public static void Invoke_Receives_Correct_Arguments()
{
object[] actualArgs = null;
TestType_IHelloService proxy = DispatchProxyAsync.Create <TestType_IHelloService, TestDispatchProxyAsync>();
((TestDispatchProxyAsync)proxy).CallOnInvoke = (method, args) =>
{
actualArgs = args;
return(String.Empty);
};
proxy.Hello("testInput");
object[] expectedArgs = new object[] { "testInput" };
Assert.True(actualArgs != null && actualArgs.Length == expectedArgs.Length,
String.Format("Invoked expected object[] of length {0} but actual was {1}",
expectedArgs.Length, (actualArgs == null ? "null" : actualArgs.Length.ToString())));
for (int i = 0; i < expectedArgs.Length; ++i)
{
Assert.True(expectedArgs[i].Equals(actualArgs[i]),
String.Format("Expected arg[{0}] = '{1}' but actual was '{2}'",
i, expectedArgs[i], actualArgs[i]));
}
}
public static void Proxy_Declares_Interface_Properties()
{
TestType_IPropertyService proxy = DispatchProxyAsync.Create <TestType_IPropertyService, TestDispatchProxyAsync>();
PropertyInfo propertyInfo = proxy.GetType().GetTypeInfo().GetDeclaredProperty("ReadWrite");
Assert.NotNull(propertyInfo);
}
public static void Create_Proxy_Derives_From_DispatchProxyAsync_BaseType()
{
TestType_IHelloService proxy = DispatchProxyAsync.Create <TestType_IHelloService, TestDispatchProxyAsync>();
Assert.NotNull(proxy);
Assert.IsAssignableFrom <TestDispatchProxyAsync>(proxy);
}
public static void Proxy_Declares_Interface_Events()
{
TestType_IEventService proxy = DispatchProxyAsync.Create <TestType_IEventService, TestDispatchProxyAsync>();
EventInfo eventInfo = proxy.GetType().GetTypeInfo().GetDeclaredEvent("AddRemove");
Assert.NotNull(eventInfo);
}
public static void Proxy_Declares_Interface_Indexers()
{
TestType_IIndexerService proxy = DispatchProxyAsync.Create <TestType_IIndexerService, TestDispatchProxyAsync>();
PropertyInfo propertyInfo = proxy.GetType().GetTypeInfo().GetDeclaredProperty("Item");
Assert.NotNull(propertyInfo);
}
public static void Invoke_Indexer_Setter_And_Getter_Invokes_Correct_Methods()
{
List <MethodInfo> invokedMethods = new List <MethodInfo>();
TestType_IIndexerService proxy = DispatchProxyAsync.Create <TestType_IIndexerService, TestDispatchProxyAsync>();
((TestDispatchProxyAsync)proxy).CallOnInvoke = (method, args) =>
{
invokedMethods.Add(method);
return(null);
};
proxy["key"] = "testValue";
string actualValue = proxy["key"];
Assert.True(invokedMethods.Count == 2, String.Format("Expected 2 method invocations but received {0}", invokedMethods.Count));
PropertyInfo propertyInfo = typeof(TestType_IIndexerService).GetTypeInfo().GetDeclaredProperty("Item");
Assert.NotNull(propertyInfo);
MethodInfo expectedMethod = propertyInfo.SetMethod;
Assert.True(invokedMethods[0] != null && expectedMethod == invokedMethods[0], String.Format("First invoke should have been {0} but actual was {1}",
expectedMethod.Name, invokedMethods[0]));
expectedMethod = propertyInfo.GetMethod;
Assert.True(invokedMethods[1] != null && expectedMethod == invokedMethods[1], String.Format("Second invoke should have been {0} but actual was {1}",
expectedMethod.Name, invokedMethods[1]));
Assert.Null(actualValue);
}
internal static TProxy CreateProxy <TProxy>(IServiceProvider container) where TProxy : IApiContract
{
object proxy = DispatchProxyAsync.Create <TProxy, HttpDispatchProxy>();
var proxyContextFilter = container.GetRequiredService <IProxyContextFilter>();
var proxyContext = new ProxyContext(typeof(TProxy));
var cultureFactory = container.GetService <ICultureFactory>();
if (cultureFactory != null)
{
proxyContext.CultureFactory = cultureFactory.Invoke;
}
proxyContextFilter.Invoke(proxyContext);
var initializer = proxy.GetType().GetMethod(nameof(HttpDispatchProxy.Initialize));
if (initializer == null)
{
throw new ArgumentNullException(nameof(initializer));
}
initializer.Invoke(proxy, new[] { proxyContext, (object)container.GetService <IProxyManager>() });
return((TProxy)proxy);
}
