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author | Sanskar Gauchan <62867497+Sanskar531@users.noreply.github.com> | 2023-03-19 21:37:00 +1100 |
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committer | GitHub <noreply@github.com> | 2023-03-19 19:37:00 +0900 |
commit | 472c06b92ebec396559a494502c9438678a49cac (patch) | |
tree | a41372910ba7be037a62e2f8058867b51a7ec531 /cli/tests/unit_node/_fs/_fs_watch_test.ts | |
parent | 84fedabab3cc86a025f9885f0a057cfd06b31f92 (diff) |
test(ext/node): add _fs_access_test.ts and _fs_watch_test.ts (#18249)
part of https://github.com/denoland/deno/issues/17840
Diffstat (limited to 'cli/tests/unit_node/_fs/_fs_watch_test.ts')
-rw-r--r-- | cli/tests/unit_node/_fs/_fs_watch_test.ts | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/cli/tests/unit_node/_fs/_fs_watch_test.ts b/cli/tests/unit_node/_fs/_fs_watch_test.ts new file mode 100644 index 000000000..2316b2db3 --- /dev/null +++ b/cli/tests/unit_node/_fs/_fs_watch_test.ts @@ -0,0 +1,27 @@ +// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license. +import { watch } from "node:fs"; +import { assertEquals } from "../../../../test_util/std/testing/asserts.ts"; + +function wait(time: number) { + return new Promise((resolve) => { + setTimeout(resolve, time); + }); +} + +Deno.test({ + name: "watching a file", + async fn() { + const file = Deno.makeTempFileSync(); + const result: Array<[string, string]> = []; + const watcher = watch( + file, + (eventType, filename) => result.push([eventType, filename]), + ); + await wait(100); + Deno.writeTextFileSync(file, "something"); + await wait(100); + watcher.close(); + await wait(100); + assertEquals(result.length >= 1, true); + }, +}); |