Add samples for vanilla config client

config-retry/src/test/java/apps/ConfigServer.java

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+/*
+ * Copyright 2014-2015 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 apps;
+
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.builder.SpringApplicationBuilder;
+import org.springframework.cloud.config.server.EnableConfigServer;
+import org.springframework.context.ConfigurableApplicationContext;
+
+/**
+ * @author Dave Syer
+ *
+ */
+@SpringBootApplication
+@EnableConfigServer
+public class ConfigServer {
+
+	public static void main(String[] args) {
+		start(args);
+	}
+
+	public static ConfigurableApplicationContext start(String... args) {
+		return new SpringApplicationBuilder(ConfigServer.class)
+				.showBanner(false)
+				.profiles("native")
+				.properties("server.port=8888",
+						"spring.cloud.config.server.native.searchLocation:file:./src/test/resources/config/")
+				.run(args);
+	}
+
+}

config-retry/src/test/java/demo/StandaloneClientApplicationTests.java

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+package demo;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import java.lang.reflect.Method;
+import java.util.Map;
+import java.util.concurrent.Executors;
+
+import org.aopalliance.intercept.MethodInterceptor;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.aop.framework.Advised;
+import org.springframework.aop.support.AopUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.IntegrationTest;
+import org.springframework.boot.test.SpringApplicationConfiguration;
+import org.springframework.cloud.config.client.ConfigServicePropertySourceLocator;
+import org.springframework.context.ConfigurableApplicationContext;
+import org.springframework.retry.annotation.AnnotationAwareRetryOperationsInterceptor;
+import org.springframework.retry.backoff.ExponentialBackOffPolicy;
+import org.springframework.retry.interceptor.RetryOperationsInterceptor;
+import org.springframework.retry.support.RetryTemplate;
+import org.springframework.test.annotation.DirtiesContext;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.util.ReflectionTestUtils;
+
+import apps.ConfigServer;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringApplicationConfiguration(classes = StandaloneClientApplication.class)
+// Explicitly enable config client because test classpath has config server on it
+@IntegrationTest({ "spring.cloud.config.enabled=true",
+		"logging.level.org.springframework.retry=TRACE" })
+@DirtiesContext
+public class StandaloneClientApplicationTests {
+
+	@Autowired
+	private ConfigServicePropertySourceLocator locator;
+
+	private static ConfigurableApplicationContext context;
+
+	@BeforeClass
+	public static void delayConfigServer() {
+		Executors.newSingleThreadExecutor().execute(new Runnable() {
+			@Override
+			public void run() {
+				try {
+					Thread.sleep(2000L);
+				}
+				catch (InterruptedException e) {
+				}
+				context = ConfigServer.start();
+			}
+		});
+	}
+	
+	@AfterClass
+	public static void shutdown() {
+		if (context!=null) {
+			context.close();
+		}
+	}
+
+	@Test
+	public void contextLoads() throws Exception {
+		assertTrue("ConfigServicePropertySourceLocator is not a proxy (so no retry)",
+				AopUtils.isAopProxy(locator));
+		AnnotationAwareRetryOperationsInterceptor advice = (AnnotationAwareRetryOperationsInterceptor) ((Advised) locator)
+				.getAdvisors()[0].getAdvice();
+		@SuppressWarnings("unchecked")
+		Map<Method, MethodInterceptor> delegates = (Map<Method, MethodInterceptor>) ReflectionTestUtils
+				.getField(advice, "delegates");
+		RetryOperationsInterceptor interceptor = (RetryOperationsInterceptor) delegates
+				.values().iterator().next();
+		RetryTemplate retryTemplate = (RetryTemplate) ReflectionTestUtils.getField(
+				interceptor, "retryOperations");
+		ExponentialBackOffPolicy backoff = (ExponentialBackOffPolicy) ReflectionTestUtils
+				.getField(retryTemplate, "backOffPolicy");
+		assertEquals(3000, backoff.getInitialInterval());
+	}
+
+}