public void SetupEntityClasses(EntityModel model)
{
var ns = model.App.GetType().Namespace + ".Proxies";
_assemblyInfo = _assemblyInfo ?? DynamicAssemblyInfo.Create(ns);
var attrHandler = new AttributeHandler(addStandardAttributes: true);
foreach (var ent in model.Entities)
{
var className = ns + "." + ent.EntityType.Name.Substring(1); //Cut-off I
var controller = new EntityEmitController(ent, _assemblyInfo, className, attrHandler);
var emitter = new ProxyEmitter(controller);
emitter.ImplementInterface(ent.EntityType);
var classType = emitter.CreateClass();
var factory = emitter.GetProxyFactory <Func <EntityRecord, EntityBase> >();
ent.ClassInfo = new EntityClassInfo()
{
Type = classType, CreateInstance = factory
};
//assign member Clr info
var flags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance;
foreach (var member in ent.Members)
{
member.ClrClassMemberInfo = classType.GetProperty(member.MemberName, flags);
}
}
}
public EntityEmitController(EntityInfo entityInfo, DynamicAssemblyInfo asm, string className, AttributeHandler attrHandler) : base(asm, className, typeof(EntityBase), attrHandler)
{
_entityInfo = entityInfo;
if (_targetRef == null)
{
InitMethodRefs();
}
}
public void TestFuncProxy()
{
// create ProxyInfo
var asm = DynamicAssemblyInfo.Create("Proxemity.UnitTests.FuncProxies");
var controller = new FuncProxyEmitController(asm);
// Create emitter
var emitter = new ProxyEmitter(controller);
emitter.ImplementInterface(typeof(ISampleFuncInterface));
// create type
var proxyType = emitter.CreateClass();
// create and setup target object; FuncProxyBase has a single constructor which accepts single parameter (Target)
// emitter will build similar constructor and static factory method on the generated proxy.
var target = new FuncProxyTarget();
var factory = emitter.GetProxyFactory <Func <FuncProxyTarget, FuncProxyBase> >();
var proxy = factory(target);
// cast the entity instance to entity interface and test it
var iFunc = proxy as ISampleFuncInterface;
Assert.IsNotNull(iFunc, "Failed to retrieve IFunc interface.");
var d = DateTime.Now;
var obj = new object();
var iRes = iFunc.IntMethod(d, obj);
Assert.AreEqual("IntMethod", target.LastMethod, "Method name mismatch");
Assert.AreEqual(d, target.LastArgs[0]);
Assert.AreEqual(obj, target.LastArgs[1]);
Assert.AreEqual(proxy, target.ExtraValues[0]); //should be reference to proxy instance itself - see FuncProxyEmitController
Assert.AreEqual(Singleton.InstanceField, target.ExtraValues[1]);
Assert.AreEqual(Singleton.InstanceProp, target.ExtraValues[2]);
iFunc.VoidMethod("a", 123);
Assert.AreEqual("VoidMethod", target.LastMethod);
Assert.AreEqual("a", (string)target.LastArgs[0]);
Assert.AreEqual(123, (int)target.LastArgs[1]);
iFunc.BaseMethod("x");
Assert.AreEqual("BaseMethod", target.LastMethod);
Assert.AreEqual("x", (string)target.LastArgs[0]);
// We specified a custom attribute on class in ProxyInfo (see above) when we initialized emitter
var classAttr = proxyType.GetCustomAttributes(false).OfType <SampleCustomAttribute>().FirstOrDefault();
Assert.IsNotNull(classAttr, "Custom attr not found on proxy class.");
Assert.AreEqual("v1", classAttr.Value1, "Value1 on attr does not match.");
Assert.AreEqual("v2", classAttr.Value2, "Value2 on attr does not match.");
//Emit controller creates custom attributes on methods; verify these
var intMethod = proxyType.GetMember("IntMethod")[0];
var scAttr = intMethod.GetCustomAttributes(false).OfType <SampleCustomAttribute>().FirstOrDefault();
Assert.IsNotNull(scAttr, "Custom attr not found on method.");
Assert.AreEqual("v3", scAttr.Value1, "Value1 on attr does not match.");
Assert.AreEqual("v4", scAttr.Value2, "Value2 on attr does not match.");
var catAttr = intMethod.GetCustomAttributes(false).OfType <CategoryAttribute>().FirstOrDefault();
Assert.IsNotNull(catAttr, "Category attr not found on method.");
Assert.AreEqual("IntMethods", catAttr.Category, "Value1 on attr does not match.");
}
public EntityEmitController(DynamicAssemblyInfo assemblyInfo)
: base(assemblyInfo, "Proxemity.UnitTests.EmittedClasses.EntityProxy", typeof(EntityBase),
new SampleAttributeHandler())
{
}
public void TestEntityProxy()
{
var asm = DynamicAssemblyInfo.Create("Proxemity.UnitTests.EntityProxies");
var controller = new EntityEmitController(asm);
var emitter = new ProxyEmitter(controller);
emitter.ImplementInterface(typeof(IMyEntity));
var proxyType = emitter.CreateClass();
// create and setup target object
var factory = emitter.GetProxyFactory <Func <EntityBase> >();
var myEntity = factory(); //that's the way to create instance
myEntity.Record = new EntityRecord();
// cast the entity instance to entity interface and test it
var iMyEntity = myEntity as IMyEntity;
Assert.IsNotNull(iMyEntity, "Failed to retrieve IMyEntity interface.");
try {
//var x = iMyEntity.IntNProp;
// write/read properties
iMyEntity.IntProp = 123;
var intPropBack = iMyEntity.IntProp;
Assert.AreEqual(123, intPropBack, "Returned int prop value does not match.");
} catch (Exception ex) {
var str = ex.ToString();
throw;
}
iMyEntity.StringProp = "blah";
var propBack = iMyEntity.StringProp;
Assert.AreEqual("blah", propBack, "Returned string prop value does not match.");
//check attributes
//attribute on member
var stringProp = proxyType.GetProperty("StringProp");
var mca = stringProp.GetCustomAttribute <CategoryAttribute>();
Assert.IsNotNull(mca, "Category attr not found on property.");
Assert.AreEqual("Strings", mca.Category, "Category value on property does not match.");
var ca = proxyType.GetCustomAttribute <CategoryAttribute>(inherit: true);
Assert.AreEqual("Cat1", ca.Category, "Category value on type does not match.");
var da = proxyType.GetCustomAttribute <DescrAttr>(inherit: true);
Assert.IsNotNull(da, "Expected Description attr on class.");
Assert.AreEqual("Entity description.", da.Description, "Descr on type does not match.");
//attribute on member
//var stringProp = proxyType.GetProperty("StringProp");
ca = stringProp.GetCustomAttribute <CategoryAttribute>();
Assert.IsNotNull(ca, "Category attr not found on property.");
Assert.AreEqual("Strings", ca.Category, "Category value on property does not match.");
var sc = stringProp.GetCustomAttribute <SampleCustomAttribute>();
Assert.IsNotNull(sc, "SampleCustom attr not found on property.");
Assert.AreEqual("v1", sc.Value1, "Value1 prop value on property does not match.");
Assert.AreEqual("v2", sc.Value2, "Value1 prop value on property does not match.");
}
