mirror of
https://github.com/denoland/deno.git
synced 2024-12-27 09:39:08 -05:00
115 lines
3.1 KiB
TypeScript
115 lines
3.1 KiB
TypeScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
|
|
import { assert, assertEquals, assertStringIncludes } from "./test_util.ts";
|
|
import { concat } from "../../../test_util/std/bytes/concat.ts";
|
|
|
|
Deno.test(function blobString() {
|
|
const b1 = new Blob(["Hello World"]);
|
|
const str = "Test";
|
|
const b2 = new Blob([b1, str]);
|
|
assertEquals(b2.size, b1.size + str.length);
|
|
});
|
|
|
|
Deno.test(function blobBuffer() {
|
|
const buffer = new ArrayBuffer(12);
|
|
const u8 = new Uint8Array(buffer);
|
|
const f1 = new Float32Array(buffer);
|
|
const b1 = new Blob([buffer, u8]);
|
|
assertEquals(b1.size, 2 * u8.length);
|
|
const b2 = new Blob([b1, f1]);
|
|
assertEquals(b2.size, 3 * u8.length);
|
|
});
|
|
|
|
Deno.test(function blobSlice() {
|
|
const blob = new Blob(["Deno", "Foo"]);
|
|
const b1 = blob.slice(0, 3, "Text/HTML");
|
|
assert(b1 instanceof Blob);
|
|
assertEquals(b1.size, 3);
|
|
assertEquals(b1.type, "text/html");
|
|
const b2 = blob.slice(-1, 3);
|
|
assertEquals(b2.size, 0);
|
|
const b3 = blob.slice(100, 3);
|
|
assertEquals(b3.size, 0);
|
|
const b4 = blob.slice(0, 10);
|
|
assertEquals(b4.size, blob.size);
|
|
});
|
|
|
|
Deno.test(function blobInvalidType() {
|
|
const blob = new Blob(["foo"], {
|
|
type: "\u0521",
|
|
});
|
|
|
|
assertEquals(blob.type, "");
|
|
});
|
|
|
|
Deno.test(function blobShouldNotThrowError() {
|
|
let hasThrown = false;
|
|
|
|
try {
|
|
// deno-lint-ignore no-explicit-any
|
|
const options1: any = {
|
|
ending: "utf8",
|
|
hasOwnProperty: "hasOwnProperty",
|
|
};
|
|
const options2 = Object.create(null);
|
|
new Blob(["Hello World"], options1);
|
|
new Blob(["Hello World"], options2);
|
|
} catch {
|
|
hasThrown = true;
|
|
}
|
|
|
|
assertEquals(hasThrown, false);
|
|
});
|
|
|
|
/* TODO https://github.com/denoland/deno/issues/7540
|
|
Deno.test(function nativeEndLine() {
|
|
const options = {
|
|
ending: "native",
|
|
} as const;
|
|
const blob = new Blob(["Hello\nWorld"], options);
|
|
|
|
assertEquals(blob.size, Deno.build.os === "windows" ? 12 : 11);
|
|
});
|
|
*/
|
|
|
|
Deno.test(async function blobText() {
|
|
const blob = new Blob(["Hello World"]);
|
|
assertEquals(await blob.text(), "Hello World");
|
|
});
|
|
|
|
Deno.test(async function blobStream() {
|
|
const blob = new Blob(["Hello World"]);
|
|
const stream = blob.stream();
|
|
assert(stream instanceof ReadableStream);
|
|
const reader = stream.getReader();
|
|
let bytes = new Uint8Array();
|
|
const read = async (): Promise<void> => {
|
|
const { done, value } = await reader.read();
|
|
if (!done && value) {
|
|
bytes = concat(bytes, value);
|
|
return read();
|
|
}
|
|
};
|
|
await read();
|
|
const decoder = new TextDecoder();
|
|
assertEquals(decoder.decode(bytes), "Hello World");
|
|
});
|
|
|
|
Deno.test(async function blobArrayBuffer() {
|
|
const uint = new Uint8Array([102, 111, 111]);
|
|
const blob = new Blob([uint]);
|
|
assertEquals(await blob.arrayBuffer(), uint.buffer);
|
|
});
|
|
|
|
Deno.test(function blobConstructorNameIsBlob() {
|
|
const blob = new Blob();
|
|
assertEquals(blob.constructor.name, "Blob");
|
|
});
|
|
|
|
Deno.test(function blobCustomInspectFunction() {
|
|
const blob = new Blob();
|
|
assertEquals(
|
|
Deno.inspect(blob),
|
|
`Blob { size: 0, type: "" }`,
|
|
);
|
|
assertStringIncludes(Deno.inspect(Blob.prototype), "Blob");
|
|
});
|