Add functional test for Container Repository Tags endpoint

Issue: AAH-906

galaxy_ng/tests/functional/cli/test_container_repository_tags.py

@@ -0,0 +1,90 @@
+from subprocess import run
+
+from galaxy_ng.tests.functional.utils import TestCaseUsingBindings
+from galaxy_ng.tests.functional.utils import set_up_module as setUpModule  # noqa:F401
+
+###
+# 1. login to registry
+#   - move to utils.py?
+# 2. tag and push images
+#   - move to utils.py?
+# 3. verify tags via api endpoint
+# 4. delete tags/images
+#   - move to utils.py?
+# 5. verify tags removed via api endpoint
+#
+
+
+class ContainerRepositoryTagsTestCase(TestCaseUsingBindings):
+    """Test whether a container repository's tags can be listed."""
+
+    @staticmethod
+    def login_to_registry(
+        container_engine="podman",
+        user="admin",
+        password="admin",
+        registry="localhost:5001"
+    ):
+        """Login to a registry
+        :param String container_engine: Container engine to be used, defaults to podman
+        :param String user: User to login as
+        :param String password: Password for User
+        :param String registry: Registry to login to, ie: localhost:5001
+        """
+        cmd = [
+            container_engine,
+            "login", "-u", user, "-p", password,
+            "--tls-verify=false",
+            registry
+        ]
+        run(cmd)
+
+    @staticmethod
+    def create_container_repository(
+        image,
+        registry,
+        container_engine="podman",
+        tag="latest",
+    ):
+        """Create a container repository with a tagged image.
+        :param String container_engine: Container engine to be used, defaults to podman
+        :param String image: Image to pulled, tagged and pushed to the registry
+        :param String tag: Optional tag for the image.  Defaults to 'latest'
+        :param String registry: Registry to login to, ie: localhost:5001
+        """
+        cmds = [
+            [container_engine, "pull", f"registry.access.redhat.com/{image}:{tag}"],
+            [
+                container_engine, "tag",
+                f"registry.access.redhat.com/{image}:{tag}",
+                f"{registry}/test-{image}:{tag}"
+            ],
+            [container_engine, "push", "--tls-verify=false", f"{registry}/{image}:{tag}"]
+        ]
+        for cmd in cmds:
+            run(cmd)
+
+    def delete_container_repository(self):
+        pass
+
+    def test_list_container_repository_tags(self):
+        self.setUpClass()
+        self.login_to_registry(password='password', registry='localhost')
+
+        image = "ubi8"
+        tags = ["8.2", "8.3"]
+        for tag in tags:
+            self.create_container_repository(
+                image=image,
+                registry="localhost",
+                tag=tag)
+
+        api_url = f"/_ui/v1/execution-environments/repositories/{image}/_content/tags/"
+        response = self.smash_client.get(
+            f"{self.galaxy_api_prefix}{api_url}"
+        )
+        print(response["data"][1])
+        print(response["data"][1]["name"])
+        self.assertEqual(response["meta"]["count"], len(tags))
+        self.assertIn(response["data"][0]["name"], tags)
+        self.assertIn(response["data"][1]["name"], tags)