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Contract testing. Getting started with Pact IO.
This document discusses contract testing using Pact and the Pact Broker tool. It provides an overview of consumer-driven contract testing, demonstrates setting up a sample consumer and provider project using Java and Maven, and shows how to generate and publish contracts to the Pact Broker. It also covers verifying contracts in the provider project, viewing results in the Pact Broker, and setting up CI/CD pipelines and webhooks for contract testing in Jenkins.
Contract testing. Getting started with Pact IO.
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- 2. Contract testing. Getting startedwith Pact IO.
- 3. A bit oftheory Contract testing Consumer Provider Pact is a code-first consumer-driven contract testing tool.
- 4. What is pactgood for?
- 5. What is pactnot good for?
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- 9. A bit ofpractice Consumer project https://github.com/drozdovkostya/demoPactConsumerProject Provider project https://github.com/drozdovkostya/demoPactProviderProject
- 10. Java Maven DockerCompose
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- 12. docker-compose.yml version: '3' services: postgres: image: postgres healthcheck: test:psql postgres --command "select 1" -U postgres ports: - "5432:5432" environment: POSTGRES_USER: postgres POSTGRES_PASSWORD: password POSTGRES_DB: postgres pact-broker: image: dius/pact-broker depends_on: - postgres environment: PACT_BROKER_DATABASE_USERNAME: postgres PACT_BROKER_DATABASE_PASSWORD: password PACT_BROKER_DATABASE_HOST: postgres PACT_BROKER_DATABASE_NAME: postgres PACT_BROKER_LOG_LEVEL: INFO ports: - "80:80" jenkins: image: jenkins/jenkins ports: - "8085:8080"
- 13. Pact Broker The PactBroker is an application for sharing for consumer driven contracts and verification results. https://docs.pact.io/pact_broker
- 14. Generate and publishcontract to pact broker Verify contract from pact broker in provider
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- 16. Verify provider test(Passed) Run tests in provider. Check results in pact broker.
- 17. Verify provider test(Failed) Change the contract to fail and run tests in provider. Check results in pact broker.
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- 21. How it looksin Blue Ocean Plugin
- 22. Version and tag. Tagfor consumer PUT request http://pact-broker/pacticipants/consumer/versions/${GIT_COMMIT}/tags/${tag} Tag for provider PUT request http://pact-broker/pacticipants/provider/versions/${GIT_COMMIT}/tags/${tag} mvn pact:publish -DpactBrokerUrl=http://localhost:80 -Drevision=$GIT_COMMIT mvn verify pact:publish -DpactBrokerUrl=http://pact-broker -Drevision=$GIT_COMMIT
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- 24. CI/CD Provider contract testfailed.
- 25. !? What about consumer?It seems that we can deploy any version of consumer...
- 26. Can I deploy CLI pact-brokercan-i-deploy --pacticipant Foo --version 24 --pacticipant Bar --version 56 GET request http://pact-broker/can-i-deploy?pacticipant=test_provider&version=latestVersion&pacticipant=tes t_consumer&version=$GIT_COMMIT&to=prd Using docker docker run --rm pactfoundation/pact-cli:latest broker can-i-deploy --broker-base-url pact-broker --pacticipant test_consumer --latest
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- 28. Can I deploy Statuses: Verificationbetween versions PASSED - "success": 1, Verification between versions FAILED - "failed": 1, There is no verified pact - "unknown": 1.
- 29. Can I deployand webhook
- 30. Pact broker webhook Events: 'contractcontent changed' 'contract published' 'provider verification published' 'provider verification succeeded' 'provider verification failed'
- 31. Pact broker webhook POSTrequest http://localhost/webhooks { "provider": { "name": "test_provider" }, "events": [{ "name": "contract_content_changed" }], "request": { "method": "GET", "url": "http://jenkins:8080/job/ProviderVerifyContract/build?token=trigger_provider_verify_contract", "username": "admin", "password": "admin" } }
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