Adding and testing GazeMovementIdentifier generator.

1 files changed, 36 insertions, 0 deletions

diff --git a/src/argaze.test/GazeAnalysis/DispersionThresholdIdentification.py b/src/argaze.test/GazeAnalysis/DispersionThresholdIdentification.py
index 712308a..eba80c8 100644
--- a/src/argaze.test/GazeAnalysis/DispersionThresholdIdentification.py
+++ b/src/argaze.test/GazeAnalysis/DispersionThresholdIdentification.py
@@ -311,6 +311,42 @@ class TestDispersionThresholdIdentificationClass(unittest.TestCase):
         self.assertGreaterEqual(fixation.duration, 2 * size * min_time)
         self.assertLessEqual(fixation.duration, 2 * size * max_time)
 
+    def test_identification_generator(self):
+        """Test DispersionThresholdIdentification identification using generator."""
+
+        size = 10
+        center_A = (0, 0)
+        center_B = (50, 50)
+        deviation_max = 10
+        min_time = 0.01
+        max_time = 0.1
+        
+        ts_gaze_positions_A = build_gaze_fixation(size, center_A, deviation_max, min_time, max_time)
+        ts_gaze_positions_B = build_gaze_fixation(size, center_B, deviation_max, min_time, max_time, start_ts=ts_gaze_positions_A.last[0])
+
+        ts_gaze_positions = ts_gaze_positions_A.append(ts_gaze_positions_B)
+
+        gaze_movement_identifier = DispersionThresholdIdentification.GazeMovementIdentifier(deviation_max_threshold=deviation_max, duration_min_threshold=max_time*2)
+       
+        fixation_count = 0
+
+        for ts, gaze_movement in gaze_movement_identifier(ts_gaze_positions):
+
+            if GazeFeatures.is_fixation(gaze_movement):
+
+                self.assertEqual(len(gaze_movement.positions.keys()), size-fixation_count)
+                self.assertLessEqual(gaze_movement.deviation_max, deviation_max)
+                self.assertGreaterEqual(gaze_movement.duration, size * min_time)
+                self.assertLessEqual(gaze_movement.duration, size * max_time)
+
+                fixation_count += 1
+
+            elif GazeFeatures.is_saccade(gaze_movement):
+
+                self.assertEqual(len(gaze_movement.positions.keys()), 1)
+                self.assertGreaterEqual(gaze_movement.duration, 0.)
+                self.assertLessEqual(gaze_movement.duration, 0.)
+
 if __name__ == '__main__':
 
     unittest.main()
\ No newline at end of file