test_incorrectly_load_Dataset_class

src/test_dataset.py

@@ -23,6 +23,17 @@ def test_load_Dataset_class():
     assert type(dataset.dataframe) == pd.DataFrame
 
 
+def test_incorrectly_load_Dataset_class():
+    with pytest.raises(ValueError):
+        dataset = Dataset(1234)  # not a string
+    with pytest.raises(OSError):
+        dataset = Dataset("aaa.bcd")  # doesn't end with .csv
+    with pytest.raises(FileNotFoundError):
+        dataset = Dataset(
+            str(this_file_dir / "./data/GamingStudy_data.csv")
+        )  # wrong file location
+
+
 def test_get_dataframe(the_dataset: Dataset):
     """Tests Dataset.get_dataframe()."""
     assert type(the_dataset.get_dataframe()) == pd.DataFrame