Add Integration Test for local HTTP Session state caching using the EnableClusterAware annotation to appropriately recognize and configure a local Apache Geode cache topology.

Resolves gh-66.

spring-geode-autoconfigure/src/test/java/org/springframework/geode/boot/autoconfigure/session/AutoConfiguredSessionLocalCachingIntegrationTests.java

@@ -0,0 +1,192 @@
+/*
+ * Copyright 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 org.springframework.geode.boot.autoconfigure.session;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.net.URI;
+import java.util.concurrent.atomic.AtomicReference;
+
+import javax.annotation.Resource;
+import javax.servlet.http.HttpSession;
+
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.apache.geode.cache.DataPolicy;
+import org.apache.geode.cache.Region;
+
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.web.server.LocalServerPort;
+import org.springframework.context.annotation.Bean;
+import org.springframework.data.gemfire.tests.integration.IntegrationTestsSupport;
+import org.springframework.geode.config.annotation.ClusterAwareConfiguration;
+import org.springframework.geode.config.annotation.EnableClusterAware;
+import org.springframework.http.RequestEntity;
+import org.springframework.http.ResponseEntity;
+import org.springframework.session.data.gemfire.config.annotation.web.http.GemFireHttpSessionConfiguration;
+import org.springframework.session.web.http.HeaderHttpSessionIdResolver;
+import org.springframework.session.web.http.HttpSessionIdResolver;
+import org.springframework.test.context.ActiveProfiles;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.util.StringUtils;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.client.RestTemplate;
+
+/**
+ * Integration Tests for local HTTP Session state caching using SBDG with SSDG along with the {@link EnableClusterAware}
+ * to appropriately identify and configure a local Apache Geode cache topology.
+ *
+ * @author John Blum
+ * @see org.junit.Test
+ * @see org.springframework.boot.autoconfigure.SpringBootApplication
+ * @see org.springframework.boot.test.context.SpringBootTest
+ * @see org.springframework.data.gemfire.tests.integration.IntegrationTestsSupport
+ * @see org.springframework.geode.config.annotation.EnableClusterAware
+ * @see org.springframework.test.context.ActiveProfiles
+ * @see org.springframework.test.context.junit4.SpringRunner
+ * @see org.springframework.web.bind.annotation.GetMapping
+ * @see org.springframework.web.bind.annotation.RequestMapping
+ * @see org.springframework.web.bind.annotation.RestController
+ * @see org.springframework.web.client.RestTemplate
+ * @since 1.2.2
+ */
+@ActiveProfiles("session-local")
+@RunWith(SpringRunner.class)
+@SpringBootTest(
+	classes = {
+		AutoConfiguredSessionLocalCachingIntegrationTests.TestConfiguration.class,
+		AutoConfiguredSessionLocalCachingIntegrationTests.TestWebApplication.class
+	},
+	properties = {
+		"spring.session.data.gemfire.session.region.name=Sessions"
+	},
+	webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT
+)
+public class AutoConfiguredSessionLocalCachingIntegrationTests extends IntegrationTestsSupport {
+
+	private static final AtomicReference<String> sessionId = new AtomicReference<>(null);
+
+	private static final String HTTP_HEADER_AUTHENTICATION_INFO = "Authentication-Info";
+
+	@BeforeClass
+	public static void cleanClusterAwareState() {
+		ClusterAwareConfiguration.ClusterAwareCondition.reset();
+	}
+
+	@LocalServerPort
+	@SuppressWarnings("unused")
+	private int httpServerPort;
+
+	@SuppressWarnings("unused")
+	@Resource(name = GemFireHttpSessionConfiguration.DEFAULT_SESSION_REGION_NAME)
+	private Region<Object, Object> sessionsRegion;
+
+	private String url;
+
+	@Before
+	public void assertSessionsRegionConfiguration() {
+
+		assertThat(this.sessionsRegion).isNotNull();
+		assertThat(this.sessionsRegion.getName()).isEqualTo("Sessions");
+		assertThat(this.sessionsRegion.getAttributes()).isNotNull();
+		assertThat(this.sessionsRegion.getAttributes().getDataPolicy()).isEqualTo(DataPolicy.NORMAL);
+		assertThat(this.sessionsRegion.getAttributes().getPoolName()).isNull();
+	}
+
+	@Before
+	public void configureWebApplicationUrl() {
+		this.url = String.format("http://localhost:%d/session/attribute", this.httpServerPort);
+	}
+
+	@Test
+	public void setAndGetSessionAttributeIsCorrect() {
+
+		RestTemplate restTemplate = new RestTemplate();
+
+		ResponseEntity<String> response =
+			restTemplate.getForEntity(url.concat("/setter?name=MyKey&value=TEST"), String.class);
+
+		assertThat(response.getBody()).isEqualTo("SUCCESS");
+
+		//System.err.printf("HTTP RESPONSE HEADERS [%s]%n", response.getHeaders());
+
+		String httpHeaderWithSessionId =
+			StringUtils.collectionToCommaDelimitedString(response.getHeaders().get(HTTP_HEADER_AUTHENTICATION_INFO));
+
+		assertThat(httpHeaderWithSessionId).contains(sessionId.get());
+		assertThat(this.sessionsRegion.keySet()).containsExactlyInAnyOrder(sessionId.get());
+
+		RequestEntity<Void> request = RequestEntity
+			.get(URI.create(url.concat("/getter?name=MyKey")))
+			.header(HTTP_HEADER_AUTHENTICATION_INFO, httpHeaderWithSessionId)
+			.build();
+
+		response = restTemplate.exchange(request, String.class);
+
+		assertThat(response.getBody()).isEqualTo("TEST");
+	}
+
+	@SpringBootApplication
+	@EnableClusterAware
+	static class TestConfiguration {
+
+		@Bean
+		HttpSessionIdResolver headerHttpSessionIdResolver() {
+			return HeaderHttpSessionIdResolver.authenticationInfo();
+		}
+	}
+
+	@RestController
+	@RequestMapping("/session")
+	static class TestWebApplication {
+
+		@GetMapping("/attribute/setter")
+		public String setSessionAttribute(HttpSession session,
+				@RequestParam("name") String name, @RequestParam("value") String value) {
+
+			assertThat(session).isNotNull();
+			assertThat(session.getClass().getPackage().getName()).startsWith("org.springframework.session");
+
+			//System.out.printf("SESSION.getId() is [%s] as TYPE [%s] and SESSION.setAttribute(%s, %s)%n",
+			//	session.getId(), session.getClass().getName(), name, value);
+
+			session.setAttribute(name, value);
+			sessionId.set(session.getId());
+
+			return "SUCCESS";
+		}
+
+		@GetMapping("/attribute/getter")
+		public String getSessionAttribute(HttpSession session, @RequestParam("name") String name) {
+
+			assertThat(session).isNotNull();
+			assertThat(session.getClass().getPackage().getName()).startsWith("org.springframework.session");
+			assertThat(session.getId()).isEqualTo(sessionId.get());
+
+			//System.out.printf("SESSION.getId() is [%s] as TYPE [%s] and SESSION.getAttribute(%s)%n",
+			//	session.getId(), session.getClass().getName(), name);
+
+			return String.valueOf(session.getAttribute(name));
+		}
+	}
+}

spring-geode-autoconfigure/src/test/resources/application-session-local.properties

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+#spring.session.data.gemfire.cache.client.region.shortcut=LOCAL