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Merge pull request #24236 from michalszynkiewicz/rcr-ndjson
Support consuming json stream and ndjson in REST Client Reactive
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236 changes: 236 additions & 0 deletions
236
...nt-reactive/deployment/src/test/java/io/quarkus/rest/client/reactive/MultiNdjsonTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,236 @@ | ||
| package io.quarkus.rest.client.reactive; | ||
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| import static org.assertj.core.api.Assertions.assertThat; | ||
| import static org.junit.jupiter.api.Assertions.fail; | ||
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| import java.net.URI; | ||
| import java.util.Arrays; | ||
| import java.util.List; | ||
| import java.util.Objects; | ||
| import java.util.concurrent.CopyOnWriteArrayList; | ||
| import java.util.concurrent.CountDownLatch; | ||
| import java.util.concurrent.TimeUnit; | ||
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| import javax.inject.Inject; | ||
| import javax.ws.rs.GET; | ||
| import javax.ws.rs.Path; | ||
| import javax.ws.rs.Produces; | ||
| import javax.ws.rs.core.MediaType; | ||
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| import org.eclipse.microprofile.rest.client.RestClientBuilder; | ||
| import org.jboss.resteasy.reactive.RestStreamElementType; | ||
| import org.jboss.resteasy.reactive.common.util.RestMediaType; | ||
| import org.junit.jupiter.api.Test; | ||
| import org.junit.jupiter.api.extension.RegisterExtension; | ||
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| import com.fasterxml.jackson.core.JsonProcessingException; | ||
| import com.fasterxml.jackson.databind.ObjectMapper; | ||
| import com.fasterxml.jackson.databind.ObjectWriter; | ||
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| import io.quarkus.test.QuarkusUnitTest; | ||
| import io.quarkus.test.common.http.TestHTTPResource; | ||
| import io.quarkus.vertx.web.ReactiveRoutes; | ||
| import io.quarkus.vertx.web.Route; | ||
| import io.smallrye.mutiny.Multi; | ||
| import io.vertx.core.Vertx; | ||
| import io.vertx.ext.web.RoutingContext; | ||
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| public class MultiNdjsonTest { | ||
| @RegisterExtension | ||
| static final QuarkusUnitTest TEST = new QuarkusUnitTest(); | ||
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| @TestHTTPResource | ||
| URI uri; | ||
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| @Test | ||
| void shouldReadNdjsonStringAsMulti() throws InterruptedException { | ||
| var client = RestClientBuilder.newBuilder().baseUri(uri) | ||
| .build(Client.class); | ||
| var collected = new CopyOnWriteArrayList<String>(); | ||
| var completionLatch = new CountDownLatch(1); | ||
| client.readString().onCompletion().invoke(completionLatch::countDown) | ||
| .subscribe().with(collected::add); | ||
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| if (!completionLatch.await(5, TimeUnit.SECONDS)) { | ||
| fail("Streaming did not complete in time"); | ||
| } | ||
| assertThat(collected).hasSize(4) | ||
| .contains("one", "two", "three", "four"); | ||
| } | ||
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| @Test | ||
| void shouldReadNdjsonPojoAsMulti() throws InterruptedException { | ||
| var client = RestClientBuilder.newBuilder().baseUri(uri) | ||
| .build(Client.class); | ||
| var collected = new CopyOnWriteArrayList<Message>(); | ||
| var completionLatch = new CountDownLatch(1); | ||
| client.readPojo().onCompletion().invoke(completionLatch::countDown) | ||
| .subscribe().with(collected::add); | ||
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| if (!completionLatch.await(5, TimeUnit.SECONDS)) { | ||
| fail("Streaming did not complete in time"); | ||
| } | ||
| var expected = Arrays.asList(Message.of("one", "1"), | ||
| Message.of("two", "2"), Message.of("three", "3"), | ||
| Message.of("four", "4")); | ||
| assertThat(collected).hasSize(4).containsAll(expected); | ||
| } | ||
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| @Test | ||
| void shouldReadNdjsonPojoFromReactiveRoutes() throws InterruptedException { | ||
| URI reactiveRoutesBaseUri = URI.create(uri.toString() + "/rr"); | ||
| var client = RestClientBuilder.newBuilder().baseUri(reactiveRoutesBaseUri) | ||
| .build(Client.class); | ||
| var collected = new CopyOnWriteArrayList<Message>(); | ||
| var completionLatch = new CountDownLatch(1); | ||
| client.readPojo().onCompletion().invoke(completionLatch::countDown) | ||
| .subscribe().with(collected::add); | ||
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| if (!completionLatch.await(5, TimeUnit.SECONDS)) { | ||
| fail("Streaming did not complete in time"); | ||
| } | ||
| var expected = Arrays.asList(Message.of("superman", "1"), | ||
| Message.of("batman", "2"), Message.of("spiderman", "3")); | ||
| assertThat(collected).hasSize(3).containsAll(expected); | ||
| } | ||
|
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| @Test | ||
