Module test_utils 

Headless test utilities for unit-testing TUI closures. Headless testing utilities.

TestBackend renders a UI closure to an in-memory buffer without a real terminal. EventBuilder constructs event sequences for simulating user input. Together they enable snapshot and assertion-based UI testing.

Structs

EventBuilder

Builder for constructing a sequence of input Events.

FrameRecord

Snapshot of a single rendered frame, captured by TestBackend::record_frames.

TestBackend

Headless rendering backend for tests.

TestSequence

Builder returned by TestBackend::sequence.