[NIFI-1376] Provide access to logged messages from TestRunner

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.4.1
• Fix Version/s: 0.5.0
• Assignee: Unassigned
• Reporter: Richard Miskin
• Created: 09/Jan/16 20:38
• Updated: 25/Jan/16 21:40
• Resolved: 25/Jan/16 21:32

Description

It would be useful to be able to verify the log messages raised by Processors and ControllerServices during tests.

As an example use case, imagine a processor with multiple possible errors that should cause a flow file to be transferred to a failure Relationship, but different messages should be logged.