import { beforeEach, describe, expect, it, vi } from "vite-plus/test";import { PROVIDER_SEND_TURN_MAX_ATTACHMENTS } from "@t3tools/contracts"; const files = new Map<string, { base64: string; deleted: boolean }>(); vi.mock("expo-file-system", () => ({  File: class {    readonly uri: string;     constructor(uri: string) {      this.uri = uri;    }     get exists(): boolean {      return files.has(this.uri) && files.get(this.uri)?.deleted === false;    }     async base64(): Promise<string> {      const entry = files.get(this.uri);      if (!entry || entry.deleted) {        throw new Error("missing file");      }      return entry.base64;    }     delete(): void {      const entry = files.get(this.uri);      if (entry) {        entry.deleted = true;      }    }  },})); vi.mock("./uuid", () => ({  uuidv4: () => "attachment-id",})); import {  convertPastedImagesToAttachments,  isOwnedPastedImageUri,  toUploadChatImageAttachments,} from "./composerImages"; describe("toUploadChatImageAttachments", () => {  it("strips client draft id and previewUri for the startTurn wire shape", () => {    expect(      toUploadChatImageAttachments([        {          id: "client-draft-id",          type: "image",          name: "pasted-image.png",          mimeType: "image/png",          sizeBytes: 12,          dataUrl: "data:image/png;base64,AA==",          previewUri: "file:///tmp/preview.png",        },      ]),    ).toEqual([      {        type: "image",        name: "pasted-image.png",        mimeType: "image/png",        sizeBytes: 12,        dataUrl: "data:image/png;base64,AA==",      },    ]);  });}); describe("native pasted image cleanup", () => {  beforeEach(() => {    files.clear();  });   it("recognizes only files created in the native composer paste directory", () => {    expect(      isOwnedPastedImageUri(        "file:///private/var/mobile/Containers/Data/Application/app/tmp/t3-composer-paste/id.png",      ),    ).toBe(true);    expect(isOwnedPastedImageUri("file:///private/var/mobile/photos/id.png")).toBe(false);    expect(isOwnedPastedImageUri("https://example.com/t3-composer-paste/id.png")).toBe(false);  });   it("converts owned files to data-backed previews and deletes the source", async () => {    const uri =      "file:///private/var/mobile/Containers/Data/Application/app/tmp/t3-composer-paste/id.png";    files.set(uri, { base64: "aGVsbG8=", deleted: false });     const attachments = await convertPastedImagesToAttachments({      uris: [uri],      existingCount: 0,    });     expect(attachments).toEqual([      expect.objectContaining({        dataUrl: "data:image/png;base64,aGVsbG8=",        previewUri: "data:image/png;base64,aGVsbG8=",      }),    ]);    expect(files.get(uri)?.deleted).toBe(true);  });   it("deletes rejected and overflow owned files without deleting user-owned files", async () => {    const rejected =      "file:///private/var/mobile/Containers/Data/Application/app/tmp/t3-composer-paste/bad.png";    const overflow =      "file:///private/var/mobile/Containers/Data/Application/app/tmp/t3-composer-paste/overflow.png";    const userOwned = "file:///private/var/mobile/photos/library.png";    files.set(rejected, { base64: "", deleted: false });    files.set(overflow, { base64: "aGVsbG8=", deleted: false });    files.set(userOwned, { base64: "aGVsbG8=", deleted: false });     await convertPastedImagesToAttachments({      uris: [rejected, overflow, userOwned],      existingCount: PROVIDER_SEND_TURN_MAX_ATTACHMENTS - 1,    });     expect(files.get(rejected)?.deleted).toBe(true);    expect(files.get(overflow)?.deleted).toBe(true);    expect(files.get(userOwned)?.deleted).toBe(false);  });});