/**
* 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.impl;
import java.util.HashMap;
import java.util.Map;
import org.apache.camel.ContextTestSupport;
import org.apache.camel.Endpoint;
import org.apache.camel.Exchange;
import org.apache.camel.ExchangePattern;
import org.apache.camel.Processor;
import org.apache.camel.ProducerTemplate;
import org.apache.camel.RuntimeCamelException;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
/**
* Unit test for DefaultProducerTemplate
*/
public class DefaultProducerTemplateTest extends ContextTestSupport {
public void testIn() throws Exception {
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectedBodiesReceived("Bye World");
Object result = template.requestBody("direct:in", "Hello World");
assertMockEndpointsSatisfied();
assertEquals("Bye World", result);
}
public void testInOut() throws Exception {
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectedBodiesReceived("Bye Bye World");
Object result = template.requestBody("direct:out", "Hello World");
assertMockEndpointsSatisfied();
assertEquals("Bye Bye World", result);
}
public void testFault() throws Exception {
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectedMessageCount(0);
Object result = template.requestBody("direct:fault", "Hello World");
assertMockEndpointsSatisfied();
assertEquals("Faulty World", result);
}
public void testExceptionUsingBody() throws Exception {
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectedMessageCount(0);
try {
template.sendBody("direct:exception", "Hello World");
fail("Should have thrown RuntimeCamelException");
} catch (RuntimeCamelException e) {
assertTrue(e.getCause() instanceof IllegalArgumentException);
assertEquals("Forced exception by unit test", e.getCause().getMessage());
}
assertMockEndpointsSatisfied();
}
public void testExceptionUsingProcessor() throws Exception {
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectedMessageCount(0);
Exchange out = template.send("direct:exception", new Processor() {
public void process(Exchange exchange) throws Exception {
exchange.getIn().setBody("Hello World");
}
});
assertTrue(out.isFailed());
assertEquals("Forced exception by unit test", out.getException().getMessage());
assertMockEndpointsSatisfied();
}
public void testExceptionUsingExchange() throws Exception {
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectedMessageCount(0);
Exchange exchange = context.getEndpoint("direct:exception").createExchange();
exchange.getIn().setBody("Hello World");
Exchange out = template.send("direct:exception", exchange);
assertTrue(out.isFailed());
assertEquals("Forced exception by unit test", out.getException().getMessage());
assertMockEndpointsSatisfied();
}
public void testRequestExceptionUsingBody() throws Exception {
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectedMessageCount(0);
try {
template.requestBody("direct:exception", "Hello World");
fail("Should have thrown RuntimeCamelException");
} catch (RuntimeCamelException e) {
assertTrue(e.getCause() instanceof IllegalArgumentException);
assertEquals("Forced exception by unit test", e.getCause().getMessage());
}
assertMockEndpointsSatisfied();
}
public void testRequestExceptionUsingProcessor() throws Exception {
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectedMessageCount(0);
Exchange out = template.request("direct:exception", new Processor() {
public void process(Exchange exchange) throws Exception {
exchange.getIn().setBody("Hello World");
}
});
assertTrue(out.isFailed());
assertEquals("Forced exception by unit test", out.getException().getMessage());
assertMockEndpointsSatisfied();
}
public void testRequestExceptionUsingExchange() throws Exception {
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectedMessageCount(0);
Exchange exchange = context.getEndpoint("direct:exception").createExchange(ExchangePattern.InOut);
exchange.getIn().setBody("Hello World");
Exchange out = template.send("direct:exception", exchange);
assertTrue(out.isFailed());
assertEquals("Forced exception by unit test", out.getException().getMessage());
assertMockEndpointsSatisfied();
}
