gphotos-scraper/src/services/getPhotos.spec.ts

A tool to extract public url and metadata from shared album

import { beforeEach, describe, expect, it, vi } from "vitest";
import { apiClient } from "./axiosClient";
import { getPhotos } from "./getPhotos";

vi.mock("./axiosClient", () => ({
	apiClient: {
		post: vi.fn(),
	},
}));

describe("getPhotos", () => {
	beforeEach(() => {
		vi.clearAllMocks();
	});

	it("should return an empty array if parsing fails", async () => {
		(apiClient.post as any).mockResolvedValue({ data: "invalid json" });
		const photos = await getPhotos("test-key", ["id1"]);
		expect(photos).toEqual([]);
	});

	it("should parse valid photo data correctly", async () => {
		// RPCID must match "fDcn4b" from getPhotos.ts
		// The structure inside the stringified JSON must match:
		// [id, description, filename, createdAt, unknown, size, width, height]
		const innerJson1 = JSON.stringify([
			["Item1", null, "filename.jpg", 1234567890, null, 1024, 800, 600],
		]);
		const innerJson2 = JSON.stringify([
			["Item2", null, "image.png", 1234567890, null, 2048, 1920, 1080],
		]);

		const mockResponseData =
			`)]}'` +
			JSON.stringify([
				["w", "fDcn4b", innerJson1],
				["w", "fDcn4b", innerJson2],
			]);

		(apiClient.post as any).mockResolvedValue({ data: mockResponseData });

		const photos = await getPhotos("test-key", ["id1", "id2"]);

		expect(photos).toHaveLength(2);
		expect(photos[0]).toEqual({
			id: "Item1",
			url: "",
			description: null,
			filename: "filename.jpg",
			createdAt: 1234567890,
			size: 1024,
			width: 800,
			height: 600,
			mimeType: "image/jpeg",
		});
		expect(photos[1].mimeType).toBe("image/png");
	});

	it("should ignore items with incorrect RPCID", async () => {
		const mockResponseData = `)]}'
    [
      ["wrongID", "[]"]
    ]`;
		(apiClient.post as any).mockResolvedValue({ data: mockResponseData });
		const photos = await getPhotos("test-key", ["id1"]);
		expect(photos).toEqual([]);
	});
});