Quarkus, Gradle, WireMock. Dev Services for Gradle projects

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Oleg Nenashev @oleg_nenashev

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> whoami @oleg_nenashev oleg-nenashev Dr. Nenashev / Mr. Jenkins Developer tools hacker Community builder FOSS/DevRel consultant #RussiansAgainstPutin #StandWithUkraine

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Async Q&A: Gradle Community Slack speakerdeck.com/onenashev

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Hello from Barcelona!

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6 rts.ch/info/regions/neuchatel/12836885-la-population-neuchateloise-en-hausse-malgre-un-recul-dans-les-montagnes.html

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My Open [and not so] Communities Time * Once a contributor, [almost] always a contributor Neuchâtel

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8 Developer Productivity Engineering (DPE)

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9 gradle.com/developer-productivity-engineering Developer Productivity Engineering (DPE)

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> whoami --quarkus ● Jenkins on Quarkus experiments ● Jenkinsfile Runner native exec with Quarkus ● FaaScinator pet project 10

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wiremock.org wiremock.org

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> whoami --quarkus ● Jenkins on Quarkus experiments ● Jenkinsfile Runner native exec with Quarkus ● FaaScinator pet project ● WireMock Dev Service ● Now: Quarkus and Gradle 12

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speakerdeck.com/onenashev/developing-apps-with-quarkus-and-wiremock Presented at customer/ community meetings Soon: JCON, JUG.ch

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Quarkus is great for building REST APIs 14 ● Built-in support ● Many extensions ● Developer experience code.quarkus.io

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APIs

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16 Source: https://medium.com/10-minutes-qa-story/api-testing-from-scratch-api-anatomy-f220856ce9b3

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Ways to do API integration testing 1. Testing against Production/Staging servers 2. Testing against a simplified/containerized instance (e.g. Testcontainers) 3. Modeling (aka Mocking) at the API provider level (e.g. WireMock or Microcks) 4. Mocking at the code level 21 Slow Fast Nope Accu- rate * For Testcontainers, see the slides

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22 wiremock.org/docs/stubbing IF (request_url) THEN (response) * * it gets MUCH more complex WireMock Config JSON: Client library response request Client App Mock API Server HTTP/2 API Mocking 101

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API Mocking for Quarkus 23 Main implementation in Java Native lib, Docker images and Testcontainers modules Support for GraalVM Unofficial Quarkus Dev Service Sandbox CNCF Project Golang / Microservice arch Docker image, Testcontainers module Unofficial Quarkus Dev Service

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24 Staging & QA Tests Build Integration tests Build Tests Gaining confidence in you software “Shift Left”

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WireMock Ecosystem & Features 25 wiremock.org/docs

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WireMock Ecosystem & Features 26 wiremock.org/docs

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28 docs.quarkiverse.io/quarkus-wiremock/dev/index.html

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29 docs.quarkiverse.io/qu arkus-wiremock/dev/in dex.html#extension-co nfiguration-reference

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Code-only Mode 30 docs.quarkiverse.io/quarkus-wiremock/dev/index.html

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31 github.com/oleg-nenashev/ gradle-quarkus-plugin-demo github.com/wiremock/ wiremock-quarkus-devservice-demo

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quarkus.io/guides/gradle-tooling

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Quarkus Plugin for Gradle 33 ● Under active development ● Collaboration between Red Hat and Gradle teams ● Basic Quarkus features are supported ● Dev mode: ./gradlew quarkusDev ● Or just “quarkus dev”! quarkus.io/guides/gradle-tooling

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Quarkus Plugin for Gradle 34 Quarkus BOM Core and Extensions Test Bits

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github.com/oleg-nenashev/gradle-quarkus-plugin-demo

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Resource Deﬁnition 37

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@QuarkusTest or @QuarkusIntegrationTest 38

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And a Quarkus Dev Service! docs.quarkiverse.io/quarkus-wiremock/dev/index.html 39

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+ 41 ● WiP: Develocity Pilot in Quarkus ● For many open source projects: Gradle sponsors Develocity licenses/hosting, helps with build optimization and developer productivity ● Maven, Bazel and sbt projects welcome gradle/develocity-oss-projects

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What I’m looking forward to? ● Feedback on Gradle Plugin for Quarkus ● Promoting WireMock and Microcks Dev Services as official ones ● Quarkus, Gradle and Develocity developer experiences ● Any other feedback on Gradle :) 42

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References My demo: ● Gradle: https://github.com/oleg-nenashev/gradle-quarkus-plugin-demo ● Similar one in Maven: WireMock extension for Quarkus: ● https://docs.quarkiverse.io/quarkus-wiremock ● https://github.com/gscaramuzzino/quarkus-wiremock-testing ● https://quarkus.io/guides/getting-started-testing#quarkus-test-resource 43

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GitHub: oleg-nenashev Twitter: @oleg_nenashev QUESTIONS? Gradle Community Slack, #developer-productivity-engineering Quarkus on Zulip, https://quarkusio.zulipchat.com