Test for mapping resolving when the mapping object not is specified during configuration and have circular references.

Author: Tasteful

src/AutoMapper.Collection.Tests/NotExistingTests.cs

@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Linq;
 using AutoMapper.EquivalencyExpression;
 using FluentAssertions;
@@ -43,23 +44,23 @@ public void Should_not_throw_exception_for_nonexisting_types()
             assertModel.Contacts.Single().Name.Should().Be(originalModel.Contacts.Single().Name);
             assertModel.Contacts.Single().Emails.Single().Address.Should().Be(originalModel.Contacts.Single().Emails.Single().Address);
 
+            assertModel.Contacts.Single().Emails.Add(new EmailViewModel { Address = "[email protected]" });
+
             mapper.Map(assertModel, originalModel);
-            // This tests if equality was found and mapped to pre-existing object and not defaulting to AM and clearing and regenerating the list
-            originalModel.Contacts.Single().Emails.Single().Should().Be(originalEmail);
         }
 
         public class System
         {
-            public int Id { get; set; }
+            public Guid Id { get; set; } = Guid.NewGuid();
             public string Name { get; set; }
 
             public ICollection<Contact> Contacts { get; set; }
         }
 
         public class Contact
         {
-            public int Id { get; set; }
-            public int SystemId { get; set; }
+            public Guid Id { get; set; } = Guid.NewGuid();
+            public Guid SystemId { get; set; }
             public string Name { get; set; }
 
             public System System { get; set; }
@@ -69,26 +70,26 @@ public class Contact
 
         public class Email
         {
-            public int Id { get; set; }
+            public Guid Id { get; set; } = Guid.NewGuid();
 
-            public int ContactId { get; set; }
+            public Guid ContactId { get; set; }
             public string Address { get; set; }
 
             public Contact Contact { get; set; }
         }
 
         public class SystemViewModel
         {
-            public int Id { get; set; }
+            public Guid Id { get; set; }
             public string Name { get; set; }
 
             public ICollection<ContactViewModel> Contacts { get; set; }
         }
 
         public class ContactViewModel
         {
-            public int Id { get; set; }
-            public int SystemId { get; set; }
+            public Guid Id { get; set; }
+            public Guid SystemId { get; set; }
             public string Name { get; set; }
 
             public SystemViewModel System { get; set; }
@@ -98,8 +99,8 @@ public class ContactViewModel
 
         public class EmailViewModel
         {
-            public int Id { get; set; }
-            public int ContactId { get; set; }
+            public Guid Id { get; set; }
+            public Guid ContactId { get; set; }
             public string Address { get; set; }
 
             public ContactViewModel Contact { get; set; }