1 files changed, 95 insertions, 0 deletions
diff --git a/src/python/test/test_euclidean_witness_complex.py b/src/python/test/test_euclidean_witness_complex.py
new file mode 100755
index 00000000..f5eae5fa
--- /dev/null
+++ b/src/python/test/test_euclidean_witness_complex.py
@@ -0,0 +1,95 @@
+import gudhi
+
+""" This file is part of the Gudhi Library - https://gudhi.inria.fr/ - which is released under MIT.
+    See file LICENSE or go to https://gudhi.inria.fr/licensing/ for full license details.
+    Author(s):       Vincent Rouvreau
+
+    Copyright (C) 2016 Inria
+
+    Modification(s):
+      - YYYY/MM Author: Description of the modification
+"""
+
+__author__ = "Vincent Rouvreau"
+__copyright__ = "Copyright (C) 2016 Inria"
+__license__ = "MIT"
+
+
+def test_empty_euclidean_witness_complex():
+    euclidean_witness = gudhi.EuclideanWitnessComplex()
+    assert euclidean_witness.__is_defined() == False
+
+
+def test_witness_complex():
+    point_cloud = [
+        [1.0, 1.0],
+        [7.0, 0.0],
+        [4.0, 6.0],
+        [9.0, 6.0],
+        [0.0, 14.0],
+        [2.0, 19.0],
+        [9.0, 17.0],
+    ]
+    landmarks = [[1.0, 1.0], [7.0, 0.0], [4.0, 6.0]]
+    euclidean_witness_complex = gudhi.EuclideanWitnessComplex(
+        landmarks=landmarks, witnesses=point_cloud
+    )
+    simplex_tree = euclidean_witness_complex.create_simplex_tree(max_alpha_square=4.1)
+
+    assert landmarks[0] == euclidean_witness_complex.get_point(0)
+    assert landmarks[1] == euclidean_witness_complex.get_point(1)
+    assert landmarks[2] == euclidean_witness_complex.get_point(2)
+
+    assert simplex_tree.get_filtration() == [
+        ([0], 0.0),
+        ([1], 0.0),
+        ([0, 1], 0.0),
+        ([2], 0.0),
+        ([0, 2], 0.0),
+        ([1, 2], 0.0),
+        ([0, 1, 2], 0.0),
+    ]
+
+
+def test_empty_euclidean_strong_witness_complex():
+    euclidean_strong_witness = gudhi.EuclideanStrongWitnessComplex()
+    assert euclidean_strong_witness.__is_defined() == False
+
+
+def test_strong_witness_complex():
+    point_cloud = [
+        [1.0, 1.0],
+        [7.0, 0.0],
+        [4.0, 6.0],
+        [9.0, 6.0],
+        [0.0, 14.0],
+        [2.0, 19.0],
+        [9.0, 17.0],
+    ]
+    landmarks = [[1.0, 1.0], [7.0, 0.0], [4.0, 6.0]]
+    euclidean_strong_witness_complex = gudhi.EuclideanStrongWitnessComplex(
+        landmarks=landmarks, witnesses=point_cloud
+    )
+    simplex_tree = euclidean_strong_witness_complex.create_simplex_tree(
+        max_alpha_square=14.9
+    )
+
+    assert landmarks[0] == euclidean_strong_witness_complex.get_point(0)
+    assert landmarks[1] == euclidean_strong_witness_complex.get_point(1)
+    assert landmarks[2] == euclidean_strong_witness_complex.get_point(2)
+
+    assert simplex_tree.get_filtration() == [([0], 0.0), ([1], 0.0), ([2], 0.0)]
+
+    simplex_tree = euclidean_strong_witness_complex.create_simplex_tree(
+        max_alpha_square=100.0
+    )
+
+    assert simplex_tree.get_filtration() == [
+        ([0], 0.0),
+        ([1], 0.0),
+        ([2], 0.0),
+        ([1, 2], 15.0),
+        ([0, 2], 34.0),
+        ([0, 1], 37.0),
+        ([0, 1, 2], 37.0),
+    ]