Add additional check that using seek and rereading will work

lsst · Apr 10, 2023 · 5c80f0a · 5c80f0a
1 parent 2d66b3c
commit 5c80f0a
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/python/lsst/resources/tests.py b/python/lsst/resources/tests.py
@@ -93,6 +93,9 @@ def _check_open(
             test_case.assertEqual(len(bytes_read), 0)
             bytes_read = read_buffer.read(size)
             test_case.assertEqual(len(bytes_read), 0)
+            read_buffer.seek(0)
+            bytes_read = read_buffer.read(size)
+            test_case.assertEqual(bytes_read, content)
         # Write two copies of the content, overwriting the single copy there.
         with uri.open("w" + mode_suffix, **kwargs) as write_buffer:
             write_buffer.write(double_content)