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import unittest
import gudhi
"""This file is part of the Gudhi Library. The Gudhi library
(Geometric Understanding in Higher Dimensions) is a generic C++
library for computational topology.
Author(s): Vincent Rouvreau
Copyright (C) 2016 INRIA
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 <http://www.gnu.org/licenses/>.
"""
__author__ = "Vincent Rouvreau"
__copyright__ = "Copyright (C) 2016 INRIA"
__license__ = "GPL v3"
class TestWitnessComplex(unittest.TestCase):
def test_witness_complex(self):
point_list = [[0, 0], [1, 0], [0, 1], [1, 1]]
witness = gudhi.WitnessComplex(points=point_list,
number_of_landmarks=10)
# FIXME: Remove this line
witness.set_dimension(2)
self.assertEqual(witness.num_simplices(), 13)
self.assertEqual(witness.num_vertices(), 10)
witness.initialize_filtration()
self.assertEqual(witness.get_filtered_tree(),
[([0], 0.0), ([1], 0.0), ([2], 0.0), ([0, 2], 0.0),
([1, 2], 0.0), ([3], 0.0), ([4], 0.0), ([3, 4], 0.0),
([5], 0.0), ([6], 0.0), ([7], 0.0), ([8], 0.0),
([9], 0.0)])
self.assertEqual(witness.get_coface_tree([2], 1),
[([0, 2], 0.0), ([1, 2], 0.0)])
self.assertEqual(witness.get_star_tree([2]),
[([0, 2], 0.0), ([1, 2], 0.0), ([2], 0.0)])
if __name__ == '__main__':
unittest.main()
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