public static TProxy CreateProxy <TProxy>(IServiceProvider container) where TProxy : IApiContract
{
dynamic proxy = DispatchProxyAsync.Create <TProxy, HttpDispatchProxy>();
var contextAcessor = container.GetService <IHttpContextAccessor>();
if (contextAcessor?.HttpContext == null)
{
return(default(TProxy));
}
var context = new ProxyContext(typeof(TProxy));
if (contextAcessor?.HttpContext.Request != null)
{
context.ClientIp = contextAcessor.HttpContext.GetIp();
context.UserAgent = contextAcessor.HttpContext.Request.GetUserAgent();
if (contextAcessor.HttpContext.Request.QueryString.HasValue)
{
context.QueryString = contextAcessor.HttpContext.Request.QueryString.Value;
}
}
proxy.Initialize(context, container.GetService <IProxyManager>());
return(proxy);
}
public static void Invoke_Multiple_Parameters_Receives_Correct_Arguments()
{
object[] invokedArgs = null;
object[] expectedArgs = new object[] { (int)42, "testString", (double)5.0 };
TestType_IMultipleParameterService proxy = DispatchProxyAsync.Create <TestType_IMultipleParameterService, TestDispatchProxyAsync>();
((TestDispatchProxyAsync)proxy).CallOnInvoke = (method, args) =>
{
invokedArgs = args;
return(0.0);
};
proxy.TestMethod((int)expectedArgs[0], (string)expectedArgs[1], (double)expectedArgs[2]);
Assert.True(invokedArgs != null && invokedArgs.Length == expectedArgs.Length,
String.Format("Expected {0} arguments but actual was {1}",
expectedArgs.Length, invokedArgs == null ? "null" : invokedArgs.Length.ToString()));
for (int i = 0; i < expectedArgs.Length; ++i)
{
Assert.True(expectedArgs[i].Equals(invokedArgs[i]),
String.Format("Expected arg[{0}] = '{1}' but actual was '{2}'",
i, expectedArgs[i], invokedArgs[i]));
}
}
public static void Invoke_Multiple_Parameters_Via_Params_Receives_Correct_Arguments()
{
object[] actualArgs = null;
object[] invokedArgs = null;
object[] expectedArgs = new object[] { 42, "testString", 5.0 };
TestType_IMultipleParameterService proxy = DispatchProxyAsync.Create <TestType_IMultipleParameterService, TestDispatchProxyAsync>();
((TestDispatchProxyAsync)proxy).CallOnInvoke = (method, args) =>
{
invokedArgs = args;
return(String.Empty);
};
proxy.ParamsMethod((int)expectedArgs[0], (string)expectedArgs[1], (double)expectedArgs[2]);
// All separate params should have become a single object[1] array
Assert.True(invokedArgs != null && invokedArgs.Length == 1,
String.Format("Expected single element object[] but actual was {0}",
invokedArgs == null ? "null" : invokedArgs.Length.ToString()));
// That object[1] should contain an object[3] containing the args
actualArgs = invokedArgs[0] as object[];
Assert.True(actualArgs != null && actualArgs.Length == expectedArgs.Length,
String.Format("Invoked expected object[] of length {0} but actual was {1}",
expectedArgs.Length, (actualArgs == null ? "null" : actualArgs.Length.ToString())));
for (int i = 0; i < expectedArgs.Length; ++i)
{
Assert.True(expectedArgs[i].Equals(actualArgs[i]),
String.Format("Expected arg[{0}] = '{1}' but actual was '{2}'",
i, expectedArgs[i], actualArgs[i]));
}
}
public static void Create_Same_Proxy_Type_And_Base_Type_Reuses_Same_Generated_Type()
{
TestType_IHelloService proxy1 = DispatchProxyAsync.Create <TestType_IHelloService, TestDispatchProxyAsync>();
TestType_IHelloService proxy2 = DispatchProxyAsync.Create <TestType_IHelloService, TestDispatchProxyAsync>();
Assert.NotNull(proxy1);
Assert.NotNull(proxy2);
Assert.IsType(proxy1.GetType(), proxy2);
}
public static void Created_Proxy_With_Different_Proxy_Type_Use_Different_Generated_Type()
{
TestType_IHelloService proxy1 = DispatchProxyAsync.Create <TestType_IHelloService, TestDispatchProxyAsync>();
TestType_IGoodbyeService proxy2 = DispatchProxyAsync.Create <TestType_IGoodbyeService, TestDispatchProxyAsync>();
Assert.NotNull(proxy1);
Assert.NotNull(proxy2);
Assert.False(proxy1.GetType() == proxy2.GetType(),
String.Format("Proxy generated for type {0} used same for type {1}", typeof(TestType_IHelloService).Name, typeof(TestType_IGoodbyeService).Name));
