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prometeu-runtime/discussion/workflow/plans/PLN-0108-migrate-tests-to-testplatform.md

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id ticket title status created completed ref_decisions tags
PLN-0108 real-render-worker-establishment Migrate Tests to TestPlatform open 2026-06-06
DEC-0032
tests
platform
fixtures

Objective

Replace remaining test dependence on Hardware::new() and HardwareBridge with TestPlatform or narrower facade fixtures.

Background

DEC-0032 requires tests that need a full local platform fixture to use TestPlatform, not hidden HardwareBridge compatibility.

Scope

Included

  • VM runtime tests.
  • Firmware tests.
  • Driver integration tests that still use monolithic hardware only as fixture.
  • Host debugger tests where applicable.

Excluded

  • Do not remove production bridge until tests are migrated.
  • Do not change behavior under test.

Execution Steps

Step 1 - Inventory test dependencies

What: Find all direct Hardware::new() and HardwareBridge test uses. How: Use rg and classify by domain. File(s): test modules across crates/console and crates/host.

Step 2 - Migrate full-platform tests

What: Replace Hardware::new() with TestPlatform. How: Use explicit facade accessors in assertions. File(s): crates/console/prometeu-system/src/services/vm_runtime/tests*.rs, firmware tests.

Step 3 - Migrate narrow tests

What: Replace full platform with narrower fixtures where only one domain is under test. How: Use render/composer/audio/input/asset fixtures directly. File(s): driver and runtime test modules.

Test Requirements

Unit Tests

  • All migrated tests pass.

Integration Tests

  • cargo test --workspace or relevant workspace subset if full workspace is too broad.

Manual Verification

  • rg "Hardware::new\\(|HardwareBridge" crates --glob '*test*' shows no test dependency except tests explicitly covering legacy removal.

Acceptance Criteria

  • TestPlatform is the default full platform fixture.
  • Tests no longer preserve HardwareBridge by habit.
  • Narrow tests use narrower fixtures.

Dependencies

  • PLN-0103.
  • PLN-0107.

Risks

  • Large mechanical changes can hide behavior regressions. Keep commits grouped by test domain.