96 lines
2.3 KiB
Rust
96 lines
2.3 KiB
Rust
#[cfg(not(feature = "stable"))]
|
|
use leptos_reactive::{
|
|
create_isomorphic_effect, create_memo, create_runtime, create_scope, create_signal,
|
|
};
|
|
|
|
#[cfg(not(feature = "stable"))]
|
|
#[test]
|
|
fn effect_runs() {
|
|
use std::cell::RefCell;
|
|
use std::rc::Rc;
|
|
|
|
create_scope(create_runtime(), |cx| {
|
|
let (a, set_a) = create_signal(cx, -1);
|
|
|
|
// simulate an arbitrary side effect
|
|
let b = Rc::new(RefCell::new(String::new()));
|
|
|
|
create_isomorphic_effect(cx, {
|
|
let b = b.clone();
|
|
move |_| {
|
|
let formatted = format!("Value is {}", a());
|
|
*b.borrow_mut() = formatted;
|
|
}
|
|
});
|
|
|
|
assert_eq!(b.borrow().as_str(), "Value is -1");
|
|
|
|
set_a(1);
|
|
|
|
assert_eq!(b.borrow().as_str(), "Value is 1");
|
|
})
|
|
.dispose()
|
|
}
|
|
|
|
#[cfg(not(feature = "stable"))]
|
|
#[test]
|
|
fn effect_tracks_memo() {
|
|
use std::cell::RefCell;
|
|
use std::rc::Rc;
|
|
|
|
create_scope(create_runtime(), |cx| {
|
|
let (a, set_a) = create_signal(cx, -1);
|
|
let b = create_memo(cx, move |_| format!("Value is {}", a()));
|
|
|
|
// simulate an arbitrary side effect
|
|
let c = Rc::new(RefCell::new(String::new()));
|
|
|
|
create_isomorphic_effect(cx, {
|
|
let c = c.clone();
|
|
move |_| {
|
|
*c.borrow_mut() = b();
|
|
}
|
|
});
|
|
|
|
assert_eq!(b().as_str(), "Value is -1");
|
|
assert_eq!(c.borrow().as_str(), "Value is -1");
|
|
|
|
set_a(1);
|
|
|
|
assert_eq!(b().as_str(), "Value is 1");
|
|
assert_eq!(c.borrow().as_str(), "Value is 1");
|
|
})
|
|
.dispose()
|
|
}
|
|
|
|
#[cfg(not(feature = "stable"))]
|
|
#[test]
|
|
fn untrack_mutes_effect() {
|
|
use std::cell::RefCell;
|
|
use std::rc::Rc;
|
|
|
|
create_scope(create_runtime(), |cx| {
|
|
let (a, set_a) = create_signal(cx, -1);
|
|
|
|
// simulate an arbitrary side effect
|
|
let b = Rc::new(RefCell::new(String::new()));
|
|
|
|
create_isomorphic_effect(cx, {
|
|
let b = b.clone();
|
|
move |_| {
|
|
let formatted = format!("Value is {}", cx.untrack(a));
|
|
*b.borrow_mut() = formatted;
|
|
}
|
|
});
|
|
|
|
assert_eq!(a(), -1);
|
|
assert_eq!(b.borrow().as_str(), "Value is -1");
|
|
|
|
set_a(1);
|
|
|
|
assert_eq!(a(), 1);
|
|
assert_eq!(b.borrow().as_str(), "Value is -1");
|
|
})
|
|
.dispose()
|
|
}
|