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eric-demo-script.adoc

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This is the demo "script" that Eric uses on his machine using his IntelliJ Live Templates.

Pre-demo prep

Follow all steps in the Pre-demo prep in the demo-script.

Demo 1

Follow all the steps in The demo in the demo-script.

Demo 2

Weaver Service

  1. Open CarpetResourceTest

  2. Remove the mocked WookieService and the setUp method

  3. Place cursor above @QuarkusTest

    • Use the pactConsumerAnnotations live template to insert class annotations

  4. Place cursor before the testCarpetEndpointForBrownColor

    • Use the requestingFurContract live template to insert the contract

  5. Place cursor above @Test on the testCarpetEndpointForBrownColor method

    • Use the pactTestForRequestingFurContract live template to insert the @PactTestFor annotation

  6. Show tests pass

  7. Publish the contract (in the weaver terminal, run ./publish-contracts-to-broker.sh)

  8. Show the broker (https://wookie-carpets.pactflow.io)

Wookie Tamer Service

  1. Create test class FurResourceContractVerificationTests

  2. Highlight the entire class

    • Use the furResourceContractVerificationTests live template to insert the class body

    • May need to resolve some imports - use IntelliJ CMD+1 for quick fix help on each import

  3. Tests should be red. Go to broker (https://wookie-carpets.pactflow.io) and show tests red

  4. Open Skein record, highlight color in record constructor

    • SHIFT+F6 to refactor/rename to colour

  5. Tests should be green. Return to broker & see green there too

Demo 3

Weaver Service

  1. Write the contract when I ask for pink I get 404. Test should fail.

    • In CarpetResourceTest:

      • Use requestingPinkFurContract live template to insert the contract

      • Use testCarpetEndpointForPinkCarpet live template to insert the test

  2. Fix weaver to handle 404. Test is green when done.

    • In CarpetResource, add try/catch

    catch (WebApplicationException ex) {
      throw new NotFoundException(order.colour());
    }

  1. Publish contract (in the weaver terminal, run ./publish-contracts-to-broker.sh 2.0)

  2. Go to broker (https://wookie-carpets.pactflow.io) and show updated contract

Wookie Tamer Service

  1. CMD-S to trigger continuous testing to find contract. Tests should be red. Show broker.

  2. Fix wookie tamer to return null which will send a 204

    • Open FurResource & change wookieColor = WookieColor.BROWN; to return null;

  3. Congratulate on a job well-done, except…​why are those tests red?! I’m doing error handling. Show broker.

  4. Debate about 204 vs 404 & which is better option. Making 404 is more code, 204 should be fine. Let’s just adjust mock to match reality.

Back to Weaver Service

  1. In CarpetResourceTest, change .status(Status.NOT_FOUND.getStatusCode()) to .status(Status.NO_CONTENT.getStatusCode())

  2. Publish contract (in the weaver terminal, run ./publish-contracts-to-broker.sh 3.0)

  3. Ok, my mock now matches reality, but now both weaver & tamer tests are red? WTH?!?!

    • Changing expectation to match reality doesn’t get things green because apparently weaver doesn’t properly handle 204.

    • Need to have a conversation about 204/404 between us