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Assert That Event Processor

The Assert That event processor allows you to run assertions to validate the state of a Mule event’s content. You can use the Assert That processor to validate the Mule event after the production code runs.

The Assert That processor uses a set of DataWeave functions called MUnit matchers to define the assertion conditions for any value in an expression.

For example, to assert that a payload is equal to a certain value, configure the Assert That processor using the equalTo() matcher.

  message="The payload should be ‘example’"/>

Or you can also check if the payload is null using the nullValue() matcher.

  message="The payload should be null"/>

See MUnit Matchers for more information.

If these assertion fails, the processor throws a java.lang.AssertionError.

See Also

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