From ea80cd1cd8a0ecea511914707189ebe130d3b0ba Mon Sep 17 00:00:00 2001
From: Jarred Sumner <jarred@jarredsumner.com>
Date: Tue, 1 Mar 2022 00:50:30 -0800
Subject: [bun.js] shim async fs

---
 integration/bunjs-only-snippets/fs.test.js | 34 +++++++++++++++++++++++++++++-
 1 file changed, 33 insertions(+), 1 deletion(-)

(limited to 'integration/bunjs-only-snippets/fs.test.js')

diff --git a/integration/bunjs-only-snippets/fs.test.js b/integration/bunjs-only-snippets/fs.test.js
index c4d937ca3..4c048d199 100644
--- a/integration/bunjs-only-snippets/fs.test.js
+++ b/integration/bunjs-only-snippets/fs.test.js
@@ -1,5 +1,11 @@
 import { describe, it, expect } from "vitest";
-import { mkdirSync, existsSync, readFileSync, writeFileSync } from "node:fs";
+import {
+  mkdirSync,
+  existsSync,
+  readFileSync,
+  writeFileSync,
+  readFile,
+} from "node:fs";
 
 const Buffer = globalThis.Buffer || Uint8Array;
 
@@ -36,6 +42,32 @@ describe("readFileSync", () => {
   });
 });
 
+describe("readFile", () => {
+  it("works", async () => {
+    await new Promise((resolve, reject) => {
+      readFile(import.meta.dir + "/readFileSync.txt", "utf8", (err, text) => {
+        expect(text).toBe("File read successfully");
+        resolve(true);
+      });
+    });
+  });
+
+  it("returning Buffer works", async () => {
+    await new Promise((resolve, reject) => {
+      readFile(import.meta.dir + "/readFileSync.txt", (err, text) => {
+        const encoded = [
+          70, 105, 108, 101, 32, 114, 101, 97, 100, 32, 115, 117, 99, 99, 101,
+          115, 115, 102, 117, 108, 108, 121,
+        ];
+        for (let i = 0; i < encoded.length; i++) {
+          expect(text[i]).toBe(encoded[i]);
+        }
+        resolve(true);
+      });
+    });
+  });
+});
+
 describe("writeFileSync", () => {
   it("works", () => {
     const path = `/tmp/${Date.now()}.writeFileSync.txt`;
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