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test: Use forked process for surefire tests #39540

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@nidhi-nair nidhi-nair commented Mar 4, 2025

Description

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Summary by CodeRabbit

  • Chores
    • Enhanced the test execution environment so that tests now run in isolated processes. This update improves consistency and accuracy in test results, contributing to a more robust development and testing experience without affecting end-user functionality.

@nidhi-nair nidhi-nair requested a review from sharat87 as a code owner March 4, 2025 06:59
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coderabbitai bot commented Mar 4, 2025

Walkthrough

The pull request updates the Maven Surefire Plugin configuration in the app/server/pom.xml file. Two configuration parameters have been added: <forkCount> set to 4 (assigning a dedicated JVM per test class) and <reuseForks> set to false (ensuring that JVM processes are not reused between tests). These changes alter how tests are executed within the build process.

Changes

File Changes Made
app/server/pom.xml Added <forkCount>4</forkCount> and <reuseForks>false</reuseForks> to the Maven Surefire Plugin configuration.

Sequence Diagram(s)

sequenceDiagram
  participant Maven as Maven Build
  participant Plugin as Surefire Plugin
  participant JVM as JVM Instance

  Maven->>Plugin: Parse pom.xml with new configurations
  Plugin->>JVM: Launch 4 separate JVMs (forkCount=4)
  JVM->>Plugin: Execute test and terminate (reuseForks=false)
  Plugin->>Maven: Return test results
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Suggested reviewers

  • sharat87
  • ApekshaBhosale
  • yatinappsmith

Poem

In code's realm a change is cast,
Four JVMs emerge, built to last.
Each test runs fresh, without a trace,
No recycled forks to share the space.
A spirited leap in our testing art,
Code sings anew—a work of heart!


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Reviewing files that changed from the base of the PR and between 2a5a654 and 4aac751.

📒 Files selected for processing (1)
  • app/server/pom.xml (1 hunks)
⏰ Context from checks skipped due to timeout of 90000ms (1)
  • GitHub Check: server-unit-tests / server-unit-tests
🔇 Additional comments (1)
app/server/pom.xml (1)

109-110: Fork Process Configuration Added.
The addition of <forkCount>4</forkCount> ensures that each test class is executed in its own JVM for improved isolation, and <reuseForks>false</reuseForks> guarantees that no JVM instance is reused, minimizing state carryover between tests. This change aligns well with the PR objective of using forked processes for surefire tests. Please verify that your CI/CD environment has sufficient resources to handle 4 concurrent JVMs.


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@github-actions github-actions bot added skip-changelog Adding this label to a PR prevents it from being listed in the changelog Test labels Mar 4, 2025
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Actionable comments posted: 0

🧹 Nitpick comments (1)
app/server/pom.xml (1)

109-110: Optimize Test Isolation with Forked JVMs
The introduction of <forkCount>4</forkCount> and <reuseForks>false</reuseForks> clearly meets the PR objective by isolating each test class in its own JVM. This ensures a clean test environment, reducing the risk of side effects between tests. However, please verify that using a fixed fork count of 4 is suitable for all CI environments—if resource availability is variable, a dynamic setting (like 1C for one fork per available core) might be worth considering.

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Review profile: CHILL
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📥 Commits

Reviewing files that changed from the base of the PR and between 2a5a654 and 4aac751.

📒 Files selected for processing (1)
  • app/server/pom.xml (1 hunks)
⏰ Context from checks skipped due to timeout of 90000ms (1)
  • GitHub Check: server-unit-tests / server-unit-tests

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github-actions bot commented Mar 4, 2025

Failed server tests

  • com.appsmith.server.controllers.WorkspaceControllerTest#getWorkspaceNoName
  • com.appsmith.server.git.CommonGitServiceCETest#commitAndPushApplication_cancelledMidway_pushSuccess

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This PR has not seen activitiy for a while. It will be closed in 7 days unless further activity is detected.

@github-actions github-actions bot added the Stale label Mar 11, 2025
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