"""config.py 配置聚合测试(设计 §8): 多源命名、键优先级、缺失报错。""" import contextlib import dataclasses import pytest from loguru import logger from polygateway.client import GatewayClient from polygateway.config import EmbeddingSettings, GatewaySettings, OcrSettings _BASE_ENV = { "LLM__QWEN__1__BASE_URL": "https://gw-a.example/v1", "LLM__QWEN__1__API_KEY": "sk-a", "LLM__QWEN__1__MODEL": "qwen-max", "LLM__QWEN__1__TIMEOUT_S": "120", "LLM_MAX_RETRIES": "3", "LLM_RETRY_BASE_DELAY": "2.0", "LLM_RETRY_MAX_DELAY": "30.0", "LLM_CIRCUIT_BREAKER_THRESHOLD": "5", "LLM_CIRCUIT_BREAKER_COOLDOWN": "60", "PGW_CACHE_BACKEND": "none", "PGW_TELEMETRY_BACKEND": "none", } @contextlib.contextmanager def _captured_warnings(): """捕获库发出的 WARNING;loguru 不经标准 logging,pytest 的 caplog 抓不到。""" messages: list[str] = [] sink_id = logger.add(messages.append, level="WARNING") try: yield messages finally: logger.remove(sink_id) def _env(**overrides): env = dict(_BASE_ENV) env.update({k: v for k, v in overrides.items() if v is not None}) for k, v in overrides.items(): if v is None: env.pop(k, None) return env class TestSourceAggregation: def test_single_source_parsed(self): s = GatewaySettings.from_env("LLM", env=_env()) assert len(s.sources) == 1 src = s.sources[0] assert src.name == "qwen_1" and src.provider == "qwen" assert src.base_url == "https://gw-a.example/v1" and src.timeout_s == 120.0 def test_multi_source_and_optional_fields(self): env = _env( **{ "LLM__DEEPSEEK__2__BASE_URL": "https://gw-b.example/v1", "LLM__DEEPSEEK__2__API_KEY": "sk-b", "LLM__DEEPSEEK__2__MODEL": "deepseek-chat", "LLM__DEEPSEEK__2__TIMEOUT_S": "90", "LLM__DEEPSEEK__2__RPM": "60", "LLM__DEEPSEEK__2__ENABLE_THINKING": "true", "LLM__DEEPSEEK__2__MISSING_DONE": "salvage", } ) s = GatewaySettings.from_env("LLM", env=env) by_name = {src.name: src for src in s.sources} assert set(by_name) == {"qwen_1", "deepseek_2"} ds = by_name["deepseek_2"] assert ds.rpm == 60 and ds.enable_thinking is True and ds.missing_done == "salvage" assert by_name["qwen_1"].enable_thinking is None # 未配置 = 三态 None def test_other_scope_keys_ignored(self): env = _env( **{ "OCR__MONKEY__1__BASE_URL": "http://lan/parse", "OCR__MONKEY__1__API_KEY": "x", "OCR__MONKEY__1__MODEL": "monkey", "OCR__MONKEY__1__TIMEOUT_S": "60", } ) s = GatewaySettings.from_env("LLM", env=env) assert len(s.sources) == 1 def test_flat_timeout_is_source_default(self): env = _env(LLM_TIMEOUT="300", **{"LLM__QWEN__1__TIMEOUT_S": None}) s = GatewaySettings.from_env("LLM", env=env) assert s.sources[0].timeout_s == 300.0 @pytest.mark.parametrize("missing", ["BASE_URL", "API_KEY", "MODEL"]) def test_missing_required_source_field_fails(self, missing): with pytest.raises(ValueError, match=missing): GatewaySettings.from_env("LLM", env=_env(**{f"LLM__QWEN__1__{missing}": None})) def test_unknown_field_fails_loudly(self): with pytest.raises(ValueError, match="TEMPRATURE"): GatewaySettings.from_env("LLM", env=_env(**{"LLM__QWEN__1__TEMPRATURE": "0.7"})) def test_no_sources_fails(self): env = {k: v for k, v in _BASE_ENV.items() if not k.startswith("LLM__")} with pytest.raises(ValueError, match="源"): GatewaySettings.from_env("LLM", env=env) class TestExtraBodyParsing: """配置级采样参数的 env 解析(issue #4 Task 2)。""" def test_json_object_parsed(self): env = _env(**{"LLM__QWEN__1__EXTRA_BODY": '{"temperature": 0, "seed": 42}'}) s = GatewaySettings.from_env("LLM", env=env) assert s.sources[0].extra_body == {"temperature": 0, "seed": 42} def test_absent_defaults_to_empty(self): assert GatewaySettings.from_env("LLM", env=_env()).sources[0].extra_body == {} def test_invalid_json_fails_loudly(self): env = _env(**{"LLM__QWEN__1__EXTRA_BODY": "{invalid"}) with pytest.raises(ValueError, match="EXTRA_BODY"): GatewaySettings.from_env("LLM", env=env) def