KAFKA-17587 Refactor test infrastructure (4.0) #18694
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This patch reorganizes our test infrastructure into three Gradle modules: ":test-common:test-common-internal-api" is now a minimal dependency which exposes interfaces and annotations only. It has one project dependency on server-common to expose commonly used data classes (MetadataVersion, Feature, etc). Since this pulls in server-common, this module is Java 17+. It cannot be used by ":clients" or other Java 11 modules. ":test-common:test-common-util" includes the auto-quarantined JUnit extension. The @flaky annotation has been moved here. Since this module has no project dependencies, we can add it to the Java 11 list so that ":clients" and others can utilize the @flaky annotation ":test-common:test-common-runtime" now includes all of the test infrastructure code (TestKitNodes, etc). This module carries heavy dependencies (core, etc) and so it should not normally be included as a compile-time dependency. In addition to this reorganization, this patch leverages JUnit SPI service discovery so that modules can utilize the integration test framework without depending on ":core". This will allow us to start moving integration tests out of core and into the appropriate sub-module. This is done by adding ":test-common:test-common-runtime" as a testRuntimeOnly dependency rather than as a testImplementation dependency. A trivial example was added to QuorumControllerTest to illustrate this. Reviewers: Ismael Juma <[email protected]>, Chia-Ping Tsai <[email protected]>
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@mumrah could you please share the reason about the failed scan push? |
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Backport of #18602 to 4.0