/**
* 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;
import org.apache.camel.ContextTestSupport;
import org.apache.camel.Endpoint;
import org.apache.camel.Exchange;
import org.apache.camel.Message;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.processor.idempotent.MemoryIdempotentRepository;
import org.apache.camel.spi.IdempotentRepository;
/**
* @version
*/
public class IdempotentConsumerTest extends ContextTestSupport {
protected Endpoint startEndpoint;
protected MockEndpoint resultEndpoint;
@Override
public boolean isUseRouteBuilder() {
return false;
}
public void testDuplicateMessagesAreFilteredOut() throws Exception {
context.addRoutes(new RouteBuilder() {
@Override
public void configure() throws Exception {
from("direct:start").idempotentConsumer(
header("messageId"), MemoryIdempotentRepository.memoryIdempotentRepository(200)
).to("mock:result");
}
});
context.start();
resultEndpoint.expectedBodiesReceived("one", "two", "three");
sendMessage("1", "one");
sendMessage("2", "two");
sendMessage("1", "one");
sendMessage("2", "two");
sendMessage("1", "one");
sendMessage("3", "three");
assertMockEndpointsSatisfied();
}
public void testNotSkiDuplicate() throws Exception {
context.addRoutes(new RouteBuilder() {
@Override
public void configure() throws Exception {
IdempotentRepository repo = MemoryIdempotentRepository.memoryIdempotentRepository(200);
from("direct:start")
.idempotentConsumer(header("messageId")).messageIdRepository(repo).skipDuplicate(false)
.to("mock:result");
}
});
context.start();
resultEndpoint.expectedBodiesReceived("one", "two", "one", "two", "one", "three");
resultEndpoint.message(0).property(Exchange.DUPLICATE_MESSAGE).isNull();
resultEndpoint.message(1).property(Exchange.DUPLICATE_MESSAGE).isNull();
resultEndpoint.message(2).property(Exchange.DUPLICATE_MESSAGE).isEqualTo(Boolean.TRUE);
resultEndpoint.message(3).property(Exchange.DUPLICATE_MESSAGE).isEqualTo(Boolean.TRUE);
resultEndpoint.message(4).property(Exchange.DUPLICATE_MESSAGE).isEqualTo(Boolean.TRUE);
resultEndpoint.message(5).property(Exchange.DUPLICATE_MESSAGE).isNull();
sendMessage("1", "one");
sendMessage("2", "two");
sendMessage("1", "one");
sendMessage("2", "two");
sendMessage("1", "one");
sendMessage("3", "three");
assertMockEndpointsSatisfied();
}
public void testNotSkiDuplicateWithFilter() throws Exception {
context.addRoutes(new RouteBuilder() {
@Override
public void configure() throws Exception {
IdempotentRepository repo = MemoryIdempotentRepository.memoryIdempotentRepository(200);
// START SNIPPET: e1
from("direct:start")
// instruct idempotent consumer to not skip duplicates as we will filter then our self
.idempotentConsumer(header("messageId")).messageIdRepository(repo).skipDuplicate(false)
.filter(property(Exchange.DUPLICATE_MESSAGE).isEqualTo(true))
// filter out duplicate messages by sending them to someplace else and then stop
.to("mock:duplicate")
.stop()
.end()
// and here we process only new messages (no duplicates)
.to("mock:result");
// END SNIPPET: e1
}
});
context.start();
resultEndpoint.expectedBodiesReceived("one", "two", "three");
getMockEndpoint("mock:duplicate").expectedBodiesReceived("one", "two", "one");
getMockEndpoint("mock:duplicate").allMessages().property(Exchange.DUPLICATE_MESSAGE).isEqualTo(Boolean.TRUE);
sendMessage("1", "one");
sendMessage("2", "two");
sendMessage("1", "one");
sendMessage("2", "two");
sendMessage("1", "one");
sendMessage("3", "three");
assertMockEndpointsSatisfied();
}
public void testFailedExchangesNotAddedDeadLetterChannel() throws Exception {
context.addRoutes(new RouteBuilder() {
@Override
public void configure() throws Exception {
errorHandler(deadLetterChannel("mock:error").maximumRedeliveries(2).redeliveryDelay(0).logStackTrace(false));
from("direct:start").idempotentConsumer(
header("messageId"), MemoryIdempotentRepository.memoryIdempotentRepository(200)
).process(new Processor() {
public void process(Exchange exchange) throws Exception {
String id = exchange.getIn().getHeader("messageId", String.class);
if (id.equals("2")) {
throw new IllegalArgumentException("Damm I cannot handle id 2");
}
}
}).to("mock:result");
}
});
context.start();
// we send in 2 messages with id 2 that fails
getMockEndpoint("mock:error").expectedMessageCount(2);
resultEndpoint.expectedBodiesReceived("one", "three");
sendMessage("1", "one");
sendMessage("2", "two");
sendMessage("1", "one");
sendMessage("2", "two");
sendMessage("1", "one");
sendMessage("3", "three");
assertMockEndpointsSatisfied();
}
public void testFailedExchangesNotAddedDeadLetterChannelNotHandled() throws Exception {
context.addRoutes(new RouteBuilder() {
@Override
public void configure() throws Exception {
errorHandler(deadLetterChannel("mock:error").maximumRedeliveries(2).redeliveryDelay(0).logStackTrace(false));
from("direct:start").idempotentConsumer(
header("messageId"), MemoryIdempotentRepository.memoryIdempotentRepository(200)
).process(new Processor() {
public void process(Exchange exchange) throws Exception {
String id = exchange.getIn().getHeader("messageId", String.class);
if (id.equals("2")) {
throw new IllegalArgumentException("Damm I cannot handle id 2");
}
}
}).to("mock:result");
}
});
context.start();
// we send in 2 messages with id 2 that fails
getMockEndpoint("mock:error").expectedMessageCount(2);
resultEndpoint.expectedBodiesReceived("one", "three");
sendMessage("1", "one");
sendMessage("2", "two");
sendMessage("1", "one");
sendMessage("2", "two");
sendMessage("1", "one");
sendMessage("3", "three");
assertMockEndpointsSatisfied();
}
public void testFailedExchangesNotAdded() throws Exception {
context.addRoutes(new RouteBuilder() {
@Override
public void configure() throws Exception {
// use default error handler
errorHandler(defaultErrorHandler());
from("direct:start").idempotentConsumer(
header("messageId"), MemoryIdempotentRepository.memoryIdempotentRepository(200)
).process(new Processor() {
public void process(Exchange exchange) throws Exception {
String id = exchange.getIn().getHeader("messageId", String.class);
if (id.equals("2")) {
throw new IllegalArgumentException("Damm I cannot handle id 2");
}
}
}).to("mock:result");
}
});
context.start();
resultEndpoint.expectedBodiesReceived("one", "three");
sendMessage("1", "one");
sendMessage("2", "two");
sendMessage("1", "one");
sendMessage("2", "two");
sendMessage("1", "one");
sendMessage("3", "three");
assertMockEndpointsSatisfied();
}
protected void sendMessage(final Object messageId, final Object body) {
template.send(startEndpoint, new Processor() {
public void process(Exchange exchange) {
// now lets fire in a message
Message in = exchange.getIn();
in.setBody(body);
in.setHeader("messageId", messageId);
}
});
}
@Override
protected void setUp() throws Exception {
super.setUp();
startEndpoint = resolveMandatoryEndpoint("direct:start");
resultEndpoint = getMockEndpoint("mock:result");
}
}