test_non_object_json_fails(self): """数组/标量都不是请求体片段,静默接受会让参数悄悄不生效。""" env = _env(**{"LLM__QWEN__1__EXTRA_BODY": "[1, 2]"}) with pytest.raises(ValueError, match="JSON 对象"): GatewaySettings.from_env("LLM", env=env) def test_protected_key_rejected_through_assembly(self): """校验确实挂在装配路径上(而非只在 types.py 里孤立存在)。""" env = _env(**{"LLM__QWEN__1__EXTRA_BODY": '{"model": "sneaky"}'}) with pytest.raises(ValueError, match="model"): GatewaySettings.from_env("LLM", env=env) class TestResilienceKeys: def test_flat_legacy_keys(self): s = GatewaySettings.from_env("LLM", env=_env()) assert s.retry.max_attempts == 3 and s.retry.backoff_base_s == 2.0 assert s.breaker.fail_threshold == 5 and s.breaker.cooldown_s == 60.0 def test_scope_keys_override_flat(self): env = _env(**{"LLM__RETRY__MAX_ATTEMPTS": "7", "LLM__BREAKER__COOLDOWN_S": "15"}) s = GatewaySettings.from_env("LLM", env=env) assert s.retry.max_attempts == 7 assert s.breaker.cooldown_s == 15.0 assert s.breaker.fail_threshold == 5 # 未覆盖的仍取平铺键 def test_missing_retry_config_fails(self): with pytest.raises(ValueError, match="MAX_RETRIES|MAX_ATTEMPTS"): GatewaySettings.from_env("LLM", env=_env(LLM_MAX_RETRIES=None)) def test_probe_ttl_derived_when_absent(self): s = GatewaySettings.from_env("LLM", env=_env()) # 派生规则(M2 补第三项): max(2 × 最大源 timeout, cooldown, 最大源 timeout + 5) assert s.breaker.probe_ttl_s == max(2 * 120.0, 60.0, 120.0 + 5) s2 = GatewaySettings.from_env("LLM", env=_env(**{"LLM__BREAKER__PROBE_TTL_S": "300"})) assert s2.breaker.probe_ttl_s == 300.0 def test_probe_ttl_derivation_third_term_wins(self): # timeout=4、cooldown=2 → max(8, 2, 9) = 9;守卫 9 ≥ 4+5 恰好成立不报错 env = _env( LLM_CIRCUIT_BREAKER_COOLDOWN="2", **{"LLM__QWEN__1__TIMEOUT_S": "4"}, ) s = GatewaySettings.from_env("LLM", env=env) assert s.breaker.probe_ttl_s == 9.0 def test_explicit_probe_ttl_below_guard_rejected(self): # 守卫: probe_ttl_s ≥ max(timeout_s) + 5(CHS container 语义,M2 设计 §3) with pytest.raises(ValueError, match="probe"): GatewaySettings.from_env("LLM", env=_env(**{"LLM__BREAKER__PROBE_TTL_S": "45"})) def test_circuit_open_defaults_to_fail_fast(self): """issue #14: 熔断拒绝的处置策略。 缺省**不跟随** quota_full 的 wait——把最坏墙钟从毫秒抬到 stall 窗口 是"快速失败 → 长时间挂起"这个最危险的方向,不能强加给存量下游。 """ assert GatewaySettings.from_env("LLM", env=_env()).circuit_open == "fail_fast" waiting = GatewaySettings.from_env("LLM", env=_env(**{"LLM__CIRCUIT_OPEN": "wait"})) assert waiting.circuit_open == "wait" with pytest.raises(ValueError, match="CIRCUIT_OPEN"): GatewaySettings.from_env("LLM", env=_env(**{"LLM__CIRCUIT_OPEN": "block"})) def test_selector_and_quota_full(self): # M2.5: 缺省选源改 health_aware(生产级默认);显式配置者不变 s = GatewaySettings.from_env("LLM", env=_env()) assert s.selector == "health_aware" and s.quota_full == "wait" assert ( GatewaySettings.from_env("LLM", env=_env(**{"LLM__SELECTOR": "round_robin"})).selector == "round_robin" ) s2 = GatewaySettings.from_env( "LLM", env=_env(**{"LLM__SELECTOR": "least_inflight", "LLM__QUOTA_FULL": "fail_fast"}) ) assert s2.selector == "least_inflight" and s2.quota_full == "fail_fast" with pytest.raises(ValueError): GatewaySettings.from_env("LLM", env=_env(**{"LLM__SELECTOR": "random"})) def test_global_limits(self): env = _env(**{"LLM__GLOBAL__MAX_CONCURRENCY": "8", "LLM__GLOBAL__RPM": "120"}) s = GatewaySettings.from_env("LLM", env=env) assert s.global_limits.max_concurrency == 8 and s.global_limits.rpm == 120 assert s.global_limits.tpm == 0 class TestAssemblyGuards: def test_structured_retries_default_two(self): # M2.5 迭代 4: 缺省重问 1→2(instructor 缺省 3 的保守版;P6 阶梯死亡 3.2% 实证) s = GatewaySettings.from_env("LLM", env=_env()) assert s.structured_max_retries == 2 s2 = GatewaySettings.from_env("LLM", env=_env(PGW_STRUCTURED_MAX_RETRIES="0")) assert s2.structured_max_retries == 0 def test_negative_structured_retries_rejected_with_env_key(self): """env 