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Merge pull request #223 from loicmathieu/feat/pubsub-emulator
Feat/pubsub emulator
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104 changes: 104 additions & 0 deletions
104
...n-tests/main/src/main/java/io/quarkiverse/googlecloudservices/it/pubsub/TopicManager.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| package io.quarkiverse.googlecloudservices.it.pubsub; | ||
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| import java.io.IOException; | ||
| import java.util.Optional; | ||
| import java.util.stream.StreamSupport; | ||
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| import javax.annotation.PostConstruct; | ||
| import javax.enterprise.context.ApplicationScoped; | ||
| import javax.inject.Inject; | ||
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| import org.eclipse.microprofile.config.inject.ConfigProperty; | ||
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| import com.google.api.gax.core.CredentialsProvider; | ||
| import com.google.api.gax.grpc.GrpcTransportChannel; | ||
| import com.google.api.gax.rpc.FixedTransportChannelProvider; | ||
| import com.google.api.gax.rpc.TransportChannelProvider; | ||
| import com.google.cloud.pubsub.v1.*; | ||
| import com.google.pubsub.v1.*; | ||
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| import io.grpc.ManagedChannel; | ||
| import io.grpc.ManagedChannelBuilder; | ||
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| @ApplicationScoped | ||
| public class TopicManager { | ||
| @Inject | ||
| CredentialsProvider credentialsProvider; | ||
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| @ConfigProperty(name = "quarkus.google.cloud.project-id") | ||
| String projectId; | ||
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| @ConfigProperty(name = "pubsub.use-emulator", defaultValue = "false") | ||
| boolean useEmulator; | ||
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| private TopicName topicName; | ||
| private Optional<TransportChannelProvider> channelProvider; | ||
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| @PostConstruct | ||
| void init() { | ||
| this.topicName = TopicName.of(projectId, "test-topic"); | ||
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| if (useEmulator) { | ||
| ManagedChannel channel = ManagedChannelBuilder.forTarget("localhost:8085").usePlaintext().build(); | ||
| channelProvider = Optional.of(FixedTransportChannelProvider.create(GrpcTransportChannel.create(channel))); | ||
| } else { | ||
| channelProvider = Optional.empty(); | ||
| } | ||
| } | ||
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| public Subscriber initSubscriber(MessageReceiver receiver) throws IOException { | ||
| ProjectSubscriptionName subscriptionName = initTopicAndSubscription(); | ||
| var builder = Subscriber.newBuilder(subscriptionName, receiver) | ||
| .setCredentialsProvider(credentialsProvider); | ||
| channelProvider.ifPresent(builder::setChannelProvider); | ||
| return builder.build(); | ||
| } | ||
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| public Publisher initPublisher() throws IOException { | ||
| var builder = Publisher.newBuilder(topicName) | ||
| .setCredentialsProvider(credentialsProvider); | ||
| channelProvider.ifPresent(builder::setChannelProvider); | ||
| return builder.build(); | ||
| } | ||
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| private ProjectSubscriptionName initTopicAndSubscription() throws IOException { | ||
| TopicAdminSettings topicAdminSettings = getTopicAdminSettings(); | ||
| try (TopicAdminClient topicAdminClient = TopicAdminClient.create(topicAdminSettings)) { | ||
| Iterable<Topic> topics = topicAdminClient.listTopics(ProjectName.of(projectId)).iterateAll(); | ||
| Optional<Topic> existing = StreamSupport.stream(topics.spliterator(), false) | ||
| .filter(topic -> topic.getName().equals(topicName.toString())) | ||
| .findFirst(); | ||
| if (existing.isEmpty()) { | ||
| topicAdminClient.createTopic(topicName.toString()); | ||
| } | ||
| } | ||
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| ProjectSubscriptionName subscriptionName = ProjectSubscriptionName.of(projectId, "test-subscription"); | ||
