1 files changed, 44 insertions, 0 deletions
diff --git a/cli/tests/unit/symlink_test.ts b/cli/tests/unit/symlink_test.ts
new file mode 100644
index 000000000..505a49bab
--- /dev/null
+++ b/cli/tests/unit/symlink_test.ts
@@ -0,0 +1,44 @@
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
+import { unitTest, assert, assertEquals } from "./test_util.ts";
+
+unitTest(
+  { perms: { read: true, write: true } },
+  function symlinkSyncSuccess(): void {
+    const testDir = Deno.makeTempDirSync();
+    const oldname = testDir + "/oldname";
+    const newname = testDir + "/newname";
+    Deno.mkdirSync(oldname);
+    // Just for now, until we implement symlink for Windows.
+    Deno.symlinkSync(oldname, newname);
+    const newNameInfoLStat = Deno.lstatSync(newname);
+    const newNameInfoStat = Deno.statSync(newname);
+    assert(newNameInfoLStat.isSymlink);
+    assert(newNameInfoStat.isDirectory);
+  }
+);
+
+unitTest(function symlinkSyncPerm(): void {
+  let err;
+  try {
+    Deno.symlinkSync("oldbaddir", "newbaddir");
+  } catch (e) {
+    err = e;
+  }
+  assert(err instanceof Deno.errors.PermissionDenied);
+  assertEquals(err.name, "PermissionDenied");
+});
+
+unitTest(
+  { perms: { read: true, write: true } },
+  async function symlinkSuccess(): Promise<void> {
+    const testDir = Deno.makeTempDirSync();
+    const oldname = testDir + "/oldname";
+    const newname = testDir + "/newname";
+    Deno.mkdirSync(oldname);
+    await Deno.symlink(oldname, newname);
+    const newNameInfoLStat = Deno.lstatSync(newname);
+    const newNameInfoStat = Deno.statSync(newname);
+    assert(newNameInfoLStat.isSymlink, "NOT SYMLINK");
+    assert(newNameInfoStat.isDirectory, "NOT DIRECTORY");
+  }
+);