Jean-Luc Makiola
5ce3f92a78
- Replace Bun.write/mkdir with uploadImage() from storage.service - Remove uploadsDir parameter from fetchImageFromUrl - Update tests to mock storage service instead of checking filesystem
107 lines
2.8 KiB
TypeScript
107 lines
2.8 KiB
TypeScript
import {
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afterAll,
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beforeAll,
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beforeEach,
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describe,
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expect,
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it,
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mock,
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} from "bun:test";
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import type { Server } from "bun";
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// Mock the storage service before importing image service
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const mockUploadImage = mock(() => Promise.resolve());
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mock.module("../../src/server/services/storage.service", () => ({
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uploadImage: mockUploadImage,
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}));
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const { fetchImageFromUrl } = await import(
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"../../src/server/services/image.service.ts"
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);
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// 1x1 transparent PNG (smallest valid PNG)
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const TINY_PNG = new Uint8Array([
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0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a, 0x00, 0x00, 0x00, 0x0d,
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0x49, 0x48, 0x44, 0x52, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01,
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0x08, 0x06, 0x00, 0x00, 0x00, 0x1f, 0x15, 0xc4, 0x89, 0x00, 0x00, 0x00,
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0x0a, 0x49, 0x44, 0x41, 0x54, 0x78, 0x9c, 0x62, 0x00, 0x00, 0x00, 0x02,
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0x00, 0x01, 0xe2, 0x21, 0xbc, 0x33, 0x00, 0x00, 0x00, 0x00, 0x49, 0x45,
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0x4e, 0x44, 0xae, 0x42, 0x60, 0x82,
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]);
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let server: Server;
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let baseUrl: string;
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beforeAll(() => {
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server = Bun.serve({
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port: 0,
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fetch(req) {
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const url = new URL(req.url);
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if (url.pathname === "/image.png") {
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return new Response(TINY_PNG, {
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headers: { "Content-Type": "image/png" },
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});
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}
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if (url.pathname === "/page.html") {
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return new Response("<html></html>", {
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headers: { "Content-Type": "text/html" },
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});
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}
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return new Response("Not found", { status: 404 });
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},
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});
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baseUrl = `http://localhost:${server.port}`;
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});
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afterAll(() => {
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server.stop(true);
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});
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describe("Image Service", () => {
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beforeEach(() => {
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mockUploadImage.mockClear();
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});
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describe("fetchImageFromUrl", () => {
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it("fetches a valid image URL and uploads to storage", async () => {
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const imageUrl = `${baseUrl}/image.png`;
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const result = await fetchImageFromUrl(imageUrl);
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expect(result.filename).toMatch(/^\d+-[\w-]+\.png$/);
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expect(result.sourceUrl).toBe(imageUrl);
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// Verify uploadImage was called with correct args
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expect(mockUploadImage).toHaveBeenCalledTimes(1);
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const [buffer, filename, contentType] =
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mockUploadImage.mock.calls[0] as unknown[];
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expect(buffer).toBeInstanceOf(Buffer);
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expect(filename).toBe(result.filename);
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expect(contentType).toBe("image/png");
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});
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it("rejects non-image content type", async () => {
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await expect(
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fetchImageFromUrl(`${baseUrl}/page.html`),
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).rejects.toThrow("Invalid content type");
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});
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it("rejects invalid URL format", async () => {
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await expect(fetchImageFromUrl("not-a-url")).rejects.toThrow(
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"Invalid URL format",
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);
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});
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it("rejects non-HTTP protocols", async () => {
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await expect(
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fetchImageFromUrl("ftp://example.com/image.png"),
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).rejects.toThrow("URL must use HTTP or HTTPS");
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});
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it("rejects 404 responses", async () => {
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await expect(
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fetchImageFromUrl(`${baseUrl}/missing.jpg`),
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).rejects.toThrow("HTTP 404");
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});
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});
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});
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