test: add mock requestUrl method by @Fevol

__mocks__/obsidian.ts

@@ -0,0 +1,32 @@
+import { RequestUrlParam, RequestUrlResponse } from "obsidian";
+
+export function requestUrl(request: RequestUrlParam): Promise<RequestUrlResponse> {
+    return fetch(request.url, {
+        method: request.method,
+        headers: request.headers,
+        body: request.body,
+    }).then(async (response) => {
+        if (response.status >= 400 && request.throw) {
+            throw new Error(`Request failed, ${response.status}`);
+        }
+
+        // Turn response headers into Record<string, string> object
+        const headers: Record<string, string> = {};
+        response.headers.forEach((value, key) => {
+            headers[key] = value;
+        });
+
+        const arraybuffer = await response.arrayBuffer();
+        const text = arraybuffer ? new TextDecoder().decode(arraybuffer) : '';
+        const json = text ? JSON.parse(text) : {};
+
+        let response_body: RequestUrlResponse = {
+            status: response.status,
+            headers: headers,
+            arrayBuffer: arraybuffer,
+            json: json,
+            text: text,
+        };
+        return response_body;
+    });
+}