层的检查保留是为了报错能点出键名(构造期那道点的是字段名)。""" with pytest.raises(ValueError, match="PGW_STRUCTURED_MAX_RETRIES"): GatewaySettings.from_env("LLM", env=_env(PGW_STRUCTURED_MAX_RETRIES="-1")) def test_cache_requires_namespace_and_ttl(self): env = _env(PGW_CACHE_BACKEND="memory") with pytest.raises(ValueError, match="NAMESPACE"): GatewaySettings.from_env("LLM", env=env) env2 = _env(PGW_CACHE_BACKEND="memory", PGW_CACHE_NAMESPACE="proj", PGW_CACHE_TTL_S="0") with pytest.raises(ValueError, match="TTL"): GatewaySettings.from_env("LLM", env=env2) env3 = _env(PGW_CACHE_BACKEND="memory", PGW_CACHE_NAMESPACE="proj", PGW_CACHE_TTL_S="3600") s = GatewaySettings.from_env("LLM", env=env3) assert s.cache_namespace == "proj" and s.cache_ttl_s == 3600 def test_redis_cache_requires_url(self): env = _env(PGW_CACHE_BACKEND="redis", PGW_CACHE_NAMESPACE="proj", PGW_CACHE_TTL_S="3600") with pytest.raises(ValueError, match="REDIS_URL"): GatewaySettings.from_env("LLM", env=env) def test_sqlite_telemetry_requires_path(self): env = _env(PGW_TELEMETRY_BACKEND="sqlite") with pytest.raises(ValueError, match="SQLITE_PATH"): GatewaySettings.from_env("LLM", env=env) def test_timeout_must_fit_lease_ttl(self): env = _env(PGW_LEASE_TTL_S="60", **{"LLM__QWEN__1__TIMEOUT_S": "120"}) with pytest.raises(ValueError, match="租约|lease"): GatewaySettings.from_env("LLM", env=env) def test_effective_breaker_threshold_auto_raised(self): env = _env(**{"LLM__QWEN__1__MAX_CONCURRENCY": "8"}) s = GatewaySettings.from_env("LLM", env=env) # 有效阈值 = max(配置值 5, 源级并发 8 × 2) = 16(M2.5: 抬升只看源级) assert s.breaker.fail_threshold == 16 def test_breaker_threshold_not_raised_by_global_concurrency(self): # M2.5 病灶 2 回归: 全局并发不再抬升阈值(M2 曾 max(5, 100×2)=200 使熔断失灵) env = _env(**{"LLM__GLOBAL__MAX_CONCURRENCY": "100", "LLM__GLOBAL__RPM": "600"}) s = GatewaySettings.from_env("LLM", env=env) assert s.breaker.fail_threshold == 5 def test_breaker_rate_channel_defaults_and_overrides(self): # M2.5 失败率通道参数: 库缺省(韧性参数缺省先例)与显式覆盖 s = GatewaySettings.from_env("LLM", env=_env()) assert s.breaker.min_calls == 10 assert s.breaker.fail_rate == pytest.approx(0.6) assert s.breaker.window_s == pytest.approx(60.0) assert s.breaker.max_cooldown_s == pytest.approx(300.0) # max(300, cooldown 60) env = _env( **{ "LLM__BREAKER__MIN_CALLS": "20", "LLM__BREAKER__FAIL_RATE": "0.5", "LLM__BREAKER__WINDOW_S": "30", "LLM__BREAKER__MAX_COOLDOWN_S": "600", "LLM_CIRCUIT_BREAKER_COOLDOWN": "400", } ) s2 = GatewaySettings.from_env("LLM", env=env) assert s2.breaker.min_calls == 20 and s2.breaker.fail_rate == pytest.approx(0.5) assert s2.breaker.window_s == pytest.approx(30.0) assert s2.breaker.max_cooldown_s == pytest.approx(600.0) def test_breaker_max_cooldown_floor_follows_cooldown(self): # 缺省封顶 = max(300, cooldown): 冷却 400s 时封顶随之 400s env = _env(**{"LLM_CIRCUIT_BREAKER_COOLDOWN": "400"}) s = GatewaySettings.from_env("LLM", env=env) assert s.breaker.max_cooldown_s == pytest.approx(400.0) def test_redis_governance_backend_requires_url(self): """M2 解禁 redis 后端: 取 redis 时 REDIS_URL 必在,缺则装配报错。""" env = _env( PGW_LIMITER_BACKEND="redis", PGW_BREAKER_BACKEND="redis", REDIS_URL="redis://:pw@10.0.0.1:6379/3", ) s = GatewaySettings.from_env("LLM", env=env) assert s.limiter_backend == "redis" and s.breaker_backend == "redis" with pytest.raises(ValueError, match="REDIS_URL"): GatewaySettings.from_env("LLM", env=_env(PGW_LIMITER_BACKEND="redis")) def test_postgres_telemetry_requires_dsn_and_strips_driver_suffix(self): """M2: telemetry=postgres 需 PGW_TELEMETRY_PG_DSN;SQLAlchemy 风格驱动后缀剥离。""" with pytest.raises(ValueError, match="PG_DSN"): GatewaySettings.from_env("LLM", env=_env(PGW_TELEMETRY_BACKEND="postgres")) env = _env( PGW_TELEMETRY_BACKEND="postgres", PGW_TELEMETRY_PG_DSN="postgresql+psycopg://u:p@h:5432/polygateway", ) s = GatewaySettings.from_env("LLM", env=env) assert s.telemetry_pg_dsn == "postgresql://u:p@h:5432/polygateway" env2 = _env( PGW_TELEMETRY_BACKEND="postgres", PGW_TELEMETRY_PG_DSN="postgresql+asyncpg://u:p@h:5432/polygateway", ) assert ( GatewaySettings.from_env("LLM", env=env2).telemetry_pg_dsn == "postgresql://u:p@h:5432/polygateway" ) def test_telemetry_backend_whitelist(self): with pytest.raises(ValueError, match="TELEMETRY_BACKEND"): GatewaySettings.from_env("LLM", env=_env(PGW_TELEMETRY_BACKEND="mysql")) def test_cache_backend_whitelist(self): """对称于上一条: env 层的域检查保留是为了报错能点出键名,得有测试守着。""" with pytest.raises(ValueError, match="CACHE_BACKEND"): GatewaySettings.from_env("LLM", env=_env(PGW_CACHE_BACKEND="rediss")) def test_pricing_path_optional(self): assert GatewaySettings.from_env("LLM", env=_env()).pricing_path is None s = GatewaySettings.from_env("LLM", env=_env(PGW_PRICING_PATH="conf/prices.json")) assert s.pricing_path == "conf/prices.json" def test_stall_window_must_cover_ttft(self): """守卫: stall_window_s ≥ 最大 ttft_timeout_s(防误判卡死,ARCH §7.3)。""" env = _env( **{ "LLM__QWEN__1__TTFT_TIMEOUT_S": "30", "LLM__QWEN__1__INTER_TOKEN_TIMEOUT_S": "15", "LLM__BACKPRESSURE__STALL_WINDOW_S": "20", } ) with pytest.raises(ValueError, match="stall"): GatewaySettings.from_env("LLM", env=env) env_ok = dict(env) env_ok["LLM__BACKPRESSURE__STALL_WINDOW_S"] = "60" assert GatewaySettings.from_env("LLM", env=env_ok).backpressure.stall_window_s == 60.0 class TestTelemetrySchemaMode: """PGW_TELEMETRY_SCHEMA_MODE 三态(issue #13 设计 §4.1)。 键未设时按后端**不对称**派生: SQLite 是下游自己的本地文件(没有 DBA、 没有迁移工具、没有第二个系统碰它),补列是毫秒级元数据操作,故默认 auto; PG 是共享生产表,ALTER 取 ACCESS EXCLUSIVE 锁会阻塞该表其后的所有查询, 而遥测是业务路径上的内联 await,故默认 manual。显式设置两侧都可覆盖—— "可覆盖"正是三态相对两态多出来的那一态,派生本身盖不住它。 """ def _sqlite_env(self, **overrides): return _env( PGW_TELEMETRY_BACKEND="sqlite", PGW_TELEMETRY_SQLITE_PATH="logs/telemetry.db", **overrides, ) def _pg_env(self, **overrides): return _env( PGW_TELEMETRY_BACKEND="postgres", PGW_TELEMETRY_PG_DSN="postgresql://u:p@h:5432/polygateway", **overrides, ) def test_unset_key_derives_auto_for_sqlite(self): s = GatewaySettings.from_env("LLM", env=self._sqlite_env()) assert s.telemetry_auto_migrate is True def test_unset_key_derives_manual_for_postgres(self): s = GatewaySettings.from_env("LLM", env=self._pg_env()) assert s.telemetry_auto_migrate is False def test_unset_key_derives_manual_for_none_backend(self): """backend=none 无 recorder 消费该字段,派生结果必须是 False 而非 sqlite 那档。""" s = GatewaySettings.from_env("LLM", env=_env()) assert s.telemetry_auto_migrate is False def test_explicit_manual_overrides_sqlite_default(self): s = GatewaySettings.from_env( "LLM", env=self._sqlite_env(PGW_TELEMETRY_SCHEMA_MODE="manual") ) assert s.telemetry_auto_migrate is False def test_explicit_auto_overrides_postgres_default(self): s = GatewaySettings.from_env("LLM", env=self._pg_env(PGW_TELEMETRY_SCHEMA_MODE="auto")) assert s.telemetry_auto_migrate is True def test_invalid_mode_rejected_naming_the_env_key(self): """报错须点出 env 键名: 这条路的调用方看得懂的是键名,不是字段名。""" with pytest.raises(ValueError, match="PGW_TELEMETRY_SCHEMA_MODE"): GatewaySettings.from_env( "LLM", env=self._sqlite_env(PGW_TELEMETRY_SCHEMA_MODE="enabled") ) class TestTelemetryTextCap: """`PGW_TELEMETRY_TEXT_CAP`(issue #12): 二态键,未设即不截断。 与 `PGW_TELEMETRY_SCHEMA_MODE` 的三态不同,这里"未设"本身就是最终答案 (不截断),没有需要按后端派生的第二种缺省,故不走 `_load_choice` 那套。 """ def test_unset_key_means_no_truncation(self): """缺省不截断是人类决策: 截断后的遥测不再是审计证据、无法复现重放。""" assert GatewaySettings.from_env("LLM", env=_env()).telemetry_text_cap is None def test_positive_value_is_parsed_as_int(self): s = GatewaySettings.from_env("LLM", env=_env(PGW_TELEMETRY_TEXT_CAP="2000")) assert s.telemetry_text_cap == 2000 @pytest.mark.parametrize("raw", ["0", "-1"]) def test_non_positive_rejected(self, raw): """0 会把每条正文退化成一个省略标记,负数无意义;都不是"不截断"的写法。""" with pytest.raises(ValueError, match="PGW_TELEMETRY_TEXT_CAP"): GatewaySettings.from_env("LLM", env=_env(PGW_TELEMETRY_TEXT_CAP=raw)) def test_non_integer_rejected_naming_the_env_key(self): """报错须点出 env 键名: 这条路的调用方看得懂的是键名,不是字段名。""" with pytest.raises(ValueError, match="PGW_TELEMETRY_TEXT_CAP"): GatewaySettings.from_env("LLM", env=_env(PGW_TELEMETRY_TEXT_CAP="2k")) class TestTelemetryPoolKeys: """`PGW_TELEMETRY_PG_POOL_MAX` / `PGW_TELEMETRY_PG_WRITE_TIMEOUT_S`(issue #15)。 两键都带 `PG` 前缀,与 `PGW_TELEMETRY_PG_DSN` 一致: SQLite 侧没有池、也没有 等价的写入预算旋钮,这个不对称是已知且有理由的。缺省值(4 / 5.0)只写在 config 一处——recorder 的两个同名参数是必填 keyword-only,不许各带一份缺省。 """ def _pg_env(self, **overrides): return _env( PGW_TELEMETRY_BACKEND="postgres", PGW_TELEMETRY_PG_DSN="postgresql://u:p@h:5432/polygateway", **overrides, ) def test_unset_keys_fall_back_to_the_documented_defaults(self): s = GatewaySettings.from_env("LLM", env=self._pg_env()) assert s.telemetry_pg_pool_max == 4 assert s.telemetry_pg_write_timeout_s == 5.0 def test_values_parsed_from_env(self): s = GatewaySettings.from_env( "LLM", env=self._pg_env(PGW_TELEMETRY_PG_POOL_MAX="8", PGW_TELEMETRY_PG_WRITE_TIMEOUT_S="1.5"), ) assert s.telemetry_pg_pool_max == 8 assert s.telemetry_pg_write_timeout_s == 1.5 @pytest.mark.parametrize("raw", ["0", "-1"]) def test_non_positive_pool_max_rejected_naming_the_env_key(self, raw): """池上限 0 = 永远拿不到连接(遥测全灭),负数无意义。""" with pytest.raises(ValueError, match="PGW_TELEMETRY_PG_POOL_MAX"): GatewaySettings.from_env("LLM", env=self._pg_env(PGW_TELEMETRY_PG_POOL_MAX=raw)) @pytest.mark.parametrize("raw", ["0", "-1"]) def test_non_positive_write_timeout_rejected_naming_the_env_key(self, raw): """预算 0 = 每一行都当场超预算;不设预算不是这个键的写法。""" with pytest.raises(ValueError, match="PGW_TELEMETRY_PG_WRITE_TIMEOUT_S"): GatewaySettings.from_env("LLM", env=self._pg_env(PGW_TELEMETRY_PG_WRITE_TIMEOUT_S=raw)) def test_non_numeric_rejected_naming_the_env_key(self): with pytest.raises(ValueError, match="PGW_TELEMETRY_PG_POOL_MAX"): GatewaySettings.from_env("LLM", env=self._pg_env(PGW_TELEMETRY_PG_POOL_MAX="many")) @pytest.mark.parametrize( ("field", "value"), [("telemetry_pg_pool_max", 0), ("telemetry_pg_write_timeout_s", 0.0)], ) def test_direct_construction_and_replace_are_validated_too(self, field, value): """env 路只覆盖 from_env;直接构造与 replace 是同等官方的装配路(与 text_cap 同款)。""" base = GatewaySettings.from_env("LLM", env=_env()) with pytest.raises(ValueError, match=field): dataclasses.replace(base, **{field: value}) def test_values_reach_the_recorder(self): """配置到 recorder 之间不得断链——两个键唯一的作用就是抵达那里。""" from polygateway.client import _build_telemetry settings = GatewaySettings.from_env( "LLM", env=self._pg_env(PGW_TELEMETRY_PG_POOL_MAX="7", PGW_TELEMETRY_PG_WRITE_TIMEOUT_S="2.5"), ) recorder = _build_telemetry(settings) assert recorder._pool_max == 7 assert recorder._write_timeout_s == 2.5 class TestOcrSettings: """M3 OcrSettings(设计 §3.4): 复用 GatewaySettings,无 OCR 专用键。""" _OCR_ENV = { "OCR__MONKEY__1__BASE_URL": "http://10.77.0.20:7866", "OCR__MONKEY__1__API_KEY": "none", # 无鉴权占位惯例 "OCR__MONKEY__1__MODEL": "monkey-ocr", "OCR__MONKEY__1__TIMEOUT_S": "120", "LLM_MAX_RETRIES": "3", "LLM_RETRY_BASE_DELAY": "2.0", "LLM_RETRY_MAX_DELAY": "30.0", "LLM_CIRCUIT_BREAKER_THRESHOLD": "5", "LLM_CIRCUIT_BREAKER_COOLDOWN": "60", "PGW_CACHE_BACKEND": "none", "PGW_TELEMETRY_BACKEND": "none", } def test_minimal_ocr_scope(self): from polygateway.config import OcrSettings settings = OcrSettings.from_env("OCR", env=dict(self._OCR_ENV)) gw = settings.gateway assert gw.scope == "ocr" # GatewaySettings 统一小写归一(既有约定) assert gw.sources[0].name == "monkey_1" assert gw.sources[0].provider == "monkey" assert gw.sources[0].trust_env is True def test_scope_resilience_override(self): from