test: introduce additional tests for testing filter activity

tests/unit/models/activities/control_activities/test_filter_activity.py

@@ -1,11 +1,23 @@
+import pytest
 from azure_data_factory_testing_framework.models.activities.filter_activity import FilterActivity
 from azure_data_factory_testing_framework.models.data_factory_element import DataFactoryElement
 from azure_data_factory_testing_framework.models.pipeline import Pipeline
 from azure_data_factory_testing_framework.state import RunParameter, RunParameterType
 from azure_data_factory_testing_framework.test_framework import TestFramework, TestFrameworkType
 
 
-def test_filter_activity_on_range_of_values() -> None:
+@pytest.mark.parametrize(
+    "input_values,expected_filtered_values",
+    [
+        ([1, 2, 3, 4, 5], [1, 2, 3]),
+        ([], []),
+        ([4], []),
+        ([3, 4, 5, 6], [3]),
+        ([4, 5, 6], []),
+        ([-1, 3, 4], [-1, 3]),
+    ],
+)
+def test_filter_activity_on_range_of_values(input_values: [], expected_filtered_values: []) -> None:
     # Arrange
     test_framework = TestFramework(framework_type=TestFrameworkType.Fabric)
     pipeline = Pipeline(
@@ -32,12 +44,12 @@ def test_filter_activity_on_range_of_values() -> None:
     activities = test_framework.evaluate_pipeline(
         pipeline,
         [
-            RunParameter(RunParameterType.Pipeline, "input_values", [1, 2, 3, 4, 5]),
+            RunParameter(RunParameterType.Pipeline, "input_values", input_values),
         ],
     )
 
     # Assert
     activity = next(activities)
     assert activity.type == "Filter"
-    assert activity.type_properties["items"].value == [1, 2, 3, 4, 5]
-    assert activity.output["value"] == [1, 2, 3]
+    assert activity.type_properties["items"].value == input_values
+    assert activity.output["value"] == expected_filtered_values