83 lines
2.7 KiB
TypeScript
83 lines
2.7 KiB
TypeScript
import { readAll } from "https://deno.land/std@0.191.0/streams/read_all.ts";
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import { assertEquals } from "https://deno.land/std/testing/asserts.ts";
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import { AsyncIterableReader } from "../src/utils.ts";
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import { randomNumbers, range } from "./utils.ts";
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Deno.test("AsyncIterableReader", async (t) => {
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async function* miniSource(){
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yield Promise.resolve(new Uint8Array([1, 2, 3]));
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yield Promise.resolve(new Uint8Array([4, 5, 6, 7]));
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yield Promise.resolve(new Uint8Array([8, 9]));
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}
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async function* largeSource(size: number): AsyncIterable<Uint8Array>{
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let val = 0
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const random = randomNumbers(77, size / 4);
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while(val < size){
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const newVal = Math.min(val + random.next().value, size);
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// console.log(range(val, newVal));
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console.log("<<<<<<<<<<<<<<<<< " + newVal + "/" + size + " ( " + (newVal - val) )
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yield Promise.resolve(new Uint8Array(range(val, newVal)));
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val = newVal;
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}
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yield Promise.resolve(new Uint8Array([9]));
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console.log(">>>>>>>>>>>>>>>>>>>>>>> ");
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console.log(">>>>>>>>>>>>>>>>>>>>>>> ");
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console.log(">>>>>>>>>>>>>>>>>>>>>>> ");
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console.log(">>>>>>>>>>>>>>>>>>>>>>> ");
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}
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// await t.step('read all mini source', async () => {
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// const reader = new AsyncIterableReader(miniSource());
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// const expt = new Uint8Array([1, 2 ,3 ,4 ,5, 6,7,8,9])
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// assertEquals(await readAll(reader), expt);
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// });
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await t.step('largeSource', async () =>{
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const source = largeSource(32920);
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for await(const _piece of source){
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//
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}
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});
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await t.step('read all large source', async () => {
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// for(let i = 101; i < (32 * 1024 * 50 + 101); i += 1){
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let n = 32 * 1024 * 50 + 101 // 32920; //32 * 1024 * 2;
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n = 32919
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const reader = new AsyncIterableReader(largeSource(n));
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const ret = await readAll(reader);
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assertEquals(ret.length, n);
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// }
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});
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});
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// <<<<<<<<<<<<<<<<< 5137/32920
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// <<<<<<<<<<<<<<<<< 11593/32920
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// <<<<<<<<<<<<<<<<< 12563/32920
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// <<<<<<<<<<<<<<<<< 15976/32920
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// <<<<<<<<<<<<<<<<< 19155/32920
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// <<<<<<<<<<<<<<<<< 20038/32920
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// <<<<<<<<<<<<<<<<< 26452/32920
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// <<<<<<<<<<<<<<<<< 31797/32920
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// <<<<<<<<<<<<<<<<< 31994/32920
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// <<<<<<<<<<<<<<<<< 32912/32920
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// <<<<<<<<<<<<<<<<< 32920/32920
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// <<<<<<<<<<<<<<<<< 5137/32920
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// <<<<<<<<<<<<<<<<< 11593/32920
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// <<<<<<<<<<<<<<<<< 12563/32920
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// <<<<<<<<<<<<<<<<< 15976/32920
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// <<<<<<<<<<<<<<<<< 19155/32920
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// <<<<<<<<<<<<<<<<< 20038/32920
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// <<<<<<<<<<<<<<<<< 26452/32920
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// <<<<<<<<<<<<<<<<< 31797/32920
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// <<<<<<<<<<<<<<<<< 31994/32920
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