From 3f8bca22452a5f2a384ae0526c881633253831be Mon Sep 17 00:00:00 2001
From: Théo de la Hogue
Date: Mon, 10 Jul 2023 16:35:17 +0200
Subject: Refining test and Adding one.

---
 .../VelocityThresholdIdentification.py             | 47 ++++++++++++++++++++--
 1 file changed, 44 insertions(+), 3 deletions(-)

(limited to 'src/argaze.test')

diff --git a/src/argaze.test/GazeAnalysis/VelocityThresholdIdentification.py b/src/argaze.test/GazeAnalysis/VelocityThresholdIdentification.py
index 239bf45..425d592 100644
--- a/src/argaze.test/GazeAnalysis/VelocityThresholdIdentification.py
+++ b/src/argaze.test/GazeAnalysis/VelocityThresholdIdentification.py
@@ -110,7 +110,7 @@ class TestVelocityThresholdIdentificationClass(unittest.TestCase):
         deviation_max = 10
         min_time = 0.05
         max_time = 0.1
-        velocity_max = math.sqrt(2) * deviation_max / min_time
+        velocity_max = deviation_max / min_time
 
         ts_gaze_positions = build_gaze_fixation(size, center, deviation_max, min_time, max_time)
         gaze_movement_identifier = VelocityThresholdIdentification.GazeMovementIdentifier(velocity_max_threshold=velocity_max, duration_min_threshold=max_time*2)
@@ -221,7 +221,7 @@ class TestVelocityThresholdIdentificationClass(unittest.TestCase):
         # Check first fixation
         ts, fixation = ts_fixations.pop_first()
 
-        self.assertEqual(len(fixation.positions.keys()), size - 1)
+        self.assertEqual(len(fixation.positions.keys()), size - 1) # BUG: NOT ALWAYS TRUE !!! 
         self.assertGreaterEqual(fixation.duration, (size - 2) * min_time)
         self.assertLessEqual(fixation.duration, (size - 2) * max_time)
         self.assertLessEqual(fixation.finished, True)
@@ -264,7 +264,7 @@ class TestVelocityThresholdIdentificationClass(unittest.TestCase):
         deviation_max = 10
         min_time = 0.05
         max_time = 0.1
-        velocity_max = math.sqrt(2) * deviation_max / min_time
+        velocity_max = deviation_max / min_time
         validity = [True, True, True, True, True, True, True, False, False, False, True, True, True, True, True]
         
         ts_gaze_positions = build_gaze_fixation(size, center, deviation_max, min_time, max_time, validity=validity)
@@ -293,6 +293,47 @@ class TestVelocityThresholdIdentificationClass(unittest.TestCase):
         self.assertLessEqual(fixation.duration, 3 * max_time)
         self.assertLessEqual(fixation.finished, True)
 
+    def test_identification_browsing(self):
+        """Test VelocityThresholdIdentification identification browsing."""
+
+        size = 10
+        center_A = (0, 0)
+        center_B = (50, 50)
+        deviation_max = 10
+        min_time = 0.01
+        max_time = 0.1
+        velocity_max = deviation_max / min_time
+        
+        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 = VelocityThresholdIdentification.GazeMovementIdentifier(velocity_max_threshold=velocity_max, duration_min_threshold=max_time*2)
+           
+        # Get last ts to terminate identification on last gaze position
+        last_ts, _ = ts_gaze_positions.last
+
+        # Iterate on gaze positions
+        for ts, gaze_position in ts_gaze_positions.items():
+
+            finished_gaze_movement = gaze_movement_identifier.identify(ts, gaze_position, terminate=(ts == last_ts))
+
+            # Check that last gaze position date is not equal to given gaze position date
+            if finished_gaze_movement.valid:
+
+                last_ts, _ = finished_gaze_movement.positions.last
+
+                self.assertNotEqual(last_ts, ts)
+
+            # Check that last gaze position date of current movement is equal to given gaze position date
+            current_gaze_movement = gaze_movement_identifier.current_gaze_movement
+            if current_gaze_movement.valid:
+
+                last_ts, _ = current_gaze_movement.positions.last
+
+                self.assertEqual(last_ts, ts)
+
 if __name__ == '__main__':
 
     unittest.main()
\ No newline at end of file
-- 
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