Initial commit: InternalAuditInterprise

backend/tests/integration/test_clue_lifecycle.py

@@ -0,0 +1,87 @@
+"""线索闭环 + 系统自审计集成测试（需 PostgreSQL）。
+
+覆盖 R7/R17/R18/R19：线索生成与分级、状态流转、底稿、审计哈希链、线索不可删。
+"""
+
+from __future__ import annotations
+
+import pytest
+from sqlalchemy import text
+from sqlalchemy.exc import InternalError, ProgrammingError
+
+from app.audit import service as audit
+from app.clues import service as clue_svc
+from app.clues.models import ClueStatus, ConfidenceTier
+
+
+def _new_clue(session, score=0.9):
+    return clue_svc.create_clue(
+        session,
+        title="疑似政企拆单",
+        risk_domain="收入",
+        scenario_code="R8",
+        score=score,
+        rationale="8 个客户金额集中在审批阈值边缘，且法人关联同一实控人",
+        evidence={"contracts": 8, "threshold": 1000000},
+        amount_involved=4800000,
+        actor="system",
+    )
+
+
+def test_score_to_confidence_tier():
+    assert clue_svc.score_to_tier(0.9) == ConfidenceTier.HIGH
+    assert clue_svc.score_to_tier(0.6) == ConfidenceTier.MEDIUM
+    assert clue_svc.score_to_tier(0.2) == ConfidenceTier.LOW
+
+
+def test_clue_full_lifecycle(session):
+    clue = _new_clue(session)
+    assert clue.confidence == ConfidenceTier.HIGH
+    assert clue.status == ClueStatus.NEW
+
+    clue_svc.assign(session, clue, assignee="auditor_zhang", actor="manager_li")
+    assert clue.status == ClueStatus.ASSIGNED
+    assert clue.assignee == "auditor_zhang"
+
+    paper = clue_svc.adjudicate(session, clue, confirmed=True, actor="auditor_zhang", note="属实，移交")
+    assert clue.status == ClueStatus.CONFIRMED
+    assert clue.feedback == "confirmed"
+    assert paper.conclusion == "confirmed"
+    assert paper.snapshot["score"] == 0.9
+
+    # 继续闭环：确认 -> 移交 -> 销项
+    clue_svc.transition(session, clue, ClueStatus.TRANSFERRED, actor="manager_li")
+    clue_svc.transition(session, clue, ClueStatus.CLOSED, actor="manager_li")
+    assert clue.status == ClueStatus.CLOSED
+
+
+def test_illegal_transition_rejected(session):
+    clue = _new_clue(session)
+    with pytest.raises(clue_svc.IllegalTransitionError):
+        # NEW 不能直接到 CLOSED
+        clue_svc.transition(session, clue, ClueStatus.CLOSED, actor="x")
+
+
+def test_audit_hash_chain_integrity(session):
+    _new_clue(session)
+    clue = _new_clue(session)
+    clue_svc.assign(session, clue, "auditor_zhang", "manager_li")
+    ok, broken = audit.verify_chain(session)
+    assert ok is True
+    assert broken is None
+
+
+def test_clue_cannot_be_deleted(session):
+    """R19：数据库触发器禁止物理删除线索。"""
+    clue = _new_clue(session)
+    session.flush()
+    with pytest.raises((InternalError, ProgrammingError)):
+        session.execute(text("DELETE FROM clue WHERE id = :i"), {"i": clue.id})
+        session.flush()
+
+
+def test_list_clues_filters(session):
+    _new_clue(session, score=0.9)
+    _new_clue(session, score=0.3)
+    highs = clue_svc.list_clues(session, confidence=ConfidenceTier.HIGH)
+    assert all(c.confidence == ConfidenceTier.HIGH for c in highs)