3 files changed, 63 insertions, 67 deletions
diff --git a/src/argaze.test/GazeAnalysis/DispersionThresholdIdentification.py b/src/argaze.test/GazeAnalysis/DispersionThresholdIdentification.py
index b7475b5..f0d286a 100644
--- a/src/argaze.test/GazeAnalysis/DispersionThresholdIdentification.py
+++ b/src/argaze.test/GazeAnalysis/DispersionThresholdIdentification.py
@@ -47,7 +47,7 @@ def build_gaze_fixation(size: int, center: tuple, deviation_max: float, min_time
 
         else:
 
-            gaze_position = GazeFeatures.UnvalidGazePosition()
+            gaze_position = GazeFeatures.GazePosition()
 
         # Store gaze position
         ts = time.time() - start_time + start_ts
@@ -85,7 +85,7 @@ def build_gaze_saccade(size: int, center_A: tuple, center_B: tuple, min_time: fl
 
         else:
 
-            gaze_position = GazeFeatures.UnvalidGazePosition()
+            gaze_position = GazeFeatures.GazePosition()
 
         # Store gaze position
         ts = time.time() - start_time + start_ts
diff --git a/src/argaze.test/GazeAnalysis/VelocityThresholdIdentification.py b/src/argaze.test/GazeAnalysis/VelocityThresholdIdentification.py
index 425d592..24f2e3c 100644
--- a/src/argaze.test/GazeAnalysis/VelocityThresholdIdentification.py
+++ b/src/argaze.test/GazeAnalysis/VelocityThresholdIdentification.py
@@ -53,7 +53,7 @@ def build_gaze_fixation(size: int, start_position: tuple, deviation_max: float,
 
         else:
 
-            gaze_position = GazeFeatures.UnvalidGazePosition()
+            gaze_position = GazeFeatures.GazePosition()
 
         # Store gaze position
         ts = time.time() - start_time + start_ts
@@ -91,7 +91,7 @@ def build_gaze_saccade(size: int, center_A: tuple, center_B: tuple, min_time: fl
 
         else:
 
-            gaze_position = GazeFeatures.UnvalidGazePosition()
+            gaze_position = GazeFeatures.GazePosition()
 
         # Store gaze position
         ts = time.time() - start_time + start_ts
diff --git a/src/argaze.test/GazeFeatures.py b/src/argaze.test/GazeFeatures.py
index fdc140d..7d18976 100644
--- a/src/argaze.test/GazeFeatures.py
+++ b/src/argaze.test/GazeFeatures.py
@@ -39,28 +39,27 @@ def random_gaze_positions(size, frame_dimension: tuple[float, float] = (1, 1)):
 
     return ts_gaze_positions
 
-@dataclass(frozen=True)
 class TestFixation(GazeFeatures.Fixation):
     """Define basic fixation class for test."""
 
-    def __post_init__(self):
+    def __init__(self, positions: GazeFeatures.TimeStampedGazePositions = (), finished: bool = False, message: str = None, **kwargs):
 
-        super().__post_init__()
+        super().__init__(positions, finished, message, **kwargs)
 
-        points = self.positions.values()
-        points_x, points_y = [p[0] for p in points], [p[1] for p in points]
-        points_array = numpy.column_stack([points_x, points_y])
-        centroid_array = numpy.array([numpy.mean(points_x), numpy.mean(points_y)])
+        if positions:
 
-        # Update frozen focus attribute using centroid
-        object.__setattr__(self, 'focus', (centroid_array[0], centroid_array[1]))
+            positions_array = numpy.asarray(self.values())
+            centroid = numpy.mean(positions_array, axis=0)
+
+            # Update focus attribute using centroid
+            self.focus = (centroid[0], centroid[1])
 
-@dataclass(frozen=True)
 class TestSaccade(GazeFeatures.Saccade):
     """Define basic saccade for test."""
 
