Added MethodInvokingSource.

spring-integration-core/src/test/java/org/springframework/integration/adapter/MethodInvokingSourceTests.java

@@ -0,0 +1,59 @@
+/*
+ * Copyright 2002-2007 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.integration.adapter;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+import java.util.Collection;
+
+import org.junit.Test;
+
+import org.springframework.integration.MessageDeliveryException;
+
+/**
+ * @author Mark Fisher
+ */
+public class MethodInvokingSourceTests {
+
+	@Test
+	public void testSingleObjectResult() {
+		MethodInvokingSource<TestBean> source = new MethodInvokingSource<TestBean>();
+		source.setObject(new TestBean());
+		source.setMethod("foo");
+		Collection<Object> result = source.poll(5);
+		assertNotNull(result);
+		assertEquals("bar", result.iterator().next());
+	}
+
+	@Test(expected=MessageDeliveryException.class)
+	public void testInvalidMethod() {
+		MethodInvokingSource<TestBean> source = new MethodInvokingSource<TestBean>();
+		source.setObject(new TestBean());
+		source.setMethod("boo");
+		source.poll(5);
+	}
+
+
+	private static class TestBean {
+
+		public String foo() {
+			return "bar";
+		}
+	}
+
+}