public void CanRunCodeBeforeMethodExecution()
{
var options = new TypeToTypeWrapperOptions()
{
OnBeforeMethod = (wrapperOptions, type, inst, mi) =>
{
if (mi.Name == "Run")
{
((TestClass)inst).AddCount(6);
}
}
};
var wrapper = new TypeToTypeWrapper();
var result = wrapper.CreateType(typeof(TestClass), options);
dynamic instance = Activator.CreateInstance(result);
instance.Run();
instance.Run();
var instanceCount = instance.GetCount();
Assert.Equal(12, instanceCount);
}
public void CanCreateSingleton()
{
var inst = new TestClass();
var options = new TypeToTypeWrapperOptions()
{
Factory = (wrapperOptions, type) => inst
};
var wrapper = new TypeToTypeWrapper();
var result = wrapper.CreateType(typeof(TestClass), options);
dynamic instance = Activator.CreateInstance(result);
dynamic instance2 = Activator.CreateInstance(result);
instance.AddCount();
instance.AddCount();
instance2.AddCount();
instance2.AddCount();
instance2.AddCount();
var instanceCount = instance.GetCount();
Assert.Equal(5, instanceCount);
var instance2Count = instance2.GetCount();
Assert.Equal(5, instance2Count);
}
public void CanRunCodeOnConstructorUsingString()
{
var options = new TypeToTypeWrapperOptions()
{
OnConstructorCustomCodeGenerator = (wrapperOptions, type) => "_instance.AddCount(21);"
};
var wrapper = new TypeToTypeWrapper();
var result = wrapper.CreateType(typeof(TestClass), options);
dynamic instance = Activator.CreateInstance(result);
var instanceCount = instance.GetCount();
Assert.Equal(21, instanceCount);
}
public void CanIncludeSpecificMethodsWithMultipleWildCards()
{
var wrapper = new TypeToTypeWrapper();
var options = new TypeToTypeWrapperOptions()
{
IncludedMethods = new List <string>()
{
"*llo*", "Ru*"
}
};
var result = wrapper.CreateType(typeof(TestClass), options);
var allMethods = result.GetMethods(BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly);
Assert.Equal(2, allMethods.Length);
}
public void CanRunCodeOnConstructor()
{
var options = new TypeToTypeWrapperOptions()
{
OnConstructor = (wrapperOptions, type, inst) =>
{
((TestClass)inst).AddCount(15);
}
};
var wrapper = new TypeToTypeWrapper();
var result = wrapper.CreateType(typeof(TestClass), options);
dynamic instance = Activator.CreateInstance(result);
var instanceCount = instance.GetCount();
Assert.Equal(15, instanceCount);
}
public void CanRenameMethod()
{
var wrapper = new TypeToTypeWrapper();
var options = new TypeToTypeWrapperOptions()
{
IncludedMethods = new List <string>()
{
"Run"
}, MethodNameGenerator = (wrapperOptions, type, mInfo) => "CustomMethodName"
};
var result = wrapper.CreateType(typeof(TestClass), options);
dynamic instance = Activator.CreateInstance(result);
instance.CustomMethodName();
}
public void CanIncludeSpecificMethodsWithWildCard()
{
var wrapper = new TypeToTypeWrapper();
var options = new TypeToTypeWrapperOptions()
{
IncludedMethods = new List <string>()
{
"Hello*"
}
};
var originalType = typeof(TestClass);
var result = wrapper.CreateType(originalType, options);
var allMethods = result.GetMethods(BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly);
Assert.Single(allMethods);
}
public void CanRunCodeAfterMethodExecutionUsingString()
{
var options = new TypeToTypeWrapperOptions()
{
OnAfterMethodCustomCodeGenerator = (wrapperOptions, type, mi) => "_instance.AddCount(18);"
};
var wrapper = new TypeToTypeWrapper();
var result = wrapper.CreateType(typeof(TestClass), options);
dynamic instance = Activator.CreateInstance(result);
instance.Run();
instance.Run();
var instanceCount = instance.GetCount();
Assert.Equal(36, instanceCount);
}
public void CanAddCustomCode()
{
var customCode = @"public void RunThings()
{
var y = 0;
var a = 1;
a = y + 10;
}";
var options = new TypeToTypeWrapperOptions()
{
CustomCodeGenerator = (wrapperOptions, type) => customCode
};
var wrapper = new TypeToTypeWrapper();
var result = wrapper.CreateType(typeof(TestClass), options);
dynamic instance = Activator.CreateInstance(result);
instance.RunThings();
}
