SS 2025

2025_Research_Software_Engineering_2/tests/test_clip.py

@@ -0,0 +1,21 @@
+""""
+Unit test verifying that the clip function correctly clips spatial data
+using a provided overlay.
+"""
+
+import geopandas as gpd
+from clip import clip
+
+
+def test_clip(local_tmp_path):  # pylint: disable=redefined-outer-name
+    """Test that clip() writes a clipped GeoDataFrame matching the expected result"""
+    input_path = "tests/data/solarparcs.gpkg"
+    overlay_path = "tests/data/germany.gpkg"
+    expected_path = "tests/data/clip.gpkg"
+    output_path = local_tmp_path / "output.gpkg"
+
+    clip(input_path, overlay_path, output_path)
+    expected_data = gpd.read_file(expected_path)
+    output_data = gpd.read_file(output_path)
+
+    assert len(expected_data) == len(output_data)