polygateway.config import OcrSettings env = dict(self._OCR_ENV) env["OCR__RETRY__MAX_ATTEMPTS"] = "5" env["OCR__MONKEY__1__TRUST_ENV"] = "false" settings = OcrSettings.from_env("OCR", env=env) assert settings.gateway.retry.max_attempts == 5 assert settings.gateway.sources[0].trust_env is False def test_missing_base_url_fails(self): from polygateway.config import OcrSettings env = {k: v for k, v in self._OCR_ENV.items() if k != "OCR__MONKEY__1__BASE_URL"} with pytest.raises(ValueError): OcrSettings.from_env("OCR", env=env) class TestCrossFieldInvariants: """四条跨字段不变量必须在**任何**构造路径上生效(设计 2026-07-29)。 这些约束单看一个字段都合法,组合起来才非法,因此 types.py 各子配置的 __post_init__ 看不见——只能由聚合层 GatewaySettings 把关。守卫若只挂在 from_env 上,from_settings 这条同等官方的装配路(CLAUDE.md §4.5)就能 装出违反不变量的配置,类会存在于自己 docstring 声称不可能的状态。 每条不变量测两侧: 越界必拒、边界值(恰好相等)必过——收紧的是错的组合, 不是所有直接构造。 """ def _base(self, **overrides) -> GatewaySettings: return GatewaySettings.from_env("LLM", env=_env(**overrides)) def _with_watchdog(self) -> GatewaySettings: """带看门狗的基准: TTFT/inter-token 成对配置才满足 SourceConfig 不变式。""" return self._base( **{ "LLM__QWEN__1__TTFT_TIMEOUT_S": "30", "LLM__QWEN__1__INTER_TOKEN_TIMEOUT_S": "15", "LLM__BACKPRESSURE__STALL_WINDOW_S": "300", } ) # —— 源超时 ≤ permit 租约 TTL(ARCH §7.3: 防租约先于请求过期,并发悄悄超配额)—— def test_lease_rejects_timeout_above_ttl_on_direct_construction(self): base = self._base() # 源 timeout_s=120 with pytest.raises(ValueError, match="lease_ttl_s"): dataclasses.replace(base, lease_ttl_s=1.0) def test_lease_accepts_timeout_equal_to_ttl(self): base = self._base() assert dataclasses.replace(base, lease_ttl_s=120.0).lease_ttl_s == 120.0 # —— stall 窗口 ≥ 最大源 TTFT(ARCH §7.3: 防正常慢首包被误判卡死掐断)—— def test_stall_rejects_window_below_max_ttft_on_direct_construction(self): base = self._with_watchdog() # 源 ttft_timeout_s=30 narrowed = dataclasses.replace(base.backpressure, stall_window_s=20.0) with pytest.raises(ValueError, match="stall_window_s"): dataclasses.replace(base, backpressure=narrowed) def test_stall_accepts_window_equal_to_max_ttft(self): base = self._with_watchdog() exact = dataclasses.replace(base.backpressure, stall_window_s=30.0) assert dataclasses.replace(base, backpressure=exact).backpressure.stall_window_s == 30.0 # —— 探针租约 ≥ 最慢源超时 + 5(M2 设计 §3: 防半开探针在途即被接管)—— def test_probe_rejects_ttl_below_floor_on_direct_construction(self): base = self._base() # 最慢 timeout_s=120,故下限 125 shortened = dataclasses.replace(base.breaker, probe_ttl_s=100.0) with pytest.raises(ValueError, match="probe_ttl_s"): dataclasses.replace(base, breaker=shortened) def test_probe_accepts_ttl_at_floor(self): base = self._base() at_floor = dataclasses.replace(base.breaker, probe_ttl_s=125.0) assert dataclasses.replace(base, breaker=at_floor).breaker.probe_ttl_s == 125.0 # —— sources 非空 —— def test_empty_sources_rejected_with_actionable_message(self): """零源装出来的 client 选源必然失败;消息须点明原因,不能泄漏 max() 的内置异常。""" base = self._base() with pytest.raises(ValueError) as exc: dataclasses.replace(base, sources=()) assert "至少一个源" in str(exc.value) assert "empty sequence" not in str(exc.value) # —— 装配路径覆盖 —— def test_factory_cannot_receive_invalid_settings(self): """from_settings 这条路吃不到非法配置。 异常实际抛在实参求值(构造 settings)那一刻,而不是工厂内部——这正是 把守卫放构造期换来的性质: 非法实例根本不存在,无需每个工厂各自设防。 """ base = self._base() with pytest.raises(ValueError, match="lease_ttl_s"): GatewayClient.from_settings(dataclasses.replace(base, lease_ttl_s=1.0)) # —— 推理开关的装配守卫(issue #5)—— def _thinking_sources(self, provider, model, enable_thinking): base = self._base() src = dataclasses.replace( base.sources[0], provider=provider, model=model, enable_thinking=enable_thinking ) return dataclasses.replace(base, sources=(src,)) def test_model_that_cannot_disable_thinking_fails_at_assembly(self): """M2.x 关不掉推理: 配了 false 必须当场炸,而不是装出一个骗人的 client。""" settings = self._thinking_sources("minimax", "MiniMax-M2.7", False) with pytest.raises(ValueError, match="MiniMax-M2.7"): GatewayClient.from_settings(settings) def test_unknown_thinking_shape_fails_at_assembly(self): """provider=openai 是任意兼容厂商的兜底段名,形态未知即报错并指路。""" settings = self._thinking_sources("openai", "kimi-k3", False) with pytest.raises(ValueError, match="register_provider"): GatewayClient.from_settings(settings) def test_supported_combination_assembles(self): settings = self._thinking_sources("minimax", "MiniMax-M3", False) assert GatewayClient.from_settings(settings) is not None def test_not_taking_a_position_never_trips_the_guard(self): """enable_thinking=None(不干预)对任何 provider 都不该被守卫拦下。""" settings = self._thinking_sources("openai", "kimi-k3", None) assert GatewayClient.from_settings(settings) is not None def test_ocr_settings_cannot_wrap_invalid_gateway(self): """OcrSettings/EmbeddingSettings 只是包一层 GatewaySettings,自动继承同一把关。""" base = self._base() with pytest.raises(ValueError, match="lease_ttl_s"): OcrSettings(gateway=dataclasses.replace(base, lease_ttl_s=1.0)) # —— 第二轮(设计 2026-07-30): 后端枚举合法域 —— @pytest.mark.parametrize( ("field", "bad_value"), [ ("limiter_backend", "rediss"), ("breaker_backend", "sqlite"), ("cache_backend", "postgres"), ("telemetry_backend", "redis"), ("selector", "random"), ("quota_full", "block"), ("circuit_open", "block"), ], ) def test_enum_field_rejects_value_outside_domain(self, field, bad_value): """域外取值此前只有 from_env 拦得住,直接构造会落进 _build_* 的 else 分支。""" base = self._base() with pytest.raises(ValueError, match=field): dataclasses.replace(base, **{field: bad_value}) # —— 条件必填: 取 redis 的后端必须有 redis_url —— @pytest.mark.parametrize("field", ["limiter_backend", "breaker_backend"]) def test_redis_backend_requires_redis_url(self, field): """client.py 的 assert settings.redis_url is not None 依赖的正是这条。""" base = self._base() # redis_url=None with pytest.raises(ValueError, match="redis_url"): dataclasses.replace(base, **{field: "redis"}) def test_redis_cache_requires_redis_url(self): base = self._base() with pytest.raises(ValueError, match="redis_url"): dataclasses.replace(base, cache_backend="redis", cache_namespace="ns", cache_ttl_s=60) # —— 条件必填: 启用缓存必须有命名空间与正 TTL —— def test_cache_requires_namespace(self): """缺命名空间即失去租户隔离,踩"无缓存毒化"铁律。""" base = self._base() with pytest.raises(ValueError, match="cache_namespace"): dataclasses.replace(base, cache_backend="memory", cache_ttl_s=60) def test_cache_ttl_must_be_positive(self): """from_env 明令禁止的"永不过期"不能从另一条路进来。""" base = self._base() with pytest.raises(ValueError, match="cache_ttl_s"): dataclasses.replace(base, cache_backend="memory", cache_namespace="ns", cache_ttl_s=0) # —— 条件必填: 遥测后端各自的落点 —— def test_sqlite_telemetry_requires_path(self): base = self._base() with pytest.raises(ValueError, match="telemetry_sqlite_path"): dataclasses.replace(base, telemetry_backend="sqlite") def test_postgres_telemetry_requires_dsn(self): base = self._base() with pytest.raises(ValueError, match="telemetry_pg_dsn"): dataclasses.replace(base, telemetry_backend="postgres") def test_none_backend_forces_auto_migrate_off(self): """backend=none 时没有 recorder 消费该字段,True 是自相矛盾的状态(issue #13)。 env 路的派生已给出 False,但直接构造与 dataclasses.replace 这两条同等 官方的装配路仍能把 True 传进来——不变量归位到构造期,三条路才一致。 """ base = self._base() # telemetry_backend="none" replaced = dataclasses.replace(base, telemetry_auto_migrate=True) assert replaced.telemetry_auto_migrate is False # —— 标量域 —— def test_non_positive_text_cap_rejected(self): """env 路只覆盖 from_env;直接构造与 replace 同样能把 0 传进来(issue #12)。""" base = self._base() with pytest.raises(ValueError, match="telemetry_text_cap"): dataclasses.replace(base, telemetry_text_cap=0) def test_negative_structured_retries_rejected(self): base = self._base() with pytest.raises(ValueError, match="structured_max_retries"): dataclasses.replace(base, structured_max_retries=-1) def test_blank_scope_rejected(self): """空 scope 会污染遥测与缓存命名空间。""" base = self._base() with pytest.raises(ValueError, match="scope"): dataclasses.replace(base, scope=" ") # —— 合法组合仍可构造(收紧的是错的那些)—— def test_full_redis_stack_constructible(self): base = self._base() settings = dataclasses.replace( base, limiter_backend="redis", breaker_backend="redis", cache_backend="redis", cache_namespace="ns", cache_ttl_s=60, redis_url="redis://127.0.0.1:6379/3", ) assert settings.cache_ttl_s == 60 and settings.redis_url is not None # —— Postgres DSN: 剥 SQLAlchemy 驱动后缀并出声(设计 §5 方案 C)—— def test_sqlalchemy_dsn_suffix_stripped_with_warning(self): """asyncpg 不认 `+driver`;库替调用方剥掉,但不静默——日志里看得见。""" base = self._base() with _captured_warnings() as warnings: settings = dataclasses.replace( base, telemetry_backend="postgres", telemetry_pg_dsn="postgresql+asyncpg://u:s3cret@h/db", ) assert settings.telemetry_pg_dsn == "postgresql://u:s3cret@h/db" assert any("asyncpg" in m for m in warnings) def test_dsn_warning_does_not_leak_credentials(self): """DSN 带密码,日志只能出现 scheme 段(P5: 敏感信息只走 .env)。""" base = self._base() with _captured_warnings() as warnings: dataclasses.replace( base, telemetry_backend="postgres", telemetry_pg_dsn="postgresql+asyncpg://u:s3cret@h/db", ) assert warnings and not any("s3cret" in m or "@h/db" in m for m in warnings) def test_env_path_strips_dsn_without_warning(self): """env 路已在 _load_pg_dsn 剥过,不该给三项目的历史 DSN 写法刷噪音。""" with _captured_warnings() as warnings: settings = GatewaySettings.from_env( "LLM", env=_env( PGW_TELEMETRY_BACKEND="postgres", PGW_TELEMETRY_PG_DSN="postgresql+asyncpg://u@h/db", ), ) assert settings.telemetry_pg_dsn == "postgresql://u@h/db" assert not warnings # —— 构造期规范化: env 路一直在做的,构造路也要做(否则两条路产出不同的值)—— @pytest.mark.parametrize("raw", ["LLM", " llm ", " LLM "]) def test_scope_normalized_on_direct_construction(self, raw): """scope 直接进 Redis key(pgw:limit:{scope}:…)。 大小写不一致会让同一逻辑 scope 的限流/熔断状态分裂到两套命名空间—— 两边各记各的配额与熔断状态,分布式治理静默失效且不报错。 """ base = self._base() assert dataclasses.replace(base, scope=raw).scope == "llm" def test_blank_redis_url_normalized_to_none(self): """空串此前只有 env 路归 None,构造路留着它骗过 `is None` 判断。""" base = self._base() assert dataclasses.replace(base, redis_url="").redis_url is None def test_blank_redis_url_still_blocks_redis_backend(self): """归 None 后必须落进条件必填,而不是放行到 redis 库去抛连接串天书。""" base = self._base() with pytest.raises(ValueError, match="redis_url"): dataclasses.replace(base, limiter_backend="redis", redis_url="") def test_blank_pricing_path_normalized_to_none(self): base = self._base() assert dataclasses.replace(base, pricing_path="").pricing_path is None # —— EmbeddingSettings 自身的字段域(此前只有 from_env 校验)—— @pytest.mark.parametrize("bad", [0, -3]) def test_embedding_settings_rejects_non_positive_batch_size(self, bad): base = self._base() with pytest.raises(ValueError, match="batch_size"): EmbeddingSettings(gateway=base, batch_size=bad) def test_embedding_settings_rejects_non_positive_expected_dim(self): base = self._base() with pytest.raises(ValueError, match="expected_dim"): EmbeddingSettings(gateway=base, batch_size=8, expected_dim=0) def test_embedding_settings_accepts_valid_values(self): base = self._base() settings = EmbeddingSettings(gateway=base, batch_size=8, expected_dim=1024) assert settings.batch_size == 8 and settings.expected_dim == 1024 # —— 回归护栏: client.py 的 assert 前提确实被保证了 —— def test_factory_accepts_valid_redis_stack(self): """补齐校验后,client.py:262/282/302 的 assert 退回成纯内部不变量声明。""" base = self._base() settings = dataclasses.replace( base, limiter_backend="redis", breaker_backend="redis", redis_url="redis://127.0.0.1:6379/3", ) client = GatewayClient.from_settings(settings) assert client is not None