1 files changed, 235 insertions, 0 deletions
diff --git a/tests/unit/mkdir_test.ts b/tests/unit/mkdir_test.ts
new file mode 100644
index 000000000..0948a1a84
--- /dev/null
+++ b/tests/unit/mkdir_test.ts
@@ -0,0 +1,235 @@
+// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
+import {
+  assert,
+  assertEquals,
+  assertRejects,
+  assertThrows,
+  pathToAbsoluteFileUrl,
+} from "./test_util.ts";
+
+function assertDirectory(path: string, mode?: number) {
+  const info = Deno.lstatSync(path);
+  assert(info.isDirectory);
+  if (Deno.build.os !== "windows" && mode !== undefined) {
+    assertEquals(info.mode! & 0o777, mode & ~Deno.umask());
+  }
+}
+
+Deno.test(
+  { permissions: { read: true, write: true } },
+  function mkdirSyncSuccess() {
+    const path = Deno.makeTempDirSync() + "/dir";
+    Deno.mkdirSync(path);
+    assertDirectory(path);
+  },
+);
+
+Deno.test(
+  { permissions: { read: true, write: true } },
+  function mkdirSyncMode() {
+    const path = Deno.makeTempDirSync() + "/dir";
+    Deno.mkdirSync(path, { mode: 0o737 });
+    assertDirectory(path, 0o737);
+  },
+);
+
+Deno.test({ permissions: { write: false } }, function mkdirSyncPerm() {
+  assertThrows(() => {
+    Deno.mkdirSync("/baddir");
+  }, Deno.errors.PermissionDenied);
+});
+
+Deno.test(
+  { permissions: { read: true, write: true } },
+  async function mkdirSuccess() {
+    const path = Deno.makeTempDirSync() + "/dir";
+    await Deno.mkdir(path);
+    assertDirectory(path);
+  },
+);
+
+Deno.test(
+  { permissions: { read: true, write: true } },
+  async function mkdirMode() {
+    const path = Deno.makeTempDirSync() + "/dir";
+    await Deno.mkdir(path, { mode: 0o737 });
+    assertDirectory(path, 0o737);
+  },
+);
+
+Deno.test({ permissions: { write: true } }, function mkdirErrSyncIfExists() {
+  assertThrows(
+    () => {
+      Deno.mkdirSync(".");
+    },
+    Deno.errors.AlreadyExists,
+    `mkdir '.'`,
+  );
+});
+
+Deno.test({ permissions: { write: true } }, async function mkdirErrIfExists() {
+  await assertRejects(
+    async () => {
+      await Deno.mkdir(".");
+    },
+    Deno.errors.AlreadyExists,
+    `mkdir '.'`,
+  );
+});
+
+Deno.test(
+  { permissions: { read: true, write: true } },
+  function mkdirSyncRecursive() {
+    const path = Deno.makeTempDirSync() + "/nested/directory";
+    Deno.mkdirSync(path, { recursive: true });
+    assertDirectory(path);
+  },
+);
+
+Deno.test(
+  { permissions: { read: true, write: true } },
+  async function mkdirRecursive() {
+    const path = Deno.makeTempDirSync() + "/nested/directory";
+    await Deno.mkdir(path, { recursive: true });
+    assertDirectory(path);
+  },
+);
+
+Deno.test(
+  { permissions: { read: true, write: true } },
+  function mkdirSyncRecursiveMode() {
+    const nested = Deno.makeTempDirSync() + "/nested";
+    const path = nested + "/dir";
+    Deno.mkdirSync(path, { mode: 0o737, recursive: true });
+    assertDirectory(path, 0o737);
+    assertDirectory(nested, 0o737);
+  },
+);
+
+Deno.test(
+  { permissions: { read: true, write: true } },
+  async function mkdirRecursiveMode() {
+    const nested = Deno.makeTempDirSync() + "/nested";
+    const path = nested + "/dir";
+    await Deno.mkdir(path, { mode: 0o737, recursive: true });
+    assertDirectory(path, 0o737);
+    assertDirectory(nested, 0o737);
+  },
+);
+
+Deno.test(
+  { permissions: { read: true, write: true } },
+  function mkdirSyncRecursiveIfExists() {
+    const path = Deno.makeTempDirSync() + "/dir";
+    Deno.mkdirSync(path, { mode: 0o737 });
+    Deno.mkdirSync(path, { recursive: true });
+    Deno.mkdirSync(path, { recursive: true, mode: 0o731 });
+    assertDirectory(path, 0o737);
+    if (Deno.build.os !== "windows") {
