Add test for test_df_bboxes_from_single_file

tests/test_unit/test_annotations/test_io.py

@@ -0,0 +1,54 @@
+from pathlib import Path
+from unittest.mock import patch
+
+import pytest
+
+from ethology.annotations.io import _df_bboxes_from_single_file
+
+
+@pytest.mark.parametrize(
+    "input_format, function_to_mock, no_error_expected",
+    [
+        (
+            "VIA",
+            "ethology.annotations.io._df_bboxes_from_single_VIA_file",
+            True,
+        ),
+        (
+            "COCO",
+            "ethology.annotations.io._df_bboxes_from_single_COCO_file",
+            True,
+        ),
+        (
+            "unsupported",
+            None,
+            False,
+        ),
+    ],
+)
+def test_df_bboxes_from_single_file(
+    input_format, function_to_mock, no_error_expected
+):
+    """Test that the function delegates to the correct function."""
+    file_path = Path("/mock/path/to/file")
+
+    if no_error_expected:
+        with patch(function_to_mock) as mock:
+            _df_bboxes_from_single_file(file_path, input_format)
+            mock.assert_called_once_with(file_path)
+    else:
+        with pytest.raises(ValueError) as excinfo:
+            _df_bboxes_from_single_file(file_path, input_format)
+        assert "Unsupported format" in str(excinfo.value)
+
+
+def test_df_bboxes_from_single_VIA_file():
+    pass
+
+
+def test_df_bboxes_from_single_COCO_file():
+    pass
+
+
+def test_df_bboxes_from_file():
+    pass