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9c3c53e65b
This commit improves docs of the streams module. Towards #3764 --------- Co-authored-by: Yoshiya Hinosawa <stibium121@gmail.com>
36 lines
840 B
TypeScript
36 lines
840 B
TypeScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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import { assertEquals, assertRejects } from "@std/assert";
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import { LimitedTransformStream } from "./limited_transform_stream.ts";
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Deno.test("LimitedTransformStream", async function () {
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const r = ReadableStream.from([
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"foo",
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"foo",
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"foo",
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"foo",
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"foo",
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"foo",
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]).pipeThrough(new LimitedTransformStream(3));
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const chunks = await Array.fromAsync(r);
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assertEquals(chunks, [
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"foo",
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"foo",
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"foo",
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]);
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});
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Deno.test("LimitedTransformStream handles error", async function () {
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const r = ReadableStream.from([
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"foo",
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"foo",
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"foo",
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"foo",
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"foo",
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"foo",
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]).pipeThrough(new LimitedTransformStream(3, { error: true }));
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await assertRejects(async () => await Array.fromAsync(r), RangeError);
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});
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