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48 lines
1.6 KiB
Python
48 lines
1.6 KiB
Python
"""配置快照与窄读写端口测试。"""
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import asyncio
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from unittest.mock import AsyncMock, MagicMock
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from app.application.configuration import (
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SystemConfigService,
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TransferRetryConfig,
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configure_transfer_retry_config,
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get_transfer_retry_config,
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)
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def test_system_config_service_supports_separate_reader_and_writer() -> None:
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"""应用服务可以分别注入只读与写入适配器。"""
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reader = MagicMock()
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reader.get.return_value = "old"
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reader.async_get = AsyncMock(return_value="async-old")
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writer = MagicMock()
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writer.set.return_value = True
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writer.async_set = AsyncMock(return_value=True)
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service = SystemConfigService(reader=reader, writer=writer)
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assert service.get("key") == "old"
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assert service.set("key", "new") is True
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assert asyncio.run(service.async_get("key")) == "async-old"
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assert asyncio.run(service.async_set("key", "new")) is True
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service.delete("key")
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reader.get.assert_called_once_with("key")
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writer.set.assert_called_once_with("key", "new")
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writer.delete.assert_called_once_with("key")
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def test_transfer_retry_provider_returns_frozen_snapshot_per_call() -> None:
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"""配置工厂在每次用例入口创建新快照，旧快照不受 reload 后状态影响。"""
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state = {"value": 2}
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configure_transfer_retry_config(
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lambda: TransferRetryConfig(max_failed_retries=state["value"])
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)
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before_reload = get_transfer_retry_config()
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state["value"] = 4
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after_reload = get_transfer_retry_config()
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assert before_reload.max_failed_retries == 2
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assert after_reload.max_failed_retries == 4
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