set_with_grab/
lib.rs

1pub use set_with_grab_macro::set_with_grab;
2
3#[cfg(test)]
4mod intergration_test {
5  use super::set_with_grab;
6  use bevy::prelude::*;
7  use rstest::*;
8
9  #[derive(Debug, Clone, PartialEq, Eq, Hash)]
10  enum MockState {
11    Before,
12    After,
13  }
14
15  fn setter_with_grab(mut state: ResMut<State<MockState>>) {
16    set_with_grab!(state, MockState::After);
17    // if there is the under code, it will crash with running, but on testing, an error does not occurred.
18    // state.set(MockState::After).unwrap();
19  }
20
21  #[fixture]
22  fn app() -> App {
23    let mut app = App::new();
24    app.add_plugins(MinimalPlugins).add_state(MockState::Before);
25    app
26  }
27
28  #[rstest]
29  fn change_state_with_grab(mut app: App) {
30    app.add_system_set(
31      SystemSet::on_update(MockState::Before)
32        .with_system(setter_with_grab),
33    );
34    app.update();
35    let state = app.world.resource_mut::<State<MockState>>();
36    match state.current() {
37      MockState::After => {}
38      MockState::Before => {
39        panic!("the state is before, yet.");
40      }
41    }
42  }
43}
set_with_grab/lib.rs

set_with_grab/
lib.rs
