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76 lines
2.0 KiB
C#
76 lines
2.0 KiB
C#
using System;
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using System.Collections.Generic;
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using Moq;
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using Ninject.Activation;
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using Ninject.Injection;
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namespace Ninject.Moq
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{
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/// <summary>
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/// Creates mocked instances via Moq.
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/// </summary>
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public class MockProvider : IProvider
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{
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private static readonly Dictionary<Type, ConstructorInjector> _injectors = new Dictionary<Type, ConstructorInjector>();
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/// <summary>
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/// Gets the type (or prototype) of instances the provider creates.
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/// </summary>
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public Type Type
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{
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get { return typeof(Mock<>); }
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}
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/// <summary>
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/// Gets the injector factory component.
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/// </summary>
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public IInjectorFactory InjectorFactory { get; private set; }
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/// <summary>
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/// Initializes a new instance of the <see cref="MockProvider"/> class.
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/// </summary>
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/// <param name="injectorFactory">The injector factory component.</param>
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public MockProvider(IInjectorFactory injectorFactory)
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{
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InjectorFactory = injectorFactory;
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}
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/// <summary>
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/// Creates an instance within the specified context.
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/// </summary>
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/// <param name="context">The context.</param>
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/// <returns>The created instance.</returns>
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public object Create(IContext context)
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{
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ConstructorInjector injector = GetInjector(context.Request.Service);
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var mock = injector.Invoke() as Mock;
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return mock.Object;
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}
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private ConstructorInjector GetInjector(Type service)
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{
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lock (_injectors)
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{
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Type mockType = typeof(Mock<>).MakeGenericType(service);
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if (_injectors.ContainsKey(mockType))
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return _injectors[mockType];
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ConstructorInjector injector = InjectorFactory.Create(mockType.GetConstructor(Type.EmptyTypes));
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_injectors[mockType] = injector;
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return injector;
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}
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}
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/// <summary>
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/// Gets a callback that creates an instance of the <see cref="MockProvider"/>.
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/// </summary>
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/// <returns>The created callback.</returns>
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public static Func<IContext, IProvider> GetCreationCallback()
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{
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return ctx => new MockProvider(ctx.Kernel.Components.Get<IInjectorFactory>());
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}
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}
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}
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