content: package pl.allegro.tech.hermes.integrationtests;
  
  import static com.google.common.collect.ImmutableMap.of;
  import static pl.allegro.tech.hermes.test.helper.builder.SubscriptionBuilder.subscriptionWithRandomName;
  import static pl.allegro.tech.hermes.test.helper.builder.TopicBuilder.topicWithRandomName;
  
  import java.util.Set;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.extension.RegisterExtension;
  import pl.allegro.tech.hermes.api.MessageFilterSpecification;
  import pl.allegro.tech.hermes.api.SubscriptionPolicy;
  import pl.allegro.tech.hermes.api.Topic;
  import pl.allegro.tech.hermes.integrationtests.setup.HermesExtension;
  import pl.allegro.tech.hermes.integrationtests.subscriber.TestSubscriber;
  import pl.allegro.tech.hermes.integrationtests.subscriber.TestSubscribersExtension;
  import pl.allegro.tech.hermes.test.helper.avro.AvroUser;
  
  public class FilteringJsonTest {
  
    @RegisterExtension public static final HermesExtension hermes = new HermesExtension();
  
    @RegisterExtension
    public static final TestSubscribersExtension subscribers = new TestSubscribersExtension();
  
    private static final MessageFilterSpecification MESSAGE_NAME_FILTER =
        new MessageFilterSpecification(of("type", "jsonpath", "path", ".name", "matcher", "^Bob.*"));
  
    private static final MessageFilterSpecification MESSAGE_COLOR_FILTER =
        new MessageFilterSpecification(
            of("type", "jsonpath", "path", ".favoriteColor", "matcher", "grey"));
  
    static final AvroUser BOB = new AvroUser("Bob", 50, "blue");
    static final AvroUser ALICE = new AvroUser("Alice", 20, "magenta");
    static final AvroUser ALICE_GREY = new AvroUser("Alice", 20, "grey");
    static final AvroUser BOB_GREY = new AvroUser("Bob", 50, "grey");
  
    private static final SubscriptionPolicy SUBSCRIPTION_POLICY =
        new SubscriptionPolicy(100, 2000, 1000, 1000, true, 100, null, 0, 1, 600);
  
    @Test
    public void shouldFilterIncomingEvents() {
      // given
      TestSubscriber subscriber = subscribers.createSubscriber();
      Topic topic = hermes.initHelper().createTopic(topicWithRandomName().build());
      hermes
          .initHelper()
          .createSubscription(
              subscriptionWithRandomName(topic.getName(), subscriber.getEndpoint())
                  .withSubscriptionPolicy(SUBSCRIPTION_POLICY)
                  .withFilter(MESSAGE_NAME_FILTER)
                  .build());
  
      // when
      hermes.api().publishUntilSuccess(topic.getQualifiedName(), ALICE.asJson());
      hermes.api().publishUntilSuccess(topic.getQualifiedName(), BOB.asJson());
  
      // then
      subscriber.waitUntilAllReceivedStrict(Set.of(BOB.asJson()));
    }
  
    @Test
    public void shouldChainFilters() {
      // given
      TestSubscriber subscriber = subscribers.createSubscriber();
      Topic topic = hermes.initHelper().createTopic(topicWithRandomName().build());
      hermes
          .initHelper()
          .createSubscription(
              subscriptionWithRandomName(topic.getName(), subscriber.getEndpoint())
                  .withSubscriptionPolicy(SUBSCRIPTION_POLICY)
                  .withFilter(MESSAGE_NAME_FILTER)
                  .withFilter(MESSAGE_COLOR_FILTER)
                  .build());
  
      // when
      hermes.api().publishUntilSuccess(topic.getQualifiedName(), ALICE.asJson());
      hermes.api().publishUntilSuccess(topic.getQualifiedName(), ALICE_GREY.asJson());
      hermes.api().publishUntilSuccess(topic.getQualifiedName(), BOB.asJson());
      hermes.api().publishUntilSuccess(topic.getQualifiedName(), BOB_GREY.asJson());
  
      // then
      subscriber.waitUntilAllReceivedStrict(Set.of(BOB_GREY.asJson()));
    }
  
    @Test
    public void shouldPassSubscriptionHeadersWhenFilteringIsEnabledForIncomingEvents() {
      // given
      TestSubscriber subscriber = subscribers.createSubscriber();
      Topic topic = hermes.initHelper().createTopic(topicWithRandomName().build());
      hermes
          .initHelper()
          .createSubscription(
              subscriptionWithRandomName(topic.getName(), subscriber.getEndpoint())
                  .withSubscriptionPolicy(SUBSCRIPTION_POLICY)
                  .withFilter(MESSAGE_NAME_FILTER)
                  .withHeader("MY-HEADER", "myHeaderValue")
                  .build());
  
      // when
      hermes.api().publishUntilSuccess(topic.getQualifiedName(), ALICE.asJson());
      hermes.api().publishUntilSuccess(topic.getQualifiedName(), BOB.asJson());
  
      // then
      subscriber.waitUntilAllReceivedStrict(Set.of(BOB.asJson()));
      subscriber.waitUntilMessageWithHeaderReceived("MY-HEADER", "myHeaderValue");
    }
  }
  