Add typed procedure descriptors and Exec invoker

DynamORM.Tests/Procedure/ProcedureParameterBinderTests.cs

@@ -5,6 +5,7 @@
  */
 
 using System.Data;
+using System.Dynamic;
 using DynamORM.Helpers;
 using DynamORM.Tests.Helpers;
 using NUnit.Framework;
@@ -122,6 +123,55 @@ namespace DynamORM.Tests.Procedure
             Assert.IsNull(DynamicProcedureResultBinder.GetDeclaredResultType(new object()));
         }
 
+        [Test]
+        public void TestProcedureDescriptorResolvesAttributeNameAndArguments()
+        {
+            var descriptor = DynamicProcedureDescriptor.Resolve(typeof(ExecProcedureDescriptor));
+
+            Assert.AreEqual(typeof(ExecProcedureDescriptor), descriptor.ProcedureType);
+            Assert.AreEqual(typeof(ProcedureParameterObject), descriptor.ArgumentsType);
+            Assert.IsNull(descriptor.ResultType);
+            Assert.AreEqual("dbo.sp_exec_test", descriptor.ProcedureName);
+            Assert.AreEqual("sp_exec_test", descriptor.ResultName);
+        }
+
+        [Test]
+        public void TestProcedureDescriptorResolvesDefaultNameAndExplicitResult()
+        {
+            var defaultDescriptor = DynamicProcedureDescriptor.Resolve(typeof(ExecProcedureDefaultDescriptor));
+            var explicitDescriptor = DynamicProcedureDescriptor.Resolve(typeof(ExecProcedureDescriptorWithExplicitResult));
+
+            Assert.AreEqual("ExecProcedureDefaultDescriptor", defaultDescriptor.ProcedureName);
+            Assert.AreEqual(typeof(ProcedureParameterObject), defaultDescriptor.ArgumentsType);
+            Assert.IsNull(defaultDescriptor.ResultType);
+
+            Assert.AreEqual("sp_exec_result", explicitDescriptor.ProcedureName);
+            Assert.AreEqual(typeof(ProcedureParameterColumnFallbackObject), explicitDescriptor.ArgumentsType);
+            Assert.AreEqual(typeof(ProcedureAttributedResult), explicitDescriptor.ResultType);
+        }
+
+        [Test]
+        public void TestExecRejectsWrongArgumentsType()
+        {
+            dynamic procedures = new DynamicProcedureInvoker(null);
+
+            Assert.Throws<System.InvalidOperationException>(() =>
+            {
+                var ignored = procedures.Exec<ExecProcedureDescriptor>(new ProcedureParameterColumnFallbackObject());
+            });
+        }
+
+        [Test]
+        public void TestExecRejectsMultipleArguments()
+        {
+            dynamic procedures = new DynamicProcedureInvoker(null);
+
+            Assert.Throws<System.InvalidOperationException>(() =>
+            {
+                var ignored = procedures.Exec<ExecProcedureDescriptor>(new ProcedureParameterObject(), new ProcedureParameterObject());
+            });
+        }
+
         [Test]
         public void TestDeclaredResultPayloadBindingMapsMainAndOutValues()
         {