Merge pull request #48 from luochen211/fix/weixin-long-reply-chunking

fix: chunk long WeChat replies for iLink

test/channels/weixin/production.test.mjs

@@ -63,6 +63,8 @@ test('Weixin production has no per-bot result-file Gate', async (t) => {
 
   assert.equal(Object.hasOwn(runtimes[0], 'outboundArtifactsEnabled'), false);
   assert.equal(Object.hasOwn(runtimes[1], 'outboundArtifactsEnabled'), false);
+  assert.equal(runtimes[0].maxMessageChars, 1_800);
+  assert.equal(runtimes[1].maxMessageChars, 1_800);
   await production.close();
 
   const productionWithDefault = await createProductionController(ctx, { dataDir }, internals);
@@ -72,5 +74,6 @@ test('Weixin production has no per-bot result-file Gate', async (t) => {
     token: 'host-only',
   });
   assert.equal(Object.hasOwn(runtimes[2], 'outboundArtifactsEnabled'), false);
+  assert.equal(runtimes[2].maxMessageChars, 1_800);
   await productionWithDefault.close();
 });

test/channels/weixin/weixin-bridge.test.mjs

@@ -150,6 +150,38 @@ test('Weixin bridge hands a native file source to the current Harness turn', asy
   assert.deepEqual(sent, ['文件已收到']);
 });
 
+test('Weixin splits long replies below the iLink text limit', async () => {
+  const fixture = stateFixture();
+  fixture.sessions.set('p2p:owner-user', 'session-long-reply');
+  const chunks = [];
+  const answer = '答案'.repeat(1_000);
+  const bridge = new WeixinHarnessBridge({
+    api: {
+      sendText: async ({ text }) => {
+        chunks.push(text);
+        return { messageId: `weixin-long-${chunks.length}` };
+      },
+    },
+    baseUrl: 'https://ilinkai.weixin.qq.com',
+    token: 'token',
+    ownerUserId: 'owner-user',
+    harness: {
+      sessionExists: async () => true,
+      ask: async () => answer,
+    },
+    state: fixture.state,
+  });
+
+  const receipt = await bridge.accept(message('weixin-long-reply', '生成一段长回答'));
+
+  assert.ok(chunks.length > 1);
+  assert.ok(chunks.every((chunk) => chunk.length <= 1_800));
+  assert.equal(chunks.join(''), answer);
+  assert.equal(receipt.providerMessageIds.length, chunks.length);
+  assert.equal(bridge.status.messagesReplied, 1);
+  assert.equal(bridge.status.lastMessageError, null);
+});
+
 test('Weixin starts a native-file download before an earlier queued turn finishes', async () => {
   const fixture = stateFixture();
   fixture.sessions.set('p2p:owner-user', 'session-prefetch-file');

test/channels/weixin/weixin-runtime.test.mjs

@@ -85,6 +85,7 @@ test('runtime verifies the token, consumes getUpdates, replies, persists cursor,
   const calls = [];
   let pollCount = 0;
   let askSignal;
+  const answer = '答'.repeat(2_000);
   const stateData = { cursor: '', seen: new Set(), session: null };
   const api = {
     notifyStart: async (request) => calls.push(['start', request.token]),
@@ -133,7 +134,7 @@ test('runtime verifies the token, consumes getUpdates, replies, persists cursor,
       createSession: async () => 'session-1',
       ask: async (_sessionId, _text, options) => {
         askSignal = options.signal;
-        return '回答';
+        return answer;
       },
     },
     state,
@@ -145,10 +146,14 @@ test('runtime verifies the token, consumes getUpdates, replies, persists cursor,
   await flush();
   await flush();
   assert.equal(stateData.cursor, 'cursor-next');
-  assert.deepEqual(calls.slice(0, 2), [
-    ['start', 'bot-token'],
-    ['send', '回答', 'context-7'],
+  assert.equal(calls[0][0], 'start');
+  assert.deepEqual(calls.slice(1, 3).map((call) => call[1].length), [1_800, 200]);
+  assert.equal(calls.slice(1, 3).map((call) => call[1]).join(''), answer);
+  assert.deepEqual(calls.slice(1, 3).map((call) => call[2]), [
+    'context-7',
+    'context-7',
   ]);
+  assert.equal(runtime.status.messagesReplied, 1);
   assert.equal(askSignal.aborted, false);
   await runtime.stop();
   assert.equal(askSignal.aborted, true);