You create emulations to simulate the message data that your SOA composite application receives from web service partners.

In the test code in the following example, the loan request is initiated with an error. A fault message is received in return from a web service partner:

<?xml version="1.0" encoding="UTF-8" ?>
<!-- Generated by Oracle SCA Test Modeler version 1.0 at [7/3/07 3:29 PM]. -->
<compositeTest compositeDN="CompositeTest"
 xmlns="http://xmlns.oracle.com/sca/2006/test">
  <about></about>
  <initiate serviceName="client" operation="initiate" isAsync="true">
    <message>
      <part partName="payload">
        <filePath>loanApplication.xml</filePath>
      </part>
    </message>
  </initiate>
  <wireActions wireSource="LoanBroker/CreditRatingService" operation="process">
    <emulate duration="PT0S">
      <fault faultName="ser:NegativeCredit" xmlns:ser="http://services.otn.com">
        <message>
          <part partName="payload">
            <filePath>creditRatingFault.xml</filePath>
          </part>
        </message>
      </fault>
    </emulate>
  </wireActions>
</compositeTest>

Two message files, loanApplication.xml and creditRatingFault.xml, are invoked in this emulation. If the loan application request in loanApplication.xml contains a social security number beginning with 0, the creditRatingFault.xml file returns the fault message shown in the following example:

<error xmlns="http://services.otn.com">
  Invalid SSN, SSN cannot start with digit '0'.
</error>

For more information, see Editing the Contents of Test Cases in Test Mode in the SOA Composite Editor.