-    def __post_init__(self):
-        super().__post_init__()
+    def __init__(self, positions: GazeFeatures.TimeStampedGazePositions = (), finished: bool = False, message: str = None, **kwargs):
+
+        super().__init__(positions, finished, message, **kwargs)
 
 class TestGazePositionClass(unittest.TestCase):
     """Test GazePosition class."""
@@ -265,11 +264,11 @@ class TestTimeStampedGazePositionsClass(unittest.TestCase):
         self.assertEqual(ts_gaze_positions[0].precision, 15)
         self.assertEqual(bool(ts_gaze_positions[0]), True)
 
-        # Check third gaze position is correctly stored and accessible as a UnvalidGazePosition
+        # Check third gaze position is correctly stored and accessible as a GazePosition
         self.assertIsInstance(ts_gaze_positions[2], GazeFeatures.GazePosition)
         self.assertEqual(numpy.isnan(ts_gaze_positions[2].precision), True)
         self.assertEqual(bool(ts_gaze_positions[2]), False)
-    
+
     def test_as_dataframe(self):
         """Test inherited as_dataframe method."""
 
@@ -309,19 +308,19 @@ class TestTimeStampedGazePositionsClass(unittest.TestCase):
 
 class TestGazeMovementClass(unittest.TestCase):
     """Test GazeMovement class."""
-    @unittest.skip("DEBUG")
+
     def test_new(self):
         """Test GazeMovement creation."""
         
         abstract_gaze_movement = GazeFeatures.GazeMovement(random_gaze_positions(0))
 
         # Check abstract GazeMovement
-        self.assertEqual(len(abstract_gaze_movement.positions), 0)
-        self.assertEqual(abstract_gaze_movement.duration, -1)
-        self.assertEqual(abstract_gaze_movement.amplitude, -1)
-        self.assertEqual(abstract_gaze_movement.valid, False)
+        self.assertEqual(len(abstract_gaze_movement), 0)
+        self.assertEqual(abstract_gaze_movement.duration, 0)
+        self.assertEqual(abstract_gaze_movement.amplitude, 0)
+        self.assertEqual(bool(abstract_gaze_movement), False)
         self.assertEqual(abstract_gaze_movement.finished, False)
-    @unittest.skip("DEBUG")
+
     def test_finish(self):
         """Test GazeMovement finishing."""
         
@@ -340,25 +339,22 @@ class TestGazeMovementClass(unittest.TestCase):
         self.assertEqual(abstract_gaze_movement.finished, True)
         self.assertEqual(abstract_gaze_movement_ref.finished, True)
 
-class TestUnvalidGazeMovementClass(unittest.TestCase):
-    """Test UnvalidGazeMovement class."""
-    @unittest.skip("DEBUG")
-    def test_new(self):
-        """Test UnvalidGazeMovement creation."""
+    def test_message(self):
+        """Test GazeMovement creation with message only."""
         
-        unvalid_gaze_movement = GazeFeatures.UnvalidGazeMovement('test')
+        gaze_movement = GazeFeatures.GazeMovement(message='test')
 
-        # Check UnvalidGazeMovement
-        self.assertEqual(len(unvalid_gaze_movement.positions), 0)
-        self.assertEqual(unvalid_gaze_movement.duration, -1)
-        self.assertEqual(unvalid_gaze_movement.amplitude, -1)
-        self.assertEqual(unvalid_gaze_movement.valid, False)
-        self.assertEqual(unvalid_gaze_movement.finished, False)
-        self.assertEqual(unvalid_gaze_movement.message, 'test')
+        # Check GazeMovement
+        self.assertEqual(len(gaze_movement), 0)
+        self.assertEqual(gaze_movement.duration, 0)
+        self.assertEqual(gaze_movement.amplitude, 0)
+        self.assertEqual(bool(gaze_movement), False)
+        self.assertEqual(gaze_movement.finished, False)
+        self.assertEqual(gaze_movement.message, 'test')
 
 class TestScanStepClass(unittest.TestCase):
     """Test ScanStep class."""
-    @unittest.skip("DEBUG")
+    
     def test_new(self):
         """Test ScanStep creation."""
 
