"""T11 演示脚本冒烟测试：八步都出现、未实现处不伪装、工程与模型效果分列。"""

import contextlib
import io
import sys
import unittest
from pathlib import Path

SCRIPTS = Path(__file__).resolve().parent.parent / "scripts"
sys.path.insert(0, str(SCRIPTS))

import xingbang_prescreen_demo as demo  # noqa: E402


class DemoScriptTests(unittest.TestCase):
    def output(self) -> str:
        buffer = io.StringIO()
        with contextlib.redirect_stdout(buffer):
            code = demo.main()
        self.assertEqual(code, 0)
        return buffer.getvalue()

    def test_every_step_is_reported_with_its_real_status(self):
        text = self.output()
        for index, title, status, _ in demo.STEPS:
            self.assertIn(f"{index}. [{status}] {title}", text)

    def test_unimplemented_steps_say_why(self):
        text = self.output()
        self.assertIn("未实现", text)
        self.assertIn("需要真实历史材料", text)

    def test_engineering_demo_and_model_effects_are_separate_sections(self):
        text = self.output()
        self.assertIn("工程演示", text)
        self.assertIn("模型效果", text)
        self.assertIn("未验证（无权重与授权）", text)
        self.assertIn("Jev：未接通", text)
        self.assertIn("不能作为真实业务效果或审批依据", text)

    def test_real_probability_stays_empty_and_demo_values_are_labeled(self):
        facts = demo.run_demo()
        self.assertTrue(facts["probability_is_null"], "真实概率必须为空")
        self.assertEqual(facts["sandbox"]["baseline"], 0.42)
        self.assertEqual(facts["sandbox"]["combined"], 0.64)
        self.assertIn("人工设定", facts["sandbox"]["label"])
        self.assertEqual(facts["sandbox"]["unchanged_dimensions"], ["DC-DEAL"])

    def test_trajectory_keeps_failures_and_excludes_unmatched_outcomes(self):
        facts = demo.run_demo()
        self.assertTrue(facts["trajectory"]["failed_preserved"])
        self.assertEqual(facts["trajectory"]["unmatched"], 1)
        self.assertEqual(facts["trajectory"]["observed_denominator"], 0,
                         "未匹配材料版本的结果不得进入已观察分母")


if __name__ == "__main__":
    unittest.main()