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#!/usr/bin/env python
import unittest
from argaze import PupilFeatures
import numpy
def random_pupil_diameters(size):
""" Generate random TimeStampedPupilDiameters for testing purpose.
Timestamps are current time.
PupilDiameters are random values.
"""
import random
import time
ts_pupil_diameters = PupilFeatures.TimeStampedPupilDiameters()
for i in range(0, size):
# Edit pupil diameter
random_pupil_diameter = PupilFeatures.PupilDiameter(random.random())
# Store pupil diameter
ts_pupil_diameters[time.time()] = random_pupil_diameter
return ts_pupil_diameters
class TestPupilDiameterClass(unittest.TestCase):
"""Test PupilDiameter class."""
def test_new(self):
"""Test PupilDiameter creation."""
# Check empty PupilDiameter
empty_pupil_diameter = PupilFeatures.PupilDiameter()
self.assertEqual(empty_pupil_diameter.value, 0.)
self.assertEqual(empty_pupil_diameter.valid, False)
# Check float PupilDiameter
float_pupil_diameter = PupilFeatures.PupilDiameter(1.23)
self.assertEqual(float_pupil_diameter.value, 1.23)
self.assertEqual(float_pupil_diameter.valid, True)
def test_properties(self):
"""Test PupilDiameter properties cannot be modified after creation."""
pupil_diameter = PupilFeatures.PupilDiameter()
# Check that pupil diameter value setting fails
with self.assertRaises(AttributeError):
pupil_diameter.value = 123
self.assertNotEqual(pupil_diameter.value, 123)
self.assertEqual(pupil_diameter.value, 0.)
def test___repr__(self):
"""Test PupilDiameter string representation."""
# Check empty PupilDiameter representation
self.assertEqual(repr(PupilFeatures.PupilDiameter()), "{\"value\": 0.0}")
class TestUnvalidPupilDiameterClass(unittest.TestCase):
"""Test UnvalidPupilDiameter class."""
def test_new(self):
"""Test UnvalidPupilDiameter creation."""
unvalid_pupil_diameter = PupilFeatures.UnvalidPupilDiameter()
self.assertEqual(unvalid_pupil_diameter.value, 0.)
self.assertEqual(unvalid_pupil_diameter.valid, False)
def test___repr__(self):
"""Test UnvalidPupilDiameter string representation."""
self.assertEqual(repr(PupilFeatures.UnvalidPupilDiameter()), "{\"message\": null, \"value\": 0.0}")
class TestTimeStampedPupilDiametersClass(unittest.TestCase):
"""Test TimeStampedPupilDiameters class."""
def test___setitem__(self):
"""Test __setitem__ method."""
ts_pupil_diameters = PupilFeatures.TimeStampedPupilDiameters()
ts_pupil_diameters[0] = PupilFeatures.PupilDiameter()
ts_pupil_diameters[1] = PupilFeatures.UnvalidPupilDiameter()
ts_pupil_diameters[2] = {"value": 1.23}
# Check PupilDiameter is correctly stored and accessible as a PupilDiameter
self.assertIsInstance(ts_pupil_diameters[0], PupilFeatures.PupilDiameter)
self.assertEqual(ts_pupil_diameters[0].valid, False)
# Check UnvalidPupilDiameter is correctly stored and accessible as a UnvalidPupilDiameter
self.assertIsInstance(ts_pupil_diameters[1], PupilFeatures.UnvalidPupilDiameter)
self.assertEqual(ts_pupil_diameters[1].valid, False)
# Check dict with "value" and "precision" keys is correctly stored and accessible as a PupilDiameter
self.assertIsInstance(ts_pupil_diameters[2], PupilFeatures.PupilDiameter)
self.assertEqual(ts_pupil_diameters[2].valid, True)
# Check that bad data type insertion fails
with self.assertRaises(AssertionError):
ts_pupil_diameters[3] = "This string is not a pupil diameter value."
# Check that dict with bad keys insertion fails
with self.assertRaises(AssertionError):
ts_pupil_diameters[4] = {"bad_key": 0.}
def test___repr__(self):
"""Test inherited string representation."""
ts_pupil_diameters = PupilFeatures.TimeStampedPupilDiameters()
self.assertEqual(repr(PupilFeatures.TimeStampedPupilDiameters()), "{}")
ts_pupil_diameters[0] = PupilFeatures.PupilDiameter()
self.assertEqual(repr(ts_pupil_diameters), "{\"0\": {\"value\": 0.0}}")
ts_pupil_diameters[0] = PupilFeatures.UnvalidPupilDiameter()
self.assertEqual(repr(ts_pupil_diameters), "{\"0\": {\"message\": null, \"value\": 0.0}}")
def test_as_dataframe(self):
"""Test inherited as_dataframe method."""
ts_pupil_diameters_dataframe = random_pupil_diameters(10).as_dataframe()
# Check dataframe conversion
self.assertEqual(ts_pupil_diameters_dataframe.index.name, "timestamp")
self.assertEqual(ts_pupil_diameters_dataframe.index.size, 10)
self.assertEqual(ts_pupil_diameters_dataframe.columns.size, 1)
self.assertEqual(ts_pupil_diameters_dataframe.columns[0], "value")
self.assertEqual(ts_pupil_diameters_dataframe["value"].dtype, 'float64')
# Check unvalid diameter conversion
ts_pupil_diameters = PupilFeatures.TimeStampedPupilDiameters()
ts_pupil_diameters[0] = PupilFeatures.UnvalidPupilDiameter()
ts_pupil_diameters_dataframe = ts_pupil_diameters.as_dataframe()
self.assertEqual(ts_pupil_diameters_dataframe.index.name, "timestamp")
self.assertEqual(ts_pupil_diameters_dataframe.index.size, 1)
self.assertEqual(ts_pupil_diameters_dataframe.columns.size, 1)
self.assertEqual(ts_pupil_diameters_dataframe.columns[0], "value")
self.assertEqual(ts_pupil_diameters_dataframe["value"].dtype, 'float64')
if __name__ == '__main__':
unittest.main()
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