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backup-docker-to-local/tests/unit/backup/test_docker_image_name.py
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import unittest
from unittest.mock import patch
from baudolo.backup import docker as docker_mod
def _with_image(reference: str):
return patch.object(docker_mod, "execute_shell_command", return_value=[reference])
class TestImageName(unittest.TestCase):
def test_plain_reference(self) -> None:
with _with_image("postgres:16"):
self.assertEqual(docker_mod.image_name("c1"), "postgres")
def test_registry_host_is_dropped(self) -> None:
with _with_image("svc-db-mariadb-swarm-mgr-01:5000/postgres_custom:17-3.5"):
self.assertEqual(docker_mod.image_name("c1"), "postgres_custom")
def test_pull_through_path_is_kept(self) -> None:
with _with_image(
"svc-db-mariadb-swarm-mgr-01:5000/ghcr.io/x/mirror/docker.io/postgres:16"
):
self.assertEqual(
docker_mod.image_name("c1"), "ghcr.io/x/mirror/docker.io/postgres"
)
def test_digest_is_dropped(self) -> None:
with _with_image("registry:5000/postgres@sha256:" + "0" * 64):
self.assertEqual(docker_mod.image_name("c1"), "postgres")
class TestHasImage(unittest.TestCase):
def test_registry_hostname_does_not_decide_the_engine(self) -> None:
with _with_image("svc-db-mariadb-swarm-mgr-01:5000/postgres_custom:17-3.5"):
self.assertFalse(docker_mod.has_image("c1", "mariadb"))
with _with_image("svc-db-mariadb-swarm-mgr-01:5000/postgres_custom:17-3.5"):
self.assertTrue(docker_mod.has_image("c1", "postgres"))
def test_tag_does_not_decide_the_engine(self) -> None:
with _with_image("registry:5000/xwiki_custom:lts-postgres-tomcat"):
self.assertFalse(docker_mod.has_image("c1", "postgres"))
def test_mirrored_mariadb_still_matches(self) -> None:
with _with_image("registry:5000/ghcr.io/x/mirror/docker.io/mariadb:11"):
self.assertTrue(docker_mod.has_image("c1", "mariadb"))
if __name__ == "__main__":
unittest.main()