1 files changed, 40 insertions, 0 deletions
diff --git a/test/test_utils.py b/test/test_utils.py
index 3cfd295..31b12ef 100644
--- a/test/test_utils.py
+++ b/test/test_utils.py
@@ -143,6 +143,7 @@ def test_dist():
     for metric in metrics_w:
         print(metric)
         ot.dist(x, x, metric=metric, p=3, w=np.random.random((2, )))
+        ot.dist(x, x, metric=metric, p=3, w=None)  # check that not having any weight does not cause issues
     for metric in metrics:
         print(metric)
         ot.dist(x, x, metric=metric, p=3)
@@ -300,3 +301,42 @@ def test_BaseEstimator():
         cl.set_params(bibi=10)
 
     assert cl.first == 'spam again'
+
+
+def test_OTResult():
+
+    res = ot.utils.OTResult()
+
+    # test print
+    print(res)
+
+    # tets get citation
+    print(res.citation)
+
+    lst_attributes = ['a_to_b',
+                      'b_to_a',
+                      'lazy_plan',
+                      'marginal_a',
+                      'marginal_b',
+                      'marginals',
+                      'plan',
+                      'potential_a',
+                      'potential_b',
+                      'potentials',
+                      'sparse_plan',
+                      'status',
+                      'value',
+                      'value_linear']
+    for at in lst_attributes:
+        with pytest.raises(NotImplementedError):
+            getattr(res, at)
+
+
+def test_get_coordinate_circle():
+
+    u = np.random.rand(1, 100)
+    x1, y1 = np.cos(u * (2 * np.pi)), np.sin(u * (2 * np.pi))
+    x = np.concatenate([x1, y1]).T
+    x_p = ot.utils.get_coordinate_circle(x)
+
+    np.testing.assert_allclose(u[0], x_p)