feat: add contract test suite for Plugin API

Create reusable contract tests for TTS Plugin Architecture:
- conftest.py: shared fixtures and stubs (FakeEngine, FakeSession, etc.)
- test_types_contract.py: value object contracts (frozen, immutability, equality)
- test_errors_contract.py: error hierarchy contracts
- test_manifest_contract.py: manifest type contracts
- test_engine_contract.py: Engine protocol contracts (lifecycle, dispose)
- test_session_contract.py: EngineSession protocol contracts
- test_capabilities_contract.py: capability protocol contracts
- test_host_context_contract.py: HostContext contracts
- test_plugin_contract.py: plugin contract (exports, create_engine)

124 tests covering all public API contracts.
This commit is contained in:
Artem Akymenko
2026-07-12 16:20:05 +03:00
parent 79b3d26f66
commit 0f568120f4
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"""Contract tests for the TTS Plugin API.
This package contains reusable contract tests that any TTS plugin implementation
must satisfy. Tests use only the public API and are engine-agnostic.
"""