Merge pull request #8125 from eugenp/revert-8119-BAEL-3275-2

Revert "BAEL-3275: Using blocking queue for pub-sub"

vertx/src/test/java/com/baeldung/SimpleServerVerticleUnitTest.java

@@ -0,0 +1,55 @@
+package com.baeldung;
+
+import io.vertx.core.DeploymentOptions;
+import io.vertx.core.Vertx;
+import io.vertx.core.json.JsonObject;
+import io.vertx.ext.unit.Async;
+import io.vertx.ext.unit.TestContext;
+import io.vertx.ext.unit.junit.VertxUnitRunner;
+
+import java.io.IOException;
+import java.net.ServerSocket;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(VertxUnitRunner.class)
+public class SimpleServerVerticleUnitTest {
+    private Vertx vertx;
+
+    private int port = 8081;
+
+    @Before
+    public void setup(TestContext testContext) throws IOException {
+        vertx = Vertx.vertx();
+
+        // Pick an available and random
+        ServerSocket socket = new ServerSocket(0);
+        port = socket.getLocalPort();
+        socket.close();
+
+        DeploymentOptions options = new DeploymentOptions().setConfig(new JsonObject().put("http.port", port));
+
+        vertx.deployVerticle(SimpleServerVerticle.class.getName(), options, testContext.asyncAssertSuccess());
+    }
+
+    @After
+    public void tearDown(TestContext testContext) {
+        vertx.close(testContext.asyncAssertSuccess());
+    }
+
+    @Test
+    public void whenReceivedResponse_thenSuccess(TestContext testContext) {
+        final Async async = testContext.async();
+
+        vertx.createHttpClient()
+            .getNow(port, "localhost", "/", response -> response.handler(responseBody -> {
+                testContext.assertTrue(responseBody.toString()
+                    .contains("Welcome"));
+                async.complete();
+            }));
+    }
+
+}