Provider 路由测试

public class ProviderRoutingAllRegistrationTests
{
    private static IServiceCollection BuildServices(
        Action<IConfigurationBuilder>? config = null)
    {
        var builder = new ConfigurationBuilder();
        config?.Invoke(builder);
        var configuration = builder.Build();

        var services = new ServiceCollection();
        services.AddSingleton<IConfiguration>(configuration);
        return services;
    }

    private static IServiceProvider BuildProvider(IServiceCollection services)
    {
        // ① 验证作用域和构建——暴露 Captive Dependency 问题
        return services.BuildServiceProvider(
            new ServiceProviderOptions
            {
                ValidateScopes = true,
                ValidateOnBuild = true,
            });
    }

    [Fact]
    public void Payment_All_Registers_All_Configured_Providers()
    {
        var services = BuildServices(builder =>
        {
            builder.AddInMemoryCollection(new Dictionary<string, string?>
            {
                ["Payment:Alipay:AppId"] = "test-app",
                ["Payment:Alipay:AppPrivateKey"] = "test-key",
                ["Payment:WeChatPay:AppId"] = "test-wx",
                ["Payment:WeChatPay:MchId"] = "test-mch",
            });
        });

        services.AddBitzsoftPaymentAll(services.BuildServiceProvider()
            .GetRequiredService<IConfiguration>());

        var sp = BuildProvider(services);

        // ② 验证 Resolver 能枚举和按 ID 解析
        var resolver = sp.GetRequiredService<IIntegrationProviderResolver<IPaymentProvider>>();

        Assert.True(resolver.TryResolve("Alipay", out var alipay));
        Assert.Equal("Alipay", alipay!.Code);

        Assert.True(resolver.TryResolve("WeChatPay", out var wechat));
        Assert.Equal("WeChatPay", wechat!.Code);

        // ③ 未配置的厂商不应出现
        Assert.False(resolver.TryResolve("Stripe", out _));
    }

    [Fact]
    public void Payment_All_Registers_In_Catalog()
    {
        // ... 注册 ...

        var catalog = sp.GetRequiredService<IIntegrationProviderCatalog>();

        // ① Catalog 应包含已配置 Provider 的 Descriptor
        Assert.True(catalog.TryGet("Payment:Alipay", out var alipayDesc));
        Assert.Equal("Payment", alipayDesc!.Domain);
        Assert.True(alipayDesc.Supports<IPaymentProvider>());

        Assert.True(catalog.TryGet("Payment:WeChatPay", out _));
    }

    [Fact]
    public void Payment_All_Provider_Ids_Are_Case_Insensitive()
    {
        // ... 注册 ...

        var resolver = sp.GetRequiredService<IIntegrationProviderResolver<IPaymentProvider>>();

        // ① Provider ID 大小写不敏感
        Assert.True(resolver.TryResolve("alipay", out _));
        Assert.True(resolver.TryResolve("ALIPAY", out _));
    }
}