65 lines
2.2 KiB
C#
65 lines
2.2 KiB
C#
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using Microsoft.EntityFrameworkCore;
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using TeamUp.Bootstrap;
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using TeamUp.Infrastructure.Persistence;
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using TeamUp.SharedKernel.Modularity;
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using Xunit;
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namespace TeamUp.ArchitectureTests;
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/// <summary>
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/// Guards persistence encapsulation and module shape. A module's DbContext/entities are its
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/// private business — never public — and each module exposes exactly one registration seam.
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/// </summary>
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public sealed class PersistenceEncapsulationTests
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{
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private static readonly System.Reflection.Assembly[] AllProductionAssemblies =
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[
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typeof(IModule).Assembly,
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typeof(MigrationRunner).Assembly,
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typeof(ModuleCatalog).Assembly,
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.. ArchitectureFixture.ModuleAssemblies,
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];
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[Fact]
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public void No_DbContext_is_publicly_visible()
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{
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var publicContexts = AllProductionAssemblies
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.SelectMany(assembly => assembly.GetTypes())
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.Where(type => typeof(DbContext).IsAssignableFrom(type) && type.IsPublic)
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.Select(type => type.FullName)
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.ToList();
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Assert.True(
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publicContexts.Count == 0,
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$"A DbContext must be internal to its module. Public contexts found: {string.Join(", ", publicContexts)}");
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}
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[Fact]
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public void Each_module_assembly_exposes_exactly_one_IModule()
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{
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foreach (var assembly in ArchitectureFixture.ModuleAssemblies)
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{
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var implementations = assembly.GetTypes()
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.Where(type => typeof(IModule).IsAssignableFrom(type)
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&& type is { IsInterface: false, IsAbstract: false })
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.ToList();
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Assert.True(
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implementations.Count == 1,
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$"{assembly.GetName().Name} must expose exactly one IModule; found {implementations.Count}.");
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}
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}
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[Fact]
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public void ModuleCatalog_lists_every_module_with_a_unique_name()
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{
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var modules = ModuleCatalog.All;
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Assert.Equal(ArchitectureFixture.ModuleAssemblies.Length, modules.Count);
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var names = modules.Select(module => module.Name).ToList();
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Assert.All(names, name => Assert.False(string.IsNullOrWhiteSpace(name)));
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Assert.Equal(names.Count, names.Distinct(StringComparer.Ordinal).Count());
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}
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}
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