SPR-2581: Provide out of the box implementation of the thread scope

org.springframework.context/src/test/java/org/springframework/context/support/SimpleThreadScopeTest.java

@@ -0,0 +1,72 @@
+/*
+ * Copyright 2002-2009 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 org.springframework.context.support;
+
+import static org.junit.Assert.*;
+import org.junit.Before;
+import org.junit.Test;
+
+import org.springframework.beans.TestBean;
+import org.springframework.context.ApplicationContext;
+
+/**
+ * @author Arjen Poutsma
+ */
+public class SimpleThreadScopeTest {
+
+	private ApplicationContext applicationContext;
+
+	@Before
+	public void setUp() {
+		applicationContext = new ClassPathXmlApplicationContext("simpleThreadScopeTests.xml", getClass());
+	}
+
+	@Test
+	public void getFromScope() throws Exception {
+		String name = "threadScopedObject";
+		TestBean bean = (TestBean) this.applicationContext.getBean(name);
+		assertNotNull(bean);
+		assertSame(bean, this.applicationContext.getBean(name));
+		TestBean bean2 = (TestBean) this.applicationContext.getBean(name);
+		assertSame(bean, bean2);
+	}
+
+	@Test
+	public void getMultipleInstances() throws Exception {
+		final TestBean[] beans = new TestBean[2];
+		Thread thread1 = new Thread(new Runnable() {
+			public void run() {
+				beans[0] = applicationContext.getBean("threadScopedObject", TestBean.class);
+			}
+		});
+		Thread thread2 = new Thread(new Runnable() {
+			public void run() {
+				beans[1] = applicationContext.getBean("threadScopedObject", TestBean.class);
+			}
+		});
+		thread1.start();
+		thread2.start();
+
+		Thread.sleep(200);
+
+		assertNotNull(beans[0]);
+		assertNotNull(beans[1]);
+
+		assertNotSame(beans[0], beans[1]);
+	}
+
+}