""" 

This program is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program. If not, see <https://www.gnu.org/licenses/>.
"""

__author__ = "Théo de la Hogue"
__credits__ = []
__copyright__ = "Copyright 2023, Ecole Nationale de l'Aviation Civile (ENAC)"
__license__ = "GPLv3"

import unittest

from argaze import GazeFeatures
from argaze.GazeAnalysis import NearestNeighborIndex
from argaze.utils import UtilsFeatures

GazeFeaturesTest = UtilsFeatures.import_from_test_package('GazeFeatures')

class TestScanPathAnalyzer(unittest.TestCase):
    """Test ScanPathAnalyzer class."""

    def test_analyze(self):
        """Test analyze."""

        frame_dimension = (100, 100)

        nni_analyzer = NearestNeighborIndex.ScanPathAnalyzer(size=frame_dimension)
        
        scan_path = GazeFeaturesTest.build_scan_path(6, frame_dimension)

        # Check aoi scan path
        self.assertEqual(len(scan_path), 6)

        nni_analyzer.analyze(scan_path)

        # Check NNI
        self.assertGreaterEqual(nni_analyzer.nearest_neighbor_index, 0)
        self.assertLessEqual(nni_analyzer.nearest_neighbor_index, 1)

if __name__ == '__main__':

    unittest.main()