public static void testListSessionsAsync()

in grpc-gcp-benchmarks/src/benchmarkTest/java/SpannerLoadTest.java [164:187]


  public static void testListSessionsAsync() throws InterruptedException {
    logger.info("Start testing ListSessions StreamObserver..");
    File configFile =
        new File(SpannerLoadTest.class.getClassLoader().getResource(API_FILE).getFile());
    ManagedChannel channel =
        GcpManagedChannelBuilder.forDelegateBuilder(builder)
            .withApiConfigJsonFile(configFile)
            .build();
    SpannerStub stub = getSpannerStub(channel);
    List<String> respNames = createAsyncSessions(stub);
    AsyncResponseObserver<ListSessionsResponse> respList = new AsyncResponseObserver<>();
    stub.listSessions(ListSessionsRequest.newBuilder().setDatabase(DATABASE).build(), respList);
    ListSessionsResponse responseList = respList.get();
    Set<String> trueNames = new HashSet<>();
    for (Session s : responseList.getSessionsList()) {
      trueNames.add(s.getName());
    }
    for (String name : respNames) {
      if (!trueNames.contains(name)) {
        logger.warning(String.format("Listed Sessions doesn't contain session %s", name));
      }
    }
    deleteAsyncSessions(stub, respNames);
  }