opentelemetry-java-instrume.../dd-java-agent/instrumentation/vertx/src/test/java/VertxWebTestServer.java

108 lines
3.4 KiB
Java

import static datadog.trace.agent.test.AgentTestRunner.blockUntilChildSpansFinished;
import datadog.trace.api.Trace;
import io.vertx.core.AbstractVerticle;
import io.vertx.core.DeploymentOptions;
import io.vertx.core.Future;
import io.vertx.core.Vertx;
import io.vertx.core.VertxOptions;
import io.vertx.core.buffer.Buffer;
import io.vertx.core.http.HttpClient;
import io.vertx.core.json.JsonObject;
import io.vertx.ext.web.Router;
import io.vertx.ext.web.RoutingContext;
import java.util.Optional;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
public class VertxWebTestServer extends AbstractVerticle {
public static final String CONFIG_HTTP_SERVER_PORT = "http.server.port";
public static Vertx start(final int port) throws ExecutionException, InterruptedException {
/* This is highly against Vertx ideas, but our tests are synchronous
so we have to make sure server is up and running */
final CompletableFuture<Void> future = new CompletableFuture<>();
final Vertx vertx = Vertx.vertx(new VertxOptions().setClusterPort(port));
vertx.deployVerticle(
VertxWebTestServer.class.getName(),
new DeploymentOptions()
.setConfig(new JsonObject().put(CONFIG_HTTP_SERVER_PORT, port))
.setInstances(3),
res -> {
if (!res.succeeded()) {
throw new RuntimeException("Cannot deploy server Verticle", res.cause());
}
future.complete(null);
});
future.get();
return vertx;
}
@Override
public void start(final Future<Void> startFuture) {
final HttpClient client = vertx.createHttpClient();
final int port = config().getInteger(CONFIG_HTTP_SERVER_PORT);
final Router router = Router.router(vertx);
router
.route("/")
.handler(
routingContext -> {
routingContext.response().putHeader("content-type", "text/html").end("Hello World");
});
router
.route("/error")
.handler(
routingContext -> {
routingContext.response().setStatusCode(500).end();
});
router
.route("/proxy")
.handler(
routingContext -> {
client
.get(
port,
"localhost",
"/test",
response -> {
response.bodyHandler(
buffer -> {
routingContext
.response()
.setStatusCode(response.statusCode())
.end(buffer);
});
blockUntilChildSpansFinished(1);
})
.end(Optional.ofNullable(routingContext.getBody()).orElse(Buffer.buffer()));
});
router
.route("/test")
.handler(
routingContext -> {
tracedMethod();
routingContext.next();
})
.blockingHandler(RoutingContext::next)
.handler(
routingContext -> {
routingContext.response().putHeader("content-type", "text/html").end("Hello World");
});
vertx
.createHttpServer()
.requestHandler(router::accept)
.listen(port, h -> startFuture.complete());
}
@Trace
private void tracedMethod() {}
}