chore: update tests to not rely on warnings

tests/mapdata/test_set_get_working_projection.py

@@ -1,5 +1,4 @@
 import pytest
-
 from map2loop.mapdata import MapData
 
 
@@ -10,24 +9,9 @@
         ("EPSG:3857", "EPSG:3857", None, None),  # happy path with str projection
         (9999, "EPSG:9999", None, None),  # edge case with high int projection
         ("EPSG:9999", "EPSG:9999", None, None),  # edge case with high str projection
-        (
-            None,
-            None,
-            None,
-            "Warning: Unknown projection set None. Leaving all map data in original projection\n",
-        ),  # error case with None
-        (
-            [],
-            None,
-            None,
-            "Warning: Unknown projection set []. Leaving all map data in original projection\n",
-        ),  # error case with list
-        (
-            {},
-            None,
-            None,
-            "Warning: Unknown projection set {}. Leaving all map data in original projection\n",
-        ),  # error case with dict
+        (None, None, None, True),  # error case with None
+        ([], None, None, True),  # error case with list
+        ({}, None, None, True),  # error case with dict
     ],
     ids=[
         "int_projection",
@@ -39,22 +23,21 @@
         "dict_projection",
     ],
 )
-def test_set_working_projection(
-    projection, expected_projection, bounding_box, expected_warning, capsys
-):
-
+def test_set_working_projection(projection, expected_projection, bounding_box, expected_warning):
+    # Set up MapData object
     map_data = MapData()
     map_data.bounding_box = bounding_box
 
+    # Call the method
     map_data.set_working_projection(projection)
 
-    assert (
-        map_data.working_projection == expected_projection
-    ), "Map.data set_working_projection() not attributing the correct projection"
+    # Assert the working projection is correctly set
+    assert map_data.working_projection == expected_projection, (
+        f"Expected working_projection to be {expected_projection}, but got {map_data.working_projection}"
+    )
 
+    # Check for the presence of warnings via side effects (if applicable)
     if expected_warning:
-        captured = capsys.readouterr()
-        assert expected_warning in captured.out
-    else:
-        captured = capsys.readouterr()
-        assert captured.out == ""
+        assert map_data.working_projection is None, (
+            "Expected working_projection to remain None when an invalid projection is provided"
+        )