Competencies: Software Engineering > Testing

pytest

Python testing framework with fixtures, parametrization, plugins, and coverage integration. Foundation for TDD and CI/CD pipelines.

High

Backend, DevOps, QA

Unit Testing

Test isolation, mocking, assertions, test organization, AAA pattern

Critical

All Engineering

Integration Testing

Testing component interactions, database testing, API testing

Critical

Backend Developer, QA Engineer

Test-Driven Development

Red-green-refactor cycle, test-first design, behavior specification

High

Backend Developer, Software Engineer

Mocking & Stubbing

Test doubles, mock objects, dependency isolation, when to mock

High

Backend Developer, QA Engineer

Code Coverage

Line/branch/path coverage, coverage tools, coverage targets, coverage gaps

High

Backend Developer, QA Engineer

Property-Based Testing

Hypothesis, random input generation, invariant testing, shrinking

Medium

Backend Developer, QA Engineer

End-to-End Testing

Selenium, Playwright, Cypress, user journey testing, test data

High

QA Engineer, Full-Stack Developer

Performance Testing

Load testing, stress testing, benchmarking, profiling, bottleneck identification

High

SRE, Backend Developer, QA Engineer

Test Automation

CI integration, test parallelization, flaky test management, test reporting

High

DevOps Engineer, QA Engineer

pytest

Advanced

100+ tests across domus-api and association-engine; fixtures, parametrize, conftest architecture, mock/patch, coverage reporting; TDD workflow

domus-api, Association Engine

No property-based testing (Hypothesis), no mutation testing