1 files changed, 86 insertions, 0 deletions
diff --git a/tests/unit_node/_fs/_fs_mkdtemp_test.ts b/tests/unit_node/_fs/_fs_mkdtemp_test.ts
new file mode 100644
index 000000000..9f8975113
--- /dev/null
+++ b/tests/unit_node/_fs/_fs_mkdtemp_test.ts
@@ -0,0 +1,86 @@
+// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
+import {
+  assert,
+  assertRejects,
+  assertThrows,
+} from "@test_util/std/assert/mod.ts";
+import { EncodingOption, existsSync, mkdtemp, mkdtempSync } from "node:fs";
+import { env } from "node:process";
+import { promisify } from "node:util";
+
+const prefix = Deno.build.os === "windows"
+  ? env.TEMP + "\\"
+  : (env.TMPDIR || "/tmp") + "/";
+const doesNotExists = "/does/not/exists/";
+const options: EncodingOption = { encoding: "ascii" };
+const badOptions = { encoding: "bogus" };
+
+const mkdtempP = promisify(mkdtemp);
+
+Deno.test({
+  name: "[node/fs] mkdtemp",
+  fn: async () => {
+    const directory = await mkdtempP(prefix);
+    assert(existsSync(directory));
+    Deno.removeSync(directory);
+  },
+});
+
+Deno.test({
+  name: "[node/fs] mkdtemp (does not exists)",
+  fn: async () => {
+    await assertRejects(() => mkdtempP(doesNotExists));
+  },
+});
+
+Deno.test({
+  name: "[node/fs] mkdtemp (with options)",
+  fn: async () => {
+    const directory = await mkdtempP(prefix, options);
+    assert(existsSync(directory));
+    Deno.removeSync(directory);
+  },
+});
+
+Deno.test({
+  name: "[node/fs] mkdtemp (with bad options)",
+  fn: async () => {
+    // @ts-expect-error No overload matches this call
+    await assertRejects(() => mkdtempP(prefix, badOptions));
+  },
+});
+
+Deno.test({
+  name: "[node/fs] mkdtempSync",
+  fn: () => {
+    const directory = mkdtempSync(prefix);
+    const dirExists = existsSync(directory);
+    Deno.removeSync(directory);
+    assert(dirExists);
+  },
+});
+
+Deno.test({
+  name: "[node/fs] mkdtempSync (does not exists)",
+  fn: () => {
+    assertThrows(() => mkdtempSync(doesNotExists));
+  },
+});
+
+Deno.test({
+  name: "[node/fs] mkdtempSync (with options)",
+  fn: () => {
+    const directory = mkdtempSync(prefix, options);
+    const dirExists = existsSync(directory);
+    Deno.removeSync(directory);
+    assert(dirExists);
+  },
+});
+
+Deno.test({
+  name: "[node/fs] mkdtempSync (with bad options)",
+  fn: () => {
+    // @ts-expect-error No overload matches this call
+    assertThrows(() => mkdtempSync(prefix, badOptions));
+  },
+});