Macro assert_state 

macro_rules! assert_state {
    ($harness:expr, $($field:tt).+, $expected:expr) => { ... };
}

Assert that a field of the harness state has an expected value.

Example

use tui_dispatch::testing::{TestHarness, assert_state};

let harness = TestHarness::<AppState, Action>::new(AppState::default());
assert_state!(harness, counter, 0);
assert_state!(harness, ui.focused_panel, Panel::Keys);