qe-test-execution

Testing & Quality

Orchestrates test suite execution with parallel sharding, intelligent retry, and real-time reporting across Jest, Vitest, and Playwright. Use when running test suites, optimizing execution time, handling flaky tests, configuring CI test pipelines, or analyzing test run results.

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QE Test Execution

Purpose

Guide the use of v3's test execution capabilities including parallel orchestration, smart test selection, flaky test handling, and distributed execution across multiple environments.

Activation

When running test suites
When optimizing test execution time
When handling flaky tests
When setting up CI/CD test pipelines
When executing tests across environments

Quick Start

# Run all tests with parallelization
aqe test run --parallel --workers 4

# Run affected tests only
aqe test run --affected --since HEAD~1

# Run with retry for flaky tests
aqe test run --retry 3 --retry-delay 1000

# Run specific test types
aqe test run --type unit,integration --exclude e2e

Agent Workflow

// Orchestrate test execution
Task("Execute test suite", `
  Run the full test suite with:
  - 4 parallel workers
  - Retry flaky tests up to 3 times
  - Generate JUnit report
  - Fail fast on critical tests
  Report results and any failures.
`, "qe-test-executor")

// Smart test selection
Task("Run affected tests", `
  Analyze changes in PR #123 and:
  - Identify affected test files
  - Run only relevant tests
  - Include integration tests for changed modules
  - Report coverage delta
`, "qe-test-selector")

Execution Strategies

1. Parallel Execution

await testExecutor.runParallel({
  suites: ['unit', 'integration'],
  workers: 4,
  distribution: 'by-file',  // or 'by-test', 'by-duration'
  isolation: 'process',
  sharding: {
    enabled: true,
    total: 4,
    index: process.env.SHARD_INDEX
  }
});

2. Smart Test Selection

await testExecutor.runAffected({
  changes: gitChanges,
  selection: {
    direct: true,      // Tests for changed files
    transitive: true,  // Tests for dependents
    integration: true  // Integration tests touching changed code
  },
  fallback: 'full-suite'  // If analysis fails
});

3. Flaky Test Handling

await testExecutor.handleFlaky({
  detection: {
    enabled: true,
    threshold: 0.1,  // 10% flake rate
    window: 100      // Last 100 runs
  },
  strategy: {
    retry: 3,
    quarantine: true,
    notify: ['#flaky-tests']
  }
});

Execution Configuration

execution:
  parallel:
    workers: auto  # CPU cores - 1
    timeout: 30000
    bail: false

  retry:
    count: 2
    delay: 1000
    only_failed: true

  reporting:
    formats: [junit, json, html]
    include_timing: true
    include_logs: true

  environments:
    - name: node-18
      image: node:18-alpine
    - name: node-20
      image: node:20-alpine

CI/CD Integration

# GitHub Actions example
test:
  runs-on: ubuntu-latest
  strategy:
    matrix:
      shard: [1, 2, 3, 4]
  steps:
    - uses: actions/checkout@v4
    - name: Run tests
      run: |
        aqe test run \
          --shard ${{ matrix.shard }}/4 \
          --parallel \
          --report junit
    - name: Upload results
      uses: actions/upload-artifact@v4
      with:
        name: test-results-${{ matrix.shard }}
        path: reports/

Result Aggregation

interface ExecutionResults {
  summary: {
    total: number;
    passed: number;
    failed: number;
    skipped: number;
    flaky: number;
    duration: number;
  };
  shards: ShardResult[];
  failures: TestFailure[];
  flakyTests: FlakyTest[];
  coverage: CoverageReport;
  timing: TimingAnalysis;
}

Gotchas

Full test suites may OOM in containers — the rule "don't run full suite" was violated 20x despite being in CLAUDE.md. Fix: make suite lightweight, don't just add more rules
Fewer focused agents (3-4) outperform many vague ones (6-8) — always include verification command in each agent prompt
New model releases can shift agent behavior mid-sprint — rules followed yesterday may be ignored today after model update
Running all tests in parallel can mask flaky tests — use --workers=1 for initial diagnosis
Session crashes lose all context — save intermediate results to disk, not just memory

Coordination

Primary Agents: qe-test-executor, qe-test-selector, qe-flaky-detector Coordinator: qe-test-execution-coordinator Related Skills: qe-test-generation, qe-coverage-analysis