diff --git a/src/index.ts b/src/index.ts
index 33c992e..9a96463 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -72,11 +72,20 @@ class HttpBackend {
 
     // very simplistic mapping from the whatwg fetch interface onto the request
     // interface, so we can use the same mock backend for both.
-    public fetchFn = (input: string, init?: Omit<RequestOpts, 'uri'>): Promise<{ ok: boolean, json: () => unknown }> => {
+    public fetchFn = (input: URL | string, init?: Omit<RequestOpts, 'uri'>): Promise<{
+        ok: boolean;
+        status: number;
+        json: () => unknown;
+    }> => {
+        const url = new URL(input);
+        const qs = Object.fromEntries(url.searchParams);
+        
         const requestOpts = {
-            uri: input,
+            uri: url.href,
             method: init?.method || 'GET',
+            headers: init?.headers,
             body: init?.body,
+            qs,
         };
 
         return new Promise((resolve, reject) => {
@@ -86,6 +95,7 @@ class HttpBackend {
                 }
                 resolve({
                     ok: response.statusCode >= 200 && response.statusCode < 300,
+                    status: response.statusCode,
                     json: () => JSON.parse(body),
                 });
             };