Node polyfill for fs.chown and fs.close (#4377)

1 files changed, 42 insertions, 0 deletions

diff --git a/std/node/_fs/_fs_close_test.ts b/std/node/_fs/_fs_close_test.ts
new file mode 100644
index 000000000..2c7117248
--- /dev/null
+++ b/std/node/_fs/_fs_close_test.ts
@@ -0,0 +1,42 @@
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
+const { test } = Deno;
+import { fail, assert } from "../../testing/asserts.ts";
+import { close, closeSync } from "./_fs_close.ts";
+
+test({
+  name: "ASYNC: File is closed",
+  async fn() {
+    const tempFile: string = await Deno.makeTempFile();
+    const file: Deno.File = await Deno.open(tempFile);
+
+    assert(Deno.resources()[file.rid]);
+    await new Promise((resolve, reject) => {
+      close(file.rid, err => {
+        if (err) reject();
+        else resolve();
+      });
+    })
+      .then(async () => {
+        assert(!Deno.resources()[file.rid]);
+      })
+      .catch(() => {
+        fail("No error expected");
+      })
+      .finally(async () => {
+        await Deno.remove(tempFile);
+      });
+  }
+});
+
+test({
+  name: "SYNC: File is closed",
+  fn() {
+    const tempFile: string = Deno.makeTempFileSync();
+    const file: Deno.File = Deno.openSync(tempFile);
+
+    assert(Deno.resources()[file.rid]);
+    closeSync(file.rid);
+    assert(!Deno.resources()[file.rid]);
+    Deno.removeSync(tempFile);
+  }
+});