wasm-bindgen/crates/test/sample/tests/common/mod.rs

use std::time::Duration;

use futures::prelude::*;
use sample::Timeout;
use wasm_bindgen::prelude::*;
use wasm_bindgen_test::*;

#[wasm_bindgen_test]
fn pass() {
    console_log!("DO NOT SEE ME");
}

#[wasm_bindgen_test(async)]
fn pass_after_2s() -> impl Future<Item = (), Error = JsValue> {
    console_log!("immediate log");
    Timeout::new(Duration::new(1, 0)).and_then(|()| {
        console_log!("log after 1s");
        Timeout::new(Duration::new(1, 0)).map(|()| {
            console_log!("log at end");
        })
    })
}

#[wasm_bindgen_test]
fn fail() {
    console_log!("helpful messsage, please see me");
    panic!("this is a failing test");
}

#[wasm_bindgen_test(async)]
fn fail_after_3s() -> impl Future<Item = (), Error = JsValue> {
    console_log!("immediate log");
    Timeout::new(Duration::new(1, 0)).and_then(|()| {
        console_log!("log after 1s");
        Timeout::new(Duration::new(1, 0)).and_then(|()| {
            console_log!("log after 2s");
            Timeout::new(Duration::new(1, 0)).map(|()| {
                panic!("end");
            })
        })
    })
}