Add integration tests for osm-ro charm

Change-Id: I32ab9194e5d715227b8061f2f96b85222f427761
Signed-off-by: Patricia Reinoso <patricia.reinoso@canonical.com>

diff --git a/installers/charm/osm-ro/tests/integration/test_charm.py b/installers/charm/osm-ro/tests/integration/test_charm.py
new file mode 100644 (file)
index 0000000..c39c47a
--- /dev/null
+++ b/installers/charm/osm-ro/tests/integration/test_charm.py
@@ -0,0 +1,98 @@
+#!/usr/bin/env python3
+# Copyright 2022 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact: legal@canonical.com
+#
+# To get in touch with the maintainers, please contact:
+# osm-charmers@lists.launchpad.net
+#
+# Learn more about testing at: https://juju.is/docs/sdk/testing
+
+import asyncio
+import logging
+from pathlib import Path
+
+import pytest
+import yaml
+from pytest_operator.plugin import OpsTest
+
+logger = logging.getLogger(__name__)
+
+METADATA = yaml.safe_load(Path("./metadata.yaml").read_text())
+RO_APP = METADATA["name"]
+KAFKA_CHARM = "kafka-k8s"
+KAFKA_APP = "kafka"
+MONGO_DB_CHARM = "mongodb-k8s"
+MONGO_DB_APP = "mongodb"
+ZOOKEEPER_CHARM = "zookeeper-k8s"
+ZOOKEEPER_APP = "zookeeper"
+APPS = [KAFKA_APP, MONGO_DB_APP, ZOOKEEPER_APP, RO_APP]
+
+
+@pytest.mark.abort_on_fail
+async def test_ro_is_deployed(ops_test: OpsTest):
+    charm = await ops_test.build_charm(".")
+    resources = {"ro-image": METADATA["resources"]["ro-image"]["upstream-source"]}
+
+    await asyncio.gather(
+        ops_test.model.deploy(charm, resources=resources, application_name=RO_APP),
+        ops_test.model.deploy(ZOOKEEPER_CHARM, application_name=ZOOKEEPER_APP, channel="stable"),
+        ops_test.model.deploy(KAFKA_CHARM, application_name=KAFKA_APP, channel="stable"),
+        ops_test.model.deploy(MONGO_DB_CHARM, application_name=MONGO_DB_APP, channel="stable"),
+    )
+
+    async with ops_test.fast_forward():
+        await ops_test.model.wait_for_idle(
+            apps=APPS,
+            timeout=300,
+        )
+    assert ops_test.model.applications[RO_APP].status == "blocked"
+    unit = ops_test.model.applications[RO_APP].units[0]
+    assert unit.workload_status_message == "need kafka, mongodb relations"
+
+    logger.info("Adding relations")
+    await ops_test.model.add_relation(KAFKA_APP, ZOOKEEPER_APP)
+    await ops_test.model.add_relation(RO_APP, MONGO_DB_APP)
+    await ops_test.model.add_relation(RO_APP, KAFKA_APP)
+
+    async with ops_test.fast_forward():
+        await ops_test.model.wait_for_idle(
+            apps=APPS,
+            status="active",
+            timeout=300,
+        )
+
+
+@pytest.mark.abort_on_fail
+async def test_ro_scales(ops_test: OpsTest):
+    logger.info("Scaling osm-ro")
+    expected_units = 3
+    assert len(ops_test.model.applications[RO_APP].units) == 1
+    await ops_test.model.applications[RO_APP].scale(expected_units)
+    async with ops_test.fast_forward():
+        await ops_test.model.wait_for_idle(
+            apps=[RO_APP], status="active", timeout=1000, wait_for_exact_units=expected_units
+        )
+
+
+@pytest.mark.abort_on_fail
+async def test_ro_blocks_without_kafka(ops_test: OpsTest):
+    await asyncio.gather(ops_test.model.applications[KAFKA_APP].remove())
+    async with ops_test.fast_forward():
+        await ops_test.model.wait_for_idle(apps=[RO_APP])
+    assert ops_test.model.applications[RO_APP].status == "blocked"
+    for unit in ops_test.model.applications[RO_APP].units:
+        assert unit.workload_status_message == "need kafka relation"

diff --git a/installers/charm/osm-ro/tox.ini b/installers/charm/osm-ro/tox.ini
index e27651d..0083afe 100644 (file)
--- a/installers/charm/osm-ro/tox.ini
+++ b/installers/charm/osm-ro/tox.ini
@@ -21,13 +21,13 @@
 [tox]
 skipsdist=True
 skip_missing_interpreters = True
-envlist = lint, unit
+envlist = lint, unit, integration
 
 [vars]
 src_path = {toxinidir}/src/
 tst_path = {toxinidir}/tests/
 lib_path = {toxinidir}/lib/charms/osm_ro
-all_path = {[vars]src_path} {[vars]tst_path} 
+all_path = {[vars]src_path} {[vars]tst_path}
 
 [testenv]
 setenv =
@@ -92,4 +92,4 @@ deps =
     pytest-operator
     -r{toxinidir}/requirements.txt
 commands =
-    pytest -v --tb native --ignore={[vars]tst_path}unit --log-cli-level=INFO -s {posargs}
+    pytest -v --tb native --ignore={[vars]tst_path}unit --log-cli-level=INFO -s {posargs} --cloud microk8s
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