Add WebFlux application sample

This commit adds a sample application for the
annotation variant of Spring WebFlux.

spring-boot-samples/spring-boot-sample-webflux/src/test/java/sample/webflux/SampleWebFluxApplicationIntegrationTests.java

@@ -0,0 +1,64 @@
+/*
+ * Copyright 2012-2017 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package sample.webflux;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import reactor.core.publisher.Mono;
+import reactor.test.StepVerifier;
+
+import org.springframework.boot.context.embedded.LocalServerPort;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
+import org.springframework.http.MediaType;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.web.reactive.function.client.WebClient;
+
+/**
+ * Basic integration tests for WebFlux application.
+ *
+ * @author Brian Clozel
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
+public class SampleWebFluxApplicationIntegrationTests {
+
+	@LocalServerPort
+	private int port;
+
+	private WebClient webClient;
+
+	@Before
+	public void setUp() throws Exception {
+		this.webClient = WebClient.create("http://localhost:" + this.port);
+	}
+
+	@Test
+	public void testWelcome() throws Exception {
+		Mono<String> body = this.webClient
+				.get().uri("/")
+				.accept(MediaType.TEXT_PLAIN)
+				.exchange()
+				.then(response -> response.bodyToMono(String.class));
+
+		StepVerifier.create(body)
+				.expectNext("Hello World")
+				.verifyComplete();
+	}
+
+}

spring-boot-samples/spring-boot-sample-webflux/src/test/java/sample/webflux/SampleWebFluxApplicationTests.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2012-2017 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package sample.webflux;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
+import org.springframework.test.context.junit4.SpringRunner;
+
+/**
+ * Basic integration tests for WebFlux application.
+ *
+ * @author Brian Clozel
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest(webEnvironment = WebEnvironment.NONE)
+public class SampleWebFluxApplicationTests {
+
+	@Test
+	public void testSomething() throws Exception {
+
+	}
+
+
+}