Simplify project structure

- harmonize module and directory names
- optimize Gradle settings
- remove unused Grails sample

Resolves: #1447

spring-session-samples/spring-session-sample-boot-websocket/src/integration-test/java/sample/ApplicationTests.java

@@ -0,0 +1,96 @@
+/*
+ * Copyright 2014-2019 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
+ *
+ *      https://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.ArrayList;
+import java.util.List;
+import java.util.concurrent.ExecutionException;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.testcontainers.containers.GenericContainer;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
+import org.springframework.boot.test.context.TestConfiguration;
+import org.springframework.context.annotation.Bean;
+import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+import org.springframework.util.concurrent.ListenableFuture;
+import org.springframework.web.socket.TextMessage;
+import org.springframework.web.socket.WebSocketHandler;
+import org.springframework.web.socket.WebSocketSession;
+import org.springframework.web.socket.client.standard.StandardWebSocketClient;
+import org.springframework.web.socket.sockjs.client.RestTemplateXhrTransport;
+import org.springframework.web.socket.sockjs.client.SockJsClient;
+import org.springframework.web.socket.sockjs.client.Transport;
+import org.springframework.web.socket.sockjs.client.WebSocketTransport;
+
+import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
+
+/**
+ * @author Rob Winch
+ * @author Vedran Pavic
+ */
+@ExtendWith(SpringExtension.class)
+@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
+public class ApplicationTests {
+
+	private static final String DOCKER_IMAGE = "redis:5.0.5";
+
+	@Value("${local.server.port}")
+	private String port;
+
+	@Autowired
+	private WebSocketHandler webSocketHandler;
+
+	@Test
+	public void run() {
+		List<Transport> transports = new ArrayList<>(2);
+		transports.add(new WebSocketTransport(new StandardWebSocketClient()));
+		transports.add(new RestTemplateXhrTransport());
+
+		SockJsClient sockJsClient = new SockJsClient(transports);
+		ListenableFuture<WebSocketSession> wsSession = sockJsClient.doHandshake(
+				this.webSocketHandler, "ws://localhost:" + this.port + "/sockjs");
+
+		assertThatExceptionOfType(ExecutionException.class)
+				.isThrownBy(() -> wsSession.get().sendMessage(new TextMessage("a")));
+	}
+
+	@TestConfiguration
+	static class Config {
+
+		@Bean
+		public GenericContainer redisContainer() {
+			GenericContainer redisContainer = new GenericContainer(DOCKER_IMAGE)
+					.withExposedPorts(6379);
+			redisContainer.start();
+			return redisContainer;
+		}
+
+		@Bean
+		public LettuceConnectionFactory redisConnectionFactory() {
+			return new LettuceConnectionFactory(redisContainer().getContainerIpAddress(),
+					redisContainer().getFirstMappedPort());
+		}
+
+	}
+
+}

spring-session-samples/spring-session-sample-boot-websocket/src/integration-test/resources/testcontainers.properties

@@ -0,0 +1 @@
+ryuk.container.timeout=120