Migrate WebFlux sample to Boot

Closes gh-923

samples/boot/webflux/src/integration-test/java/sample/AttributeTests.java

@@ -0,0 +1,116 @@
+/*
+ * Copyright 2014-2017 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;
+
+import java.util.List;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.ClassRule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.openqa.selenium.WebDriver;
+import org.openqa.selenium.htmlunit.HtmlUnitDriver;
+import org.testcontainers.containers.GenericContainer;
+import sample.pages.HomePage;
+import sample.pages.HomePage.Attribute;
+
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
+import org.springframework.boot.test.util.TestPropertyValues;
+import org.springframework.boot.web.server.LocalServerPort;
+import org.springframework.context.ApplicationContextInitializer;
+import org.springframework.context.ConfigurableApplicationContext;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * @author Eddú Meléndez
+ * @author Rob Winch
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = HelloWebFluxApplication.class, webEnvironment = WebEnvironment.RANDOM_PORT)
+@ContextConfiguration(initializers = AttributeTests.Initializer.class)
+public class AttributeTests {
+
+	private static final String DOCKER_IMAGE = "redis:4.0.2";
+
+	@ClassRule
+	public static GenericContainer redisContainer = new GenericContainer(DOCKER_IMAGE)
+			.withExposedPorts(6379);
+
+	@LocalServerPort
+	private int port;
+
+	private WebDriver driver;
+
+	@Before
+	public void setup() {
+		this.driver = new HtmlUnitDriver();
+	}
+
+	@After
+	public void tearDown() {
+		this.driver.quit();
+	}
+
+	@Test
+	public void home() {
+		HomePage home = HomePage.go(this.driver, this.port);
+		home.assertAt();
+	}
+
+	@Test
+	public void noAttributes() {
+		HomePage home = HomePage.go(this.driver, this.port);
+		assertThat(home.attributes()).isEmpty();
+	}
+
+	@Test
+	public void createAttribute() {
+		HomePage home = HomePage.go(this.driver, this.port);
+		// @formatter:off
+		home = home.form()
+				.attributeName("a")
+				.attributeValue("b")
+				.submit(HomePage.class);
+		// @formatter:on
+
+		List<Attribute> attributes = home.attributes();
+		assertThat(attributes).hasSize(1);
+		Attribute row = attributes.get(0);
+		assertThat(row.getAttributeName()).isEqualTo("a");
+		assertThat(row.getAttributeValue()).isEqualTo("b");
+	}
+
+	static class Initializer
+			implements ApplicationContextInitializer<ConfigurableApplicationContext> {
+
+		@Override
+		public void initialize(
+				ConfigurableApplicationContext configurableApplicationContext) {
+			TestPropertyValues
+					.of("spring.redis.host=" + redisContainer.getContainerIpAddress(),
+							"spring.redis.port=" + redisContainer.getFirstMappedPort())
+					.applyTo(configurableApplicationContext.getEnvironment());
+		}
+
+	}
+
+}