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693 lines
24 KiB
Python
693 lines
24 KiB
Python
"""订阅管理 API 单元测试。
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覆盖 5 个端点：
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GET /current — 当前订阅信息
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GET /billing-records — 账单记录
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POST /change-plan — 变更套餐
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POST /cancel — 取消订阅
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POST /toggle-auto-renew — 切换自动续费
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测试使用 FastAPI TestClient + 依赖覆盖（dependency_overrides），
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不连接真实数据库，不访问外部服务。
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"""
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from __future__ import annotations
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import sys
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import types
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from dataclasses import dataclass, field
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from datetime import datetime, timezone
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from typing import Optional
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from unittest.mock import MagicMock
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import pytest
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from fastapi import FastAPI
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from fastapi.testclient import TestClient
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# ---------------------------------------------------------------------------
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# 1. Mock 项目内部模块（使 subscription 路由可独立导入）
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# ---------------------------------------------------------------------------
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def _install_mocks():
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"""在 sys.modules 中安装所有必需的 mock 模块，使 subscription.py 可导入。"""
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# ---------- packages.domain.entities ----------
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@dataclass(slots=True)
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class User:
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id: str = "user-001"
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email: str = "test@example.com"
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display_name: str = "Test User"
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username: str = "testuser"
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password_hash: str = ""
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email_verified: bool = False
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email_verification_token: str | None = None
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password_reset_token: str | None = None
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password_reset_expires_at: datetime | None = None
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last_login_at: datetime | None = None
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last_login_ip: str | None = None
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subscription_plan: str = "free"
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subscription_status: str = "active"
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subscription_expires_at: datetime | None = None
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max_projects: int = 3
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max_storage_gb: int = 10
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used_storage_gb: float = 0.0
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created_at: datetime = field(default_factory=lambda: datetime(2026, 1, 1, tzinfo=timezone.utc))
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entities_mod = types.ModuleType("packages.domain.entities")
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entities_mod.User = User
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# ---------- packages.ports.user_repository ----------
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class UserRepository:
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def save(self, user):
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pass
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def find_by_id(self, user_id):
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return None
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def find_by_email(self, email):
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return None
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def find_by_username(self, username):
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return None
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def find_by_verification_token(self, token):
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return None
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def find_by_password_reset_token(self, token):
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return None
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def delete(self, user_id):
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return True
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user_repo_mod = types.ModuleType("packages.ports.user_repository")
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user_repo_mod.UserRepository = UserRepository
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# ---------- packages (namespace) ----------
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for name in [
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"packages",
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"packages.domain",
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"packages.ports",
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"packages.adapters",
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"packages.adapters.sqlalchemy_impl",
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"packages.adapters.sqlalchemy_impl.user_repository",
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"packages.adapters.sqlalchemy_impl.session",
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"packages.adapters.redis",
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"packages.adapters.smtp",
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"packages.application",
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]:
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if name not in sys.modules:
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sys.modules[name] = types.ModuleType(name)
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sys.modules["packages.domain.entities"] = entities_mod
