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{include:Testing Summary Include}

The *test* component extends the [Mock] component to support pulling messages from another endpoint on startup to set the expected message bodies on the underlying [Mock] endpoint. That is, you use the test endpoint in a route and messages arriving on it will be implicitly compared to some expected messages extracted from some other location.

So you can use, for example, an expected set of message bodies as files. This will then set up a properly configured [Mock] endpoint, which is only valid if the received messages match the number of expected messages and their message payloads are equal.

Maven users will need to add the following dependency to their {{pom.xml}} for this component when using *Camel 2.8* or older:
{code:xml}
<dependency>
    <groupId>org.apache.camel</groupId>
    <artifactId>camel-spring</artifactId>
    <version>x.x.x</version>
    <!-- use the same version as your Camel core version -->
</dependency>
{code}

h3. URI format

{code}
test:expectedMessagesEndpointUri
{code}

Where *expectedMessagesEndpointUri* refers to some other [Component] URI that the expected message bodies are pulled from before starting the test. 

h3. URI Options

{div:class=confluenceTableSmall}
|| Name || Default Value || Description ||
| {{timeout}} | {{2000}} | *Camel 2.12:* The timeout to use when polling for message bodies from the URI. |
{div}


h3. Example

For example, you could write a test case as follows:

{code}

from("seda:someEndpoint").
  .to("test:file://data/expectedOutput?noop=true");
{code}