public void testRequestBody() throws Exception {
// with endpoint as string uri
Integer out = template.requestBody("direct:inout", "Hello", Integer.class);
assertEquals(new Integer(123), out);
out = template.requestBodyAndHeader("direct:inout", "Hello", "foo", "bar", Integer.class);
assertEquals(new Integer(123), out);
Map<String, Object> headers = new HashMap<String, Object>();
out = template.requestBodyAndHeaders("direct:inout", "Hello", headers, Integer.class);
assertEquals(new Integer(123), out);
// with endpoint object
Endpoint endpoint = context.getEndpoint("direct:inout");
out = template.requestBody(endpoint, "Hello", Integer.class);
assertEquals(new Integer(123), out);
out = template.requestBodyAndHeader(endpoint, "Hello", "foo", "bar", Integer.class);
assertEquals(new Integer(123), out);
headers = new HashMap<String, Object>();
out = template.requestBodyAndHeaders(endpoint, "Hello", headers, Integer.class);
assertEquals(new Integer(123), out);
}
public void testRequestUsingDefaultEndpoint() throws Exception {
ProducerTemplate producer = new DefaultProducerTemplate(context, context.getEndpoint("direct:out"));
producer.start();
Object out = producer.requestBody("Hello");
assertEquals("Bye Bye World", out);
out = producer.requestBodyAndHeader("Hello", "foo", 123);
assertEquals("Bye Bye World", out);
Map<String, Object> headers = new HashMap<String, Object>();
out = producer.requestBodyAndHeaders("Hello", headers);
assertEquals("Bye Bye World", out);
producer.stop();
}
public void testSendUsingDefaultEndpoint() throws Exception {
ProducerTemplate producer = new DefaultProducerTemplate(context, context.getEndpoint("direct:in"));
producer.start();
getMockEndpoint("mock:result").expectedMessageCount(3);
producer.sendBody("Hello");
producer.sendBodyAndHeader("Hello", "foo", 123);
Map<String, Object> headers = new HashMap<String, Object>();
producer.sendBodyAndHeaders("Hello", headers);
assertMockEndpointsSatisfied();
producer.stop();
}
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
return new RouteBuilder() {
public void configure() throws Exception {
// for faster unit test
errorHandler(noErrorHandler());
from("direct:in").process(new Processor() {
public void process(Exchange exchange) throws Exception {
exchange.getIn().setBody("Bye World");
}
}).to("mock:result");
from("direct:out").process(new Processor() {
public void process(Exchange exchange) throws Exception {
exchange.getOut().setBody("Bye Bye World");
}
}).to("mock:result");
from("direct:fault").process(new Processor() {
public void process(Exchange exchange) throws Exception {
exchange.getOut().setFault(true);
exchange.getOut().setBody("Faulty World");
}
}).to("mock:result");
from("direct:exception").process(new Processor() {
public void process(Exchange exchange) throws Exception {
throw new IllegalArgumentException("Forced exception by unit test");
}
}).to("mock:result");
from("direct:inout").transform(constant(123));
}
};
}
public void testCacheProducers() throws Exception {
ProducerTemplate template = new DefaultProducerTemplate(context);
template.setMaximumCacheSize(500);
template.start();
assertEquals("Size should be 0", 0, template.getCurrentCacheSize());
// test that we cache at most 500 producers to avoid it eating to much memory
for (int i = 0; i < 503; i++) {
Endpoint e = context.getEndpoint("seda:queue:" + i);
template.sendBody(e, "Hello");
}
assertEquals("Size should be 500", 500, template.getCurrentCacheSize());
template.stop();
// should be 0
assertEquals("Size should be 0", 0, template.getCurrentCacheSize());
}
public void testCacheProducersFromContext() throws Exception {
ProducerTemplate template = context.createProducerTemplate(500);
assertEquals("Size should be 0", 0, template.getCurrentCacheSize());
// test that we cache at most 500 producers to avoid it eating to much memory
for (int i = 0; i < 503; i++) {
Endpoint e = context.getEndpoint("seda:queue:" + i);
template.sendBody(e, "Hello");
}
assertEquals("Size should be 500", 500, template.getCurrentCacheSize());
template.stop();
// should be 0
assertEquals("Size should be 0", 0, template.getCurrentCacheSize());
}
}