MUnit is a testing framework for Mulesoft that allows automated testing of mule integrations and APIs. It is well integrated with Anypoint Studio. MUnit allows testing message processors, mocking endpoints and processors, debugging tests, and viewing coverage reports. Tests are created by writing Mule or Java code. To set up MUnit, it must be installed in Anypoint Studio through the install wizard, then tests can be generated for flows by right clicking and selecting "Create new MUnit". Running the tests will display results including errors, coverage, and test status.

1. MUnitTesting With Mulesoft-Part I
JITENDRA BAFNA

2. MUnit Testing With Mulesoft
MUnit is a mule applicationtestingframework which allows you to build
automatedtests for your mule integrationsandAPI's. MUnit is very well
integratedwithAnypointStudio.
Various features availablewith Mule MUnit
• Create and buildMule tests by writingMule code.
• Create and buildMule tests by writingJava code.
• Verify Message Processor calls.
• Mock Message Processor.
• Mock outboundendpoints.
• Disableoutboundendpoints.
• Disableflow inboundconnectors.

3. MUnit Testing With Mulesoft
• Disable inbound endpoints.
• Debug the tests.
• View coverage reports.
• Various asserts available like Assert Equals,Assert Not Equals,Assert
Payload, Assert False, Assert True, Assert Null Payload, Assert Not Null
Payload.
• Spy Message Processor.

4. MUnit Testing With Mulesoft
First thing you want to make sure MUnit is installed in yourAnypoint
Studio. In case, if it is not installed then follow below steps.
Go to Help < Install New Software...

5. MUnit Testing With Mulesoft
Now, it will open new pop up windows and select MUnit Update Site from
drop down list. Check MUnit and MUnitTools for Mule.

6. MUnit Testing With Mulesoft
Now, it will open new popup windowsand select MUnitUpdateSite from drop
down list.Check MUnitand MUnitToolsfor Mule.
Finally, justclick Next and accept the license terms and conditions.ClickFinish
and it will installMUnit tools in yourAnypointstudio.

7. How to create the MUnit tests for Mule Flow?
For creating MUnit tests for your application, right click on the flow select
MUnit < Create new MUnit.

8. How to create the MUnit tests for Mule Flow?
It will create MUnit tests for the flow and it will be available in folder
src/test/unit.
In Assert Payload, you need to define Expected value and in this case it
will be payload. Also, provide Test failure message , in case if value
doesn't message expected value then it will provide failure message you
have defined.

9. Run MUnit Tests
For running the MUnit tests, right click in the canvas region of the MUnit
test flow and select Run MUnit suite.

10. Run MUnit Tests
After runningthe MUnit suite, it will be provide detailslike errors, failures if any,
coverage report and test status.
In aboveimage, green color means that your test case has been successfully
executed and passed.

11. ThankYou.