TEST-INFRA: [ci-execution-time] Optimize CI / integration_tests (push) #1783

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opened 2026-04-02 23:49:02 +00:00 by freemo · 0 comments
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Metadata

  • Branch: chore/ci-optimize-integration-tests
  • Commit Message: chore(ci): optimize integration_tests suite execution time
  • Milestone: v3.7.0
  • Parent Epic: #1678

Background and Context

The CI / integration_tests (push) test suite is one of the slowest in our CI pipeline, with an average execution time of 1283.00 seconds (~21 minutes). This significantly slows down the developer feedback loop and increases the time it takes to merge pull requests, directly impacting team velocity.

Current Behavior

The CI / integration_tests (push) job runs sequentially as a single job, with no parallelization, caching, or test splitting in place. The average execution time is 1283.00 seconds.

Expected Behavior

The average execution time of the CI / integration_tests (push) test suite should be reduced by at least 30% (target: ≤ 898 seconds), without compromising test coverage or reliability.

Acceptance Criteria

  • The average execution time of CI / integration_tests (push) is reduced by at least 30%.
  • All integration tests continue to pass reliably after the changes.
  • Test coverage remains at or above the project-defined threshold (≥ 97%).
  • No integration test mocking is introduced (integration tests must exercise real services per CONTRIBUTING.md).

Supporting Information

  • Parent Epic: #1678 — CI Execution Time Optimization — Timeouts, Concurrency, and Coverage Artifact Sharing
  • Related issues: #1705 (Parallelize integration tests), #1716 (Profile and optimize slow unit and integration tests)
  • Baseline measurement: average execution time = 1283.00 seconds

Subtasks

  • Profile the integration_tests suite to identify the slowest tests and bottlenecks
  • Analyze candidates for parallelization (identify independent test groups)
  • Create a plan for splitting the tests into parallel CI jobs
  • Implement parallelization in the CI configuration (e.g., matrix strategy or pytest-xdist)
  • Investigate and implement dependency/asset caching to avoid redundant setup steps
  • Analyze and optimize test setup and teardown processes
  • Measure execution time after changes to verify ≥ 30% improvement
  • Run nox (all default sessions) and fix any errors
  • Verify coverage ≥ 97% via nox -s coverage_report

Definition of Done

This issue is complete when:

  • All subtasks above are completed and checked off.
  • The average execution time of CI / integration_tests (push) is reduced by at least 30% (from 1283.00 s to ≤ 898 s).
  • All integration tests pass reliably with no regressions.
  • Test coverage remains ≥ 97%.
  • A Git commit is created where the first line of the commit message matches the Commit Message in Metadata exactly (chore(ci): optimize integration_tests suite execution time), followed by a blank line, then additional lines providing relevant implementation details.
  • The commit is pushed to the remote on the branch chore/ci-optimize-integration-tests.
  • The commit is submitted as a pull request to master, reviewed, and merged before this issue is marked done.
  • All nox stages pass.
  • Coverage ≥ 97%.

Automated by CleverAgents Bot
Supervisor: Test Infrastructure | Agent: ca-new-issue-creator

## Metadata - **Branch**: `chore/ci-optimize-integration-tests` - **Commit Message**: `chore(ci): optimize integration_tests suite execution time` - **Milestone**: v3.7.0 - **Parent Epic**: #1678 ## Background and Context The `CI / integration_tests (push)` test suite is one of the slowest in our CI pipeline, with an average execution time of **1283.00 seconds** (~21 minutes). This significantly slows down the developer feedback loop and increases the time it takes to merge pull requests, directly impacting team velocity. ## Current Behavior The `CI / integration_tests (push)` job runs sequentially as a single job, with no parallelization, caching, or test splitting in place. The average execution time is **1283.00 seconds**. ## Expected Behavior The average execution time of the `CI / integration_tests (push)` test suite should be reduced by at least **30%** (target: ≤ 898 seconds), without compromising test coverage or reliability. ## Acceptance Criteria - The average execution time of `CI / integration_tests (push)` is reduced by at least 30%. - All integration tests continue to pass reliably after the changes. - Test coverage remains at or above the project-defined threshold (≥ 97%). - No integration test mocking is introduced (integration tests must exercise real services per CONTRIBUTING.md). ## Supporting Information - Parent Epic: #1678 — CI Execution Time Optimization — Timeouts, Concurrency, and Coverage Artifact Sharing - Related issues: #1705 (Parallelize integration tests), #1716 (Profile and optimize slow unit and integration tests) - Baseline measurement: average execution time = **1283.00 seconds** ## Subtasks - [ ] Profile the `integration_tests` suite to identify the slowest tests and bottlenecks - [ ] Analyze candidates for parallelization (identify independent test groups) - [ ] Create a plan for splitting the tests into parallel CI jobs - [ ] Implement parallelization in the CI configuration (e.g., matrix strategy or `pytest-xdist`) - [ ] Investigate and implement dependency/asset caching to avoid redundant setup steps - [ ] Analyze and optimize test setup and teardown processes - [ ] Measure execution time after changes to verify ≥ 30% improvement - [ ] Run `nox` (all default sessions) and fix any errors - [ ] Verify coverage ≥ 97% via `nox -s coverage_report` ## Definition of Done This issue is complete when: - [ ] All subtasks above are completed and checked off. - [ ] The average execution time of `CI / integration_tests (push)` is reduced by at least 30% (from 1283.00 s to ≤ 898 s). - [ ] All integration tests pass reliably with no regressions. - [ ] Test coverage remains ≥ 97%. - [ ] A Git commit is created where the **first line** of the commit message matches the Commit Message in Metadata exactly (`chore(ci): optimize integration_tests suite execution time`), followed by a blank line, then additional lines providing relevant implementation details. - [ ] The commit is pushed to the remote on the branch `chore/ci-optimize-integration-tests`. - [ ] The commit is submitted as a **pull request** to `master`, reviewed, and **merged** before this issue is marked done. - [ ] All nox stages pass. - [ ] Coverage ≥ 97%. --- **Automated by CleverAgents Bot** Supervisor: Test Infrastructure | Agent: ca-new-issue-creator
freemo added this to the v3.7.0 milestone 2026-04-02 23:49:21 +00:00
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Reference
cleveragents/cleveragents-core#1783
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