From 57f29e4c067860b2141177fa493229e0d54a877a Mon Sep 17 00:00:00 2001
From: R2m1liA <15258427350@163.com>
Date: Sat, 25 Oct 2025 14:55:50 +0800
Subject: [PATCH] =?UTF-8?q?test:=20=E4=B8=BAutils/file=E6=B7=BB=E5=8A=A0?=
 =?UTF-8?q?=E6=B5=8B=E8=AF=95=E7=94=A8=E4=BE=8B?=
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- 容量进制转换
- 文件拓展名获取与格式化
---
 tests/unit/utils/file.test.ts | 36 +++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 tests/unit/utils/file.test.ts

diff --git a/tests/unit/utils/file.test.ts b/tests/unit/utils/file.test.ts
new file mode 100644
index 0000000..5091966
--- /dev/null
+++ b/tests/unit/utils/file.test.ts
@@ -0,0 +1,36 @@
+import {
+  formatFileSize,
+  getFileExtension,
+  formatFileExtension,
+} from '../../../app/utils/file';
+import { expect, test } from 'vitest';
+
+/**
+ * 单元测试: formatFileSize
+ */
+test('formatFileSize - format bytes correctly', () => {
+  expect(formatFileSize(500)).toBe('500.00 B');
+});
+test('formatFileSize - format kilobytes correctly', () => {
+  expect(formatFileSize(2048)).toBe('2.00 KB');
+});
+test('formatFileSize - format megabytes correctly', () => {
+  expect(formatFileSize(5 * 1024 * 1024)).toBe('5.00 MB');
+});
+
+/**
+ * 单元测试: getFileExtension, formatFileExtension
+ */
+test('getFileExtension - extract extension from filename', () => {
+  expect(getFileExtension('document.pdf')).toBe('pdf');
+});
+test('getFileExtension - handle filenames without extension', () => {
+  expect(getFileExtension('README')).toBe('');
+});
+
+test('formatFileExtension - format extension without dot', () => {
+  expect(formatFileExtension('txt')).toBe('TXT');
+});
+test('formatFileExtension - format extension with dot', () => {
+  expect(formatFileExtension('.jpg')).toBe('JPG');
+});