fix(HEL-191): 补回问天解势知识文件兜底并消除 Failed to fetch
宿主机 data 挂载会遮盖镜像内 heaven_knowledge.json；增加不受挂载影响的 seed， 并将缺文件/坏 JSON 转为结构化中文错误，前端展示可读提示而非 Failed to fetch。 Co-authored-by: Cursor <cursoragent@cursor.com> Co-authored-by: multica-agent <github@multica.ai>
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施工员
co-authored by
Cursor
multica-agent
Cursor
multica-agent
parent
8a5e78f022
commit
ef86b31f6b
@@ -1,13 +1,162 @@
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from __future__ import annotations
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import json
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import tempfile
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import unittest
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from http import HTTPStatus
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from pathlib import Path
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from unittest.mock import patch
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from backend.features.heaven.engine import build_five_phase_field, hexagram_from_lines
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from backend.features.heaven.knowledge import prepare_heaven_context
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from backend.features.heaven.http import HeavenHttpMixin
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from backend.features.heaven.knowledge import (
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HeavenKnowledgeError,
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clear_heaven_knowledge_cache,
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prepare_heaven_context,
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resolve_heaven_knowledge_path,
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_knowledge_catalog,
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)
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from backend.features.heaven.six_yao import build_six_yao_chart
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class HeavenKnowledgeTests(unittest.TestCase):
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def tearDown(self) -> None:
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clear_heaven_knowledge_cache()
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def test_catalog_loads_from_trusted_repo_file(self):
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clear_heaven_knowledge_cache()
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path = resolve_heaven_knowledge_path()
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catalog = _knowledge_catalog()
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self.assertTrue(path.is_file())
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self.assertEqual(path.name, "heaven_knowledge.json")
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self.assertTrue(str(catalog.get("version") or "").startswith("2026."))
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self.assertIn("zhouyi", catalog["sources"])
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self.assertIn("neijing", catalog["sources"])
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self.assertEqual(len(catalog["fortune"]["qi"]), 6)
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self.assertEqual(len(catalog["fortune"]["personal_relations"]), 10)
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def test_missing_knowledge_file_raises_chinese_structured_error(self):
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clear_heaven_knowledge_cache()
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missing = Path(tempfile.mkdtemp()) / "missing-heaven_knowledge.json"
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with patch(
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"backend.features.heaven.knowledge.KNOWLEDGE_FILE", missing
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), patch(
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"backend.features.heaven.knowledge.KNOWLEDGE_SEED_FILE",
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missing.with_name("missing-seed.json"),
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):
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with self.assertRaises(HeavenKnowledgeError) as raised:
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_knowledge_catalog()
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self.assertEqual(raised.exception.error_code, "heaven_knowledge_missing")
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self.assertIn("缺失", str(raised.exception))
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def test_corrupt_knowledge_json_raises_chinese_structured_error(self):
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clear_heaven_knowledge_cache()
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with tempfile.TemporaryDirectory() as temp_dir:
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broken = Path(temp_dir) / "heaven_knowledge.json"
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broken.write_text("{not-json", encoding="utf-8")
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with patch(
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"backend.features.heaven.knowledge.KNOWLEDGE_FILE", broken
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), patch(
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"backend.features.heaven.knowledge.KNOWLEDGE_SEED_FILE",
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Path(temp_dir) / "unused-seed.json",
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):
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with self.assertRaises(HeavenKnowledgeError) as raised:
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_knowledge_catalog()
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self.assertEqual(raised.exception.error_code, "heaven_knowledge_invalid")
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self.assertIn("损坏", str(raised.exception))
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def test_interpret_http_returns_structured_chinese_error_for_missing_file(self):
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class FakeHandler(HeavenHttpMixin):
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def __init__(self) -> None:
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self.payload = None
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self.status = None
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self.application_service = type(
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"Svc",
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(),
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{
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"heaven_interpret": staticmethod(
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lambda _body: (_ for _ in ()).throw(
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HeavenKnowledgeError(
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"问天知识文件缺失：未找到 heaven_knowledge.json。",
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code="heaven_knowledge_missing",
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)
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)
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)
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},
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)()
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def read_json_body(self):
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return {"mode": "trend", "trade_date": "2026-08-04"}
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def send_json(self, payload, status=HTTPStatus.OK, headers=None):
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self.payload = payload
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self.status = status
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handler = FakeHandler()
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handler.heaven_interpret()
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self.assertEqual(handler.status, HTTPStatus.BAD_REQUEST)
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self.assertIn("缺失", handler.payload["error"])
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self.assertEqual(handler.payload["code"], "heaven_knowledge_missing")
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def test_interpret_http_returns_structured_chinese_error_for_corrupt_json(self):
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class FakeHandler(HeavenHttpMixin):
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def __init__(self) -> None:
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self.payload = None
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self.status = None
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self.application_service = type(
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"Svc",
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(),
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{
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"heaven_interpret": staticmethod(
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lambda _body: (_ for _ in ()).throw(
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HeavenKnowledgeError(
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"问天知识文件 JSON 损坏（heaven_knowledge.json），无法解析：第 1 行附近。",
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code="heaven_knowledge_invalid",
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)
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)
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)
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},
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)()
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def read_json_body(self):
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return {"mode": "trend", "trade_date": "2026-08-04"}
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def send_json(self, payload, status=HTTPStatus.OK, headers=None):
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self.payload = payload
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self.status = status
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handler = FakeHandler()
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handler.heaven_interpret()
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self.assertEqual(handler.status, HTTPStatus.BAD_REQUEST)
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self.assertIn("损坏", handler.payload["error"])
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self.assertEqual(handler.payload["code"], "heaven_knowledge_invalid")
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def test_seed_fallback_when_data_file_missing(self):
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clear_heaven_knowledge_cache()
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with tempfile.TemporaryDirectory() as temp_dir:
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seed = Path(temp_dir) / "seed.json"
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seed.write_text(
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json.dumps(
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{
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"version": "test-seed",
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"sources": {"zhouyi": {"title": "周易"}},
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"trend": {"method": "m", "rules": {"stable": "s", "single": "a", "multiple": "b"}},
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"fortune": {},
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"heart": {},
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},
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ensure_ascii=False,
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),
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encoding="utf-8",
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)
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missing_data = Path(temp_dir) / "data-heaven_knowledge.json"
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with patch(
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"backend.features.heaven.knowledge.KNOWLEDGE_FILE", missing_data
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), patch(
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"backend.features.heaven.knowledge.KNOWLEDGE_SEED_FILE", seed
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):
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catalog = _knowledge_catalog()
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self.assertEqual(catalog["version"], "test-seed")
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def test_fortune_context_excludes_weighted_summary_and_adds_bounded_industry_symbols(self):
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field = build_five_phase_field("2026-08-04")
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prepared = prepare_heaven_context(
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