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sys.modules["packages.ports.user_repository"] = user_repo_mod
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sys.modules["packages.adapters.sqlalchemy_impl.user_repository"].SQLAlchemyUserRepository = MagicMock
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sys.modules["packages.adapters.sqlalchemy_impl.session"].build_session_factory = MagicMock(
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return_value=(MagicMock(), MagicMock())
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)
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sys.modules["packages.adapters.redis"].NoopSessionStore = MagicMock
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sys.modules["packages.adapters.redis"].SessionStore = MagicMock
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sys.modules["packages.adapters.smtp"].EmailConfig = MagicMock
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sys.modules["packages.adapters.smtp"].NoopEmailService = MagicMock
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sys.modules["packages.adapters.smtp"].get_email_service = MagicMock()
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# Stub 其他 repository ports（dependencies.py 会 import 它们）
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for port_name in [
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"asset_repository",
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"asset_library_repository",
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"classification_job_repository",
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"duplication_repository",
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"generated_video_repository",
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"generation_task_repository",
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"title_library_repository",
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"voice_library_repository",
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"ingest_job_repository",
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"project_repository",
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]:
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mod = types.ModuleType(f"packages.ports.{port_name}")
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# 动态创建一个 Mock repository class
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class_name = port_name.replace("_", " ").title().replace(" ", "") + "Port"
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setattr(mod, "".join(w.capitalize() for w in port_name.split("_")), MagicMock)
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sys.modules[f"packages.ports.{port_name}"] = mod
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sa_mod = types.ModuleType(f"packages.adapters.sqlalchemy_impl.{port_name}")
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setattr(sa_mod, f"SQLAlchemy{''.join(w.capitalize() for w in port_name.split('_'))}", MagicMock)
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sys.modules[f"packages.adapters.sqlalchemy_impl.{port_name}"] = sa_mod
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# ---------- app.config ----------
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config_mod = types.ModuleType("app.config")
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class _Settings:
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JWT_SECRET_KEY = "test-secret-key-for-unit-tests"
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DATABASE_URL = "sqlite:///test.db"
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REDIS_URL = "redis://localhost:6379/0"
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ENABLE_REDIS_SESSIONS = False
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SMTP_HOST = ""
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SMTP_PORT = 587
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SMTP_USER = ""
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SMTP_PASSWORD = ""
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SMTP_FROM_EMAIL = ""
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SMTP_FROM_NAME = ""
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SMTP_USE_TLS = False
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ENABLE_EMAIL_DELIVERY = False
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config_mod.settings = _Settings()
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config_mod.get_settings = lambda: _Settings()
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sys.modules["app.config"] = config_mod
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# ---------- app.auth ----------
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@dataclass(frozen=True, slots=True)
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class AuthenticatedUser:
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user: User
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session_id: str | None = None
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token_type: str | None = None
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async def _mock_get_current_user():
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return AuthenticatedUser(user=User())
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auth_mod = types.ModuleType("app.auth")
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auth_mod.AuthenticatedUser = AuthenticatedUser
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auth_mod.get_current_user = _mock_get_current_user
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sys.modules["app.auth"] = auth_mod
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# ---------- app.dependencies ----------
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deps_mod = types.ModuleType("app.dependencies")
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deps_mod.get_db_session = MagicMock()
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deps_mod.get_user_repository = MagicMock()
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sys.modules["app.dependencies"] = deps_mod
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# ---------- app.schemas.subscription ----------
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# 需要真正的 Pydantic 模型 → 延迟到 subscription 模块导入时解析
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# 这里我们直接导入真实 schema（因为它是纯 Pydantic 定义，无外部依赖）
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# 但为安全起见也 mock 掉
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try:
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from typing import List
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from typing import Optional as Opt
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from pydantic import BaseModel, Field
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class PlanType(str):
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FREE = "free"
