test: mock Cloudflare worker environment

Adds a mock for cloudflare workers to enable testing
of code that relies on the cloudflare workers environment.

src/mocks/cloudflare.ts

@@ -0,0 +1,24 @@
+import { mock } from "bun:test";
+
+mock.module("cloudflare:workers", () => ({
+  env: {
+    ADMIN_SDK_JSON: JSON.stringify({
+      type: "service_account",
+      projectId: "test-26g38",
+      privateKeyId: "privateKeyId",
+      privateKey: "privateKey",
+      clientEmail: "test@test.com",
+      clientID: "clientId",
+      authURI: "https://accounts.google.com/o/oauth2/auth",
+      tokenURI: "https://oauth2.googleapis.com/token",
+      authProviderX509CertUrl: "https://www.googleapis.com/oauth2/v1/certs",
+      clientX509CertUrl:
+        "https://www.googleapis.com/robot/v1/metadata/x509/test%40test.com",
+      universeDomain: "aniplay.com",
+    }),
+    ANIWATCH_URL: "https://aniwatch.to",
+    CONSUMET_URL: "https://api.consumet.org",
+    ANILIST_URL: "https://graphql.anilist.co",
+    GOOGLE_AUTH_URL: "https://www.googleapis.com/oauth2/v4/token",
+  },
+}));