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authorThéo de la Hogue2022-11-24 09:18:43 +0100
committerThéo de la Hogue2022-11-24 09:18:43 +0100
commit1c79530b7a1e0f8cf9bb83586f0a6e2067c2ed72 (patch)
tree031480c87c3b73ebf8da6ca8ab0feb86f0b75bb3 /src/argaze.test
parentb16e123a4ac0504dabf99ec466816645ce4d19c9 (diff)
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testing identification with non valid positions.
Diffstat (limited to 'src/argaze.test')
-rw-r--r--src/argaze.test/GazeAnalysis/DispersionBasedGazeMovementIdentifier.py52
1 files changed, 43 insertions, 9 deletions
diff --git a/src/argaze.test/GazeAnalysis/DispersionBasedGazeMovementIdentifier.py b/src/argaze.test/GazeAnalysis/DispersionBasedGazeMovementIdentifier.py
index 55f075c..01b2aad 100644
--- a/src/argaze.test/GazeAnalysis/DispersionBasedGazeMovementIdentifier.py
+++ b/src/argaze.test/GazeAnalysis/DispersionBasedGazeMovementIdentifier.py
@@ -9,7 +9,7 @@ from argaze.GazeAnalysis import DispersionBasedGazeMovementIdentifier
import numpy
-def build_gaze_fixation(size: int, center: tuple, dispersion: float, start_time: float, min_time: float, max_time: float):
+def build_gaze_fixation(size: int, center: tuple, dispersion: float, start_time: float, min_time: float, max_time: float, validity: list = []):
""" Generate N TimeStampedGazePsoitions dispersed around a center point for testing purpose.
Timestamps are current time after random sleep (second).
GazePositions are random values.
@@ -18,16 +18,26 @@ def build_gaze_fixation(size: int, center: tuple, dispersion: float, start_time:
for i in range(0, size):
- # Edit gaze position
- random_x = center[0] + dispersion * (random.random() - 0.5)
- random_y = center[1] + dispersion * (random.random() - 0.5)
- random_gaze_position = GazeFeatures.GazePosition((random_x, random_y))
+ # Check position validity
+ valid = True
+ if len(validity) > i:
+
+ valid = validity[i]
+
+ if valid:
+
+ # Edit gaze position
+ random_x = center[0] + dispersion * (random.random() - 0.5)
+ random_y = center[1] + dispersion * (random.random() - 0.5)
+ gaze_position = GazeFeatures.GazePosition((random_x, random_y))
+
+ else:
+
+ gaze_position = GazeFeatures.UnvalidGazePosition()
# Store gaze position
ts = time.time() - start_time
- ts_gaze_positions[ts] = random_gaze_position
-
- #print(ts, random_x, random_y)
+ ts_gaze_positions[ts] = gaze_position
# Sleep a random time
sleep_time = random.random() * (max_time - min_time) + min_time
@@ -115,7 +125,31 @@ class TestDispersionBasedGazeMovementIdentifierClass(unittest.TestCase):
def test_invalid_gaze_position(self):
"""Test DispersionBasedGazeMovementIdentifier fixation and saccade identification with invalid gaze position."""
- pass
+ size = 10
+ center = (0, 0)
+ dispersion = 10
+ start_time = time.time()
+ min_time = 0.01
+ max_time = 0.1
+ validity = [True, True, True, True, False, False, True, True, True, True]
+
+ ts_gaze_positions = build_gaze_fixation(size, center, dispersion, start_time, min_time, max_time, validity)
+
+ gaze_movement_identifier = DispersionBasedGazeMovementIdentifier.GazeMovementIdentifier(dispersion_threshold=dispersion, duration_threshold=min_time*2)
+ ts_fixations, ts_saccades, ts_status = gaze_movement_identifier.identify(ts_gaze_positions)
+
+ # Check result size
+ self.assertEqual(len(ts_fixations), 1)
+ self.assertEqual(len(ts_saccades), 0)
+ self.assertEqual(len(ts_status), size-2)
+
+ # Check fixation
+ ts, fixation = ts_fixations.pop_first()
+
+ self.assertEqual(len(fixation.positions.keys()), size-2)
+ self.assertLessEqual(fixation.dispersion, dispersion)
+ self.assertGreaterEqual(fixation.duration, size * min_time)
+ self.assertLessEqual(fixation.duration, size * max_time)
if __name__ == '__main__':