Merge commit 'f545a8f' into maint/3.8.x

jaraco · jaraco · commit 99f83cf6095c · 2021-03-27T13:16:16.000-04:00
diff --git a/tests/test_integration.py b/tests/test_integration.py
@@ -7,6 +7,7 @@
     Distribution,
     MetadataPathFinder,
     _compat,
+    distributions,
     version,
 )
 
@@ -59,3 +60,16 @@ def test_search_dist_dirs(self):
         """
         res = MetadataPathFinder._search_paths('any-name', [])
         assert list(res) == []
+
+    def test_interleaved_discovery(self):
+        """
+        When the search is cached, it is
+        possible for searches to be interleaved, so make sure
+        those use-cases are safe.
+
+        Ref #293
+        """
+        dists = distributions()
+        next(dists)
+        version('importlib_metadata')
+        next(dists)
