test(web): add and enhance frontend automated tests across multiple modules (#32268)

Co-authored-by: CodingOnStar <hanxujiang@dify.com>

web/app/components/datasets/common/image-uploader/__tests__/constants.spec.ts

@@ -0,0 +1,41 @@
+import { describe, expect, it } from 'vitest'
+import {
+  ACCEPT_TYPES,
+  DEFAULT_IMAGE_FILE_BATCH_LIMIT,
+  DEFAULT_IMAGE_FILE_SIZE_LIMIT,
+  DEFAULT_SINGLE_CHUNK_ATTACHMENT_LIMIT,
+} from '../constants'
+
+describe('image-uploader constants', () => {
+  // Verify accepted image types
+  describe('ACCEPT_TYPES', () => {
+    it('should include standard image formats', () => {
+      expect(ACCEPT_TYPES).toContain('jpg')
+      expect(ACCEPT_TYPES).toContain('jpeg')
+      expect(ACCEPT_TYPES).toContain('png')
+      expect(ACCEPT_TYPES).toContain('gif')
+    })
+
+    it('should have exactly 4 types', () => {
+      expect(ACCEPT_TYPES).toHaveLength(4)
+    })
+  })
+
+  // Verify numeric limits are positive
+  describe('Limits', () => {
+    it('should have a positive file size limit', () => {
+      expect(DEFAULT_IMAGE_FILE_SIZE_LIMIT).toBeGreaterThan(0)
+      expect(DEFAULT_IMAGE_FILE_SIZE_LIMIT).toBe(2)
+    })
+
+    it('should have a positive batch limit', () => {
+      expect(DEFAULT_IMAGE_FILE_BATCH_LIMIT).toBeGreaterThan(0)
+      expect(DEFAULT_IMAGE_FILE_BATCH_LIMIT).toBe(5)
+    })
+
+    it('should have a positive single chunk attachment limit', () => {
+      expect(DEFAULT_SINGLE_CHUNK_ATTACHMENT_LIMIT).toBeGreaterThan(0)
+      expect(DEFAULT_SINGLE_CHUNK_ATTACHMENT_LIMIT).toBe(10)
+    })
+  })
+})