add tests for ivt and microsaccades

src/pymovements/dataset/dataset.py

@@ -439,14 +439,20 @@ def detect(
             Returns self, useful for method cascading.
         """
         self._check_gaze_dataframe()
+
+        if not self.events:
+            self.events = [None for _ in self.gaze]
+
         disable_progressbar = not verbose
-        for file_id, gaze in tqdm(enumerate(self.gaze), disable=disable_progressbar):
-            gaze.detect(method, eye=eye, clear=clear, kwargs=kwargs)
+        for file_id, (gaze, fileinfo_row) in tqdm(
+                enumerate(zip(self.gaze, self.fileinfo.to_dicts())), disable=disable_progressbar,
+        ):
+            gaze.detect(method, eye=eye, clear=clear, **kwargs)
             # workaround until events are fully part of the GazeDataFrame
             gaze.events.frame = dataset_files.add_fileinfo(
                 definition=self.definition,
                 df=gaze.events.frame,
-                fileinfo=self.files[file_id],
+                fileinfo=fileinfo_row,
             )
             self.events[file_id] = gaze.events
         return self

tests/events/detection/ivt_test.py

@@ -219,6 +219,8 @@ def test_ivt_detects_fixations(kwargs, expected):
         kwargs['positions'], sampling_rate=10, method='preceding',
     )
 
+    print(velocities)
+    assert False
     # Just use positions argument for velocity calculation
     kwargs.pop('positions')