univ-conv/lib/__tests__/largefile.spec.js

The universal binary and text converter

import { createWriteStream, rmSync, statSync } from "fs";
import { tmpdir } from "os";
import { join } from "path";
import { getUnivConv } from "../UnivConv";
const source = Buffer.alloc(1000 * 1024);
let c;
it("initialize", async () => {
    c = (await getUnivConv());
});
it("readable to uint8array", async () => {
    const readable = await c.convert("readable", source);
    const buffer = await c.convert("uint8array", readable);
    expect(source.byteLength).toBe(buffer.byteLength);
});
it("pipe readable", async () => {
    const readable = await c.convert("readable", source);
    const outPath = join(tmpdir(), `univ-fs-${Date.now()}.jpg`);
    const writable = createWriteStream(outPath);
    await c.pipe(readable, writable);
    const dstStats = statSync(outPath);
    rmSync(outPath);
    expect(dstStats.size).toBe(source.byteLength);
});
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