public void GenericInterfacesMustBeProxiedByNonGenericMethod()
{
var arg1 = new TestArgument2();
var arg2 = new TestArgument();
var expectedResult1 = new TestArgument4();
var expectedResult2 = new TestArgument2();
var proxyObject = LazyProxyBuilder.CreateInstance(
typeof(IGenericTestService <TestArgument2, TestArgument, TestArgument4>), () =>
{
var mock = new Mock <IGenericTestService <TestArgument2, TestArgument, TestArgument4> >(
MockBehavior.Strict);
mock.Setup(s => s.Method1(arg1, arg2)).Returns(expectedResult1);
mock.Setup(s => s.Method2(arg1, arg2)).Returns(expectedResult2);
return(mock.Object);
});
var proxy = proxyObject as IGenericTestService <TestArgument2, TestArgument, TestArgument4>;
Assert.NotNull(proxy);
var actualResult1 = proxy.Method1(arg1, arg2);
var actualResult2 = proxy.Method2(arg1, arg2);
Assert.Equal(expectedResult1, actualResult1);
Assert.Equal(expectedResult2, actualResult2);
}
public static void Main(string[] args)
{
var proxy = LazyProxyBuilder.CreateInstance <IMyService>(() =>
{
Console.WriteLine("The real instance creation...");
return(new MyService());
});
Console.WriteLine("Foo execution...");
proxy.Foo();
}
public static void Main(string[] args)
{
var lazyProxy = LazyProxyBuilder.CreateInstance <IMyService>(() =>
{
Console.WriteLine("Creating an instance of the real service...");
return(new MyService());
});
Console.WriteLine("Executing the 'Foo' method...");
lazyProxy.Foo();
}
public void BusinessDisposeMethodIsCalled()
{
var mock = new Mock <IHaveDisposeBusinessMethod>(MockBehavior.Strict);
mock.Setup(s => s.Dispose()).Verifiable();
var proxy = LazyProxyBuilder.CreateInstance(() => mock.Object);
proxy.Dispose();
mock.Verify(s => s.Dispose());
}
public void RegularDisposeMethodIsNotCalledIfNoInstanceIsCreated()
{
var mock = new Mock <IImplementIDisposable>(MockBehavior.Strict);
var callCounter = 0;
mock.Setup(s => s.Dispose()).Callback(() => callCounter++);
var proxy = LazyProxyBuilder.CreateInstance(() => mock.Object);
proxy.Dispose();
Assert.Equal(0, callCounter);
}
public void RegularDisposeMethodIsCalledIfInstanceIsCreated()
{
var mock = new Mock <IImplementIDisposable>(MockBehavior.Strict);
mock.Setup(s => s.DoSomething());
mock.Setup(s => s.Dispose()).Verifiable();
var proxy = LazyProxyBuilder.CreateInstance(() => mock.Object);
proxy.DoSomething();
proxy.Dispose();
mock.Verify(s => s.Dispose());
}
private static IServiceCollection AddLazy(
this IServiceCollection collection,
Type serviceType,
Func <IServiceProvider, object> implementationFactory,
ServiceLifetime lifetime)
{
Func <IServiceProvider, object> lazyImplementationFactory = (s) => LazyProxyBuilder.CreateInstance(
serviceType,
() => implementationFactory(s));
var descriptor = new ServiceDescriptor(serviceType, lazyImplementationFactory, lifetime);
collection.Add(descriptor);
return(collection);
}
public void ExceptionsFromServiceMustBeThrown()
{
const bool arg = true;
var proxy = LazyProxyBuilder.CreateInstance(() =>
{
var mock = new Mock <ITestService>(MockBehavior.Strict);
mock.Setup(s => s.ParentMethod(arg)).Throws <TestException>();
return(mock.Object);
});
Assert.Throws <TestException>(() => proxy.ParentMethod(arg));
}
public void IndexerGettersMustBeProxied()
{
const int arg = 3;
const string result = "result";
var proxy = LazyProxyBuilder.CreateInstance(() =>
{
var mock = new Mock <ITestService>(MockBehavior.Strict);
mock.Setup(s => s[arg]).Returns(result);
return(mock.Object);
});
Assert.Equal(result, proxy[arg]);
}
private static IServiceCollection AddLazy(
this IServiceCollection collection,
Type serviceType,
Type implementationType,
ServiceLifetime lifetime)
{
var factory = ActivatorUtilities.CreateFactory(implementationType, Array.Empty <Type>());
Func <IServiceProvider, object> lazyImplementationFactory = (s) => LazyProxyBuilder.CreateInstance(
serviceType,
() => factory(s, null));
var descriptor = new ServiceDescriptor(serviceType, lazyImplementationFactory, lifetime);
collection.Add(descriptor);
return(collection);
}
public void MethodsWithDefaultValuesMustBeProxied()
{
const string defaultArg = "arg";
const string result = "result";
var proxy = LazyProxyBuilder.CreateInstance(() =>
{
var mock = new Mock <ITestService>(MockBehavior.Strict);
mock.Setup(s => s.MethodWithDefaultValue(defaultArg)).Returns(result);
return(mock.Object);
});
var actualResult = proxy.MethodWithDefaultValue();
Assert.Equal(result, actualResult);
}
