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denoland-deno/cli/tests/unit/body_test.ts

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// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
import { assert, assertEquals, unitTest } from "./test_util.ts";
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// just a hack to get a body object
// deno-lint-ignore no-explicit-any
function buildBody(body: any, headers?: Headers): Body {
const stub = new Request("http://foo/", {
body: body,
headers,
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});
return stub as Body;
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}
const intArrays = [
Int8Array,
Int16Array,
Int32Array,
Uint8Array,
Uint16Array,
Uint32Array,
Uint8ClampedArray,
Float32Array,
Float64Array,
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];
unitTest(async function arrayBufferFromByteArrays(): Promise<void> {
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const buffer = new TextEncoder().encode("ahoyhoy8").buffer;
for (const type of intArrays) {
const body = buildBody(new type(buffer));
const text = new TextDecoder("utf-8").decode(await body.arrayBuffer());
assertEquals(text, "ahoyhoy8");
}
});
//FormData
unitTest(
{ perms: { net: true } },
async function bodyMultipartFormData(): Promise<void> {
const response = await fetch(
"http://localhost:4545/multipart_form_data.txt",
);
assert(response.body instanceof ReadableStream);
const text = await response.text();
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const body = buildBody(text, response.headers);
const formData = await body.formData();
assert(formData.has("field_1"));
assertEquals(formData.get("field_1")!.toString(), "value_1 \r\n");
assert(formData.has("field_2"));
},
);
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unitTest(
{ perms: { net: true } },
async function bodyURLEncodedFormData(): Promise<void> {
const response = await fetch(
"http://localhost:4545/cli/tests/subdir/form_urlencoded.txt",
);
assert(response.body instanceof ReadableStream);
const text = await response.text();
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const body = buildBody(text, response.headers);
const formData = await body.formData();
assert(formData.has("field_1"));
assertEquals(formData.get("field_1")!.toString(), "Hi");
assert(formData.has("field_2"));
assertEquals(formData.get("field_2")!.toString(), "<Deno>");
},
);
unitTest({ perms: {} }, async function bodyURLSearchParams(): Promise<void> {
const body = buildBody(new URLSearchParams({ hello: "world" }));
const text = await body.text();
assertEquals(text, "hello=world");
});
unitTest(async function bodyArrayBufferMultipleParts(): Promise<void> {
const parts: Uint8Array[] = [];
let size = 0;
for (let i = 0; i <= 150000; i++) {
const part = new Uint8Array([1]);
parts.push(part);
size += part.length;
}
let offset = 0;
const stream = new ReadableStream({
pull(controller): void {
// parts.shift() takes forever: https://github.com/denoland/deno/issues/5259
const chunk = parts[offset++];
if (!chunk) return controller.close();
controller.enqueue(chunk);
},
});
const body = buildBody(stream);
assertEquals((await body.arrayBuffer()).byteLength, size);
});