}
public static void Create_Proxy_Instances_Of_Same_Proxy_And_Base_Type_Are_Unique()
{
TestType_IHelloService proxy1 = DispatchProxyAsync.Create <TestType_IHelloService, TestDispatchProxyAsync>();
TestType_IHelloService proxy2 = DispatchProxyAsync.Create <TestType_IHelloService, TestDispatchProxyAsync>();
Assert.NotNull(proxy1);
Assert.NotNull(proxy2);
Assert.False(object.ReferenceEquals(proxy1, proxy2),
String.Format("First and second instance of proxy type {0} were the same instance", proxy1.GetType().Name));
}
public static void Create_Proxy_Implements_All_Interfaces()
{
TestType_IHelloAndGoodbyeService proxy = DispatchProxyAsync.Create <TestType_IHelloAndGoodbyeService, TestDispatchProxyAsync>();
Assert.NotNull(proxy);
Type[] implementedInterfaces = typeof(TestType_IHelloAndGoodbyeService).GetTypeInfo().ImplementedInterfaces.ToArray();
foreach (Type t in implementedInterfaces)
{
Assert.IsAssignableFrom(t, proxy);
}
}
public static void Invoke_Returns_Correct_Value()
{
TestType_IHelloService proxy = DispatchProxyAsync.Create <TestType_IHelloService, TestDispatchProxyAsync>();
((TestDispatchProxyAsync)proxy).CallOnInvoke = (method, args) =>
{
return("testReturn");
};
string expectedResult = "testReturn";
string actualResult = proxy.Hello(expectedResult);
Assert.Equal(expectedResult, actualResult);
}
static void testGenericMethodRoundTrip <T>(T testValue)
{
var proxy = DispatchProxyAsync.Create <TypeType_GenericMethod, TestDispatchProxyAsync>();
((TestDispatchProxyAsync)proxy).CallOnInvoke = (mi, a) =>
{
Assert.True(mi.IsGenericMethod);
Assert.False(mi.IsGenericMethodDefinition);
Assert.Equal(1, mi.GetParameters().Length);
Assert.Equal(typeof(T), mi.GetParameters()[0].ParameterType);
Assert.Equal(typeof(T), mi.ReturnType);
return(a[0]);
};
Assert.Equal(proxy.Echo(testValue), testValue);
}
public static void Invoke_Receives_Correct_MethodInfo()
{
MethodInfo invokedMethod = null;
TestType_IHelloService proxy = DispatchProxyAsync.Create <TestType_IHelloService, TestDispatchProxyAsync>();
((TestDispatchProxyAsync)proxy).CallOnInvoke = (method, args) =>
{
invokedMethod = method;
return(String.Empty);
};
proxy.Hello("testInput");
MethodInfo expectedMethod = typeof(TestType_IHelloService).GetTypeInfo().GetDeclaredMethod("Hello");
Assert.True(invokedMethod != null && expectedMethod == invokedMethod, String.Format("Invoke expected method {0} but actual was {1}", expectedMethod, invokedMethod));
}
public static void Invoke_Void_Returning_Method_Accepts_Null_Return()
{
MethodInfo invokedMethod = null;
TestType_IOneWay proxy = DispatchProxyAsync.Create <TestType_IOneWay, TestDispatchProxyAsync>();
((TestDispatchProxyAsync)proxy).CallOnInvoke = (method, args) =>
{
invokedMethod = method;
return(null);
};
proxy.OneWay();
MethodInfo expectedMethod = typeof(TestType_IOneWay).GetTypeInfo().GetDeclaredMethod("OneWay");
Assert.True(invokedMethod != null && expectedMethod == invokedMethod, String.Format("Invoke expected method {0} but actual was {1}", expectedMethod, invokedMethod));
}
public static void Invoke_Thrown_Exception_Rethrown_To_Caller()
{
Exception actualException = null;
InvalidOperationException expectedException = new InvalidOperationException("testException");
TestType_IHelloService proxy = DispatchProxyAsync.Create <TestType_IHelloService, TestDispatchProxyAsync>();
((TestDispatchProxyAsync)proxy).CallOnInvoke = (method, args) =>
{
throw expectedException;
};
try
{
proxy.Hello("testCall");
}
catch (Exception e)
{
actualException = e;
}
Assert.Equal(expectedException, actualException);
}
public static void Invoke_Same_Method_Multiple_Interfaces_Calls_Correct_Method()
{
List <MethodInfo> invokedMethods = new List <MethodInfo>();
TestType_IHelloService1And2 proxy = DispatchProxyAsync.Create <TestType_IHelloService1And2, TestDispatchProxyAsync>();
((TestDispatchProxyAsync)proxy).CallOnInvoke = (method, args) =>
{
invokedMethods.Add(method);
return(null);
};
