feat: add WebFingerLinkDispatcher support in MockFederation

Author: dodok8

packages/testing/src/mock.ts

@@ -21,6 +21,7 @@ import type {
   SendActivityOptions,
   SendActivityOptionsForCollection,
   SenderKeyPair,
+  WebFingerLinkDispatcher,
 } from "@fedify/fedify/federation";
 import type { JsonValue, NodeInfo } from "@fedify/fedify/nodeinfo";
 import type { DocumentLoader } from "@fedify/fedify/runtime";
@@ -108,6 +109,7 @@ export class MockFederation<TContextData> implements Federation<TContextData> {
   private activeQueues: Set<"inbox" | "outbox" | "fanout"> = new Set();
   public sentCounter = 0;
   private nodeInfoDispatcher?: NodeInfoDispatcher<TContextData>;
+  private webFingerDispatcher?: WebFingerLinkDispatcher<TContextData>;
   private actorDispatchers: Map<string, ActorDispatcher<TContextData>> =
     new Map();
   public actorPath?: string;
@@ -190,6 +192,12 @@ export class MockFederation<TContextData> implements Federation<TContextData> {
     this.nodeInfoPath = path;
   }
 
+  setWebFingerLinkDispatcher(
+    dispatcher: WebFingerLinkDispatcher<TContextData>,
+  ): void {
+    this.webFingerDispatcher = dispatcher;
+  }
+
   setActorDispatcher(
     path: `${string}{identifier}${string}` | `${string}{handle}${string}`,
     dispatcher: ActorDispatcher<TContextData>,