Keep dtm warnings test for "hnsw"

1 files changed, 10 insertions, 13 deletions

diff --git a/src/python/test/test_dtm.py b/src/python/test/test_dtm.py
index bdf003a3..09876496 100755
--- a/src/python/test/test_dtm.py
+++ b/src/python/test/test_dtm.py
@@ -13,7 +13,7 @@ import numpy
 import pytest
 import torch
 import math
-#import warnings # used in test_dtm_overflow_warnings
+import warnings
 
 
 def test_dtm_compare_euclidean():
@@ -89,16 +89,13 @@ def test_density():
     density = DTMDensity(weights=[0.5, 0.5], metric="neighbors", dim=1).fit_transform(distances)
     assert density == pytest.approx(expected)
 
-# TODO Uncomment this test when next version of pykeops (current is 1.5) is released (should fix the problem (cf. issue #543))
-#def test_dtm_overflow_warnings():
-    #pts = numpy.array([[10., 100000000000000000000000000000.], [1000., 100000000000000000000000000.]])
-    #impl_warn = ["keops", "hnsw"]
+def test_dtm_overflow_warnings():
+    pts = numpy.array([[10., 100000000000000000000000000000.], [1000., 100000000000000000000000000.]])
 
-    #with warnings.catch_warnings(record=True) as w:
-        #for impl in impl_warn:
-            #dtm = DistanceToMeasure(2, q=10000, implementation=impl)
-            #r = dtm.fit_transform(pts)
-        #assert len(w) == 2
-        #for i in range(len(w)):
-            #assert issubclass(w[i].category, RuntimeWarning)
-            #assert "Overflow" in str(w[i].message)
+    with warnings.catch_warnings(record=True) as w:
+        # TODO Test "keops" implementation as well when next version of pykeops (current is 1.5) is released (should fix the problem (cf. issue #543))
+        dtm = DistanceToMeasure(2, q=10000, implementation="hnsw")
+        r = dtm.fit_transform(pts)
+        assert len(w) == 1
+        assert issubclass(w[0].category, RuntimeWarning)
+        assert "Overflow" in str(w[0].message)