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How I structure conftest.py files across a large monorepo — the pattern that worksAfter three rewrites, here's the conftest.py structure that finally works for our monorepo (4 services, ~800 tests):…
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JSON schema validation — jsonschema vs pydantic vs just asserting against the OpenAPI spec?I need to validate API response structures in pytest tests. Three paths I see: 1. jsonschema — explicit, dict-based…
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How involved should SDETs be in security testing — and what skills does it require?My company is adding basic security testing requirements. Leadership wants SDETs to own it since we already own…
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Best practices for organizing pytest fixtures in large test suites?I'm working on a fairly large test project (~500 tests across 3 microservices) and our conftest.py files are getting…
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Best approach for secrets management for test credentials in CI?We have test credentials (API keys for sandbox environments, DB passwords, OAuth tokens) that need to be available in…
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Shared test environments vs per-test isolation — how do you decide?We have two camps on our team: Camp A (shared environment): Tests run against a shared staging server. Fast to set up,…
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How do you use pytest.mark.parametrize with complex nested data structures?I need to parametrize a test with inputs that are dictionaries containing lists, some optional keys, and some keys that…
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How do you test accessibility (a11y) effectively — tools and approach that actually work?We want to add accessibility testing to our suite. We have a React app with ~60 pages. Current thinking: - axe-core +…
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Is there a practical upper limit on how long a single automated test should run?We have a handful of E2E tests that take 4–6 minutes each. They cover complex user journeys (onboarding flow,…
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Strategy for testing APIs that call third-party services — mock, contract, or live?Our payments API calls Stripe, our notifications API calls SendGrid, and our geolocation API calls Google Maps. All…
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How do you write meaningful performance assertions in your load tests?Most load test examples I see just report numbers (p95, p99, RPS) without failing the test definitively. I want our…
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How do you handle timezone-related test failures in a distributed team?We have engineers in India, UK, and US. Our tests occasionally fail due to timezone-dependent logic: - Date range…
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How do you handle visual regression testing at scale?We want to add visual regression tests for our design system components (50+ components) and a few key pages. Tools…
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Testing microservices — how do you balance service isolation vs full integration tests?We have 8 microservices. Testing strategy question: where do you draw the line between testing each service in…
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GitHub Actions vs GitLab CI for running test suites — practical comparison?We're moving off Jenkins and evaluating GitHub Actions vs GitLab CI (we're already on GitLab for source control). For…
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What is your actual test pyramid ratio in practice — unit, integration, E2E?The classic answer is 70% unit / 20% integration / 10% E2E. But I've never worked on a team that actually hits that…
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Headless vs headed browser testing — when do you run headed locally?Most people run headed during development and headless in CI. But I'm curious about the exceptions: - When do you run…
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Is contract testing with Pact worth the setup cost for a 2-team API boundary?We have two teams: one owns a user service (Python/FastAPI), one owns a frontend (Next.js). The user service API is the…
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How granular is your test tagging strategy and does it actually get used?We use pytest marks for test organisation: @pytest.mark.slow, @pytest.mark.integration, @pytest.mark.smoke. In theory:…
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BDD with Cucumber and Gherkin — genuine value or just an abstraction layer nobody asked for?My new company uses Cucumber for all E2E tests. Feature files are written in Gherkin, step definitions in Java. After 2…
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