Add test for maad settings parsing

soundscapy/analysis/_AnalysisSettings.py

@@ -66,7 +66,9 @@ def from_yaml(cls, filename: Union[Path, str], run_stats=True, force_run_all=Fal
             AnalysisSettings object
         """
         with open(filename, "r") as f:
-            return cls(yaml.load(f, Loader=yaml.Loader), run_stats, force_run_all, filename)
+            return cls(
+                yaml.load(f, Loader=yaml.Loader), run_stats, force_run_all, filename
+            )
 
     @classmethod
     def default(cls, run_stats=True, force_run_all=False):
@@ -132,6 +134,11 @@ def parse_maad_all_alpha_indices(self, metric: str):
         channel: tuple or list of str, or str
             channel(s) to run the metric on
         """
+        assert metric in [
+            "all_temporal_alpha_indices",
+            "all_spectral_alpha_indices",
+        ], "metric must be all_temporal_alpha_indices or all_spectral_alpha_indices."
+
         lib_settings = self["scikit-maad"].copy()
         run = lib_settings[metric]["run"] or self.force_run_all
         channel = lib_settings[metric]["channel"].copy()

test/test__AnalysisSettings.py

@@ -120,5 +120,17 @@ def test_to_yaml(example_settings):
         assert saved_data == example_settings
 
 
+def test_parse_maad_all_alpha_indices():
+    settings = AnalysisSettings.default()
+    maad_settings = settings.parse_maad_all_alpha_indices("all_temporal_alpha_indices")
+    assert len(maad_settings) == 2
+    with pytest.raises(AssertionError) as excinfo:
+        obj = settings.parse_maad_all_alpha_indices("missing_key")
+    assert (
+        "metric must be all_temporal_alpha_indices or all_spectral_alpha_indices."
+        in str(excinfo.value)
+    )
+
+
 if __name__ == "__main__":
     pytest.main()