8d228426a9b8af9318ced5ecd",
"Warnings": [],
},
)
mock.post(
tests.LIBPOD_URL
+ "/containers/87e1325c82424e49a00abdd4de08009eb76c7de8d228426a9b8af9318ced5ecd/start",
status_code=204,
)
mock.get(
tests.LIBPOD_URL
+ "/containers/87e1325c82424e49a00abdd4de08009eb76c7de8d228426a9b8af9318ced5ecd/json",
json=FIRST_CONTAINER,
)
mock_logs = (
b"This is a unittest - line 1",
b"This is a unittest - line 2",
)
with patch.multiple(Container, logs=DEFAULT, wait=DEFAULT, autospec=True) as mock_container:
mock_container["wait"].return_value = 0
with self.subTest("Results not streamed"):
mock_container["logs"].return_value = iter(mock_logs)
actual = self.client.containers.run("fedora", "/usr/bin/ls")
self.assertIsInstance(actual, bytes)
self.assertEqual(actual, b'This is a unittest - line 1This is a unittest - line 2')
# iter() cannot be reset so subtests used to create new instance
with self.subTest("Stream results"):
mock_container["logs"].return_value = iter(mock_logs)
actual = self.client.containers.run("fedora", "/usr/bin/ls", stream=True)
self.assertNotIsInstance(actual, bytes)
self.assertIsInstance(actual, Iterator)
self.assertEqual(next(actual), b"This is a unittest - line 1")
self.assertEqual(next(actual), b"This is a unittest - line 2")
if __name__ == '__main__':
unittest.main()
|
