Add Ubuntu Pro subordinate charm test (#406)

Author: carlcsaposs-canonical

.github/workflows/ci.yaml

@@ -89,6 +89,7 @@ jobs:
           "AWS_SECRET_KEY": "${{ secrets.AWS_SECRET_KEY }}",
           "GCP_ACCESS_KEY": "${{ secrets.GCP_ACCESS_KEY }}",
           "GCP_SECRET_KEY": "${{ secrets.GCP_SECRET_KEY }}",
+          "UBUNTU_PRO_TOKEN" : "${{ secrets.UBUNTU_PRO_TOKEN }}",
         }
     permissions:
       contents: write  # Needed for Allure Report beta

tests/integration/test_subordinate_charms.py

@@ -0,0 +1,47 @@
+# Copyright 2024 Canonical Ltd.
+# See LICENSE file for licensing details.
+
+"""Test charms subordinated to MySQL charm."""
+
+import asyncio
+
+import pytest
+
+from .relations.test_database import APPLICATION_APP_NAME, CLUSTER_NAME, DATABASE_APP_NAME, TIMEOUT
+
+UBUNTU_PRO_APP_NAME = "ubuntu-pro"
+
+
+@pytest.mark.group(1)
+async def test_ubuntu_pro(ops_test, mysql_charm_series, github_secrets):
+    db_charm = await ops_test.build_charm(".")
+    await asyncio.gather(
+        ops_test.model.deploy(
+            db_charm,
+            application_name=DATABASE_APP_NAME,
+            config={"cluster-name": CLUSTER_NAME, "profile": "testing"},
+            series=mysql_charm_series,
+        ),
+        ops_test.model.deploy(
+            APPLICATION_APP_NAME,
+            application_name=APPLICATION_APP_NAME,
+            channel="latest/edge",
+        ),
+        ops_test.model.deploy(
+            UBUNTU_PRO_APP_NAME,
+            application_name=UBUNTU_PRO_APP_NAME,
+            channel="latest/edge",
+            config={"token": github_secrets["UBUNTU_PRO_TOKEN"]},
+        ),
+    )
+    await ops_test.model.relate(
+        f"{DATABASE_APP_NAME}:database", f"{APPLICATION_APP_NAME}:database"
+    )
+    await ops_test.model.relate(f"{DATABASE_APP_NAME}", f"{UBUNTU_PRO_APP_NAME}")
+    async with ops_test.fast_forward("60s"):
+        await ops_test.model.wait_for_idle(
+            apps=[DATABASE_APP_NAME, APPLICATION_APP_NAME, UBUNTU_PRO_APP_NAME],
+            status="active",
+            raise_on_blocked=True,
+            timeout=TIMEOUT,
+        )