+      const pathLink = path + "Link";
+      Deno.symlinkSync(path, pathLink);
+      Deno.mkdirSync(pathLink, { recursive: true });
+      Deno.mkdirSync(pathLink, { recursive: true, mode: 0o731 });
+      assertDirectory(path, 0o737);
+    }
+  },
+);
+
+Deno.test(
+  { permissions: { read: true, write: true } },
+  async function mkdirRecursiveIfExists() {
+    const path = Deno.makeTempDirSync() + "/dir";
+    await Deno.mkdir(path, { mode: 0o737 });
+    await Deno.mkdir(path, { recursive: true });
+    await Deno.mkdir(path, { recursive: true, mode: 0o731 });
+    assertDirectory(path, 0o737);
+    if (Deno.build.os !== "windows") {
+      const pathLink = path + "Link";
+      Deno.symlinkSync(path, pathLink);
+      await Deno.mkdir(pathLink, { recursive: true });
+      await Deno.mkdir(pathLink, { recursive: true, mode: 0o731 });
+      assertDirectory(path, 0o737);
+    }
+  },
+);
+
+Deno.test(
+  { permissions: { read: true, write: true } },
+  function mkdirSyncErrors() {
+    const testDir = Deno.makeTempDirSync();
+    const emptydir = testDir + "/empty";
+    const fulldir = testDir + "/dir";
+    const file = fulldir + "/file";
+    Deno.mkdirSync(emptydir);
+    Deno.mkdirSync(fulldir);
+    Deno.createSync(file).close();
+
+    assertThrows(() => {
+      Deno.mkdirSync(emptydir, { recursive: false });
+    }, Deno.errors.AlreadyExists);
+    assertThrows(() => {
+      Deno.mkdirSync(fulldir, { recursive: false });
+    }, Deno.errors.AlreadyExists);
+    assertThrows(() => {
+      Deno.mkdirSync(file, { recursive: false });
+    }, Deno.errors.AlreadyExists);
+    assertThrows(() => {
+      Deno.mkdirSync(file, { recursive: true });
+    }, Deno.errors.AlreadyExists);
+
+    if (Deno.build.os !== "windows") {
+      const fileLink = testDir + "/fileLink";
+      const dirLink = testDir + "/dirLink";
+      const danglingLink = testDir + "/danglingLink";
+      Deno.symlinkSync(file, fileLink);
+      Deno.symlinkSync(emptydir, dirLink);
+      Deno.symlinkSync(testDir + "/nonexistent", danglingLink);
+
+      assertThrows(() => {
+        Deno.mkdirSync(dirLink, { recursive: false });
+      }, Deno.errors.AlreadyExists);
+      assertThrows(() => {
+        Deno.mkdirSync(fileLink, { recursive: false });
+      }, Deno.errors.AlreadyExists);
+      assertThrows(() => {
+        Deno.mkdirSync(fileLink, { recursive: true });
+      }, Deno.errors.AlreadyExists);
+      assertThrows(() => {
+        Deno.mkdirSync(danglingLink, { recursive: false });
+      }, Deno.errors.AlreadyExists);
+      assertThrows(() => {
+        Deno.mkdirSync(danglingLink, { recursive: true });
+      }, Deno.errors.AlreadyExists);
+    }
+  },
+);
+
+Deno.test(
+  { permissions: { read: true, write: true } },
+  function mkdirSyncRelativeUrlPath() {
+    const testDir = Deno.makeTempDirSync();
+    const nestedDir = testDir + "/nested";
+    // Add trailing slash so base path is treated as a directory. pathToAbsoluteFileUrl removes trailing slashes.
+    const path = new URL("../dir", pathToAbsoluteFileUrl(nestedDir) + "/");
+
+    Deno.mkdirSync(nestedDir);
+    Deno.mkdirSync(path);
+
+    assertDirectory(testDir + "/dir");
+  },
+);
+
+Deno.test(
+  { permissions: { read: true, write: true } },
+  async function mkdirRelativeUrlPath() {
+    const testDir = Deno.makeTempDirSync();
+    const nestedDir = testDir + "/nested";
+    // Add trailing slash so base path is treated as a directory. pathToAbsoluteFileUrl removes trailing slashes.
+    const path = new URL("../dir", pathToAbsoluteFileUrl(nestedDir) + "/");
+
+    await Deno.mkdir(nestedDir);
+    await Deno.mkdir(path);
+
+    assertDirectory(testDir + "/dir");
+  },
+);