Merge pull request #19 from The-Standard-Organization/users/ZafarUrak…

…ov/coderub-add-new-type-exception

CODE RUB: Handle New Type of Exception

STX.EFxceptions.Cosmos.Base.Tests.Unit/Services/Foundations/CosmosEfxceptionServiceTests.Exceptions.cs

@@ -32,6 +32,26 @@ public void ShouldThrowCosmosExceptionIfStatusCodeIsNotRecognized()
                 this.cosmosEFxceptionService.ThrowMeaningfulException(dbUpdateException));
         }
 
+        [Fact]
+        public void ShouldThrowDuplicateKeyCosmosException()
+        {
+            // given
+            HttpStatusCode cosmosStatusCode = HttpStatusCode.Conflict;
+            CosmosException cosmosException = CreateCosmosException(cosmosStatusCode);
+
+            var dbUpdateException = new DbUpdateException(
+               message: cosmosException.Message,
+               innerException: cosmosException);
+
+            this.cosmosErrorBrokerMock.Setup(broker =>
+                broker.GetErrorCode(cosmosException))
+                    .Returns((int)cosmosStatusCode);
+
+            // when . then
+            Assert.Throws<DuplicateKeyCosmosException>(() =>
+                this.cosmosEFxceptionService.ThrowMeaningfulException(dbUpdateException));
+        }
+
         [Fact]
         public void ShouldThrowAuthenticationFailedCosmosException()
         {

STX.EFxceptions.Cosmos.Base.Tests.Unit/Services/Foundations/CosmosEfxceptionServiceTests.Validations.cs

@@ -0,0 +1,30 @@
+// ----------------------------------------------------------------------------------
+// Copyright(c) The Standard Organization: A coalition of the Good-Hearted Engineers
+// ----------------------------------------------------------------------------------
+
+using Microsoft.Azure.Cosmos;
+using Microsoft.EntityFrameworkCore;
+using Moq;
+using System;
+using Xunit;
+
+namespace STX.EFxceptions.Cosmos.Base.Tests.Unit.Services.Foundations
+{
+    public partial class CosmosEfxceptionServiceTests
+    {
+        [Fact]
+        public void ShouldThrowDbUpdateExceptionIfCosmosExceptionWasNull()
+        {
+            // given
+            var dbUpdateException = new DbUpdateException(null, default(Exception));
+
+            // when . then
+            Assert.Throws<DbUpdateException>(() =>
+                this.cosmosEFxceptionService.ThrowMeaningfulException(dbUpdateException));
+
+            this.cosmosErrorBrokerMock.Verify(broker =>
+                broker.GetErrorCode(It.IsAny<CosmosException>()),
+                    Times.Never);
+        }
+    }
+}

STX.EFxceptions.Cosmos.Base/Models/Exceptions/DuplicateKeyCosmosException.cs

@@ -0,0 +1,13 @@
+// ----------------------------------------------------------------------------------
+// Copyright(c) The Standard Organization: A coalition of the Good-Hearted Engineers
+// ----------------------------------------------------------------------------------
+
+using System;
+
+namespace STX.EFxceptions.Cosmos.Base.Models.Exceptions
+{
+    public class DuplicateKeyCosmosException : Exception
+    {
+        public DuplicateKeyCosmosException(string message) : base(message) { }
+    }
+}

STX.EFxceptions.Cosmos.Base/Services/Foundations/CosmosEFxceptionService.Exceptions.cs

@@ -20,6 +20,8 @@ private void ConvertAndThrowMeaningfulException(int cosmosErrorCode, string mess
                     throw new ResourceNotFoundCosmosException(message);
                 case 408:
                     throw new RequestTimeoutCosmosException(message);
+                case 409:
+                    throw new DuplicateKeyCosmosException(message);
                 case 412:
                     throw new PreconditionFailedCosmosException(message);
                 case 413:

STX.EFxceptions.Cosmos/EFxceptionsContext.cs

@@ -1,4 +1,4 @@
-// ----------------------------------------------------------------------------------
+// ----------------------------------------------------------------------------------
 // Copyright(c) The Standard Organization: A coalition of the Good-Hearted Engineers
 // ----------------------------------------------------------------------------------
 

STX.EFxceptions.Identity.Cosmos/EFxceptionsIdentityContext.cs

@@ -55,7 +55,7 @@ public EFxceptionsIdentityContext(DbContextOptions options) : base(options)
 
         protected EFxceptionsIdentityContext() : base()
         { }
-
+        
         protected override IDbErrorBroker<CosmosException> CreateErrorBroker() =>
             new CosmosErrorBroker();