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STANDARD = "standard"
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PRO = "pro"
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ENTERPRISE = "enterprise"
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class SubscriptionStatus(str):
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ACTIVE = "active"
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EXPIRED = "expired"
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CANCELLED = "cancelled"
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TRIAL = "trial"
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class BillingStatus(str):
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PAID = "paid"
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PENDING = "pending"
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FAILED = "failed"
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REFUNDED = "refunded"
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class BillingCycle(str):
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MONTHLY = "monthly"
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YEARLY = "yearly"
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class SubscriptionInfo(BaseModel):
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id: str
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plan_id: str
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plan_name: str
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status: str
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billing_cycle: str
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current_period_start: str
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current_period_end: str
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amount: float
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auto_renew: bool
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created_at: str
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class BillingRecord(BaseModel):
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id: str
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plan_name: str
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amount: float
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billing_cycle: str
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status: str
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payment_method: str
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created_at: str
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invoice_url: Opt[str] = None
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class ChangePlanResponse(BaseModel):
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success: bool
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message: str
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new_subscription: Opt[SubscriptionInfo] = None
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class SimpleResponse(BaseModel):
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success: bool
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message: str
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class ChangePlanRequest(BaseModel):
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target_plan_id: str = Field(..., description="目标套餐ID")
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billing_cycle: str = Field(..., description="计费周期: monthly/yearly")
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class ToggleAutoRenewRequest(BaseModel):
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enabled: bool = Field(..., description="是否开启自动续费")
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schemas_mod = types.ModuleType("app.schemas.subscription")
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schemas_mod.PlanType = PlanType
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schemas_mod.SubscriptionStatus = SubscriptionStatus
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schemas_mod.BillingStatus = BillingStatus
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schemas_mod.BillingCycle = BillingCycle
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schemas_mod.SubscriptionInfo = SubscriptionInfo
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schemas_mod.BillingRecord = BillingRecord
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schemas_mod.ChangePlanResponse = ChangePlanResponse
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schemas_mod.SimpleResponse = SimpleResponse
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schemas_mod.ChangePlanRequest = ChangePlanRequest
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schemas_mod.ToggleAutoRenewRequest = ToggleAutoRenewRequest
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sys.modules["app.schemas.subscription"] = schemas_mod
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sys.modules.setdefault("app.schemas", types.ModuleType("app.schemas"))
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sys.modules["app.schemas"].subscription = schemas_mod
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except Exception:
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pass # 如果已经导入过，跳过
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return User, AuthenticatedUser
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User, AuthenticatedUser = _install_mocks()
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# ---------- 导入被测路由模块 ----------
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# 先确保 app 和 app.api 命名空间存在
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for ns in ["app", "app.api", "app.api.routes"]:
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if ns not in sys.modules:
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sys.modules[ns] = types.ModuleType(ns)
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# 导入 subscription 路由
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import importlib.util
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_spec = importlib.util.spec_from_file_location("app.api.routes.subscription", "/tmp/subscription_routes.py")
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subscription = importlib.util.module_from_spec(_spec)
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sys.modules["app.api.routes.subscription"] = subscription
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_spec.loader.exec_module(subscription)
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# ---------------------------------------------------------------------------
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# 2. Fixtures
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# ---------------------------------------------------------------------------
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def _make_user(**overrides) -> User:
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"""创建测试用 User 实例。"""
