Testing Utilities API¶

from spryx_di.testing import override

override(container: Container, overrides: dict[type, Any]) -> Iterator[None]¶

Context manager that temporarily replaces container registrations and restores them on exit.

with override(container, {UserReader: FakeUserReader}):
    result = container.resolve(UserReader)  # FakeUserReader

# Original registration restored
result = container.resolve(UserReader)  # PgUserReader

Parameters:

• container — The container to override
• overrides — Dict mapping types to replacements. Values can be:
• A type (registered as transient)
• An instance (registered as instance)