((TestType_IHelloService)proxy).Hello("calling 1");
((TestType_IHelloService2)proxy).Hello("calling 2");
Assert.True(invokedMethods.Count == 2, String.Format("Expected 2 method invocations but received {0}", invokedMethods.Count));
MethodInfo expectedMethod = typeof(TestType_IHelloService).GetTypeInfo().GetDeclaredMethod("Hello");
Assert.True(invokedMethods[0] != null && expectedMethod == invokedMethods[0], String.Format("First invoke should have been TestType_IHelloService.Hello but actual was {0}", invokedMethods[0]));
expectedMethod = typeof(TestType_IHelloService2).GetTypeInfo().GetDeclaredMethod("Hello");
Assert.True(invokedMethods[1] != null && expectedMethod == invokedMethods[1], String.Format("Second invoke should have been TestType_IHelloService2.Hello but actual was {0}", invokedMethods[1]));
}
public static TProxy CreateProxy <TProxy>(IServiceProvider container) where TProxy : IApiContract
{
dynamic proxy = DispatchProxyAsync.Create <TProxy, HttpDispatchProxyAsync>();
return(proxy);
}
public static void Create_Using_Concrete_Proxy_Type_Throws_ArgumentException()
{
Assert.Throws <ArgumentException>("T", () => DispatchProxyAsync.Create <TestType_ConcreteClass, TestDispatchProxyAsync>());
}
public static void Create_Proxy_Implements_Internal_Interfaces()
{
TestType_InternalInterfaceService proxy = DispatchProxyAsync.Create <TestType_PublicInterfaceService_Implements_Internal, TestDispatchProxyAsync>();
Assert.NotNull(proxy);
}
public static void Create_Using_Abstract_BaseType_Throws_ArgumentException()
{
Assert.Throws <ArgumentException>("TProxy", () => DispatchProxyAsync.Create <TestType_IHelloService, Abstract_TestDispatchProxyAsync>());
}
public static void Create_Using_BaseType_Without_Default_Ctor_Throws_ArgumentException()
{
Assert.Throws <ArgumentException>("TProxy", () => DispatchProxyAsync.Create <TestType_IHelloService, NoDefaultCtor_TestDispatchProxyAsync>());
}
public T CreateClient <T>()
{
var type = typeof(T);
if (_singleObjects.TryGetValue(type, out var instance))
{
return((T)instance);
}
lock (_singleObjects)
{
if (_singleObjects.TryGetValue(type, out instance))
{
return((T)instance);
}
var service = type.GetCustomAttribute <DubboServiceAttribute>();
if (service == null)
{
throw new ArgumentException($"the type {type.Name} is not a dubbo service !");
}
var config = new ServiceConfig()
{
Host = NetUtils.GetLocalHost(),
Application = ".net client",
Category = "consumers",
Protocol = ServiceConfig.DubboConsumer,
ServiceName = service.TargetService,
Side = "consumer"
};
var methodDictionary = new Dictionary <MethodInfo, InvokeContext>(MethodEqualityComparer);
var methods = type.GetMethods(BindingFlags.Public | BindingFlags.Instance);
var methodNames = new List <string>(methods.Length);
foreach (var methodInfo in methods)
{
var dubboMethod = methodInfo.GetCustomAttribute <DubboMethodAttribute>();
if (dubboMethod == null)
{
continue;
}
var returnType = methodInfo.ReturnType;
var isAsync = typeof(Task).IsAssignableFrom(returnType);
if (isAsync && returnType.IsGenericType)
{
returnType = returnType.GetGenericArguments()[0];
}
var parameterDesc = GetTypeDesc(methodInfo.GetParameters());
methodDictionary.Add(methodInfo, new InvokeContext
{
Service = service.TargetService,
Group = service.Group,
Version = service.Version,
Timeout = Math.Max(dubboMethod.Timeout, service.Timeout),
Method = dubboMethod.TargetMethod,
ParameterTypeInfo = parameterDesc,
IsAsync = isAsync,
ReturnType = returnType
});
methodNames.Add(dubboMethod.TargetMethod);
}
config.Methods = methodNames.ToArray();
var dubboInvoker = new DubboInvoker(new ReadOnlyDictionary <MethodInfo, InvokeContext>(methodDictionary));
registry.Register(config).Wait();
registry.Subscribe(config, providers =>
{
dubboInvoker.RefreshConnection(providers.ToSet());
}).Wait();
var client = DispatchProxyAsync.Create <T, DefaultProxy>();
var proxy = Convert(client);
proxy.DubboInvoker = dubboInvoker;
_singleObjects.TryAdd(type, proxy);
return(client);
}
}
