Demo on the latest new features Munit Test Recorder & Mule 4 Migration Assistant

1. [1st Aug 2020]
[Munit Test Recorder & Mule 4 Migration Assistant]
[Hyderabad - India]

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Agenda
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➢ Community Introduction
➢ Introduction to MUnit
➢Evolution of MUnit’s within Mule 4.1 to 4.3 versions
➢ Munit Test Recorder
➢Demo
➢ MMA ( Mule Migration Assistant )
➢Demo on Converting Mule 3 app to Mule 4
➢Q & A session
➢Quiz
➢Networking time

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Introductions
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• About the organisers:
A SHOW OF HANDS:
Who is new to this MeetUp?

4. [Introduction to MUnit]

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MUnit
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• MUnit is a testing framework which helps us to build automated Tests
for our API’s.
• MUnit's helps us to cross check whether our flows are running as
expected!
• Both Success as well as Failure scenario.
• We can Mock / Spy / Verify processor Calls.
• Generate Coverage Reports
• Ignore or enable Test cases

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Evolution of MUnit’s within Mule 4.1 to 4.3
versions
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• 4.1.x version :
•

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Evolution of MUnit’s within Mule 4.1 to 4.3
versions
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• 4.2.x version :

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Evolution of MUnit’s within Mule 4.1 to 4.3
versions
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• 4.3.x version :

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Munit Test Recorder
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• This feature is available only for:
• Anypoint studio 7.5+
• MUnit - 2.2.5
• MUnit Anypoint Studio Plugin - 2.5.0
• Mule runtime engine - 4.3.0
• The test recorder enables you to record a processing flow and then configure a unit
test based on the captured event.
• The test recorder captures real data as it goes through your application in Anypoint
Studio.
• By capturing the flow execution, MUnit can automatically generate an MUnit test so
that you can configure the necessary mocks and assertions for your test

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Munit Test Recorder - Limitations
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• You cannot create tests for flows with Mule errors raised inside the
flow, even if they are handled by an on error continue error
handler.
• Mocking values resulting from parallel processes causes a mixture of
real and mocked data that compromises the execution of the
processors that follow in your test.
• The recorder does not support mocking a message before or inside a
Foreach processor.
• For more info : https://docs.mulesoft.com/munit/2.2/test-recorder

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Munit Test Recorder - Things to Note
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• For each test case, we need to run Test recorder every time.
• Though Errors are not recorder, we can Still recreate Error Scenarios
(Let’s see in Demo)
• Tip to use this in 4.2 and earlier versions
• For Demo :
• Using a Database which fetches records
• Scenario 1 : Mocking Processor
• Scenario 2 : Spy Processor
• Scenario 3 : Failure Scenario (re-creating)

12. [Test Recorder - LIVE DEMO]

13. [MMA - Mule Migration Assistant]

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MMA -Mule Migration Assistant
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• The Mule Migration Assistant is a command-line assistant that assists
in the migration process by converting select components of a Mule 3
app to a Mule 4 app.
• This assistant will not complete 100% migration
• Adjustment will be required and a migration report is provided after
the assistant is run.
• When the assistant finds something it cannot migrate, it will be
marked as an error and point the developer to documentation on
how to move forward.

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MMA -Mule Migration Assistant
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• The connectors which cannot be converted will be shown in form of
"Compatibility Module"
• "Compatibility Module" is a connector that shows in the Mule 4
app.
• Compatibility module provides a set of components that either
adapts Mule 3 components into the Mule 4 architecture or in some
cases, enables some Mule 3 components to work in Mule 4.

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MMA -Mule Migration Assistant
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• Tool is totally Open Source
• Java must be installed on your system to perform Migration
• Find Full Documentation on:
https://github.com/mulesoft/mule-migration-assistant
• java -jar mule-migration-assistant-runner-1.0.0.jar -muleVersion 4.3.0 -projectBasePath /
Users/sravanyadav/Downloads/mule-3-database-app -destinationProjectBasePath /Users/
sravanyadav/Downloads/mule-4-database-app
• This demo is a basic Migration . Try something more to understand how MMA works and come up
with feedback.
• Most importantly you have to have knowledge on both Mule 3 and 4 versions if you are using
MMA

17. [MMA - LIVE DEMO]

18. Q & A

19. QUIZ time

20. Announce - QUIZ Winners!

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Take a stand !
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• Nominate yourself for
the meetup speaker and
suggest a topic as well.

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What’s next
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• Share:
– Tweet/share in LinkedIn , facebook, Instagram with your pictures with the hashtag
#HyderabadMuleMeetup #MuleSoftMeetup
– Invite your network to join: https://meetups.mulesoft.com/hyderabad/
• Feedback:
– Please provide the feedback when you receive link
– Your Feedback is Food for us.
– Contact MuleSoft at meetup@mulesoft.com for ways to improve the program
– Follow us on Twitter Page https://twitter.com/MuleMeetupHyd
• Our next meetup:
– Date: TBD
– Location: Hyderabad- Virtual
– Topic: TBD

23. THANK YOU