Add test stub

Cargo.toml

@@ -31,10 +31,18 @@ tokenizers = { version = "0.15.0", features = ["unstable_wasm"], default-feature
 serde = {version = "1.0.193", features = ["derive"]}
 serde_json = "1.0.108"
 js-sys = "0.3.64"
+wasm-bindgen-futures = "0.4.39"
+anyhow = "1.0"
 
 [dependencies.web-sys]
 features = [
-  'console'
+  'console',
+  'Headers',
+  'Request',
+  'RequestInit',
+  'RequestMode',
+  'Response',
+  'Window',
 ]
 version = "0.3.64"
 

tests/web.rs

@@ -3,11 +3,43 @@
 #![cfg(target_arch = "wasm32")]
 
 extern crate wasm_bindgen_test;
+use std::println;
+
+use wasm_bindgen::{prelude::*, JsValue};
+use wasm_bindgen_futures::JsFuture;
 use wasm_bindgen_test::*;
+use web_sys::console;
+use web_sys::{Request, RequestInit, RequestMode, Response};
 
 wasm_bindgen_test_configure!(run_in_browser);
 
 #[wasm_bindgen_test]
-fn pass() {
+async fn pass() -> Result<(), JsValue> {
+    let mut opts = RequestInit::new();
+    opts.method("GET");
+    opts.mode(RequestMode::Cors);
+
+    let url = "https://api.github.com/repos/text-yoga/transformers-wasm/branches/main";
+
+    let request = Request::new_with_str_and_init(&url, &opts)?;
+
+    request
+        .headers()
+        .set("Accept", "application/vnd.github.v3+json")?;
+
+    let window = web_sys::window().unwrap();
+    let resp_value = JsFuture::from(window.fetch_with_request(&request)).await?;
+
+    // `resp_value` is a `Response` object.
+    assert!(resp_value.is_instance_of::<Response>());
+    let resp: Response = resp_value.dyn_into().unwrap();
+
+    // Convert this other `Promise` into a rust `Future`.
+    let json = JsFuture::from(resp.json()?).await?;
+
+    let json_str = js_sys::JSON::stringify(&json)?;
+
+    console::log_2(&"Logging arbitrary values looks like".into(), &json_str);
     assert_eq!(1 + 1, 2);
+    Ok(())
 }