Add witness complex unitary test

git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/ST_cythonize@1309 636b058d-ea47-450e-bf9e-a15bfbe3eedb

Former-commit-id: d5bb6ba84a2cca258d58a200c65e11cd834b6b80

1 files changed, 53 insertions, 0 deletions

diff --git a/src/cython/test/test_witness_complex.py b/src/cython/test/test_witness_complex.py
new file mode 100755
index 00000000..f9bbe077
--- /dev/null
+++ b/src/cython/test/test_witness_complex.py
@@ -0,0 +1,53 @@
+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_infinite_alpha(self):
+        point_list = [[0, 0], [1, 0], [0, 1], [1, 1]]
+        witness = gudhi.WitnessComplex(points=point_list,
+                                       number_of_landmarks=10)
+
+
+        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_star_tree([0]), [])
+        self.assertEqual(witness.get_coface_tree([0], 1), [])
+
+if __name__ == '__main__':
+    unittest.main()