test: add test for Container.__init__

Author: yt-ms

tests/unit/model/test_container.py

@@ -0,0 +1,37 @@
+# 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
+#
+#     https://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.
+
+
+"""Ensure the expected behaviour of the container element."""
+
+
+import pytest
+
+from structurizr.model import Container, Model, SoftwareSystem
+
+
+_model = Model()
+_system = _model.add_software_system(name="Sys")
+
+
+@pytest.mark.parametrize(
+    "attributes",
+    [
+        pytest.param({}, marks=pytest.mark.raises(exception=TypeError)),
+        {"name": "Mobile App", "parent": _system, "technology": "tech1"},
+    ],
+)
+def test_container_init(attributes):
+    """Expect proper initialization from arguments."""
+    container = Container(**attributes)
+    for attr, expected in attributes.items():
+        assert getattr(container, attr) == expected