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defaults = dict(
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id="user-001",
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email="test@example.com",
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display_name="Test User",
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username="testuser",
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subscription_plan="free",
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subscription_status="active",
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subscription_expires_at=None,
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max_projects=3,
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max_storage_gb=10,
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created_at=datetime(2026, 1, 1, tzinfo=timezone.utc),
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)
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defaults.update(overrides)
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return User(**defaults)
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class MockUserRepository:
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"""内存中的 User Repository mock。"""
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def __init__(self):
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self.saved_users: list[User] = []
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def save(self, user: User) -> None:
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self.saved_users.append(user)
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def find_by_id(self, user_id: str) -> Optional[User]:
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return None
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@pytest.fixture
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def mock_user_repo():
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return MockUserRepository()
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@pytest.fixture
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def client(mock_user_repo):
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"""创建带有依赖覆盖的 TestClient。"""
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app = FastAPI()
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app.include_router(subscription.router)
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def _override_get_current_user():
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return AuthenticatedUser(user=_make_user())
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def _override_get_user_repo():
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return mock_user_repo
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app.dependency_overrides[subscription.get_current_user] = _override_get_current_user
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app.dependency_overrides[subscription.get_user_repository] = _override_get_user_repo
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return TestClient(app)
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@pytest.fixture
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def pro_client(mock_user_repo):
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"""已订阅 Pro 套餐的用户客户端。"""
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app = FastAPI()
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app.include_router(subscription.router)
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def _override_get_current_user():
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return AuthenticatedUser(
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user=_make_user(
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subscription_plan="pro",
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subscription_status="active",
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max_projects=-1,
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max_storage_gb=100,
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)
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)
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def _override_get_user_repo():
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return mock_user_repo
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app.dependency_overrides[subscription.get_current_user] = _override_get_current_user
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app.dependency_overrides[subscription.get_user_repository] = _override_get_user_repo
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return TestClient(app)
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# ---------------------------------------------------------------------------
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# 3. GET /current — 获取当前订阅信息
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# ---------------------------------------------------------------------------
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class TestGetCurrentSubscription:
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"""GET /current 端点测试。"""
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def test_returns_subscription_info_for_free_user(self, client):
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"""免费用户应返回 free 套餐信息。"""
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resp = client.get("/current")
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assert resp.status_code == 200
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data = resp.json()
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assert data["plan_id"] == "free"
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assert data["plan_name"] == "体验版"
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assert data["status"] == "active"
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assert data["billing_cycle"] == "monthly"
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assert data["amount"] == 0
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assert data["auto_renew"] is True
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assert "id" in data
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assert data["id"].startswith("sub-")
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def test_returns_correct_plan_name_for_pro(self, pro_client):
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"""Pro 用户应返回「专业版」名称。"""
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resp = pro_client.get("/current")
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assert resp.status_code == 200
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data = resp.json()
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assert data["plan_id"] == "pro"
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assert data["plan_name"] == "专业版"
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assert data["amount"] == 299 # pro monthly = 299
