Refine AI configuration documentation

README.md

@@ -74,7 +74,13 @@ _⚠️ READ BEFORE PROCEEDING_
    - As an additional precaution, create a [Vercel KV](https://vercel.com/docs/storage/vercel-kv/quickstart#create-a-kv-database) store and link it to your project in order to enable rate limiting
 3. Configure auto-generated fields (optional) 
    - Set which text fields auto-generate when uploading a photo by storing a comma-separated list, e.g., `AI_TEXT_AUTO_GENERATED_FIELDS = title,semantic`
-   - Accepted values: title, caption, tags, description, all, or none (default is "all")
+   - Accepted values:
+     - `all` (default)
+     - `title`
+     - `caption`
+     - `tags`
+     - `description`
+     - `none`
 
 ### Web Analytics
 

__tests__/ai.test.ts

@@ -1,8 +1,37 @@
 /* eslint-disable quotes */
-import { parseTitleAndCaption } from "@/photo/ai";
+import {
+  parseAiAutoGeneratedFieldsText,
+  parseTitleAndCaption,
+} from "@/photo/ai";
 
-describe('AI text parses', () => {
-  it('titles and captions', () => {
+describe('AI parses', () => {
+  describe('auto-generated fields', () => {
+    it('with spaces', () => {
+      expect(parseAiAutoGeneratedFieldsText())
+        .toStrictEqual(['title', 'caption', 'tags', 'semantic']);
+      expect(parseAiAutoGeneratedFieldsText('all'))
+        .toStrictEqual(['title', 'caption', 'tags', 'semantic']);
+      expect(parseAiAutoGeneratedFieldsText('title'))
+        .toStrictEqual(['title']);
+      expect(parseAiAutoGeneratedFieldsText('title, caption'))
+        .toStrictEqual(['title', 'caption']);
+      expect(parseAiAutoGeneratedFieldsText('title, caption, invalid'))
+        .toStrictEqual(['title', 'caption']);
+      expect(parseAiAutoGeneratedFieldsText('title, caption, invalid, tags'))
+        .toStrictEqual(['title', 'caption', 'tags']);
+      expect(parseAiAutoGeneratedFieldsText('none'))
+        .toStrictEqual([]);
+    });
+    it('without spaces', () => {
+      expect(parseAiAutoGeneratedFieldsText('title,caption'))
+        .toStrictEqual(['title', 'caption']);
+      expect(parseAiAutoGeneratedFieldsText('title,caption,invalid'))
+        .toStrictEqual(['title', 'caption']);
+      expect(parseAiAutoGeneratedFieldsText('title,caption,invalid,tags'))
+        .toStrictEqual(['title', 'caption', 'tags']);
+    });
+  });
+  it('received titles and captions', () => {
     // Complex case
     expect(parseTitleAndCaption(
       `'Title: "Ephemeral Beauty" Caption: "Roses bask in fleeting sunlight."'`