QUARKUS-1061.md

QUARKUS-1061 - Tech Preview support for MongoDB

JIRA link: https://issues.redhat.com/browse/QUARKUS-1061

Initial analysis: https://issues.redhat.com/browse/QUARKUS-1061?focusedCommentId=18933696&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-18933696

https://quarkus.io/guides/mongodb

https://quarkus.io/guides/mongodb-panache

MongoDB datasource using mongodb-client and mongodb-panache.

Scope of testing

Existing tests

Quarkus integration tests:

• mongodb-client
  • /vehicles endpoint is not tested.
  • Coverage should be added back as it was present in older commits but removed in quarkusio/quarkus#12902 (or at least we need to undestant why the test was removed, but not the classes relevant to the endpoint).
  • Native mode covered.
• mongodb-panache
  • Classic vs. reactive, transactions, various entities and repositories, native mode covered.
• mongodb-rest-data-panache
  • Various CRUD operations, json and hal+json output formats, native mode covered.

Quarkus Quickstarts:

• mongodb-panache-quickstart - covers related guide, nice starting point, includes tests for CRUD operations.
• mongodb-quickstart - covers related guide, reasonable starting point, not many changes in code, NO tests.

Automated test development

• mongodb-client integration tests - reintroduce removed test coverage if possible.
• mongodb-quickstart - add tests.
• Update MongoDB instances used in integration tests and Quickstarts to use the newest versions of the database.
• New test in QE TS to try MongoDB scenario on OpenShift.
• Check why https://github.com/quarkusio/quarkus/blob/main/integration-tests/mongodb-rest-data-panache/src/test/java/io/quarkus/it/mongodb/rest/data/panache/MongoTestResource.java is used instead of https://github.com/quarkusio/quarkus/blob/main/test-framework/mongodb/src/main/java/io/quarkus/test/mongodb/MongoTestResource.java in mongodb-rest-data-panache.

Impact on test suites and test environment

• One new scenario in QE TS, approximate time increase: 2 minutes JVM mode, 5 minutes native mode, 4 minutes OpenShift JVM, 8 minutes OpenShift native.