Files
digitalcatalog/tests/server/storage.test.ts
T

49 lines
1.4 KiB
TypeScript

import fs from "node:fs/promises";
import os from "node:os";
import path from "node:path";
import { afterEach, describe, expect, it } from "vitest";
import {
deleteCatalogFiles,
readPage,
saveCatalogPages,
StorageError,
} from "../../server/storage";
import { TINY_JPEG, TINY_PNG } from "./helpers";
const temps: string[] = [];
async function tempDir() {
const dir = await fs.mkdtemp(path.join(os.tmpdir(), "dc-storage-"));
temps.push(dir);
return dir;
}
afterEach(async () => {
await Promise.all(temps.splice(0).map((dir) => fs.rm(dir, { recursive: true, force: true })));
});
describe("saveCatalogPages", () => {
it("writes numbered jpegs and can read them back", async () => {
const dir = await tempDir();
await saveCatalogPages(dir, "abc", [TINY_JPEG, TINY_JPEG]);
const page1 = await readPage(dir, "abc", 1);
expect(page1.equals(TINY_JPEG)).toBe(true);
const page2 = await readPage(dir, "abc", 2);
expect(page2.equals(TINY_JPEG)).toBe(true);
});
it("rejects non-jpeg pages", async () => {
const dir = await tempDir();
await expect(saveCatalogPages(dir, "abc", [TINY_PNG])).rejects.toBeInstanceOf(
StorageError,
);
});
it("deletes files so later reads fail", async () => {
const dir = await tempDir();
await saveCatalogPages(dir, "abc", [TINY_JPEG]);
await deleteCatalogFiles(dir, "abc");
await expect(readPage(dir, "abc", 1)).rejects.toBeInstanceOf(StorageError);
});
});