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denoland-deno/cli/tests/unit/file_test.ts
Luca Casonato bdc8006a36
feat(runtime): web streams in fs & net APIs (#13615)
This commit adds `readable` and `writable` properties to `Deno.File` and
`Deno.Conn`. This makes it very simple to use files and network sockets
with fetch or the native HTTP server.
2022-02-15 13:35:22 +01:00

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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
import { assert, assertEquals } from "./test_util.ts";
// deno-lint-ignore no-explicit-any
function testFirstArgument(arg1: any[], expectedSize: number) {
const file = new File(arg1, "name");
assert(file instanceof File);
assertEquals(file.name, "name");
assertEquals(file.size, expectedSize);
assertEquals(file.type, "");
}
Deno.test(function fileEmptyFileBits() {
testFirstArgument([], 0);
});
Deno.test(function fileStringFileBits() {
testFirstArgument(["bits"], 4);
});
Deno.test(function fileUnicodeStringFileBits() {
testFirstArgument(["𝓽𝓮𝔁𝓽"], 16);
});
Deno.test(function fileStringObjectFileBits() {
testFirstArgument([new String("string object")], 13);
});
Deno.test(function fileEmptyBlobFileBits() {
testFirstArgument([new Blob()], 0);
});
Deno.test(function fileBlobFileBits() {
testFirstArgument([new Blob(["bits"])], 4);
});
Deno.test(function fileEmptyFileFileBits() {
testFirstArgument([new File([], "world.txt")], 0);
});
Deno.test(function fileFileFileBits() {
testFirstArgument([new File(["bits"], "world.txt")], 4);
});
Deno.test(function fileArrayBufferFileBits() {
testFirstArgument([new ArrayBuffer(8)], 8);
});
Deno.test(function fileTypedArrayFileBits() {
testFirstArgument([new Uint8Array([0x50, 0x41, 0x53, 0x53])], 4);
});
Deno.test(function fileVariousFileBits() {
testFirstArgument(
[
"bits",
new Blob(["bits"]),
new Blob(),
new Uint8Array([0x50, 0x41]),
new Uint16Array([0x5353]),
new Uint32Array([0x53534150]),
],
16,
);
});
Deno.test(function fileNumberInFileBits() {
testFirstArgument([12], 2);
});
Deno.test(function fileArrayInFileBits() {
testFirstArgument([[1, 2, 3]], 5);
});
Deno.test(function fileObjectInFileBits() {
// "[object Object]"
testFirstArgument([{}], 15);
});
// deno-lint-ignore no-explicit-any
function testSecondArgument(arg2: any, expectedFileName: string) {
const file = new File(["bits"], arg2);
assert(file instanceof File);
assertEquals(file.name, expectedFileName);
}
Deno.test(function fileUsingFileName() {
testSecondArgument("dummy", "dummy");
});
Deno.test(function fileUsingNullFileName() {
testSecondArgument(null, "null");
});
Deno.test(function fileUsingNumberFileName() {
testSecondArgument(1, "1");
});
Deno.test(function fileUsingEmptyStringFileName() {
testSecondArgument("", "");
});