content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   *    http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.arrow.flight;
  
  import static org.apache.arrow.flight.FlightTestUtil.LOCALHOST;
  import static org.apache.arrow.flight.Location.forGrpcInsecure;
  import static org.junit.jupiter.api.Assertions.assertArrayEquals;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  import static org.junit.jupiter.api.Assertions.fail;
  
  import io.grpc.Metadata;
  import java.io.IOException;
  import java.nio.charset.StandardCharsets;
  import java.time.Duration;
  import java.time.Instant;
  import java.util.Iterator;
  import java.util.concurrent.TimeUnit;
  import java.util.function.Consumer;
  import org.apache.arrow.memory.BufferAllocator;
  import org.apache.arrow.memory.RootAllocator;
  import org.junit.jupiter.api.Disabled;
  import org.junit.jupiter.api.Test;
  
  public class TestCallOptions {
  
    @Test
    @Disabled
    public void timeoutFires() {
      // Ignored due to CI flakiness
      test(
          (client) -> {
            Instant start = Instant.now();
            Iterator<Result> results =
                client.doAction(new Action("hang"), CallOptions.timeout(1, TimeUnit.SECONDS));
            try {
              results.next();
              fail("Call should have failed");
            } catch (RuntimeException e) {
              assertTrue(e.getMessage().contains("deadline exceeded"), e.getMessage());
            }
            Instant end = Instant.now();
            assertTrue(
                Duration.between(start, end).toMillis() < 1500,
                "Call took over 1500 ms despite timeout");
          });
    }
  
    @Test
    @Disabled
    public void underTimeout() {
      // Ignored due to CI flakiness
      test(
          (client) -> {
            Instant start = Instant.now();
            // This shouldn't fail and it should complete within the timeout
            Iterator<Result> results =
                client.doAction(new Action("fast"), CallOptions.timeout(2, TimeUnit.SECONDS));
            assertArrayEquals(new byte[] {42, 42}, results.next().getBody());
            Instant end = Instant.now();
            assertTrue(
                Duration.between(start, end).toMillis() < 2500,
                "Call took over 2500 ms despite timeout");
          });
    }
  
    @Test
    public void singleProperty() {
      final FlightCallHeaders headers = new FlightCallHeaders();
      headers.insert("key", "value");
      testHeaders(headers);
    }
  
    @Test
    public void multipleProperties() {
      final FlightCallHeaders headers = new FlightCallHeaders();
      headers.insert("key", "value");
      headers.insert("key2", "value2");
      testHeaders(headers);
    }
  
    @Test
    public void binaryProperties() {
      final FlightCallHeaders headers = new FlightCallHeaders();
      headers.insert("key-bin", "value".getBytes(StandardCharsets.UTF_8));
      headers.insert("key3-bin", "ëfßæ".getBytes(StandardCharsets.UTF_8));
      testHeaders(headers);
    }
  
    @Test
    public void mixedProperties() {
      final FlightCallHeaders headers = new FlightCallHeaders();
      headers.insert("key", "value");
      headers.insert("key3-bin", "ëfßæ".getBytes(StandardCharsets.UTF_8));
      testHeaders(headers);
    }
  
    private void testHeaders(CallHeaders headers) {
      try (BufferAllocator a = new RootAllocator(Long.MAX_VALUE);
          HeaderProducer producer = new HeaderProducer();
          FlightServer s =
              FlightServer.builder(a, forGrpcInsecure(LOCALHOST, 0), producer).build().start();
          FlightClient client = FlightClient.builder(a, s.getLocation()).build()) {
        assertFalse(client.doAction(new Action(""), new HeaderCallOption(headers)).hasNext());
        final CallHeaders incomingHeaders = producer.headers();
        for (String key : headers.keys()) {
          if (key.endsWith(Metadata.BINARY_HEADER_SUFFIX)) {
            assertArrayEquals(headers.getByte(key), incomingHeaders.getByte(key));
          } else {
            assertEquals(headers.get(key), incomingHeaders.get(key));
          }
        }
      } catch (InterruptedException | IOException e) {
        throw new RuntimeException(e);
      }
    }
  
    void test(Consumer<FlightClient> testFn) {
      try (BufferAllocator a = new RootAllocator(Long.MAX_VALUE);
          Producer producer = new Producer();
          FlightServer s =
              FlightServer.builder(a, forGrpcInsecure(LOCALHOST, 0), producer).build().start();
          FlightClient client = FlightClient.builder(a, s.getLocation()).build()) {
        testFn.accept(client);
      } catch (InterruptedException | IOException e) {
        throw new RuntimeException(e);
      }
    }
  
    static class HeaderProducer extends NoOpFlightProducer implements AutoCloseable {
      CallHeaders headers;
  
      @Override
      public void close() {}
  
      public CallHeaders headers() {
        return headers;
      }
  
      @Override
      public void doAction(CallContext context, Action action, StreamListener<Result> listener) {
        this.headers = context.getMiddleware(FlightConstants.HEADER_KEY).headers();
        listener.onCompleted();
      }
    }
  
    static class Producer extends NoOpFlightProducer implements AutoCloseable {
  
      Producer() {}
  
      @Override
      public void close() {}
  
      @Override
      public void doAction(CallContext context, Action action, StreamListener<Result> listener) {
        switch (action.getType()) {
          case "hang":
            {
              try {
                Thread.sleep(25000);
              } catch (InterruptedException e) {
                throw new RuntimeException(e);
              }
              listener.onNext(new Result(new byte[] {}));
              listener.onCompleted();
              return;
            }
          case "fast":
            {
              try {
                Thread.sleep(500);
              } catch (InterruptedException e) {
                throw new RuntimeException(e);
              }
              listener.onNext(new Result(new byte[] {42, 42}));
              listener.onCompleted();
              return;
            }
          default:
            {
              throw new UnsupportedOperationException(action.getType());
            }
        }
      }
    }
  }
  