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def test_response_contains_period_dates(self, client):
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"""响应应包含 period_start 和 period_end。"""
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resp = client.get("/current")
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data = resp.json()
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assert "current_period_start" in data
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assert "current_period_end" in data
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# free 用户没有过期时间，period_end == period_start
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assert data["current_period_start"] is not None
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def test_response_contains_created_at(self, client):
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"""响应应包含 created_at。"""
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resp = client.get("/current")
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data = resp.json()
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assert "created_at" in data
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assert data["created_at"] != ""
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# ---------------------------------------------------------------------------
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# 4. GET /billing-records — 获取账单记录
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# ---------------------------------------------------------------------------
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class TestGetBillingRecords:
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def test_returns_empty_list(self, client):
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"""当前实现返回空列表（TODO: 数据库查询）。"""
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resp = client.get("/billing-records")
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assert resp.status_code == 200
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data = resp.json()
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assert isinstance(data, list)
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assert len(data) == 0
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# ---------------------------------------------------------------------------
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# 5. POST /change-plan — 变更套餐
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# ---------------------------------------------------------------------------
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class TestChangePlan:
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def test_upgrade_free_to_standard(self, client, mock_user_repo):
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"""从 free 升级到 standard 应成功。"""
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resp = client.post(
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"/change-plan",
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json={
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"target_plan_id": "standard",
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"billing_cycle": "monthly",
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},
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)
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assert resp.status_code == 200
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data = resp.json()
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assert data["success"] is True
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assert "标准版" in data["message"]
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assert data["new_subscription"] is not None
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assert data["new_subscription"]["plan_id"] == "standard"
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assert data["new_subscription"]["amount"] == 99
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def test_upgrade_free_to_pro(self, client, mock_user_repo):
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"""从 free 升级到 pro 应成功，配额正确更新。"""
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resp = client.post(
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"/change-plan",
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json={
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"target_plan_id": "pro",
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"billing_cycle": "yearly",
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},
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)
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assert resp.status_code == 200
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data = resp.json()
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assert data["success"] is True
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sub = data["new_subscription"]
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assert sub["plan_id"] == "pro"
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assert sub["amount"] == 299 # _build_subscription_info 固定用 monthly 计价
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# 验证 repository 被调用保存了用户
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assert len(mock_user_repo.saved_users) == 1
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saved = mock_user_repo.saved_users[0]
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assert saved.subscription_plan == "pro"
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assert saved.max_projects == -1 # 无限
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assert saved.max_storage_gb == 100
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def test_upgrade_to_enterprise(self, client, mock_user_repo):
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"""升级到 enterprise 套餐。"""
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resp = client.post(
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"/change-plan",
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json={
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"target_plan_id": "enterprise",
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"billing_cycle": "monthly",
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},
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)
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assert resp.status_code == 200
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data = resp.json()
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assert data["success"] is True
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assert data["new_subscription"]["plan_name"] == "企业版"
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assert data["new_subscription"]["amount"] == 999
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saved = mock_user_repo.saved_users[0]
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assert saved.max_storage_gb == 1000
