demand-agent-new/examples/demand/tests/test_mysql_demand_content_sink.py

import json
import sys
import types
import unittest
from unittest.mock import patch


class _FakeCursor:
    def __init__(self):
        self.statements = []
        self.lastrowid = 321

    def __enter__(self):
        return self

    def __exit__(self, exc_type, exc, tb):
        return False

    def execute(self, sql, params=None):
        self.statements.append((sql, params))
        return 1

    def fetchone(self):
        return None


class _FakeConnection:
    def __init__(self):
        self.cursor_obj = _FakeCursor()
        self.committed = False
        self.rolled_back = False
        self.closed = False

    def cursor(self):
        return self.cursor_obj

    def commit(self):
        self.committed = True

    def rollback(self):
        self.rolled_back = True

    def close(self):
        self.closed = True


def _install_fake_pymysql():
    fake_pymysql = types.ModuleType("pymysql")
    fake_pymysql.cursors = types.SimpleNamespace(DictCursor=object)
    fake_pymysql.connect = lambda **kwargs: _FakeConnection()
    sys.modules["pymysql"] = fake_pymysql


def _valid_row():
    evidence_pack = {
        "pattern_source_system": "pg_pattern_v2",
        "source_kind": "pattern_itemset",
        "case_id_type": "post_id",
        "source_certainty": "db_validated",
        "validation_status": "passed",
        "source_post_id": "p1",
        "pattern_execution_id": 581,
        "mining_config_id": 7,
        "itemset_ids": [11],
        "itemset_items": [{"itemset_id": 11, "category_id": 22, "category_path": "A>B"}],
        "category_bindings": [{"category_id": 22, "category_path": "A>B"}],
        "element_bindings": [{"post_id": "p1", "category_id": 22, "element_name": "x"}],
        "support": 0.5,
        "absolute_support": 2,
        "matched_post_ids": ["p1", "p2"],
        "video_ids": ["p1", "p2"],
        "case_ids": ["p1", "p2"],
        "seed_terms": ["x"],
        "query_seed_points": [
            {
                "point_text": "搜索点",
                "point_type": "灵感点",
                "coverage_post_count": 2,
                "rank": 1,
            }
        ],
        "demand_scope": {
            "scope_source": "manual_cli",
            "merge_leve2": "PG Pattern V2 需求测试",
            "platform": "piaoquan",
            "pattern_execution_id": 581,
        },
        "filtered_absolute_support": 2,
        "scoped_post_count": 2,
        "trace_id": "trace-1",
    }
    return {
        "merge_leve2": "PG Pattern V2 需求测试",
        "name": "测试需求",
        "reason": "原因",
        "suggestion": "建议",
        "score": 1.0,
        "dt": "20260606",
        "ext_data": {"evidence_pack": evidence_pack},
    }


class MySQLDemandContentSinkTest(unittest.TestCase):
    def setUp(self):
        _install_fake_pymysql()

    def test_insert_updates_evidence_pack_with_real_mysql_id(self):
        from examples.demand import mysql_demand_content_sink as sink

        fake_conn = _FakeConnection()
        with patch.object(sink, "_connect", return_value=fake_conn):
            result = sink.write_demand_content_rows([_valid_row()], run_label="batch01")

        self.assertEqual(result.inserted_count, 1)
        self.assertEqual(result.inserted_ids, [321])
        self.assertTrue(fake_conn.committed)
        update_statements = [
            params
            for sql, params in fake_conn.cursor_obj.statements
            if sql.strip().startswith("UPDATE demand_content")
        ]
        self.assertEqual(len(update_statements), 1)
        updated_ext_data = json.loads(update_statements[0][0])
        self.assertEqual(updated_ext_data["run_label"], "batch01")
        self.assertEqual(updated_ext_data["evidence_pack"]["demand_content_id"], 321)

    def test_rejects_rows_without_required_pg_evidence(self):
        from examples.demand import mysql_demand_content_sink as sink

        row = _valid_row()
        row["ext_data"]["evidence_pack"]["pattern_source_system"] = "mysql_topic_pattern"

        with patch.object(sink, "_connect", return_value=_FakeConnection()):
            with self.assertRaisesRegex(ValueError, "pattern_source_system"):
                sink.write_demand_content_rows([row], run_label="batch01")

    def test_rejects_rows_with_mismatched_case_or_video_ids(self):
        from examples.demand import mysql_demand_content_sink as sink

        row = _valid_row()
        row["ext_data"]["evidence_pack"]["case_ids"] = ["p1"]

        with patch.object(sink, "_connect", return_value=_FakeConnection()):
            with self.assertRaisesRegex(ValueError, "case_ids"):
                sink.write_demand_content_rows([row], run_label="batch01")

    def test_rejects_rows_when_support_is_not_covered_by_posts(self):
        from examples.demand import mysql_demand_content_sink as sink

        row = _valid_row()
        row["ext_data"]["evidence_pack"]["absolute_support"] = 3
        row["ext_data"]["evidence_pack"].pop("filtered_absolute_support")
        row["ext_data"]["evidence_pack"].pop("scoped_post_count")

        with patch.object(sink, "_connect", return_value=_FakeConnection()):
            with self.assertRaisesRegex(ValueError, "absolute_support"):
                sink.write_demand_content_rows([row], run_label="batch01")

    def test_rejects_rows_without_query_seed_points(self):
        from examples.demand import mysql_demand_content_sink as sink

        row = _valid_row()
        row["ext_data"]["evidence_pack"].pop("query_seed_points")

        with patch.object(sink, "_connect", return_value=_FakeConnection()):
            with self.assertRaisesRegex(ValueError, "query_seed_points"):
                sink.write_demand_content_rows([row], run_label="batch01")

    def test_rejects_invalid_query_seed_point_type(self):
        from examples.demand import mysql_demand_content_sink as sink

        row = _valid_row()
        row["ext_data"]["evidence_pack"]["query_seed_points"][0]["point_type"] = "关键点"

        with patch.object(sink, "_connect", return_value=_FakeConnection()):
            with self.assertRaisesRegex(ValueError, "point_type"):
                sink.write_demand_content_rows([row], run_label="batch01")

    def test_rejects_mismatched_demand_scope(self):
        from examples.demand import mysql_demand_content_sink as sink

        row = _valid_row()
        row["ext_data"]["evidence_pack"]["demand_scope"]["merge_leve2"] = "其他品类"

        with patch.object(sink, "_connect", return_value=_FakeConnection()):
            with self.assertRaisesRegex(ValueError, "demand_scope"):
                sink.write_demand_content_rows([row], run_label="batch01")

    def test_rejects_multiple_itemset_ids(self):
        from examples.demand import mysql_demand_content_sink as sink

        row = _valid_row()
        row["ext_data"]["evidence_pack"]["itemset_ids"] = [11, 12]

        with patch.object(sink, "_connect", return_value=_FakeConnection()):
            with self.assertRaisesRegex(ValueError, "exactly one"):
                sink.write_demand_content_rows([row], run_label="batch01")


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