make ajax configurable

web/static/src/ts/init.ts

@@ -31,7 +31,7 @@ export const init = memoize(async function(): Promise<InitializedData> {
   // services
   const qweb = new QWeb();
   const router = new Router();
-  const ajax = new Ajax();
+  const ajax = new Ajax(ajaxFetch);
   const actionManager = new ActionManager(actionRegistry, ajax);
   const notifications = new NotificationManager();
 
@@ -65,6 +65,12 @@ export const init = memoize(async function(): Promise<InitializedData> {
 // Adapters
 //------------------------------------------------------------------------------
 
+function ajaxFetch(route: string, params: any): Promise<any> {
+  console.log("RPC", route, params);
+  const delay = Math.random() * 150;
+  return new Promise(resolve => setTimeout(resolve, delay));
+}
+
 /**
  * Load xml templates as a string.
  */

web/static/src/ts/services/ajax.ts

@@ -26,16 +26,22 @@ interface RequestParameters {
   params: { [key: string]: any };
 }
 
+export type FetchMethod = (route: string, params: any) => Promise<any>;
+
 //------------------------------------------------------------------------------
 // Ajax
 //------------------------------------------------------------------------------
 
 export class Ajax implements IAjax {
+  fetch: FetchMethod;
+
+  constructor(fetch: FetchMethod) {
+    this.fetch = fetch;
+  }
+
   rpc(rpc: RPCQuery): Promise<any> {
     const request = this.prepareRequest(rpc);
-    console.log("RPC", request.route, request.params);
-    const delay = Math.random() * 150;
-    return new Promise(resolve => setTimeout(resolve, delay));
+    return this.fetch(request.route, request.params);
   }
 
   private prepareRequest(query: RPCQuery): RequestParameters {