| SubscriptionAdminSettings subscriptionAdminSettings = getSubscriptionAdminSettings(); | ||
| try (SubscriptionAdminClient subscriptionAdminClient = SubscriptionAdminClient.create(subscriptionAdminSettings)) { | ||
| Iterable<Subscription> subscriptions = subscriptionAdminClient.listSubscriptions(ProjectName.of(projectId)) | ||
| .iterateAll(); | ||
| Optional<Subscription> existing = StreamSupport.stream(subscriptions.spliterator(), false) | ||
| .filter(sub -> sub.getName().equals(subscriptionName.toString())) | ||
| .findFirst(); | ||
| if (existing.isEmpty()) { | ||
| subscriptionAdminClient.createSubscription(subscriptionName, topicName, PushConfig.getDefaultInstance(), 0); | ||
| } | ||
| } | ||
| return subscriptionName; | ||
| } | ||
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| private SubscriptionAdminSettings getSubscriptionAdminSettings() throws IOException { | ||
| var builder = SubscriptionAdminSettings.newBuilder() | ||
| .setCredentialsProvider(credentialsProvider); | ||
| channelProvider.ifPresent(builder::setTransportChannelProvider); | ||
| return builder.build(); | ||
| } | ||
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| private TopicAdminSettings getTopicAdminSettings() throws IOException { | ||
| var builder = TopicAdminSettings.newBuilder() | ||
| .setCredentialsProvider(credentialsProvider); | ||
| channelProvider.ifPresent(builder::setTransportChannelProvider); | ||
| return builder.build(); | ||
| } | ||
| } |
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57 changes: 57 additions & 0 deletions
57
...on-tests/main/src/test/java/io/quarkiverse/googlecloudservices/it/PubSubResourceTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| package io.quarkiverse.googlecloudservices.it; | ||
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| import static io.restassured.RestAssured.given; | ||
| import static org.awaitility.Awaitility.await; | ||
| import static org.hamcrest.core.IsEqual.equalTo; | ||
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| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.concurrent.ExecutionException; | ||
| import java.util.concurrent.TimeUnit; | ||
| import java.util.concurrent.TimeoutException; | ||
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| import org.junit.jupiter.api.AfterAll; | ||
| import org.junit.jupiter.api.BeforeAll; | ||
| import org.junit.jupiter.api.Test; | ||
| import org.testcontainers.containers.PubSubEmulatorContainer; | ||
| import org.testcontainers.utility.DockerImageName; | ||
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| import io.quarkus.test.junit.QuarkusTest; | ||
| import io.restassured.http.ContentType; | ||
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| @QuarkusTest | ||
| public class PubSubResourceTest { | ||
| private static final PubSubEmulatorContainer EMULATOR = new PubSubEmulatorContainer( | ||
| DockerImageName.parse("gcr.io/google.com/cloudsdktool/cloud-sdk")); | ||
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| @BeforeAll | ||
| public static void startGcloudContainer() { | ||
| List<String> portBindings = new ArrayList<>(); | ||
| portBindings.add("8085:8085"); | ||
| EMULATOR.setPortBindings(portBindings); | ||
| EMULATOR.start(); | ||
| } | ||
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| @AfterAll | ||
| public static void stopGcloudContainer() { | ||
| EMULATOR.stop(); | ||
| } | ||
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| @Test | ||
| public void testPubSub() throws ExecutionException, InterruptedException, TimeoutException { | ||
| String message = "Hello Pub/Sub"; | ||
| given() | ||
| .body(message) | ||
| .contentType(ContentType.TEXT) | ||
| .when().post("/pubsub") | ||
| .then() | ||
| .statusCode(204); | ||
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| await().atMost(3, TimeUnit.SECONDS) | ||
| .untilAsserted(() -> given() | ||
| .when().get("/pubsub") | ||
| .then() | ||
| .statusCode(200) | ||
| .body(equalTo(message))); | ||
| } | ||
| } |
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