Add unit test for getting bytes from message

Author: tkubicz

src/browser/web_socket/message.rs

@@ -51,7 +51,7 @@ impl WebSocketMessage {
             let blob = gloo_file::Blob::from(blob.to_owned());
             let bytes = gloo_file::futures::read_as_bytes(&blob)
                 .await
-                .map_err(WebSocketError::FileRedaerError)?;
+                .map_err(WebSocketError::FileReaderError)?;
             return Ok(bytes);
         }
 
@@ -112,3 +112,23 @@ impl WebSocketMessage {
         &self.message_event
     }
 }
+
+#[cfg(test)]
+pub mod tests {
+    use crate::browser::web_socket::WebSocketMessage;
+    use wasm_bindgen_test::*;
+    wasm_bindgen_test_configure!(run_in_browser);
+
+    #[wasm_bindgen_test]
+    async fn get_bytes_from_message() {
+        let bytes = "some test message".as_bytes();
+        let blob = gloo_file::Blob::new(bytes);
+        let message_event = web_sys::MessageEvent::new("test").unwrap();
+        let ws_msg = WebSocketMessage {
+            data: blob.into(),
+            message_event,
+        };
+        let result_bytes = ws_msg.bytes().await.unwrap();
+        assert_eq!(bytes, &*result_bytes);
+    }
+}