@@ -371,7 +367,7 @@ class TestScanStepClass(unittest.TestCase):
         self.assertEqual(scan_step.first_fixation, fixation)
         self.assertEqual(scan_step.last_saccade, saccade)
         self.assertGreater(scan_step.duration, 0)
-
+        
 def build_scan_path(size, frame_dimension: tuple[float, float] = (1, 1)):
     """Build scan path"""
 
@@ -380,18 +376,18 @@ def build_scan_path(size, frame_dimension: tuple[float, float] = (1, 1)):
     for i in range(size):
 
         fixation = TestFixation(random_gaze_positions(10, frame_dimension))
-        ts, _ = fixation.positions.first
+        ts, _ = fixation.first
         scan_path.append_fixation(ts, fixation)
 
         saccade = TestSaccade(random_gaze_positions(2, frame_dimension))
-        ts, _ = saccade.positions.first
+        ts, _ = saccade.first
         scan_path.append_saccade(ts, saccade)
 
     return scan_path
 
 class TestScanPathClass(unittest.TestCase):
     """Test ScanPath class."""
-    @unittest.skip("DEBUG")
+    
     def test_new(self):
         """Test ScanPath creation."""
 
@@ -400,7 +396,7 @@ class TestScanPathClass(unittest.TestCase):
 
         self.assertEqual(len(scan_path), 0)
         self.assertEqual(scan_path.duration, 0)
-    @unittest.skip("DEBUG")
+    
     def test_append(self):
         """Test ScanPath append methods."""
 
@@ -408,7 +404,7 @@ class TestScanPathClass(unittest.TestCase):
 
         # Append a saccade that should be ignored
         saccade = TestSaccade(random_gaze_positions(2))
-        ts, _ = saccade.positions.first
+        ts = saccade[0].timestamp
 
         new_step = scan_path.append_saccade(ts, saccade)
 
@@ -419,7 +415,7 @@ class TestScanPathClass(unittest.TestCase):
 
         # Append first fixation
         fixation_A = TestFixation(random_gaze_positions(10))
-        ts, _ = fixation_A.positions.first
+        ts = fixation_A[0].timestamp
 
         new_step = scan_path.append_fixation(ts, fixation_A)
 
@@ -430,7 +426,7 @@ class TestScanPathClass(unittest.TestCase):
 
         # Append consecutive saccade
         saccade_A = TestSaccade(random_gaze_positions(2))
-        ts, _ = saccade_A.positions.first
+        ts = saccade_A[0].timestamp
 
         new_step_A = scan_path.append_saccade(ts, saccade_A)
 
@@ -443,7 +439,7 @@ class TestScanPathClass(unittest.TestCase):
 
         # Append 2 consecutive fixations then a saccade
         fixation_B1 = TestFixation(random_gaze_positions(10))
-        ts, _ = fixation_B1.positions.first
+        ts = fixation_B1[0].timestamp
 
         new_step = scan_path.append_fixation(ts, fixation_B1)
 
@@ -453,7 +449,7 @@ class TestScanPathClass(unittest.TestCase):
         self.assertEqual(new_step, None)
 
         fixation_B2 = TestFixation(random_gaze_positions(10))
-        ts, _ = fixation_B2.positions.first
+        ts = fixation_B2[0].timestamp
 
         new_step = scan_path.append_fixation(ts, fixation_B2)
 
@@ -463,7 +459,7 @@ class TestScanPathClass(unittest.TestCase):
         self.assertEqual(new_step, None)
 
         saccade_B = TestSaccade(random_gaze_positions(2))
-        ts, _ = saccade_B.positions.first
+        ts = saccade_B[0].timestamp
 
         new_step_B = scan_path.append_saccade(ts, saccade_B)
 
@@ -476,19 +472,19 @@ class TestScanPathClass(unittest.TestCase):
 
 class TestAOIScanStepClass(unittest.TestCase):
     """Test AOIScanStep class."""
-    @unittest.skip("DEBUG")
+    
     def test_new(self):
         """Test AOIScanStep creation."""
 
