Files
selfrelease 74e35fed96 feat: 添加可配置场景注册表与规则引擎
- 新增场景基类、配置加载、注册表与原语模块
- 添加 r10_refund_split 规则及场景 JSON Schema
- 扩展 scan 引擎与 scenarios API
- 新增场景注册表/配置/集成测试
- 更新前端 App、api、labels 支持新场景
2026-06-17 09:57:02 +08:00

75 lines
2.7 KiB
Python

"""场景插件框架测试:注册表、场景 scan() 产出、/scenarios API(纯逻辑,无需数据库)。"""
from __future__ import annotations
from fastapi.testclient import TestClient
from app.main import app
from app.scenarios.base import ScanOutcome
from app.scenarios.churn_fraud import ChurnFraudScenario, CohortPoint
from app.scenarios.registry import SCENARIO_REGISTRY, get_scenario, scenario_meta
from app.scenarios.split_contract import ContractRecord, SplitContractScenario
def test_registry_contains_builtin_scenarios():
# 导入 app.scenarios.* 已通过自动发现触发 @register_scenario 注册 R8/R9
assert "R8" in SCENARIO_REGISTRY
assert "R9" in SCENARIO_REGISTRY
assert get_scenario("R8") is SplitContractScenario
assert get_scenario("R9") is ChurnFraudScenario
def test_scenario_meta_fields():
meta = {m["code"]: m for m in scenario_meta()}
assert meta["R8"]["label"] == "政企拆单"
assert meta["R8"]["risk_domain"] == "收入"
assert meta["R9"]["label"] == "养卡骗补"
assert set(meta["R8"]) == {"code", "title", "label", "risk_domain"}
def test_split_scenario_scan_hits():
contracts = [ContractRecord(f"C{i}", f"CUST{i}", 850000) for i in range(8)]
scenario = SplitContractScenario(
contracts, approval_threshold=1_000_000, shared_controller=True
)
outcome = scenario.scan(None)
assert isinstance(outcome, ScanOutcome)
assert outcome.scanned_count == 8
assert len(outcome.drafts) == 1
draft = outcome.drafts[0]
assert draft.score >= scenario.score_threshold
assert draft.amount_involved > 0
assert draft.evidence["shared_controller"] is True
def test_split_scenario_no_draft_when_clean():
contracts = [ContractRecord("C1", "A", 100000), ContractRecord("C2", "B", 3_000_000)]
outcome = SplitContractScenario(contracts, approval_threshold=1_000_000).scan(None)
assert outcome.drafts == []
assert outcome.scanned_count == 2
def test_churn_scenario_scan_produces_draft():
curve = [CohortPoint(0, 1.0), CohortPoint(1, 0.95), CohortPoint(2, 0.1)]
scenario = ChurnFraudScenario(
retention_curve=curve,
commission_paid=300000,
active_ratio=0.05,
zero_usage_ratio=0.9,
channel_key="CH-001",
)
outcome = scenario.scan(None)
assert outcome.scanned_count == 3
assert len(outcome.drafts) == 1
draft = outcome.drafts[0]
assert draft.subjects["channel"] == "CH-001"
assert draft.score >= scenario.score_threshold
def test_scenarios_api_endpoint():
client = TestClient(app)
resp = client.get("/scenarios")
assert resp.status_code == 200
codes = {item["code"] for item in resp.json()}
assert {"R8", "R9"} <= codes