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deer-flow/backend/tests/test_storage_json_compat.py
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2026-05-13 12:52:34 +08:00

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Python

from __future__ import annotations
import os
from pathlib import Path
import pytest
from sqlalchemy import Column, MetaData, String, Table
from sqlalchemy.dialects import mysql, postgresql
from sqlalchemy.types import JSON
os.environ.setdefault("DEER_FLOW_CONFIG_PATH", str(Path(__file__).resolve().parents[2] / "config.example.yaml"))
from store.persistence.json_compat import json_match
def _table():
metadata = MetaData()
return Table("t", metadata, Column("data", JSON), Column("id", String))
def test_storage_json_match_compiles_sqlite() -> None:
from sqlalchemy import create_engine
table = _table()
dialect = create_engine("sqlite://").dialect
assert str(json_match(table.c.data, "k", None).compile(dialect=dialect, compile_kwargs={"literal_binds": True})) == ("json_type(t.data, '$.\"k\"') = 'null'")
assert str(json_match(table.c.data, "k", True).compile(dialect=dialect, compile_kwargs={"literal_binds": True})) == ("json_type(t.data, '$.\"k\"') = 'true'")
int_sql = str(json_match(table.c.data, "k", 42).compile(dialect=dialect, compile_kwargs={"literal_binds": True}))
assert "= 'integer'" in int_sql
assert "CAST" in int_sql
float_sql = str(json_match(table.c.data, "k", 3.14).compile(dialect=dialect, compile_kwargs={"literal_binds": True}))
assert "IN ('integer', 'real')" in float_sql
assert "REAL" in float_sql
def test_storage_json_match_compiles_postgres() -> None:
table = _table()
dialect = postgresql.dialect()
assert str(json_match(table.c.data, "k", None).compile(dialect=dialect, compile_kwargs={"literal_binds": True})) == ("json_typeof(t.data -> 'k') = 'null'")
assert str(json_match(table.c.data, "k", False).compile(dialect=dialect, compile_kwargs={"literal_binds": True})) == ("(json_typeof(t.data -> 'k') = 'boolean' AND (t.data ->> 'k') = 'false')")
int_sql = str(json_match(table.c.data, "k", 42).compile(dialect=dialect, compile_kwargs={"literal_binds": True}))
assert "CASE WHEN" in int_sql
assert "BIGINT" in int_sql
assert "'^-?[0-9]+$'" in int_sql
def test_storage_json_match_compiles_mysql() -> None:
table = _table()
dialect = mysql.dialect()
null_sql = str(json_match(table.c.data, "k", None).compile(dialect=dialect, compile_kwargs={"literal_binds": True}))
assert null_sql == "JSON_TYPE(JSON_EXTRACT(t.data, '$.\"k\"')) = 'NULL'"
bool_sql = str(json_match(table.c.data, "k", True).compile(dialect=dialect, compile_kwargs={"literal_binds": True}))
assert "JSON_TYPE(JSON_EXTRACT" in bool_sql
assert "= 'BOOLEAN'" in bool_sql
assert "= 'true'" in bool_sql
int_sql = str(json_match(table.c.data, "k", 42).compile(dialect=dialect, compile_kwargs={"literal_binds": True}))
assert "= 'INTEGER'" in int_sql
assert "SIGNED" in int_sql
def test_storage_json_match_rejects_unsafe_keys_and_values() -> None:
table = _table()
for bad_key in ["a.b", "bad;key", "with space", "", 42, None]:
with pytest.raises(ValueError, match="JsonMatch key must match"):
json_match(table.c.data, bad_key, "x") # type: ignore[arg-type]
for bad_value in [[], {}, object()]:
with pytest.raises(TypeError, match="JsonMatch value must be"):
json_match(table.c.data, "k", bad_value)
with pytest.raises(TypeError, match="out of signed 64-bit range"):
json_match(table.c.data, "k", 2**63)