Sonarr/NzbDrone.Test.Common/AutoMoq/AutoMoqer.cs

169 lines
4.9 KiB
C#

// ReSharper disable RedundantUsingDirective
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Linq.Expressions;
using System.Runtime.CompilerServices;
using Microsoft.Practices.Unity;
using Moq;
using Moq.Language.Flow;
using NzbDrone.Test.Common.AutoMoq.Unity;
[assembly: InternalsVisibleTo("AutoMoq.Tests")]
namespace NzbDrone.Test.Common.AutoMoq
{
[DebuggerStepThrough]
public class AutoMoqer
{
internal readonly MockBehavior DefaultBehavior = MockBehavior.Default;
internal Type ResolveType;
private IUnityContainer container;
private IDictionary<Type, object> registeredMocks;
public AutoMoqer()
{
SetupAutoMoqer(new UnityContainer());
}
public AutoMoqer(MockBehavior defaultBehavior)
{
DefaultBehavior = defaultBehavior;
SetupAutoMoqer(new UnityContainer());
}
internal AutoMoqer(IUnityContainer container)
{
SetupAutoMoqer(container);
}
public virtual T Resolve<T>()
{
ResolveType = typeof(T);
var result = container.Resolve<T>();
SetConstant(result);
ResolveType = null;
return result;
}
public virtual Mock<T> GetMock<T>() where T : class
{
return GetMock<T>(DefaultBehavior);
}
public virtual Mock<T> GetMock<T>(MockBehavior behavior) where T : class
{
ResolveType = null;
var type = GetTheMockType<T>();
if (GetMockHasNotBeenCalledForThisType(type))
{
CreateANewMockAndRegisterIt<T>(type, behavior);
}
var mock = TheRegisteredMockForThisType<T>(type);
if (behavior != MockBehavior.Default && mock.Behavior == MockBehavior.Default)
{
throw new InvalidOperationException("Unable to change be behaviour of a an existing mock.");
}
return mock;
}
internal virtual void SetMock(Type type, Mock mock)
{
if (registeredMocks.ContainsKey(type) == false)
registeredMocks.Add(type, mock);
}
public virtual void SetConstant<T>(T instance)
{
container.RegisterInstance(instance);
SetMock(instance.GetType(), null);
}
public ISetup<T> Setup<T>(Expression<Action<T>> expression) where T : class
{
return GetMock<T>().Setup(expression);
}
public ISetup<T, TResult> Setup<T, TResult>(Expression<Func<T, TResult>> expression) where T : class
{
return GetMock<T>().Setup(expression);
}
public void Verify<T>(Expression<Action<T>> expression) where T : class
{
GetMock<T>().Verify(expression);
}
public void Verify<T>(Expression<Action<T>> expression, string failMessage) where T : class
{
GetMock<T>().Verify(expression, failMessage);
}
public void Verify<T>(Expression<Action<T>> expression, Times times) where T : class
{
GetMock<T>().Verify(expression, times);
}
public void Verify<T>(Expression<Action<T>> expression, Times times, string failMessage) where T : class
{
GetMock<T>().Verify(expression, times, failMessage);
}
public void VerifyAllMocks()
{
foreach (var registeredMock in registeredMocks)
{
var mock = registeredMock.Value as Mock;
if (mock != null)
mock.VerifyAll();
}
}
#region private methods
private void SetupAutoMoqer(IUnityContainer container)
{
this.container = container;
container.RegisterInstance(this);
registeredMocks = new Dictionary<Type, object>();
AddTheAutoMockingContainerExtensionToTheContainer(container);
}
private static void AddTheAutoMockingContainerExtensionToTheContainer(IUnityContainer container)
{
container.AddNewExtension<AutoMockingContainerExtension>();
return;
}
private Mock<T> TheRegisteredMockForThisType<T>(Type type) where T : class
{
return (Mock<T>)registeredMocks.Where(x => x.Key == type).First().Value;
}
private void CreateANewMockAndRegisterIt<T>(Type type, MockBehavior behavior) where T : class
{
var mock = new Mock<T>(behavior);
container.RegisterInstance(mock.Object);
SetMock(type, mock);
}
private bool GetMockHasNotBeenCalledForThisType(Type type)
{
return registeredMocks.ContainsKey(type) == false;
}
private static Type GetTheMockType<T>() where T : class
{
return typeof(T);
}
#endregion
}
}