feat: action links send+redirect to Discord, no result page; 10-min dedup window

tests/test_actions.py

@@ -121,22 +121,41 @@ class TestLinkFormActionValidation:
 # ── redirect_to_original execution ────────────────────────────────────────────
 
 class TestRedirectAction:
-    def test_action_link_executes_and_renders_result(self, action_link):
+    def test_action_link_executes_and_redirects(self, action_link):
+        """成功：发送消息并 302 跳转 Discord，不渲染页面。"""
         client = Client()
         with patch('links.actions.send_discord_message') as mock_send:
-            resp = client.get(f'/testaction/今天有什么新闻/')
-        assert resp.status_code == 200
+            resp = client.get('/testaction/今天有什么新闻/')
+        assert resp.status_code == 302
+        assert resp['Location'].startswith('https://discord.com/channels/')
         mock_send.assert_called_once_with('@小黑 今天有什么新闻')
-        assert 'links/action_result.html' in [t.name for t in resp.templates]
-        assert '今天有什么新闻' in resp.content.decode()
 
     def test_action_link_with_query_param(self, action_link):
         client = Client()
         with patch('links.actions.send_discord_message') as mock_send:
             resp = client.get('/testaction/', {'q': '用查询参数提问'})
-        assert resp.status_code == 200
+        assert resp.status_code == 302
         mock_send.assert_called_once_with('@小黑 用查询参数提问')
 
+    def test_action_link_dedup_same_query_in_window(self, action_link, monkeypatch):
+        """10 分钟内同一 query 只发一次，刷新不重复发送。"""
+        monkeypatch.setenv('DISCORD_WEBHOOK_URL', 'https://example.com/hook')
+        client = Client()
+        with patch('links.actions.requests.post') as mock_post:
+            resp1 = client.get('/testaction/相同问题/')
+            resp2 = client.get('/testaction/相同问题/')  # 刷新/重复访问
+        assert resp1.status_code == 302
+        assert resp2.status_code == 302
+        assert mock_post.call_count == 1, '同一问题 10 分钟内只应发送一次'
+
+    def test_action_link_different_query_not_deduped(self, action_link, monkeypatch):
+        monkeypatch.setenv('DISCORD_WEBHOOK_URL', 'https://example.com/hook')
+        client = Client()
+        with patch('links.actions.requests.post') as mock_post:
+            client.get('/testaction/问题甲/')
+            client.get('/testaction/问题乙/')
+        assert mock_post.call_count == 2, '不同问题应各自发送'
+
     def test_action_link_webhook_failure_shows_error(self, action_link, monkeypatch):
         import requests as req_lib
         monkeypatch.setenv('DISCORD_WEBHOOK_URL', 'https://example.com/hook')
@@ -145,6 +164,7 @@ class TestRedirectAction:
             resp = client.get('/testaction/测试/')
         assert resp.status_code == 200
         assert '发送到 Discord 失败' in resp.content.decode()
+        assert '打开 Discord' not in resp.content.decode()
 
     def test_normal_link_unaffected(self, db):
         Link.objects.create(alias='plainlink', link_type=Link.LinkType.LINK, original_url='https://example.com/path')
@@ -152,3 +172,31 @@ class TestRedirectAction:
         resp = client.get('/plainlink/')
         assert resp.status_code in (301, 302)
         assert resp['Location'] == 'https://example.com/path'
+
+
+# ── /ask/ 路由（带问题 = 发送+跳转；不带 = 输入页）─────────────────────────
+
+class TestAskRoute:
+    def test_ask_with_question_redirects(self, monkeypatch):
+        monkeypatch.setenv('DISCORD_WEBHOOK_URL', 'https://example.com/hook')
+        client = Client()
+        with patch('links.actions.requests.post') as mock_post:
+            resp = client.get('/ask/今天有什么新闻/')
+        assert resp.status_code == 302
+        assert resp['Location'].startswith('https://discord.com/channels/')
+        body = mock_post.call_args.kwargs['json']['content']
+        assert '今天有什么新闻' in body
+
+    def test_ask_with_question_dedup(self, monkeypatch):
+        monkeypatch.setenv('DISCORD_WEBHOOK_URL', 'https://example.com/hook')
+        client = Client()
+        with patch('links.actions.requests.post') as mock_post:
+            client.get('/ask/相同问题/')
+            client.get('/ask/相同问题/')
+        assert mock_post.call_count == 1
+
+    def test_ask_empty_renders_input_page(self):
+        client = Client()
+        resp = client.get('/ask/')
+        assert resp.status_code == 200
+        assert '问小黑' in resp.content.decode()