tessl/npm-jest-circus
tessl install tessl/npm-jest-circus@29.7.0The next-gen flux-based test runner for Jest that provides test framework globals and event-driven test execution
Agent Success
Agent success rate when using this tile
82%
Improvement
Agent success rate improvement when using this tile compared to baseline
1.91x
Baseline
Agent success rate without this tile
43%
Assessment results
Generated
Agent Codex
Scenario 1
Mock function creation (jest.fn)
Scenario 2
Equality matchers (toBe, toEqual, toStrictEqual)
Scenario 3
Data-driven testing with test.each (template literal syntax)
Scenario 4
Test filtering (--onlyChanged, --onlyFailures)
Scenario 5
Custom matchers (expect.extend)
Scenario 6
Mock lifecycle (mockClear, mockReset, mockRestore)
Scenario 7
Callback testing with done
Scenario 8
Promise testing (resolves, rejects)
Scenario 9
Test retries (jest.retryTimes)
Scenario 10
Error snapshot testing (toThrowErrorMatchingSnapshot)
