Added unit test based on user forum issue

camel-core/src/test/java/org/apache/camel/processor/intercept/InterceptSendToEndpointMultipleRoutesTest.java

@@ -0,0 +1,90 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.camel.processor.intercept;
+
+import org.apache.camel.ContextTestSupport;
+import org.apache.camel.builder.RouteBuilder;
+
+/**
+ * Unit test for intercepting sending to endpoint with multiple routes
+ */
+public class InterceptSendToEndpointMultipleRoutesTest extends ContextTestSupport {
+
+    @Override
+    public boolean isUseRouteBuilder() {
+        return false;
+    }
+
+    public void testInterceptEndpoint() throws Exception {
+        // NOTE: each of these routes must extend our base route class
+
+        context.addRoutes(new MyBaseRoute() {
+            @Override
+            public void configure() throws Exception {
+                super.configure();
+
+                from("direct:a")
+                    .to("seda:a")
+                    .to("mock:result");
+            }
+        });
+        context.addRoutes(new MyBaseRoute() {
+            @Override
+            public void configure() throws Exception {
+                super.configure();
+
+                from("direct:b")
+                    .to("seda:b")
+                    .to("mock:result");
+            }
+        });
+        context.addRoutes(new MyBaseRoute() {
+            @Override
+            public void configure() throws Exception {
+                super.configure();
+
+                from("direct:c")
+                    .to("seda:c")
+                    .to("mock:c")
+                    .to("mock:result");
+            }
+        });
+
+        context.start();
+
+        getMockEndpoint("mock:result").expectedBodiesReceived("A", "B", "C");
+        getMockEndpoint("mock:detour").expectedBodiesReceived("A", "B", "C");
+        getMockEndpoint("mock:c").expectedBodiesReceived("C");
+
+        template.sendBody("direct:a", "A");
+        template.sendBody("direct:b", "B");
+        template.sendBody("direct:c", "C");
+
+        assertMockEndpointsSatisfied();
+    }
+
+    private abstract class MyBaseRoute extends RouteBuilder {
+        @Override
+        public void configure() throws Exception {
+            // base route with common interceptors
+
+            interceptSendToEndpoint("seda:*").skipSendToOriginalEndpoint()
+                .to("mock:detour");
+        }
+    }
+
+}