refactor!: migrate away from bun

- migrate package management to pnpm
- migrate test suite to vitest
- also remove Anify integration

src/controllers/episodes/getEpisodeUrl/index.spec.ts

@@ -1,12 +1,52 @@
-import { describe, expect, it } from "bun:test";
+import { env } from "cloudflare:test";
+import { beforeEach, describe, expect, it, vi } from "vitest";
 
-import app from "~/index";
-import { server } from "~/mocks";
-
-server.listen();
+// Mock useMockData
+vi.mock("~/libs/useMockData", () => ({ useMockData: () => false }));
 
 describe('requests the "/episodes/:id/url" route', () => {
+  let app: typeof import("../../../src/index").app;
+  let fetchEpisodes: any;
+
+  beforeEach(async () => {
+    vi.resetModules();
+
+    vi.doMock("../getByAniListId", async (importOriginal) => {
+      const actual = await importOriginal<any>();
+      return {
+        ...actual,
+        fetchEpisodes: vi.fn(),
+      };
+    });
+
+    // Mock aniwatch initially as empty mock
+    vi.doMock("./aniwatch", () => ({ getSourcesFromAniwatch: vi.fn() }));
+
+    app = (await import("~/index")).app;
+    fetchEpisodes = (await import("../getByAniListId")).fetchEpisodes;
+  });
+
   it("with sources from Aniwatch", async () => {
+    vi.mocked(fetchEpisodes).mockResolvedValue([{ id: "ep1", number: 1 }]);
+
+    const mockSource = {
+      source:
+        "https://www032.vipanicdn.net/streamhls/aa804a2400535d84dd59454b28d329fb/ep.1.1712504065.m3u8",
+      subtitles: [],
+      audio: [],
+    };
+
+    // Since controller uses dynamic import, doMock SHOULD affect it if we set it up before the call
+    // Wait, doMock inside test block might be tricky if we don't re-import the module using it?
+    // BUT the controller uses `import("./aniwatch")`, causing a fresh import (if cache invalid?)
+    // Or if `vi.doMock` updates the registry.
+    // In Vitest, doMock updates the registry for NEXT imports.
+    // So `import("./aniwatch")` should pick it up.
+
+    vi.doMock("./aniwatch", () => ({
+      getSourcesFromAniwatch: vi.fn().mockResolvedValue(mockSource),
+    }));
+
     const response = await app.request(
       "/episodes/4/url",
       {
@@ -16,32 +56,40 @@ describe('requests the "/episodes/:id/url" route', () => {
         }),
         headers: { "Content-Type": "application/json" },
       },
-      {
-        ENABLE_ANIFY: "true",
-      },
+      env,
     );
 
-    expect(response.json()).resolves.toEqual({
+    const json = await response.json();
+    expect(json).toEqual({
       success: true,
-      result: {
-        source:
-          "https://www032.vipanicdn.net/streamhls/aa804a2400535d84dd59454b28d329fb/ep.1.1712504065.m3u8",
-        subtitles: [],
-        audio: [],
-      },
+      result: mockSource,
     });
   });
 
   it("with no URL from Aniwatch source", async () => {
-    const response = await app.request("/episodes/-1/url", {
-      method: "POST",
-      body: JSON.stringify({
-        episodeNumber: -1,
-      }),
-      headers: { "Content-Type": "application/json" },
-    });
+    vi.mocked(fetchEpisodes).mockResolvedValue([{ id: "ep1", number: 1 }]);
 
-    expect(response.json()).resolves.toEqual({ success: false });
+    // Make mock return null
+    vi.doMock("./aniwatch", () => ({
+      getSourcesFromAniwatch: vi.fn().mockResolvedValue(null),
+    }));
+
+    const response = await app.request(
+      "/episodes/4/url",
+      {
+        method: "POST",
+        body: JSON.stringify({
+          episodeNumber: 1, // Exists in episodes, but source returns null
+        }),
+        headers: { "Content-Type": "application/json" },
+      },
+      env,
+    );
+
+    const json = await response.json();
+    expect(json).toEqual({
+      success: false,
+    });
     expect(response.status).toBe(404);
   });
 });