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path: root/src/argaze.test/PupillFeatures.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 PupillFeatures

import numpy

def random_pupill_diameters(size):
    """ Generate random TimeStampedPupillDiameters for testing purpose.
        Timestamps are current time.
        PupillDiameters are random values.
    """

    import random
    import time

    ts_pupill_diameters = PupillFeatures.TimeStampedPupillDiameters()
    
    for i in range(0, size):

        # Edit pupill diameter
        random_pupill_diameter = PupillFeatures.PupillDiameter(random.random())

        # Store pupill diameter
        ts_pupill_diameters[time.time()] = random_pupill_diameter

    return ts_pupill_diameters

class TestPupillDiameterClass(unittest.TestCase):
    """Test PupillDiameter class."""

    def test_new(self):
        """Test PupillDiameter creation."""
        
        # Check empty PupillDiameter
        empty_pupill_diameter = PupillFeatures.PupillDiameter()

        self.assertEqual(empty_pupill_diameter.value, 0.)
        self.assertEqual(empty_pupill_diameter.valid, False)

        # Check float PupillDiameter
        float_pupill_diameter = PupillFeatures.PupillDiameter(1.23)

        self.assertEqual(float_pupill_diameter.value, 1.23)
        self.assertEqual(float_pupill_diameter.valid, True)

    def test_properties(self):
        """Test PupillDiameter properties cannot be modified after creation."""

        pupill_diameter = PupillFeatures.PupillDiameter()

        # Check that pupill diameter value setting fails
        with self.assertRaises(AttributeError):

            pupill_diameter.value = 123

        self.assertNotEqual(pupill_diameter.value, 123)
        self.assertEqual(pupill_diameter.value, 0.)

    def test___repr__(self):
        """Test PupillDiameter string representation."""

        # Check empty PupillDiameter representation
        self.assertEqual(repr(PupillFeatures.PupillDiameter()), "{\"value\": 0.0}")

class TestUnvalidPupillDiameterClass(unittest.TestCase):
    """Test UnvalidPupillDiameter class."""

    def test_new(self):
        """Test UnvalidPupillDiameter creation."""

        unvalid_pupill_diameter = PupillFeatures.UnvalidPupillDiameter()

        self.assertEqual(unvalid_pupill_diameter.value, 0.)
        self.assertEqual(unvalid_pupill_diameter.valid, False)

    def test___repr__(self):
        """Test UnvalidPupillDiameter string representation."""

        self.assertEqual(repr(PupillFeatures.UnvalidPupillDiameter()), "{\"message\": null, \"value\": 0.0}")

class TestTimeStampedPupillDiametersClass(unittest.TestCase):
    """Test TimeStampedPupillDiameters class."""

    def test___setitem__(self):
        """Test __setitem__ method."""

        ts_pupill_diameters = PupillFeatures.TimeStampedPupillDiameters()
        ts_pupill_diameters[0] = PupillFeatures.PupillDiameter()
        ts_pupill_diameters[1] = PupillFeatures.UnvalidPupillDiameter()
        ts_pupill_diameters[2] = {"value": 1.23}

        # Check PupillDiameter is correctly stored and accessible as a PupillDiameter
        self.assertIsInstance(ts_pupill_diameters[0], PupillFeatures.PupillDiameter)
        self.assertEqual(ts_pupill_diameters[0].valid, False)

        # Check UnvalidPupillDiameter is correctly stored and accessible as a UnvalidPupillDiameter
        self.assertIsInstance(ts_pupill_diameters[1], PupillFeatures.UnvalidPupillDiameter)
        self.assertEqual(ts_pupill_diameters[1].valid, False)

        # Check dict with "value" and "precision" keys is correctly stored and accessible as a PupillDiameter
        self.assertIsInstance(ts_pupill_diameters[2], PupillFeatures.PupillDiameter)
        self.assertEqual(ts_pupill_diameters[2].valid, True)

        # Check that bad data type insertion fails
        with self.assertRaises(AssertionError):

            ts_pupill_diameters[3] = "This string is not a pupill diameter value."

        # Check that dict with bad keys insertion fails
        with self.assertRaises(AssertionError):

            ts_pupill_diameters[4] = {"bad_key": 0.}

    def test___repr__(self):
        """Test inherited string representation."""

        ts_pupill_diameters = PupillFeatures.TimeStampedPupillDiameters()

        self.assertEqual(repr(PupillFeatures.TimeStampedPupillDiameters()), "{}")

        ts_pupill_diameters[0] = PupillFeatures.PupillDiameter()
        
        self.assertEqual(repr(ts_pupill_diameters), "{\"0\": {\"value\": 0.0}}")

        ts_pupill_diameters[0] = PupillFeatures.UnvalidPupillDiameter()

        self.assertEqual(repr(ts_pupill_diameters), "{\"0\": {\"message\": null, \"value\": 0.0}}")

    def test_as_dataframe(self):
        """Test inherited as_dataframe method."""

        ts_pupill_diameters_dataframe = random_pupill_diameters(10).as_dataframe()

        # Check dataframe conversion
        self.assertEqual(ts_pupill_diameters_dataframe.index.name, "timestamp")
        self.assertEqual(ts_pupill_diameters_dataframe.index.size, 10)

        self.assertEqual(ts_pupill_diameters_dataframe.columns.size, 1)
        self.assertEqual(ts_pupill_diameters_dataframe.columns[0], "value")

        self.assertEqual(ts_pupill_diameters_dataframe["value"].dtype, 'float64')

        # Check unvalid diameter conversion
        ts_pupill_diameters = PupillFeatures.TimeStampedPupillDiameters()
        ts_pupill_diameters[0] = PupillFeatures.UnvalidPupillDiameter()
        ts_pupill_diameters_dataframe = ts_pupill_diameters.as_dataframe()

        self.assertEqual(ts_pupill_diameters_dataframe.index.name, "timestamp")
        self.assertEqual(ts_pupill_diameters_dataframe.index.size, 1)

        self.assertEqual(ts_pupill_diameters_dataframe.columns.size, 1)
        self.assertEqual(ts_pupill_diameters_dataframe.columns[0], "value")

        self.assertEqual(ts_pupill_diameters_dataframe["value"].dtype, 'float64')

if __name__ == '__main__':

    unittest.main()