lidavidm commented on a change in pull request #10318:
URL: https://github.com/apache/arrow/pull/10318#discussion_r644146344
##########
File path: python/pyarrow/tests/test_flight.py
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@@ -1810,3 +1813,62 @@ def test_generic_options():
generic_options=options)
with pytest.raises(pa.ArrowInvalid):
client.do_get(flight.Ticket(b'ints'))
+
+
+class CancelFlightServer(FlightServerBase):
+ """A server for testing StopToken."""
+
+ def do_get(self, context, ticket):
+ schema = pa.schema([])
+ rb = pa.RecordBatch.from_arrays([], schema=schema)
+ return flight.GeneratorStream(schema, itertools.repeat(rb))
+
+ def do_exchange(self, context, descriptor, reader, writer):
+ schema = pa.schema([])
+ rb = pa.RecordBatch.from_arrays([], schema=schema)
+ writer.begin(schema)
+ while not context.is_cancelled():
+ # TODO: writing schema.empty_table() here hangs/fails
+ writer.write_batch(rb)
Review comment:
It should raise an exception, but either way, the client is gone at this
point so there's not much the server can do.
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