1 files changed, 111 insertions, 0 deletions
diff --git a/cli/tests/unit_node/_fs/_fs_symlink_test.ts b/cli/tests/unit_node/_fs/_fs_symlink_test.ts
new file mode 100644
index 000000000..72747ebfa
--- /dev/null
+++ b/cli/tests/unit_node/_fs/_fs_symlink_test.ts
@@ -0,0 +1,111 @@
+// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+import {
+  assert,
+  assertThrows,
+  fail,
+} from "../../../../test_util/std/testing/asserts.ts";
+import { symlink, symlinkSync } from "node:fs";
+
+Deno.test({
+  name: "ASYNC: no callback function results in Error",
+  fn() {
+    assertThrows(
+      () => {
+        // @ts-expect-error Argument of type 'string' is not assignable to parameter of type 'NoParamCallback'
+        symlink("some/path", "some/other/path", "dir");
+      },
+      Error,
+      "No callback function supplied",
+    );
+  },
+});
+
+Deno.test({
+  name: "ASYNC: create symlink point to a file",
+  async fn() {
+    const file: string = Deno.makeTempFileSync();
+    const linkedFile: string = file + ".link";
+
+    await new Promise<void>((resolve, reject) => {
+      symlink(file, linkedFile, (err: Error | null) => {
+        if (err !== null) reject();
+        else resolve();
+      });
+    })
+      .then(
+        () => {
+          const stat = Deno.lstatSync(linkedFile);
+          assert(stat.isSymlink);
+        },
+        () => {
+          fail("Expected to succeed");
+        },
+      )
+      .finally(() => {
+        Deno.removeSync(file);
+        Deno.removeSync(linkedFile);
+      });
+  },
+});
+
+Deno.test({
+  name: "ASYNC: create symlink point to a dir",
+  async fn() {
+    const dir: string = Deno.makeTempDirSync();
+    const linkedDir: string = dir + ".link";
+
+    await new Promise<void>((resolve, reject) => {
+      symlink(dir, linkedDir, (err: Error | null) => {
+        if (err !== null) reject();
+        else resolve();
+      });
+    })
+      .then(
+        () => {
+          const stat = Deno.lstatSync(linkedDir);
+          assert(stat.isSymlink);
+        },
+        () => {
+          fail("Expected to succeed");
+        },
+      )
+      .finally(() => {
+        Deno.removeSync(dir);
+        Deno.removeSync(linkedDir);
+      });
+  },
+});
+
+Deno.test({
+  name: "SYNC: create symlink point to a file",
+  fn() {
+    const file: string = Deno.makeTempFileSync();
+    const linkedFile: string = file + ".link";
+
+    try {
+      symlinkSync(file, linkedFile);
+      const stat = Deno.lstatSync(linkedFile);
+      assert(stat.isSymlink);
+    } finally {
+      Deno.removeSync(file);
+      Deno.removeSync(linkedFile);
+    }
+  },
+});
+
+Deno.test({
+  name: "SYNC: create symlink point to a dir",
+  fn() {
+    const dir: string = Deno.makeTempDirSync();
+    const linkedDir: string = dir + ".link";
+
+    try {
+      symlinkSync(dir, linkedDir);
+      const stat = Deno.lstatSync(linkedDir);
+      assert(stat.isSymlink);
+    } finally {
+      Deno.removeSync(dir);
+      Deno.removeSync(linkedDir);
+    }
+  },
+});