58 lines
2.4 KiB
C#
58 lines
2.4 KiB
C#
using System.Reflection;
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using Microsoft.Extensions.DependencyInjection;
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using ScadaLink.Commons.Interfaces.Repositories;
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using ScadaLink.Commons.Interfaces.Services;
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using ScadaLink.ConfigurationDatabase;
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namespace ScadaLink.ConfigurationDatabase.Tests;
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public class ServiceCollectionExtensionsTests
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{
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[Fact]
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public void AddConfigurationDatabase_WithConnectionString_RegistersRepositoriesAndServices()
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{
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var services = new ServiceCollection();
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services.AddConfigurationDatabase("DataSource=:memory:");
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Assert.Contains(services, d => d.ServiceType == typeof(ITemplateEngineRepository));
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Assert.Contains(services, d => d.ServiceType == typeof(IAuditService));
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Assert.Contains(services, d => d.ServiceType == typeof(IInstanceLocator));
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}
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// The no-arg overload is [Obsolete(error: true)], so it cannot be referenced directly
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// from source — that is the compile-time guard. Invoke it via reflection to verify the
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// runtime defence-in-depth behaviour.
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private static MethodInfo NoArgOverload =>
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typeof(ServiceCollectionExtensions).GetMethod(
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nameof(ServiceCollectionExtensions.AddConfigurationDatabase),
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BindingFlags.Public | BindingFlags.Static,
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binder: null,
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types: new[] { typeof(IServiceCollection) },
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modifiers: null)!;
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[Fact]
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public void AddConfigurationDatabase_NoArgOverload_FailsFastWithClearMessage()
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{
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// Regression guard for ConfigurationDatabase-003: the parameterless overload must not
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// silently register nothing. Misuse must surface immediately at wire-up time with an
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// actionable message — not later as an opaque DI resolution failure.
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var services = new ServiceCollection();
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var invocation = Assert.Throws<TargetInvocationException>(
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() => NoArgOverload.Invoke(null, new object[] { services }));
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var ex = Assert.IsType<InvalidOperationException>(invocation.InnerException);
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Assert.Contains("connection string", ex.Message, StringComparison.OrdinalIgnoreCase);
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}
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[Fact]
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public void AddConfigurationDatabase_NoArgOverload_IsMarkedObsoleteAsError()
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{
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// The no-op overload must be flagged so misuse is caught at compile time.
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var obsolete = NoArgOverload.GetCustomAttribute<ObsoleteAttribute>();
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Assert.NotNull(obsolete);
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Assert.True(obsolete!.IsError);
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}
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}
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