test semantics

backend/tests/core/test_migration_engine.py

@@ -39,6 +39,7 @@ class MockMappingService:
         self.mappings = mappings
 
     def get_remote_ids_batch(self, env_id, resource_type, uuids):
+        # @INVARIANT_VIOLATION: resource_type parameter is silently ignored. Lookups are UUID-only; chart and dataset UUIDs share the same namespace. Tests that mix resource types will produce false positives.
         result = {}
         for uuid in uuids:
             if uuid in self.mappings:

backend/tests/services/clean_release/test_compliance_task_integration.py

@@ -148,6 +148,7 @@ class CleanReleaseCompliancePlugin:
 # @PURPOSE: Provide minimal plugin loader contract used by TaskManager in integration tests.
 # @INVARIANT: has_plugin/get_plugin only acknowledge the seeded compliance plugin id.
 class _PluginLoaderStub:
+    # @CONTRACT: Partial PluginLoader stub. Implements: has_plugin, get_plugin. Stubs (NotImplementedError): list_plugins, get_all_plugins, get_all_plugin_configs.
     def __init__(self, plugin: CleanReleaseCompliancePlugin):
         self._plugin = plugin
 
@@ -159,6 +160,21 @@ class _PluginLoaderStub:
             raise ValueError("Plugin not found")
         return self._plugin
 
+    def list_plugins(self):
+        raise NotImplementedError(
+            "list_plugins not implemented in _PluginLoaderStub; add if test path requires plugin enumeration"
+        )
+
+    def get_all_plugins(self):
+        raise NotImplementedError(
+            "get_all_plugins not implemented in _PluginLoaderStub; add if test path requires full plugin set"
+        )
+
+    def get_all_plugin_configs(self):
+        raise NotImplementedError(
+            "get_all_plugin_configs not implemented in _PluginLoaderStub; add if test path requires plugin configs"
+        )
+
 
 # [/DEF:_PluginLoaderStub:Class]
 

backend/tests/services/dataset_review/test_superset_matrix.py

@@ -37,6 +37,8 @@ def make_adapter():
     client = MagicMock()
     client.network = MagicMock()
     return SupersetCompilationAdapter(environment=environment, client=client), client
+
+
 # [/DEF:make_adapter:Function]
 
 
@@ -61,6 +63,8 @@ def test_preview_prefers_supported_client_method_before_network_fallback():
     assert preview.compiled_sql == "SELECT 1"
     client.compile_preview.assert_called_once()
     client.network.request.assert_not_called()
+
+
 # [/DEF:test_preview_prefers_supported_client_method_before_network_fallback:Function]
 
 
@@ -88,10 +92,14 @@ def test_preview_falls_back_across_matrix_until_supported_endpoint_returns_sql()
     assert preview.preview_status.value == "ready"
     assert preview.compiled_sql == "SELECT * FROM dataset_77"
     assert client.network.request.call_count == 2
+    # @FRAGILE: Positional call assertion — ordering changes will break this test without indicating a real regression. Prefer content-based assertion.
     first_call = client.network.request.call_args_list[0].kwargs
+    # @FRAGILE: Positional call assertion — ordering changes will break this test without indicating a real regression. Prefer content-based assertion.
     second_call = client.network.request.call_args_list[1].kwargs
     assert first_call["endpoint"] == "/dataset/77/preview"
     assert second_call["endpoint"] == "/dataset/77/sql"
+
+
 # [/DEF:test_preview_falls_back_across_matrix_until_supported_endpoint_returns_sql:Function]
 
 
@@ -124,11 +132,15 @@ def test_sql_lab_launch_falls_back_to_legacy_execute_endpoint():
 
     assert sql_lab_ref == "query-123"
     assert client.network.request.call_count == 2
+    # @FRAGILE: Positional call assertion — ordering changes will break this test without indicating a real regression. Prefer content-based assertion.
     first_call = client.network.request.call_args_list[0].kwargs
+    # @FRAGILE: Positional call assertion — ordering changes will break this test without indicating a real regression. Prefer content-based assertion.
     second_call = client.network.request.call_args_list[1].kwargs
     assert first_call["endpoint"] == "/sqllab/execute/"
     assert second_call["endpoint"] == "/sql_lab/execute/"
+
+
 # [/DEF:test_sql_lab_launch_falls_back_to_legacy_execute_endpoint:Function]
 
 
-# [/DEF:SupersetCompatibilityMatrixTests:Module]
+# [/DEF:SupersetCompatibilityMatrixTests:Module]