78 lines
1.7 KiB
Rust
78 lines
1.7 KiB
Rust
use leptos_reactive::{
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create_isomorphic_effect, create_runtime, signal_prelude::*,
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};
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#[test]
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fn untracked_set_doesnt_trigger_effect() {
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use std::{cell::RefCell, rc::Rc};
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let runtime = create_runtime();
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let (a, set_a) = create_signal(-1);
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// simulate an arbitrary side effect
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let b = Rc::new(RefCell::new(String::new()));
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create_isomorphic_effect({
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let b = b.clone();
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move |_| {
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let formatted = format!("Value is {}", a.get());
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*b.borrow_mut() = formatted;
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}
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});
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assert_eq!(b.borrow().as_str(), "Value is -1");
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set_a.set(1);
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assert_eq!(b.borrow().as_str(), "Value is 1");
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set_a.set_untracked(-1);
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assert_eq!(b.borrow().as_str(), "Value is 1");
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runtime.dispose();
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}
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#[test]
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fn untracked_get_doesnt_trigger_effect() {
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use std::{cell::RefCell, rc::Rc};
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let runtime = create_runtime();
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let (a, set_a) = create_signal(-1);
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let (a2, set_a2) = create_signal(1);
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// simulate an arbitrary side effect
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let b = Rc::new(RefCell::new(String::new()));
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create_isomorphic_effect({
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let b = b.clone();
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move |_| {
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let formatted =
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format!("Values are {} and {}", a.get(), a2.get_untracked());
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*b.borrow_mut() = formatted;
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}
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});
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assert_eq!(b.borrow().as_str(), "Values are -1 and 1");
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set_a.set(1);
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assert_eq!(b.borrow().as_str(), "Values are 1 and 1");
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set_a.set_untracked(-1);
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assert_eq!(b.borrow().as_str(), "Values are 1 and 1");
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set_a2.set(-1);
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assert_eq!(b.borrow().as_str(), "Values are 1 and 1");
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set_a.set(-1);
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assert_eq!(b.borrow().as_str(), "Values are -1 and -1");
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runtime.dispose();
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}
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