kou commented on code in PR #36979:
URL: https://github.com/apache/arrow/pull/36979#discussion_r1281157000
##########
cpp/src/arrow/flight/flight_internals_test.cc:
##########
@@ -651,6 +654,38 @@ TEST_F(TestCookieParsing, CookieCache) {
AddCookieVerifyCache({"id0=0;", "id1=1;", "id2=2"}, "id0=0; id1=1; id2=2");
}
+// ----------------------------------------------------------------------
+// Protobuf tests
+
+TEST(GrpcTransport, FlightDataDeserialize) {
+#ifndef _WIN32
+ pb::FlightData raw;
+ // Tack on known and unknown fields by hand here
+ raw.GetReflection()->MutableUnknownFields(&raw)->AddFixed32(900, 1024);
+ raw.GetReflection()->MutableUnknownFields(&raw)->AddFixed64(901, 1024);
+ raw.GetReflection()->MutableUnknownFields(&raw)->AddVarint(902, 1024);
+ raw.GetReflection()->MutableUnknownFields(&raw)->AddLengthDelimited(903,
"foobar");
+ // Known field comes at end
+ raw.GetReflection()->MutableUnknownFields(&raw)->AddLengthDelimited(
+ pb::FlightData::kDataBodyFieldNumber, "data");
+
+ auto serialized = raw.SerializeAsString();
+
+ grpc_slice slice = grpc_slice_from_copied_buffer(serialized.data(),
serialized.size());
+ // gRPC requires that grpc_slice and grpc::Slice have the same representation
+ grpc::ByteBuffer buffer(reinterpret_cast<const grpc::Slice*>(&slice),
/*nslices=*/1);
+
+ flight::internal::FlightData out;
+ auto status = flight::transport::grpc::FlightDataDeserialize(&buffer, &out);
+ ASSERT_TRUE(status.ok());
Review Comment:
Can we use `ASSERT_OK()` here?
```suggestion
ASSERT_OK(flight::transport::grpc::FlightDataDeserialize(&buffer, &out));
```
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