         movements = GazeFeatures.TimeStampedGazeMovements()
 
         fixation = TestFixation(random_gaze_positions(10))
-        ts, _ = fixation.positions.first
-        movements[ts] = fixation
+        ts = fixation[0].timestamp
+        movements.append(fixation)
 
         saccade = TestSaccade(random_gaze_positions(2))
-        ts, _ = saccade.positions.first
-        movements[ts] = saccade
+        ts = saccade[0].timestamp
+        movements.append(saccade)
 
         aoi_scan_step = GazeFeatures.AOIScanStep(movements, 'Test')
 
@@ -505,12 +501,12 @@ class TestAOIScanStepClass(unittest.TestCase):
         movements = GazeFeatures.TimeStampedGazeMovements()
 
         saccade = TestSaccade(random_gaze_positions(2))
-        ts, _ = saccade.positions.first
-        movements[ts] = saccade
+        ts = saccade[0].timestamp
+        movements.append(saccade)
 
         fixation = TestFixation(random_gaze_positions(10))
-        ts, _ = fixation.positions.first
-        movements[ts] = fixation
+        ts = fixation[0].timestamp
+        movements.append(fixation)
 
         # Check that aoi scan step creation fail
         with self.assertRaises(GazeFeatures.AOIScanStepError):
@@ -528,11 +524,11 @@ def build_aoi_scan_path(expected_aoi, aoi_path):
     for aoi in aoi_path:
 
         fixation = TestFixation(random_gaze_positions(10))
-        ts, _ = fixation.positions.first
+        ts, _ = fixation.first
         aoi_scan_path.append_fixation(ts, fixation, aoi)
 
         saccade = TestSaccade(random_gaze_positions(2))
-        ts, _ = saccade.positions.first
+        ts, _ = saccade.first
         aoi_scan_path.append_saccade(ts, saccade)
 
     return aoi_scan_path
@@ -555,7 +551,7 @@ class TestAOIScanPathClass(unittest.TestCase):
 
         # Append fixation on A aoi
         fixation_A = TestFixation(random_gaze_positions(10))
-        ts, _ = fixation_A.positions.first
+        ts, _ = fixation_A.first
 
         new_step = aoi_scan_path.append_fixation(ts, fixation_A, 'Foo')
 
@@ -566,7 +562,7 @@ class TestAOIScanPathClass(unittest.TestCase):
 
         # Append saccade
         saccade_A = TestSaccade(random_gaze_positions(2))
-        ts, _ = saccade_A.positions.first
+        ts, _ = saccade_A.first
 
         new_step = aoi_scan_path.append_saccade(ts, saccade_A)
 
@@ -577,7 +573,7 @@ class TestAOIScanPathClass(unittest.TestCase):
 
         # Append fixation on B aoi
         fixation_B = TestFixation(random_gaze_positions(10))
-        ts, _ = fixation_B.positions.first
+        ts, _ = fixation_B.first
 
         new_step_A = aoi_scan_path.append_fixation(ts, fixation_B, 'Bar')
 
@@ -588,8 +584,8 @@ class TestAOIScanPathClass(unittest.TestCase):
         self.assertEqual(new_step_A.aoi, 'Foo')
         self.assertEqual(new_step_A.letter, 'A')
 
-        first_ts, _ = fixation_A.positions.first 
-        last_ts, _ = saccade_A.positions.last
+        first_ts, _ = fixation_A.first 
+        last_ts, _ = saccade_A.last
 
         self.assertEqual(new_step_A.duration, last_ts - first_ts)
 
@@ -603,7 +599,7 @@ class TestAOIScanPathClass(unittest.TestCase):
 
         # Append fixation on A aoi
         fixation = TestFixation(random_gaze_positions(10))
-        ts, _ = fixation.positions.first
+        ts, _ = fixation.first
 
         new_step = aoi_scan_path.append_fixation(ts, fixation, 'Foo')
 
@@ -613,7 +609,7 @@ class TestAOIScanPathClass(unittest.TestCase):
 
         # Append fixation on B aoi
         fixation = TestFixation(random_gaze_positions(10))
-        ts, _ = fixation.positions.first
+        ts, _ = fixation.first
 
         # Check that aoi scan step creation fail when fixation is appened after another fixation
         with self.assertRaises(GazeFeatures.AOIScanStepError):