public void Can_Utilize_Custom_Interceptors_Example_Of_How_To_Extend_MethodWrapper()
{
var wrapper = new CustomWrapper();
var proxy = new Proxy<IFoo>()
.InterceptMethod(f => f.Return())
.With(wrapper)
.Save();
Assert.Equal(-1, proxy.Return());
}
public void Can_Utilize_Inline_Interceptors_Example_Of_How_To_Use_Nested_Closure()
{
var ack = 0;
var target = new Foo();
var proxy = new Proxy<IFoo>()
.Target(target)
.InterceptMethod(f => f.Return())
.With(m =>
{
m.OnBefore(() => ack++);
m.OnReturn(() => -1);
})
.Save();
Assert.Equal(-1, proxy.Return());
Assert.Equal(1, ack);
}
public void Can_Skip_Target()
{
var foo = new Foo();
var proxy = new Proxy<IFoo>()
.Target(foo)
.Intercept(f => f.Return())
.OnInvoke(mi => -2) // returns back, target won't be called
.Save();
Assert.Equal(-2, proxy.Return());
Assert.False(foo.WasExecuted);
}
public void Can_Intercept_Multiple_Methods_Using_A_Filter()
{
var ack = 0;
var foo = new Foo();
var proxy = new Proxy<IFoo>()
.Target(foo)
.InterceptWhere(mi => mi.Name.EndsWith("Go"))
//.InterceptWhere(mi => mi.IsGenericMethod )
.OnBefore(mi => ack++)
.Save();
// intercepted
proxy.Go();
proxy.GenericGo<int>(-1);
proxy.OverloadedGo(-1);
proxy.OverloadedGo(string.Empty);
// not intercepted
proxy.Name = string.Empty;
proxy.Return();
Assert.Equal(4, ack);
}
public void Can_Intercept_Multiple_Members_Using_A_Single_Fluent_Instruction()
{
var ack = 0;
var foo = new Foo();
var proxy = new Proxy<IFoo>()
.Target(foo)
.InterceptMethod(f => f.Go())
.OnBefore(() => Assert.Equal(0, ack))
.OnAfter(() => ack++)
.InterceptGetter(f => f.Name)
.OnBefore(() => Assert.Equal(1, ack))
.OnAfter(() => ack++)
.InterceptSetter(f => f.Description)
.OnBefore(() => Assert.Equal(2, ack))
.OnAfter(() => ack++)
.Save();
// intercepted
proxy.Go();
var name = proxy.Name;
proxy.Description = string.Empty;
// not intercpted
proxy.Return();
proxy.Name = string.Empty;
var desc = proxy.Description;
Assert.Equal(3, ack);
}
public void Can_Intercept_Many_Methods_With_One_Advice()
{
var ack = 0;
var foo = new Foo();
var proxy = new Proxy<IFoo>()
.Target(foo)
.InterceptMethods(
f => f.Return(),
f => f.GenericGo<int>(It.Any<int>()),
f => f.Go())
.OnBefore(mi => ack++)
.Save();
// intercepted
proxy.Go();
proxy.Return();
proxy.GenericGo<int>(-1);
// not intercepted
proxy.Name = string.Empty;
proxy.OverloadedGo(-1);
proxy.OverloadedGo(string.Empty);
Assert.Equal(3, ack);
}
public void Can_Callback_OnReturn_And_Replace_Return_Value()
{
var foo = new Foo();
var proxy = new Proxy<IFoo>()
.Intercept(f => f.Return())
.OnInvoke(mi => foo.Return())
.OnReturn((mi, r) => r.Equals(1) ? -1 : -2)
.Save();
Assert.Equal(-1, proxy.Return());
Assert.True(foo.WasExecuted);
}