方法查找结果严格检查

Author: xljiulang

WebApiClientCore/Exceptions/ProxyTypeCreateException.cs

@@ -5,19 +5,14 @@ namespace WebApiClientCore.Exceptions
     /// <summary>
     /// 表示代理类创建异常
     /// </summary>
-    public class ProxyTypeCreateException : Exception
+    public class ProxyTypeCreateException : ProxyTypeException
     {
-        /// <summary>
-        /// 接口类型
-        /// </summary>
-        public Type InterfaceType { get; }
-
         /// <summary>
         /// 代理类创建异常
         /// </summary>
         /// <param name="interfaceType">接口类型</param>
         public ProxyTypeCreateException(Type interfaceType)
-            : this(interfaceType, null)
+            : base(interfaceType)
         {
         }
 
@@ -27,9 +22,8 @@ public ProxyTypeCreateException(Type interfaceType)
         /// <param name="interfaceType">接口类型</param>
         /// <param name="message">提示消息</param>
         public ProxyTypeCreateException(Type interfaceType, string? message)
-            : base(message)
+            : base(interfaceType, message)
         {
-            this.InterfaceType = interfaceType;
         }
     }
 }

WebApiClientCore/Exceptions/ProxyTypeException.cs

@@ -0,0 +1,35 @@
+using System;
+
+namespace WebApiClientCore.Exceptions
+{
+    /// <summary>
+    /// 表示代理类异常
+    /// </summary>
+    public class ProxyTypeException : Exception
+    {
+        /// <summary>
+        /// 接口类型
+        /// </summary>
+        public Type InterfaceType { get; }
+
+        /// <summary>
+        /// 代理类异常
+        /// </summary>
+        /// <param name="interfaceType">接口类型</param>
+        public ProxyTypeException(Type interfaceType)
+            : this(interfaceType, null)
+        {
+        }
+
+        /// <summary>
+        /// 代理类创建异常
+        /// </summary>
+        /// <param name="interfaceType">接口类型</param>
+        /// <param name="message">提示消息</param>
+        public ProxyTypeException(Type interfaceType, string? message)
+            : base(message)
+        {
+            this.InterfaceType = interfaceType;
+        }
+    }
+}

WebApiClientCore/Implementations/SourceGeneratorHttpApiActivator.cs

@@ -73,13 +73,21 @@ private static MethodInfo[] FindApiMethods(Type httpApiType, Type proxyClassType
             var apiMethods = HttpApi.FindApiMethods(httpApiType);
             var classMethods = proxyClassType.GetMethods(BindingFlags.NonPublic | BindingFlags.Instance);
 
-            var methods = from a in apiMethods.Select(item => new MethodFeature(item))
-                          join c in classMethods.Select(item => new MethodFeature(item))
-                          on a equals c
-                          orderby c.Index
-                          select a.Method;
-
-            return methods.ToArray();
+            // 按照Index特征对apiMethods进行排序
+            var query = from a in apiMethods.Select(item => new MethodFeature(item, isProxyMethod: false))
+                        join c in classMethods.Select(item => new MethodFeature(item, isProxyMethod: true))
+                        on a equals c
+                        orderby c.Index
+                        select a.Method;
+
+            var methods = query.ToArray();
+            if (apiMethods.Length != methods.Length)
+            {
+                var missingMethod = apiMethods.Except(methods).FirstOrDefault();
+                var message = $"{httpApiType}的代理类缺失方法{missingMethod}";
+                throw new ProxyTypeException(httpApiType, message);
+            }
+            return methods;
         }
 
         /// <summary>
@@ -97,10 +105,17 @@ private sealed class MethodFeature : IEquatable<MethodFeature>
             /// MethodInfo的特征
             /// </summary>
             /// <param name="method"></param>
-            public MethodFeature(MethodInfo method)
+            /// <param name="isProxyMethod"></param>
+            public MethodFeature(MethodInfo method, bool isProxyMethod)
             {
-                var attribute = method.GetCustomAttribute<HttpApiProxyMethodAttribute>();
                 this.Method = method;
+
+                var attribute = default(HttpApiProxyMethodAttribute);
+                if (isProxyMethod)
+                {
+                    attribute = method.GetCustomAttribute<HttpApiProxyMethodAttribute>();
+                }
+
                 this.Index = attribute == null ? -1 : attribute.Index;
                 this.Name = attribute == null ? $"{method.DeclaringType?.FullName}.{method.Name}" : attribute.Name;
             }