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path: root/src/argaze.test/GazeAnalysis/Entropy.py
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#!/usr/bin/env python

""" """

__author__ = "Théo de la Hogue"
__credits__ = []
__copyright__ = "Copyright 2023, Ecole Nationale de l'Aviation Civile (ENAC)"
__license__ = "BSD"

import unittest

from argaze import GazeFeatures
from argaze.GazeAnalysis import Entropy, TransitionMatrix
from argaze.utils import MiscFeatures

GazeFeaturesTest = MiscFeatures.importFromTestPackage('GazeFeatures')

class TestAOIScanPathAnalyzer(unittest.TestCase):
    """Test AOIScanPathAnalyzer class."""

    def test_analyse(self):
        """Test analyse method."""

        aoi_scan_path = GazeFeaturesTest.build_aoi_scan_path(['Foo', 'Bar', 'Shu'], ['Bar', 'Shu', 'Foo', 'Bar', 'Shu', 'Foo', 'Bar', 'Shu', 'Foo'])

        entropy_analyzer = Entropy.AOIScanPathAnalyzer()
        transition_matrix_analyser = TransitionMatrix.AOIScanPathAnalyzer()
        
        transition_matrix_probabilities, transition_matrix_density = transition_matrix_analyser.analyze(aoi_scan_path)
        stationary_entropy, transition_entropy = entropy_analyzer.analyze(aoi_scan_path, transition_matrix_probabilities)

        # Check aoi scan path
        self.assertEqual(len(aoi_scan_path), 9)

        # Check entropy analysis
        self.assertAlmostEqual(stationary_entropy, 1.09, 1)
        self.assertAlmostEqual(transition_entropy, 0, 1)

if __name__ == '__main__':

    unittest.main()