import { earlyZipReadableStreams, mergeReadableStreams, zipReadableStreams,} from "./merge.ts";import { assertEquals } from "../testing/asserts.ts";
Deno.test("[streams] mergeReadableStreams", async () => { const textStream = new ReadableStream<string>({ start(controller) { controller.enqueue("qwertzuiopasd"); controller.enqueue("mnbvcxylkjhgfds"); controller.enqueue("apoiuztrewq0987654321"); controller.close(); }, });
const textStream2 = new ReadableStream<string>({ start(controller) { controller.enqueue("mnbvcxylkjhgfds"); controller.enqueue("apoiuztrewq0987654321"); controller.enqueue("qwertzuiopasd"); controller.close(); }, });
const buf = []; for await (const s of mergeReadableStreams(textStream, textStream2)) { buf.push(s); }
assertEquals(buf.sort(), [ "apoiuztrewq0987654321", "apoiuztrewq0987654321", "mnbvcxylkjhgfds", "mnbvcxylkjhgfds", "qwertzuiopasd", "qwertzuiopasd", ]);});
Deno.test("[streams] zipReadableStreams", async () => { const textStream = new ReadableStream<string>({ start(controller) { controller.enqueue("qwertzuiopasd"); controller.enqueue("mnbvcxylkjhgfds"); controller.enqueue("apoiuztrewq0987321"); controller.close(); }, });
const textStream2 = new ReadableStream<string>({ start(controller) { controller.enqueue("mnbvcxylkjhgfdsewr"); controller.enqueue("apoiuztrewq0987654321"); controller.enqueue("qwertzuiopasq123d"); controller.close(); }, });
const buf = []; for await (const s of zipReadableStreams(textStream, textStream2)) { buf.push(s); }
assertEquals(buf, [ "qwertzuiopasd", "mnbvcxylkjhgfdsewr", "mnbvcxylkjhgfds", "apoiuztrewq0987654321", "apoiuztrewq0987321", "qwertzuiopasq123d", ]);});
Deno.test("[streams] earlyZipReadableStreams short first", async () => { const textStream = new ReadableStream<string>({ start(controller) { controller.enqueue("1"); controller.enqueue("2"); controller.enqueue("3"); controller.close(); }, });
const textStream2 = new ReadableStream<string>({ start(controller) { controller.enqueue("a"); controller.enqueue("b"); controller.enqueue("c"); controller.enqueue("d"); controller.enqueue("e"); controller.close(); }, });
const buf = []; for await (const s of earlyZipReadableStreams(textStream, textStream2)) { buf.push(s); }
assertEquals(buf, [ "1", "a", "2", "b", "3", "c", ]);});
Deno.test("[streams] earlyZipReadableStreams long first", async () => { const textStream = new ReadableStream<string>({ start(controller) { controller.enqueue("a"); controller.enqueue("b"); controller.enqueue("c"); controller.enqueue("d"); controller.enqueue("e"); controller.close(); }, });
const textStream2 = new ReadableStream<string>({ start(controller) { controller.enqueue("1"); controller.enqueue("2"); controller.enqueue("3"); controller.close(); }, });
const buf = []; for await (const s of earlyZipReadableStreams(textStream, textStream2)) { buf.push(s); }
assertEquals(buf, [ "a", "1", "b", "2", "c", "3", "d", ]);});