| void shouldReadNdjsonFromSingleMessage() throws InterruptedException { | ||
| var client = RestClientBuilder.newBuilder().baseUri(uri) | ||
| .build(Client.class); | ||
| var collected = new CopyOnWriteArrayList<Message>(); | ||
| var completionLatch = new CountDownLatch(1); | ||
| client.readPojoSingle().onCompletion().invoke(completionLatch::countDown) | ||
| .subscribe().with(collected::add); | ||
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| if (!completionLatch.await(5, TimeUnit.SECONDS)) { | ||
| fail("Streaming did not complete in time"); | ||
| } | ||
| var expected = Arrays.asList( | ||
| Message.of("zero", "0"), Message.of("one", "1"), | ||
| Message.of("two", "2"), Message.of("three", "3")); | ||
| assertThat(collected).hasSize(4).containsAll(expected); | ||
| } | ||
|
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| @Path("/stream") | ||
| public interface Client { | ||
| @GET | ||
| @Path("/string") | ||
| @Produces(RestMediaType.APPLICATION_NDJSON) | ||
| @RestStreamElementType(MediaType.APPLICATION_JSON) | ||
| Multi<String> readString(); | ||
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| @GET | ||
| @Path("/pojo") | ||
| @Produces(RestMediaType.APPLICATION_NDJSON) | ||
| @RestStreamElementType(MediaType.APPLICATION_JSON) | ||
| Multi<Message> readPojo(); | ||
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| @GET | ||
| @Path("/single-pojo") | ||
| @Produces(RestMediaType.APPLICATION_NDJSON) | ||
| @RestStreamElementType(MediaType.APPLICATION_JSON) | ||
| Multi<Message> readPojoSingle(); | ||
| } | ||
|
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| public static class ReactiveRoutesResource { | ||
| @Route(path = "/rr/stream/pojo", produces = ReactiveRoutes.ND_JSON) | ||
| Multi<Message> people(RoutingContext context) { | ||
| return Multi.createFrom().items( | ||
| Message.of("superman", "1"), | ||
| Message.of("batman", "2"), | ||
| Message.of("spiderman", "3")); | ||
| } | ||
| } | ||
|
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| @Path("/stream") | ||
| public static class StreamingResource { | ||
| @Inject | ||
| Vertx vertx; | ||
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| @GET | ||
| @Path("/string") | ||
| @Produces(RestMediaType.APPLICATION_NDJSON) | ||
| @RestStreamElementType(MediaType.APPLICATION_JSON) | ||
| public Multi<String> readString() { | ||
| return Multi.createFrom().emitter( | ||
| em -> { | ||
| em.emit("one"); | ||
| em.emit("two"); | ||
| em.emit("three"); | ||
| em.emit("four"); | ||
| em.complete(); | ||
| }); | ||
| } | ||
|
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| @GET | ||
| @Path("/pojo") | ||
| @Produces(RestMediaType.APPLICATION_NDJSON) | ||
| @RestStreamElementType(MediaType.APPLICATION_JSON) | ||
| public Multi<Message> readPojo() { | ||
| return Multi.createFrom().emitter( | ||
| em -> { | ||
| em.emit(Message.of("one", "1")); | ||
| em.emit(Message.of("two", "2")); | ||
| em.emit(Message.of("three", "3")); | ||
| vertx.setTimer(100, id -> { | ||
| em.emit(Message.of("four", "4")); | ||
| em.complete(); | ||
| }); | ||
| }); | ||
| } | ||
|
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| @GET | ||
| @Path("/single-pojo") | ||
| @Produces(RestMediaType.APPLICATION_NDJSON) | ||
| @RestStreamElementType(MediaType.APPLICATION_JSON) | ||
| public String getPojosAsString() throws JsonProcessingException { | ||
| ObjectMapper mapper = new ObjectMapper(); | ||
| StringBuilder result = new StringBuilder(); | ||
| ObjectWriter objectWriter = mapper.writerFor(Message.class); | ||
| for (var msg : List.of(Message.of("zero", "0"), | ||
| Message.of("one", "1"), | ||
| Message.of("two", "2"), | ||
| Message.of("three", "3"))) { | ||
| result.append(objectWriter.writeValueAsString(msg)); | ||
| result.append("\n"); | ||
| } | ||
| return result.toString(); | ||
| } | ||
| } | ||
|
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| public static class Message { | ||
| public String name; | ||
| public String value; | ||
|
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| public static Message of(String name, String value) { | ||
| Message message = new Message(); | ||
| message.name = name; | ||
| message.value = value; | ||
| return message; | ||
| } | ||
|
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| @Override | ||
| public boolean equals(Object o) { | ||
| if (this == o) | ||
| return true; | ||
| if (o == null || getClass() != o.getClass()) | ||
| return false; | ||
| Message message = (Message) o; | ||
| return Objects.equals(name, message.name) && Objects.equals(value, message.value); | ||
| } | ||
|
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| @Override | ||
| public int hashCode() { | ||
| return Objects.hash(name, value); | ||
| } | ||
|
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| @Override | ||
| public String toString() { | ||
| return "Message{" + | ||
| "name='" + name + '\'' + | ||
| ", value='" + value + '\'' + | ||
| '}'; | ||
| } | ||
| } | ||
| } |
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