anathema 0.2.11

Create beautiful, easily customisable terminal applications
Documentation 
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use anathema::component::*;
use anathema::prelude::*;
use anathema_backend::testing::TestBackend;
use anathema_testutils::{BasicComp, BasicState, character};

fn keypress(_: KeyEvent, state: &mut BasicState, _: Children<'_, '_>, _: Context<'_, '_, BasicState>) {
    state.number.set(9);
}

#[test]
fn state_change() {
    let tpl = "text state.number";
    let doc = Document::new("@index");

    let mut backend = TestBackend::new((10, 3));

    backend.events().next().press(character(' ')).next().stop();

    let mut builder = Runtime::builder(doc, &backend);
    builder
        .component(
            "index",
            tpl.to_template(),
            BasicComp::<_, BasicState>::new(keypress),
            BasicState::default(),
        )
        .unwrap();

    _ = builder.finish(&mut backend, |runtime, backend| runtime.run(backend));

    assert!(backend.at(0, 0).is_char('9'));
}