testland/test-framework-blueprint
Build-an-X workflow that takes an SDET from no test suite to a complete framework design in seven steps - inventory the SUT, choose runner + language, directory layout + fixture architecture, object-model decision, test data + mocking wiring, reporting + CI integration, conventions doc + review gates - producing a written framework blueprint (directory tree, fixture list, chosen patterns, CI matrix) plus an implementation order. This is the whole-framework design workflow - not the Step 2 runner-choice decision on its own, not the Step 4 object-model pattern catalog it defers to, and not the scaffolder that generates the harness skeleton once the blueprint exists. Use when designing a test automation framework from scratch or re-architecting one that grew organically.
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fixture-mechanics.mdreferences/
Fixture mechanics - Playwright and pytest
Deep mechanics for Step 3 of test-framework-blueprint. The blueprint decisions
(which scope, what each fixture provides, whether tests mutate it) live in
SKILL.md; this file carries the framework-specific wiring.
Playwright mechanics to standardize in the conventions doc
All per the test-fixtures docs:
- Custom fixtures via
test.extend(); teardown code followsawait use(...)in the same function, so setup and teardown live together. - Cross-cutting fixtures that every test needs (e.g. a network-stub guard)
are declared
{ auto: true }: they are "set up for each test/worker, even when the test does not list them directly." - Fixture modules from separate concerns combine via
mergeTests(); this is what makes thefixtures/index.tssingle-import convention work. - Tunable values (base URL, default user role) become option fixtures
(
{ option: true }) configured throughtest.use()per project.
The pytest equivalent
If Step 2 chose Python, the same architecture maps onto pytest fixtures. Per
the pytest fixtures how-to,
tests request fixtures by declaring them as arguments; available scopes are
function (the default), class, module, package, and session, where
scope controls destruction (a function-scoped fixture "is destroyed at the
end of the test"; a session-scoped one at the end of the test session).
The fixtures/index.ts merged-export convention becomes conftest.py
(fixtures there are accessible to "tests from multiple test modules in the
directory"), teardown code goes after yield, and { auto: true } becomes
@pytest.fixture(autouse=True). Playwright's worker scope has no direct
pytest twin; session scope plus per-worker IDs (e.g. pytest-xdist worker
id) fills the same database-per-worker role.