diff options
Diffstat (limited to 'cli/tests/unit/io_test.ts')
-rw-r--r-- | cli/tests/unit/io_test.ts | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/cli/tests/unit/io_test.ts b/cli/tests/unit/io_test.ts deleted file mode 100644 index 04c9dab4b..000000000 --- a/cli/tests/unit/io_test.ts +++ /dev/null @@ -1,77 +0,0 @@ -// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license. -import { assertEquals } from "./test_util.ts"; -import { Buffer } from "@test_util/std/io/buffer.ts"; - -const DEFAULT_BUF_SIZE = 32 * 1024; - -type Spy = { calls: number }; - -function repeat(c: string, bytes: number): Uint8Array { - assertEquals(c.length, 1); - const ui8 = new Uint8Array(bytes); - ui8.fill(c.charCodeAt(0)); - return ui8; -} - -function spyRead(obj: Buffer): Spy { - const spy: Spy = { - calls: 0, - }; - - const orig = obj.read.bind(obj); - - obj.read = (p: Uint8Array): Promise<number | null> => { - spy.calls++; - return orig(p); - }; - - return spy; -} - -Deno.test(async function copyWithDefaultBufferSize() { - const xBytes = repeat("b", DEFAULT_BUF_SIZE); - const reader = new Buffer(xBytes.buffer as ArrayBuffer); - const write = new Buffer(); - - const readSpy = spyRead(reader); - - // deno-lint-ignore no-deprecated-deno-api - const n = await Deno.copy(reader, write); - - assertEquals(n, xBytes.length); - assertEquals(write.length, xBytes.length); - assertEquals(readSpy.calls, 2); // read with DEFAULT_BUF_SIZE bytes + read with 0 bytes -}); - -Deno.test(async function copyWithCustomBufferSize() { - const bufSize = 1024; - const xBytes = repeat("b", DEFAULT_BUF_SIZE); - const reader = new Buffer(xBytes.buffer as ArrayBuffer); - const write = new Buffer(); - - const readSpy = spyRead(reader); - - // deno-lint-ignore no-deprecated-deno-api - const n = await Deno.copy(reader, write, { bufSize }); - - assertEquals(n, xBytes.length); - assertEquals(write.length, xBytes.length); - assertEquals(readSpy.calls, DEFAULT_BUF_SIZE / bufSize + 1); -}); - -Deno.test({ permissions: { write: true } }, async function copyBufferToFile() { - const filePath = "test-file.txt"; - // bigger than max File possible buffer 16kb - const bufSize = 32 * 1024; - const xBytes = repeat("b", bufSize); - const reader = new Buffer(xBytes.buffer as ArrayBuffer); - const write = await Deno.open(filePath, { write: true, create: true }); - - // deno-lint-ignore no-deprecated-deno-api - const n = await Deno.copy(reader, write, { bufSize }); - - assertEquals(n, xBytes.length); - - write.close(); - await Deno.remove(filePath); -}); |