feat(file-summary): 接入文件汇总工作流触发

tests/test_file_summary_workflow.py

@@ -0,0 +1,102 @@
+import pytest
+
+from review_agent.file_summary.workflow import create_file_summary_batch, start_file_summary_workflow
+from review_agent.models import (
+    Conversation,
+    FileAttachment,
+    FileSummaryBatch,
+    FileSummaryBatchAttachment,
+    Message,
+    WorkflowEvent,
+    WorkflowNodeRun,
+)
+from review_agent.services import stream_message
+
+
+pytestmark = pytest.mark.django_db
+
+
+def test_create_batch_binds_active_attachments_and_initializes_nodes(django_user_model):
+    user = django_user_model.objects.create_user(username="owner", password="pass")
+    conversation = Conversation.objects.create(user=user, title="会话")
+    message = Message.objects.create(conversation=conversation, role=Message.Role.USER, content="自动汇总")
+    active = FileAttachment.objects.create(
+        conversation=conversation,
+        user=user,
+        original_name="a.docx",
+        storage_path="x/a.docx",
+        file_size=1,
+    )
+    FileAttachment.objects.create(
+        conversation=conversation,
+        user=user,
+        original_name="old.docx",
+        is_active=False,
+        storage_path="x/old.docx",
+        file_size=1,
+    )
+
+    batch = create_file_summary_batch(conversation=conversation, user=user, trigger_message=message)
+
+    assert batch.status == FileSummaryBatch.Status.PENDING
+    assert FileSummaryBatchAttachment.objects.get(batch=batch).attachment == active
+    active.refresh_from_db()
+    assert active.upload_status == FileAttachment.UploadStatus.BOUND
+    assert WorkflowNodeRun.objects.filter(batch=batch).count() >= 6
+    assert WorkflowEvent.objects.filter(batch=batch, event_type="workflow_created").exists()
+
+
+def test_start_file_summary_workflow_runs_synchronously_for_tests(django_user_model):
+    user = django_user_model.objects.create_user(username="owner", password="pass")
+    conversation = Conversation.objects.create(user=user, title="会话")
+    message = Message.objects.create(conversation=conversation, role=Message.Role.USER, content="自动汇总")
+    FileAttachment.objects.create(
+        conversation=conversation,
+        user=user,
+        original_name="a.docx",
+        storage_path="x/a.docx",
+        file_size=1,
+    )
+    batch = create_file_summary_batch(conversation=conversation, user=user, trigger_message=message)
+
+    start_file_summary_workflow(batch, async_run=False)
+
+    batch.refresh_from_db()
+    assert batch.status == FileSummaryBatch.Status.SUCCESS
+    assert WorkflowEvent.objects.filter(batch=batch, event_type="workflow_completed").exists()
+
+
+def test_stream_message_returns_workflow_meta_when_triggered(settings, django_user_model):
+    settings.FILE_SUMMARY_ASYNC = False
+    user = django_user_model.objects.create_user(username="owner", password="pass")
+    conversation = Conversation.objects.create(user=user, title="会话")
+    FileAttachment.objects.create(
+        conversation=conversation,
+        user=user,
+        original_name="a.docx",
+        storage_path="x/a.docx",
+        file_size=1,
+    )
+
+    frames = list(stream_message(conversation, "请自动汇总文件目录与页数"))
+
+    joined = "".join(frames)
+    assert "workflow_started" in joined
+    assert "\"workflow_type\": \"file_summary\"" in joined
+    assert FileSummaryBatch.objects.filter(conversation=conversation).exists()
+
+
+def test_stream_message_uses_normal_llm_path_when_not_triggered(monkeypatch, django_user_model):
+    user = django_user_model.objects.create_user(username="owner", password="pass")
+    conversation = Conversation.objects.create(user=user, title="会话")
+
+    def fake_stream_reply(conversation, content):
+        yield "普通回复"
+
+    monkeypatch.setattr("review_agent.services.stream_reply", fake_stream_reply)
+
+    frames = list(stream_message(conversation, "你好"))
+
+    joined = "".join(frames)
+    assert "普通回复" in joined
+    assert "workflow_started" not in joined