State, seeding and persistence

Reproducible environments across runs: seed fixtures on boot, persist state between restarts, and reset cleanly between test suites.

Intermediate 15 Minutes Updated Jul 16, 2026

The Problem

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The architecture

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A Smaller Subtitle

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Seed on boot → run suite → reset state → repeat, identical every run.

Moving Parts

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# seed job (illustrative)
services:
  emulator: cloud-emulator:latest
steps:
  - run: emulator seed ./fixtures
  - run: pytest tests/
  - run: emulator reset # between suites

Trade-offs

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Tags
StateSeedingCI