✨ Feature(custom): add thumbnail suffix functionality and related settings

ISSUES CLOSED: #539

tests/thumbnail-url.test.ts

@@ -0,0 +1,36 @@
+import { describe, expect, it } from 'vitest'
+
+import { appendThumbnailSuffix } from '../src/renderer/manage/utils/thumbnailUrl'
+
+describe('appendThumbnailSuffix', () => {
+  it('keeps the original URL when the suffix is empty', () => {
+    const url = 'https://example.com/image.png'
+
+    expect(appendThumbnailSuffix(url, '')).toBe(url)
+    expect(appendThumbnailSuffix(url)).toBe(url)
+  })
+
+  it('appends query-style suffixes to URLs without query strings', () => {
+    expect(appendThumbnailSuffix('https://example.com/image.png', '?imageMogr2/thumbnail/200x200')).toBe(
+      'https://example.com/image.png?imageMogr2/thumbnail/200x200',
+    )
+  })
+
+  it('converts query-style suffixes to additional parameters when the URL already has a query string', () => {
+    expect(appendThumbnailSuffix('https://example.com/image.png?version=1', '?imageMogr2/thumbnail/200x200')).toBe(
+      'https://example.com/image.png?version=1&imageMogr2/thumbnail/200x200',
+    )
+  })
+
+  it('normalizes ampersand-prefixed suffixes when the URL has no query string', () => {
+    expect(appendThumbnailSuffix('https://example.com/image.png', '&x-oss-process=image/resize,w_200')).toBe(
+      'https://example.com/image.png?x-oss-process=image/resize,w_200',
+    )
+  })
+
+  it('appends path-style suffixes unchanged', () => {
+    expect(appendThumbnailSuffix('https://example.com/image.png', '/thumbnail/200x200')).toBe(
+      'https://example.com/image.png/thumbnail/200x200',
+    )
+  })
+})