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import os
import random
import unittest
import requests
from .fixtures import APITestCase
class VolumeTestCase(APITestCase):
def test_volume_crud(self):
name = f"Volume_{random.getrandbits(160):x}"
ls = requests.get(self.podman_url + "/v1.40/volumes")
self.assertEqual(ls.status_code, 200, ls.text)
# See https://docs.docker.com/engine/api/v1.40/#operation/VolumeList
required_keys = (
"Volumes",
"Warnings",
)
volumes = ls.json()
self.assertIsInstance(volumes, dict)
for key in required_keys:
self.assertIn(key, volumes)
create = requests.post(self.podman_url + "/v1.40/volumes/create", json={"Name": name})
self.assertEqual(create.status_code, 201, create.text)
# See https://docs.docker.com/engine/api/v1.40/#operation/VolumeCreate
# and https://docs.docker.com/engine/api/v1.40/#operation/VolumeInspect
required_keys = (
"Name",
"Driver",
"Mountpoint",
"Labels",
"Scope",
"Options",
)
volume = create.json()
self.assertIsInstance(volume, dict)
for k in required_keys:
self.assertIn(k, volume)
self.assertEqual(volume["Name"], name)
inspect = requests.get(self.podman_url + f"/v1.40/volumes/{name}")
self.assertEqual(inspect.status_code, 200, inspect.text)
volume = inspect.json()
self.assertIsInstance(volume, dict)
for k in required_keys:
self.assertIn(k, volume)
rm = requests.delete(self.podman_url + f"/v1.40/volumes/{name}")
self.assertEqual(rm.status_code, 204, rm.text)
# recreate volume with data and then prune it
r = requests.post(self.podman_url + "/v1.40/volumes/create", json={"Name": name})
self.assertEqual(create.status_code, 201, create.text)
create = r.json()
with open(os.path.join(create["Mountpoint"], "test_prune"), "w") as file:
file.writelines(["This is a test\n", "This is a good test\n"])
prune = requests.post(self.podman_url + "/v1.40/volumes/prune")
self.assertEqual(prune.status_code, 200, prune.text)
payload = prune.json()
self.assertIn(name, payload["VolumesDeleted"])
self.assertGreater(payload["SpaceReclaimed"], 0)
def test_volume_label(self):
name = f"Volume_{random.getrandbits(160):x}"
expected = {
"Production": "False",
"Database": "Foxbase",
}
create = requests.post(
self.podman_url + "/v4.0.0/libpod/volumes/create",
json={"name": name, "label": expected},
)
self.assertEqual(create.status_code, 201, create.text)
inspect = requests.get(self.podman_url + f"/v4.0.0/libpod/volumes/{name}/json")
self.assertEqual(inspect.status_code, 200, inspect.text)
volume = inspect.json()
self.assertIn("Labels", volume)
self.assertNotIn("Label", volume)
self.assertDictEqual(expected, volume["Labels"])
def test_volume_labels(self):
name = f"Volume_{random.getrandbits(160):x}"
expected = {
"Production": "False",
"Database": "Foxbase",
}
create = requests.post(
self.podman_url + "/v4.0.0/libpod/volumes/create",
json={"name": name, "labels": expected},
)
self.assertEqual(create.status_code, 201, create.text)
inspect = requests.get(self.podman_url + f"/v4.0.0/libpod/volumes/{name}/json")
self.assertEqual(inspect.status_code, 200, inspect.text)
volume = inspect.json()
self.assertIn("Labels", volume)
self.assertDictEqual(expected, volume["Labels"])
def test_volume_label_override(self):
name = f"Volume_{random.getrandbits(160):x}"
create = requests.post(
self.podman_url + "/v4.0.0/libpod/volumes/create",
json={
"Name": name,
"Label": {
"Database": "dbase",
},
"Labels": {
"Database": "sqlserver",
},
},
)
self.assertEqual(create.status_code, 201, create.text)
inspect = requests.get(self.podman_url + f"/v4.0.0/libpod/volumes/{name}/json")
self.assertEqual(inspect.status_code, 200, inspect.text)
volume = inspect.json()
self.assertIn("Labels", volume)
self.assertNotIn("Label", volume)
self.assertDictEqual({"Database": "sqlserver"}, volume["Labels"])
if __name__ == "__main__":
unittest.main()
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