From 40324ff74816a99ea061929ece1c6a4ff3078bc3 Mon Sep 17 00:00:00 2001
From: ali ahmed <48116123+AliBasicCoder@users.noreply.github.com>
Date: Tue, 6 Oct 2020 07:35:22 +0200
Subject: feat(std/node/fs): adding readdir, rename, and some others (#7666)

---
 std/node/_fs/_fs_readdir_test.ts | 59 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 std/node/_fs/_fs_readdir_test.ts

(limited to 'std/node/_fs/_fs_readdir_test.ts')

diff --git a/std/node/_fs/_fs_readdir_test.ts b/std/node/_fs/_fs_readdir_test.ts
new file mode 100644
index 000000000..c15b9ebe0
--- /dev/null
+++ b/std/node/_fs/_fs_readdir_test.ts
@@ -0,0 +1,59 @@
+import { assertEquals, fail } from "../../testing/asserts.ts";
+import { readdir, readdirSync } from "./_fs_readdir.ts";
+import { join } from "../../path/mod.ts";
+
+Deno.test({
+  name: "ASYNC: reading empty directory",
+  async fn() {
+    const dir = Deno.makeTempDirSync();
+    await new Promise<string[]>((resolve, reject) => {
+      readdir(dir, (err, files) => {
+        if (err) reject(err);
+        resolve(files);
+      });
+    })
+      .then((files) => assertEquals(files, []))
+      .catch(() => fail())
+      .finally(() => Deno.removeSync(dir));
+  },
+});
+
+Deno.test({
+  name: "ASYNC: reading non-empty directory",
+  async fn() {
+    const dir = Deno.makeTempDirSync();
+    Deno.writeTextFileSync(join(dir, "file1.txt"), "hi");
+    Deno.writeTextFileSync(join(dir, "file2.txt"), "hi");
+    Deno.mkdirSync(join(dir, "some_dir"));
+    await new Promise((resolve, reject) => {
+      readdir(dir, (err, files) => {
+        if (err) reject(err);
+        resolve(files);
+      });
+    })
+      .then((files) =>
+        assertEquals(files, ["file1.txt", "some_dir", "file2.txt"])
+      )
+      .catch(() => fail())
+      .finally(() => Deno.removeSync(dir, { recursive: true }));
+  },
+});
+
+Deno.test({
+  name: "SYNC: reading empty the directory",
+  fn() {
+    const dir = Deno.makeTempDirSync();
+    assertEquals(readdirSync(dir), []);
+  },
+});
+
+Deno.test({
+  name: "SYNC: reading a non-empty directory",
+  fn() {
+    const dir = Deno.makeTempDirSync();
+    Deno.writeTextFileSync(join(dir, "file1.txt"), "hi");
+    Deno.writeTextFileSync(join(dir, "file2.txt"), "hi");
+    Deno.mkdirSync(join(dir, "some_dir"));
+    assertEquals(readdirSync(dir), ["file1.txt", "some_dir", "file2.txt"]);
+  },
+});
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