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How do you handle auth token refresh in long-running API test suites?Our auth tokens expire after 1 hour. Most CI runs complete in 30–40 minutes so it's fine, but nightly full-suite runs…
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Common pitfalls when using pytest-asyncio with FastAPI tests?I'm testing a FastAPI application with pytest-asyncio and httpx.AsyncClient and hitting a few rough edges. Issues I've…
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pytest-xdist vs pytest-parallel — which is more reliable for parallel test execution?We need to parallelise a 600-test pytest suite. Current serial runtime is ~22 minutes, target is under 8 minutes. I've…
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What is the most effective approach to testing GraphQL APIs?REST API testing feels natural with pytest + requests, but I'm not sure how to apply the same discipline to GraphQL.…
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How do you properly clean up database state between pytest tests without killing speed?Our API test suite uses a real PostgreSQL database (Docker, spun up in CI). Each test creates data and we need…
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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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What programming skills are actually required to become a strong SDET?I see job descriptions asking for Python OR Java OR JavaScript AND sometimes all three. I'm trying to figure out what I…
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Selenium with Python vs Java — which should a new SDET invest in learning?I'm transitioning into an SDET role and trying to decide whether to build depth in Python or Java for Selenium.…
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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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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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Managing test data in pytest — factory pattern, fixtures, or external files?As our API test suite grows I'm realising ad-hoc test data in each test function is a maintenance nightmare. Three…
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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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Database testing strategies when your team does not own the database schema?We're an SDET team testing a service that uses a database we don't own — the schema is managed by a platform team and…
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Do you practice mutation testing and does it actually improve your test suite?Mutation testing (mutmut for Python, Stryker for JS) sounds powerful in theory: introduce small code changes and verify…
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