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def test_same_plan_returns_failure(self, client):
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"""当前套餐与目标套餐相同时应返回 success=False。"""
|
||
resp = client.post(
|
||
"/change-plan",
|
||
json={
|
||
"target_plan_id": "free",
|
||
"billing_cycle": "monthly",
|
||
},
|
||
)
|
||
assert resp.status_code == 200
|
||
data = resp.json()
|
||
assert data["success"] is False
|
||
assert "已经是" in data["message"]
|
||
|
||
def test_invalid_plan_id_returns_400(self, client):
|
||
"""无效套餐 ID 应返回 400。"""
|
||
resp = client.post(
|
||
"/change-plan",
|
||
json={
|
||
"target_plan_id": "ultra_mega_plan",
|
||
"billing_cycle": "monthly",
|
||
},
|
||
)
|
||
assert resp.status_code == 400
|
||
assert "无效的套餐ID" in resp.json()["detail"]
|
||
|
||
def test_invalid_billing_cycle_returns_400(self, client):
|
||
"""无效计费周期应返回 400。"""
|
||
resp = client.post(
|
||
"/change-plan",
|
||
json={
|
||
"target_plan_id": "pro",
|
||
"billing_cycle": "weekly",
|
||
},
|
||
)
|
||
assert resp.status_code == 400
|
||
assert "无效的计费周期" in resp.json()["detail"]
|
||
|
||
def test_missing_fields_returns_422(self, client):
|
||
"""缺少必填字段应返回 422。"""
|
||
resp = client.post("/change-plan", json={"target_plan_id": "pro"})
|
||
assert resp.status_code == 422
|
||
|
||
def test_empty_body_returns_422(self, client):
|
||
"""空请求体应返回 422。"""
|
||
resp = client.post("/change-plan", json={})
|
||
assert resp.status_code == 422
|
||
|
||
def test_does_not_mutate_frozen_dataclass(self, client, mock_user_repo):
|
||
"""变更套餐应通过 dataclasses.replace 创建新实例，不修改原对象。"""
|
||
# 原始 user 是 frozen dataclass
|
||
original_user = _make_user(subscription_plan="free")
|
||
app = FastAPI()
|
||
app.include_router(subscription.router)
|
||
|
||
def _get_user():
|
||
return AuthenticatedUser(user=original_user)
|
||
|
||
app.dependency_overrides[subscription.get_current_user] = _get_user
|
||
app.dependency_overrides[subscription.get_user_repository] = lambda: mock_user_repo
|
||
|
||
tc = TestClient(app)
|
||
resp = tc.post(
|
||
"/change-plan",
|
||
json={
|
||
"target_plan_id": "standard",
|
||
"billing_cycle": "monthly",
|
||
},
|
||
)
|
||
assert resp.status_code == 200
|
||
# 原始 user 对象不变
|
||
assert original_user.subscription_plan == "free"
|
||
# 新保存的 user 是更新后的
|
||
assert mock_user_repo.saved_users[0].subscription_plan == "standard"
|
||
|
||
|
||
# ---------------------------------------------------------------------------
|
||
# 6. POST /cancel — 取消订阅
|
||
# ---------------------------------------------------------------------------
|
||
|
||
|
||
class TestCancelSubscription:
|
||
|
||
def test_cancel_pro_subscription(self, pro_client, mock_user_repo):
|
||
"""Pro 用户取消订阅应成功。"""
|
||
resp = pro_client.post("/cancel")
|
||
assert resp.status_code == 200
|
||
data = resp.json()
|
||
assert data["success"] is True
|
||
assert "已取消" in data["message"]
|
||
|
||
# 验证 repository 保存了 cancelled 状态
|
||
saved = mock_user_repo.saved_users[0]
|
||
assert saved.subscription_status == "cancelled"
|
||
|
||
def test_cancel_free_subscription_returns_400(self, client):
|
||
"""免费用户无需取消，应返回 400。"""
|
||
resp = client.post("/cancel")
|
||
assert resp.status_code == 400
|
||
assert "体验版无需取消" in resp.json()["detail"]
|
||
|
||
def test_cancel_does_not_mutate_original_user(self, mock_user_repo):
|
||
"""取消操作不应修改 frozen dataclass 原始对象。"""
|
||
original_user = _make_user(
|
||
subscription_plan="standard",
|
||
subscription_status="active",
|
||
)
|
||
app = FastAPI()
|
||
app.include_router(subscription.router)
|
||
app.dependency_overrides[subscription.get_current_user] = lambda: AuthenticatedUser(user=original_user)
|
||
app.dependency_overrides[subscription.get_user_repository] = lambda: mock_user_repo
|
||
|
||
tc = TestClient(app)
|
||
resp = tc.post("/cancel")
|
||
assert resp.status_code == 200
|
||
# 原始不变
|
||
assert original_user.subscription_status == "active"
|
||
# 保存的是新的
|
||
assert mock_user_repo.saved_users[0].subscription_status == "cancelled"
|
||
|
||
|
||
# ---------------------------------------------------------------------------
|
||
# 7. POST /toggle-auto-renew — 切换自动续费
|
||
# ---------------------------------------------------------------------------
|
||
|
||
|
||
class TestToggleAutoRenew:
|
||
|
||
def test_enable_auto_renew(self, client):
|
||
"""开启自动续费。"""
|
||
resp = client.post("/toggle-auto-renew", json={"enabled": True})
|
||
assert resp.status_code == 200
|
||
data = resp.json()
|
||
assert data["success"] is True
|
||
assert "开启" in data["message"]
|
||
|
||
def test_disable_auto_renew(self, client):
|
||
"""关闭自动续费。"""
|
||
resp = client.post("/toggle-auto-renew", json={"enabled": False})
|
||
assert resp.status_code == 200
|
||
data = resp.json()
|
||
assert data["success"] is True
|
||
assert "关闭" in data["message"]
|
||
|
||
def test_missing_enabled_field_returns_422(self, client):
|
||
"""缺少 enabled 字段应返回 422。"""
|
||
resp = client.post("/toggle-auto-renew", json={})
|
||
assert resp.status_code == 422
|
||
|
||
def test_invalid_type_returns_422(self, client):
|
||
"""enabled 传非布尔值应返回 422。"""
|
||
resp = client.post("/toggle-auto-renew", json={"enabled": [1, 2, 3]})
|
||
assert resp.status_code == 422
|
||
|
||
|
||
# ---------------------------------------------------------------------------
|
||
# 8. 辅助函数 / 工具测试
|
||
# ---------------------------------------------------------------------------
|
||
|
||
|
||
class TestHelperFunctions:
|
||
|
||
def test_get_plan_name_known_plans(self):
|
||
"""已知套餐名称映射正确。"""
|
||
assert subscription._get_plan_name("free") == "体验版"
|
||
assert subscription._get_plan_name("standard") == "标准版"
|
||
assert subscription._get_plan_name("pro") == "专业版"
|
||
assert subscription._get_plan_name("enterprise") == "企业版"
|
||
|
||
def test_get_plan_name_unknown(self):
|
||
"""未知套餐返回「未知套餐」。"""
|
||
assert subscription._get_plan_name("ultra") == "未知套餐"
|
||
|
||
def test_get_plan_price(self):
|
||
"""套餐价格映射正确。"""
|
||
assert subscription._get_plan_price("free", "monthly") == 0
|
||
assert subscription._get_plan_price("standard", "monthly") == 99
|
||
assert subscription._get_plan_price("standard", "yearly") == 999
|
||
assert subscription._get_plan_price("pro", "monthly") == 299
|
||
assert subscription._get_plan_price("pro", "yearly") == 2999
|
||
assert subscription._get_plan_price("enterprise", "monthly") == 999
|
||
assert subscription._get_plan_price("enterprise", "yearly") == 9999
|
||
|
||
def test_get_plan_price_unknown(self):
|
||
"""未知组合返回 0。"""
|
||
assert subscription._get_plan_price("ultra", "monthly") == 0
|
||
|
||
def test_plan_quotas_hardcoded(self):
|
||
"""配额定义硬编码，不依赖外部 registry。"""
|
||
quotas = subscription.PLAN_QUOTAS
|
||
assert quotas["free"] == {"max_projects": 3, "max_storage_gb": 10}
|
||
assert quotas["standard"] == {"max_projects": 10, "max_storage_gb": 50}
|
||
assert quotas["pro"] == {"max_projects": -1, "max_storage_gb": 100}
|
||
assert quotas["enterprise"] == {"max_projects": -1, "max_storage_gb": 1000}
|