dioxus/packages/core/tests/sharedstate.rs

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use dioxus::{nodes::VSuspended, prelude::*, DomEdit, TestDom};
use dioxus_core as dioxus;
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use dioxus_core_macro::*;
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use dioxus_html as dioxus_elements;
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use DomEdit::*;
mod test_logging;
fn new_dom() -> TestDom {
const IS_LOGGING_ENABLED: bool = false;
test_logging::set_up_logging(IS_LOGGING_ENABLED);
TestDom::new()
}
#[test]
fn shared_state_test() {
struct MySharedState(&'static str);
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static App: FC<()> = |cx, props| {
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cx.provide_state(MySharedState("world!"));
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rsx!(cx, Child {})
};
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static Child: FC<()> = |cx, props| {
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let shared = cx.consume_state::<MySharedState>()?;
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rsx!(cx, "Hello, {shared.0}")
};
let mut dom = VirtualDom::new(App);
let Mutations { edits, .. } = dom.rebuild();
assert_eq!(
edits,
[
CreateTextNode {
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root: 0,
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text: "Hello, world!"
},
AppendChildren { many: 1 },
]
);
}