62 lines
2.3 KiB
C#
62 lines
2.3 KiB
C#
using Domain;
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using System.Reflection;
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using static TestData.ClientBuilder;
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using static TestData.OrderBuilder;
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namespace Web.Tests;
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/// <summary>The WebApp consumes only DTOs; persistence types are excluded at compile time (no Web → Db project reference).</summary>
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public class WebAppTests
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{
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// The WebApp's public API references no domain type (reflection).
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private static readonly Type[] BannedTypes = [typeof(Client), typeof(Order)];
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private static IEnumerable<Type> TypeAndArguments(Type t)
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{
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yield return t;
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if (t.IsGenericType)
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foreach (var arg in t.GetGenericArguments())
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foreach (var nested in TypeAndArguments(arg))
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yield return nested;
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if (t.IsArray && t.GetElementType() is { } elem)
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foreach (var nested in TypeAndArguments(elem))
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yield return nested;
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}
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[Fact]
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public void WebApp_public_api_references_no_domain_types()
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{
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var app = typeof(WebApp);
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var banned = BannedTypes.ToList();
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foreach (var m in app.GetMethods(BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static))
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{
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var signature = m.GetParameters()
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.Select(p => p.ParameterType)
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.Append(m.ReturnType)
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.ToList();
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foreach (var t in signature.SelectMany(TypeAndArguments))
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Assert.False(banned.Contains(t),
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$"WebApp.{m.Name}({string.Join(", ", signature)}) references banned type {t}");
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}
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foreach (var p in app.GetProperties(BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static))
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foreach (var t in TypeAndArguments(p.PropertyType))
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Assert.False(banned.Contains(t),
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$"WebApp.{p.Name} references banned type {t}");
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}
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[Fact]
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public void WebApp_consumes_dtos()
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{
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var app = new WebApp();
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var order = ValidOrder().WithId(Guid.NewGuid()).WithDescription("order one").WithTotal(150_00).Build();
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var client = ValidClient().WithId(Guid.NewGuid()).WithName("Acme").WithOrder(order).Build();
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var view = app.ShowClient(DtoMappers.ToClientDto(client));
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Assert.Contains("Acme", view);
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Assert.Contains("order one", view);
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}
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}
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