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31 lines
1 KiB
TypeScript
31 lines
1 KiB
TypeScript
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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// deno-lint-ignore-file no-explicit-any
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import { assert } from "../../../test_util/std/testing/asserts.ts";
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import { isatty } from "node:tty";
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Deno.test("[node/tty isatty] returns true when fd is a tty, false otherwise", () => {
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assert(Deno.isatty(Deno.stdin.rid) === isatty(Deno.stdin.rid));
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assert(Deno.isatty(Deno.stdout.rid) === isatty(Deno.stdout.rid));
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assert(Deno.isatty(Deno.stderr.rid) === isatty(Deno.stderr.rid));
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const file = Deno.openSync("README.md");
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assert(!isatty(file.rid));
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Deno.close(file.rid);
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});
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Deno.test("[node/tty isatty] returns false for irrelevant values", () => {
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// invalid numeric fd
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assert(!isatty(1234567));
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// TODO(kt3k): Enable this test when the below issue resolved
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// https://github.com/denoland/deno/issues/14398
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// assert(!isatty(-1));
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// invalid type fd
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assert(!isatty("abc" as any));
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assert(!isatty({} as any));
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assert(!isatty([] as any));
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assert(!isatty(null as any));
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assert(!isatty(undefined as any));
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});
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