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diff --git a/tests/conftest.py b/tests/conftest.py
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diff --git a/tests/test_guidance_analysis.py b/tests/test_guidance_analysis.py
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diff --git a/tests/test_guidance_file_extraction.py b/tests/test_guidance_file_extraction.py
new file mode 100644
index 0000000..a5b0cc0
--- /dev/null
+++ b/tests/test_guidance_file_extraction.py
@@ -0,0 +1,38 @@
+import io
+import unittest
+from unittest.mock import patch
+
+from app.utils.guidance_analysis import GuidanceAnalyzer
+
+
+class GuidanceFileExtractionTest(unittest.TestCase):
+    def test_extracts_plain_text_and_markdown(self):
+        analyzer = GuidanceAnalyzer()
+
+        txt = analyzer.extract_text("资产负债率预警。".encode("utf-8"), "guide.txt")
+        md = analyzer.extract_text("# 标题\n\n资产负债率预警。".encode("utf-8"), "guide.md")
+
+        self.assertIn("资产负债率预警", txt["text"])
+        self.assertIn("资产负债率预警", md["text"])
+        self.assertEqual(txt["method"], "plain_text")
+        self.assertEqual(md["method"], "markdown")
+
+    def test_extracts_docx_text(self):
+        from docx import Document
+
+        document = Document()
+        document.add_paragraph("资产负债率预警。")
+        stream = io.BytesIO()
+        document.save(stream)
+
+        result = GuidanceAnalyzer().extract_text(stream.getvalue(), "guide.docx")
+
+        self.assertEqual(result["method"], "docx")
+        self.assertIn("资产负债率预警", result["text"])
+
+    def test_pdf_extractor_result_shape(self):
+        with patch.object(GuidanceAnalyzer, "_extract_pdf_text", return_value="资产负债率预警。"):
+            result = GuidanceAnalyzer().extract_text(b"%PDF", "guide.pdf")
+
+        self.assertEqual(result["method"], "pdf")
+        self.assertIn("资产负债率预警", result["text"])
diff --git a/tests/test_guidance_routes.py b/tests/test_guidance_routes.py
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diff --git a/tests/test_response.py b/tests/test_response.py
new file mode 100644
index 0000000..755fb60
--- /dev/null
+++ b/tests/test_response.py
@@ -0,0 +1,20 @@
+import unittest
+
+from flask import Flask
+
+from app.utils.response import success
+
+
+class ResponseMessageTest(unittest.TestCase):
+    def test_success_message_defaults_to_chinese(self):
+        app = Flask(__name__)
+
+        with app.app_context():
+            response, status_code = success({"ok": True})
+
+        self.assertEqual(status_code, 200)
+        self.assertEqual(response.get_json()["message"], "操作成功")
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/tests/test_route_messages.py b/tests/test_route_messages.py
new file mode 100644
index 0000000..171af29
--- /dev/null
+++ b/tests/test_route_messages.py
@@ -0,0 +1,66 @@
+import unittest
+from unittest.mock import patch
+
+from app import create_app
+
+
+class RouteMessageTest(unittest.TestCase):
+    def setUp(self):
+        self.app = create_app("testing")
+        self.client = self.app.test_client()
+
+    def test_success_messages_include_business_action(self):
+        response = self.client.get("/api/health")
+
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.get_json()["message"], "健康检查成功")
+
+    def test_failure_messages_include_business_action(self):
+        response = self.client.get("/api/rules/status")
+
+        self.assertEqual(response.status_code, 400)
+        self.assertEqual(response.get_json()["message"], "查询失败：缺少 task_id")
+
+    def test_clear_domains_message_is_delete_success(self):
+        with patch("app.routes.domain.DomainStorage") as domain_storage_cls:
+            with patch("app.routes.domain.SchemaStorage") as schema_storage_cls:
+                domain_storage_cls.return_value.clear_all.return_value = 3
+                schema_storage_cls.return_value.delete_file.return_value = True
+
+                response = self.client.post("/api/domains/clear")
+
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.get_json()["message"], "删除成功")
+        self.assertEqual(response.get_json()["data"]["deleted_count"], 3)
+
+    def test_generate_rules_returns_compact_async_task_info(self):
+        with patch("app.routes.rules.RuleGenerationService") as service_cls:
+            service_cls.return_value.start.return_value = {
+                "task_id": "task-1",
+                "status": "running",
+                "limit": 3,
+                "generated_count": 0,
+                "output_file": "/app/output/rules-task-1/rules-task-1.xlsx",
+                "markdown_file": "/app/output/rules-task-1/rules-task-1.md",
+                "files": {
+                    "excel": "/app/output/rules-task-1/rules-task-1.xlsx",
+                    "markdown": "/app/output/rules-task-1/rules-task-1.md",
+                },
+            }
+
+            response = self.client.post("/api/rules/generate", json={"limit": 3})
+
+        body = response.get_json()
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(body["message"], "规则生成任务创建成功")
+        self.assertEqual(body["data"], {
+            "task_id": "task-1",
+            "status": "running",
+            "async": True,
+            "limit": 3,
+            "status_url": "/api/rules/status?task_id=task-1",
+        })
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/tests/test_rule_generation.py b/tests/test_rule_generation.py
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diff --git a/tests/test_schema_descriptions.py b/tests/test_schema_descriptions.py
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diff --git a/tests/test_schema_routes.py b/tests/test_schema_routes.py
new file mode 100644
index 0000000..a3cf73d
--- /dev/null
+++ b/tests/test_schema_routes.py
@@ -0,0 +1,32 @@
+import unittest
+from unittest.mock import patch
+
+from flask import Flask
+
+from app.routes.schema import schema_bp
+
+
+class SchemaRouteTest(unittest.TestCase):
+    def setUp(self):
+        self.app = Flask(__name__)
+        self.app.register_blueprint(schema_bp)
+        self.client = self.app.test_client()
+
+    def test_schema_status_returns_processing_summary(self):
+        with patch("app.routes.schema.SchemaStorage") as storage_cls:
+            storage_cls.return_value.status.return_value = {
+                "processing_status": "done",
+                "module_count": 2,
+                "uploaded_at": "2026-06-10 15:50:00",
+            }
+
+            response = self.client.get("/api/schema/status")
+
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.get_json()["message"], "查询成功")
+        self.assertEqual(response.get_json()["data"]["processing_status"], "done")
+        self.assertEqual(response.get_json()["data"]["module_count"], 2)
+
+
+if __name__ == "__main__":
+    unittest.main()