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denoland-deno/cli/tests/unit/response_test.ts
2024-01-01 19:58:21 +00:00

102 lines
3.1 KiB
TypeScript

// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import {
assert,
assertEquals,
assertStringIncludes,
assertThrows,
} from "./test_util.ts";
Deno.test(async function responseText() {
const response = new Response("hello world");
const textPromise = response.text();
assert(textPromise instanceof Promise);
const text = await textPromise;
assert(typeof text === "string");
assertEquals(text, "hello world");
});
Deno.test(async function responseArrayBuffer() {
const response = new Response(new Uint8Array([1, 2, 3]));
const arrayBufferPromise = response.arrayBuffer();
assert(arrayBufferPromise instanceof Promise);
const arrayBuffer = await arrayBufferPromise;
assert(arrayBuffer instanceof ArrayBuffer);
assertEquals(new Uint8Array(arrayBuffer), new Uint8Array([1, 2, 3]));
});
Deno.test(async function responseJson() {
const response = new Response('{"hello": "world"}');
const jsonPromise = response.json();
assert(jsonPromise instanceof Promise);
const json = await jsonPromise;
assert(json instanceof Object);
assertEquals(json, { hello: "world" });
});
Deno.test(async function responseBlob() {
const response = new Response(new Uint8Array([1, 2, 3]));
const blobPromise = response.blob();
assert(blobPromise instanceof Promise);
const blob = await blobPromise;
assert(blob instanceof Blob);
assertEquals(blob.size, 3);
assertEquals(await blob.arrayBuffer(), new Uint8Array([1, 2, 3]).buffer);
});
Deno.test(async function responseFormData() {
const input = new FormData();
input.append("hello", "world");
const response = new Response(input);
const contentType = response.headers.get("content-type")!;
assert(contentType.startsWith("multipart/form-data"));
const formDataPromise = response.formData();
assert(formDataPromise instanceof Promise);
const formData = await formDataPromise;
assert(formData instanceof FormData);
assertEquals([...formData], [...input]);
});
Deno.test(function responseInvalidInit() {
// deno-lint-ignore ban-ts-comment
// @ts-expect-error
assertThrows(() => new Response("", 0));
assertThrows(() => new Response("", { status: 0 }));
// deno-lint-ignore ban-ts-comment
// @ts-expect-error
assertThrows(() => new Response("", { status: null }));
});
Deno.test(function responseNullInit() {
// deno-lint-ignore ban-ts-comment
// @ts-expect-error
const response = new Response("", null);
assertEquals(response.status, 200);
});
Deno.test(function customInspectFunction() {
const response = new Response();
assertEquals(
Deno.inspect(response),
`Response {
body: null,
bodyUsed: false,
headers: Headers {},
ok: true,
redirected: false,
status: 200,
statusText: "",
url: ""
}`,
);
assertStringIncludes(Deno.inspect(Response.prototype), "Response");
});
Deno.test(async function responseBodyUsed() {
const response = new Response("body");
assert(!response.bodyUsed);
await response.text();
assert(response.bodyUsed);
// .body getter is needed so we can test the faulty code path
response.body;
assert(response.bodyUsed);
});