feat(wechat): add image generation delivery policy

2026-07-21 23:21:44 +08:00
parent bfb1f6fea9
commit 28581310da
13 changed files with 1078 additions and 19 deletions
@@ -0,0 +1,38 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import sharp from 'sharp';
+import { uploadWechatGeneratedImage } from './wechat-media.mjs';
+
+test('uploadWechatGeneratedImage converts a generated asset and uploads WeChat image media', async () => {
+  const source = await sharp({
+    create: { width: 32, height: 32, channels: 3, background: '#336699' },
+  }).webp().toBuffer();
+  const calls = [];
+  const result = await uploadWechatGeneratedImage(
+    'access-1',
+    '/MindSpace/user/public/images/fresh.webp',
+    {
+      publicBaseUrl: 'https://example.com',
+      wechatFetch: async (url, init = {}) => {
+        calls.push({ url: String(url), init });
+        if (String(url).startsWith('https://example.com/')) {
+          return new Response(source, { status: 200, headers: { 'Content-Type': 'image/webp' } });
+        }
+        if (String(url).includes('/cgi-bin/media/upload')) {
+          assert.equal(init.method, 'POST');
+          assert.ok(init.body instanceof FormData);
+          return new Response(JSON.stringify({ type: 'image', media_id: 'wx-media-1', created_at: 1 }), {
+            status: 200,
+            headers: { 'Content-Type': 'application/json' },
+          });
+        }
+        throw new Error(`unexpected url: ${url}`);
+      },
+    },
+  );
+  assert.equal(result.mediaId, 'wx-media-1');
+  assert.equal(result.contentType, 'image/jpeg');
+  assert.ok(result.bytes > 0);
+  assert.match(calls[1].url, /access_token=access-1/);
+  assert.match(calls[1].url, /type=image/);
+});