Feature 10239: Distributed VCA

[osm/N2VC.git] / n2vc / tests / unit / test_config.py

diff --git a/n2vc/tests/unit/test_config.py b/n2vc/tests/unit/test_config.py
new file mode 100644 (file)
index 0000000..9a4af07
--- /dev/null
+++ b/n2vc/tests/unit/test_config.py
@@ -0,0 +1,58 @@
+# Copyright 2020 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.
+
+from unittest import TestCase
+from unittest.mock import patch
+
+
+from n2vc.config import EnvironConfig, ModelConfig, MODEL_CONFIG_KEYS
+
+
+def generate_os_environ_dict(config, prefix):
+    return {f"{prefix}{k.upper()}": v for k, v in config.items()}
+
+
+class TestEnvironConfig(TestCase):
+    def setUp(self):
+        self.config = {"host": "1.2.3.4", "port": "17070", "k8s_cloud": "k8s"}
+
+    @patch("os.environ.items")
+    def test_environ_config_lcm(self, mock_environ_items):
+        envs = generate_os_environ_dict(self.config, "OSMLCM_VCA_")
+        envs["not_valid_env"] = "something"
+        mock_environ_items.return_value = envs.items()
+        config = EnvironConfig()
+        self.assertEqual(config, self.config)
+
+    @patch("os.environ.items")
+    def test_environ_config_mon(self, mock_environ_items):
+        envs = generate_os_environ_dict(self.config, "OSMMON_VCA_")
+        envs["not_valid_env"] = "something"
+        mock_environ_items.return_value = envs.items()
+        config = EnvironConfig()
+        self.assertEqual(config, self.config)
+
+
+class TestModelConfig(TestCase):
+    def setUp(self):
+        self.config = {
+            f'model_config_{model_key.replace("-", "_")}': "somevalue"
+            for model_key in MODEL_CONFIG_KEYS
+        }
+        self.config["model_config_invalid"] = "something"
+        self.model_config = {model_key: "somevalue" for model_key in MODEL_CONFIG_KEYS}
+
+    def test_model_config(self):
+        model_config = ModelConfig(self.config)
+        self.assertEqual(model_config, self.model_config)