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import json
import subprocess
import unittest
import requests
import sys
import time
from .podman import Podman
class APITestCase(unittest.TestCase):
PODMAN_URL = "http://localhost:8080"
podman = None # initialized podman configuration for tests
service = None # podman service instance
@classmethod
def setUpClass(cls):
super().setUpClass()
APITestCase.podman = Podman()
APITestCase.service = APITestCase.podman.open(
"system", "service", "tcp:localhost:8080", "--time=0"
)
# give the service some time to be ready...
time.sleep(2)
returncode = APITestCase.service.poll()
if returncode is not None:
raise subprocess.CalledProcessError(returncode, "podman system service")
r = requests.post(
APITestCase.uri("/images/pull?reference=quay.io%2Flibpod%2Falpine%3Alatest")
)
if r.status_code != 200:
raise subprocess.CalledProcessError(
r.status_code, f"podman images pull quay.io/libpod/alpine:latest {r.text}"
)
@classmethod
def tearDownClass(cls):
APITestCase.service.terminate()
stdout, stderr = APITestCase.service.communicate(timeout=0.5)
if stdout:
sys.stdout.write("\nService Stdout:\n" + stdout.decode("utf-8"))
if stderr:
sys.stderr.write("\nService Stderr:\n" + stderr.decode("utf-8"))
return super().tearDownClass()
def setUp(self):
super().setUp()
APITestCase.podman.run("run", "-d", "alpine", "top", check=True)
def tearDown(self) -> None:
APITestCase.podman.run("pod", "rm", "--all", "--force", check=True)
APITestCase.podman.run("rm", "--all", "--force", check=True)
super().tearDown()
@property
def podman_url(self):
return "http://localhost:8080"
@staticmethod
def uri(path):
return APITestCase.PODMAN_URL + "/v2.0.0/libpod" + path
def resolve_container(self, path):
"""Find 'first' container and return 'Id' formatted into given URI path."""
try:
r = requests.get(self.uri("/containers/json?all=true"))
containers = r.json()
except Exception as e:
msg = f"Bad container response: {e}"
if r is not None:
msg += ": " + r.text
raise self.failureException(msg)
return path.format(containers[0]["Id"])
def assertContainerExists(self, member, msg=None): # pylint: disable=invalid-name
r = requests.get(self.uri(f"/containers/{member}/exists"))
if r.status_code == 404:
if msg is None:
msg = f"Container '{member}' does not exist."
self.failureException(msg)
def assertContainerNotExists(self, member, msg=None): # pylint: disable=invalid-name
r = requests.get(self.uri(f"/containers/{member}/exists"))
if r.status_code == 204:
if msg is None:
msg = f"Container '{member}' exists."
self.failureException(msg)
def assertId(self, content): # pylint: disable=invalid-name
objects = json.loads(content)
try:
if isinstance(objects, dict):
_ = objects["Id"]
else:
for item in objects:
_ = item["Id"]
except KeyError:
self.failureException("Failed in find 'Id' in return value.")
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