public async Task AsyncMethodsMustBeProxied()
{
const string arg = "arg";
const string result = "result";
var proxy = LazyProxyBuilder.CreateInstance(() =>
{
var mock = new Mock <ITestService>(MockBehavior.Strict);
mock.Setup(s => s.MethodAsync(arg)).ReturnsAsync(result);
return(mock.Object);
});
var actualResult = await proxy.MethodAsync(arg);
Assert.Equal(result, actualResult);
}
public void PropertyGettersMustBeProxied()
{
var result1 = new TestArgument();
const int result2 = 3;
var proxy = LazyProxyBuilder.CreateInstance(() =>
{
var mock = new Mock <ITestService>(MockBehavior.Strict);
mock.Setup(s => s.Property).Returns(result1);
mock.Setup(s => s.ParentProperty).Returns(result2);
return(mock.Object);
});
Assert.Equal(result1, proxy.Property);
Assert.Equal(result2, proxy.ParentProperty);
}
public void IndexerSettersMustBeProxied()
{
const int arg = 3;
const string result = "result";
Mock <ITestService> mock = null;
var proxy = LazyProxyBuilder.CreateInstance(() =>
{
mock = new Mock <ITestService>(MockBehavior.Strict);
mock.SetupSet(s => s[arg] = result);
return(mock.Object);
});
proxy[arg] = result;
mock.VerifySet(s => s[arg] = result);
}
public void MethodsWithRefValuesMustBeProxied()
{
var refArg = new TestArgument();
const string expectedResult = "result";
var proxy = LazyProxyBuilder.CreateInstance(() =>
{
var mock = new Mock <ITestService>(MockBehavior.Strict);
// ReSharper disable once AccessToModifiedClosure
mock.Setup(s => s.MethodWithRefValue(ref refArg)).Returns(expectedResult);
return(mock.Object);
});
var actualResult = proxy.MethodWithRefValue(ref refArg);
Assert.Equal(expectedResult, actualResult);
}
public void ServiceCtorMustBeExecutedAfterMethodIsCalledAndOnlyOnce()
{
var constructorCounter = 0;
var proxy = LazyProxyBuilder.CreateInstance(() =>
{
constructorCounter++;
return(Mock.Of <ITestService>());
});
Assert.Equal(0, constructorCounter);
proxy.VoidMethod();
Assert.Equal(1, constructorCounter);
proxy.VoidMethod();
Assert.Equal(1, constructorCounter);
}
public void GenericMethodsMustBeProxied()
{
const string arg = "arg";
const string expectedResult = "result";
var proxy = LazyProxyBuilder.CreateInstance(() =>
{
var mock = new Mock <ITestService>(MockBehavior.Strict);
mock
.Setup(s => s.GenericMethod <TestArgument2, TestArgument, TestArgument4>(arg))
.Returns(expectedResult);
return(mock.Object);
});
var actualResult = proxy.GenericMethod <TestArgument2, TestArgument, TestArgument4>(arg);
Assert.Equal(expectedResult, actualResult);
}
/// <inheritdoc />
protected override void Initialize()
{
var registrationName = Guid.NewGuid().ToString();
Context.Container.RegisterType(_typeFrom, _typeTo, _name, _getLifetimeManager());
Context.Container.RegisterType(_typeFrom, _typeTo, registrationName, _getLifetimeManager(), _injectionMembers);
Context.Policies.Set(_typeFrom, _name, typeof(ResolveDelegateFactory),
(ResolveDelegateFactory)((ref BuilderContext _) =>
(ref BuilderContext c) =>
{
var container = c.Container;
var type = c.RegistrationType;
var overrides = c.Overrides;
return(LazyProxyBuilder.CreateInstance(type,
() => container.Resolve(type, registrationName, overrides)
));
})
);
}
public void MethodsMustBeProxied()
{
const string arg1 = "test";
const int arg2 = 7;
var arg3 = new TestArgument();
const bool arg4 = true;
const string result1 = "result1";
const string result2 = "result2";
var proxy = LazyProxyBuilder.CreateInstance(() =>
{
var mock = new Mock <ITestService>(MockBehavior.Strict);
mock.Setup(s => s.Method(arg1, arg2, arg3)).Returns(result1);
mock.Setup(s => s.ParentMethod(arg4)).Returns(result2);
return(mock.Object);
});
Assert.Equal(result1, proxy.Method(arg1, arg2, arg3));
Assert.Equal(result2, proxy.ParentMethod(arg4));
}
public void PropertySettersMustBeProxied()
{
var value1 = new TestArgument();
const int value2 = 3;
Mock <ITestService> mock = null;
var proxy = LazyProxyBuilder.CreateInstance(() =>
{
mock = new Mock <ITestService>(MockBehavior.Strict);
mock.SetupSet(s => s.Property = value1);
mock.SetupSet(s => s.ParentProperty = value2);
return(mock.Object);
});
proxy.Property = value1;
proxy.ParentProperty = value2;
mock.VerifySet(s => s.Property = value1);
mock.VerifySet(s => s.ParentProperty = value2);
}
private static object CreateLazyProxy(
IComponentContext context, Type type, string name, IEnumerable <Parameter> parameters) =>
LazyProxyBuilder.CreateInstance(type,
() => context.ResolveNamed(name, type, parameters)
);