java-tutorials/vertx/src/test/java/com/baeldung/SimpleServerVerticleTest.java

package com.baeldung;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;

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;

@RunWith(VertxUnitRunner.class)
public class SimpleServerVerticleTest {
    private Vertx vertx;

    @Before
    public void setup(TestContext testContext) {
        vertx = Vertx.vertx();

        vertx.deployVerticle(SimpleServerVerticle.class.getName(),
                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(8080, "localhost", "/", response -> {
                    response.handler(responseBody -> {
                        testContext.assertTrue(responseBody.toString()
                                .contains("Welcome"));
                        async.complete();
                    });
                });
    }

}