optimle/web-optimle/tests/app.rs

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use wasm_bindgen_test::{wasm_bindgen_test_configure, wasm_bindgen_test};
use futures::prelude::*;
use wasm_bindgen::JsValue;
use wasm_bindgen_futures::JsFuture;
wasm_bindgen_test_configure!(run_in_browser);
// This runs a unit test in native Rust, so it can only use Rust APIs.
#[test]
fn rust_test() {
assert_eq!(1, 1);
}
// This runs a unit test in the browser, so it can use browser APIs.
#[wasm_bindgen_test]
fn web_test() {
assert_eq!(1, 1);
}
// This runs a unit test in the browser, and in addition it supports asynchronous Future APIs.
#[wasm_bindgen_test(async)]
fn async_test() -> impl Future<Item = (), Error = JsValue> {
// Creates a JavaScript Promise which will asynchronously resolve with the value 42.
let promise = js_sys::Promise::resolve(&JsValue::from(42));
// Converts that Promise into a Future.
// The unit test will wait for the Future to resolve.
JsFuture::from(promise)
.map(|x| {
assert_eq!(x, 42);
})
}