Switching to NuGet Ardalis.Specifications (#389)

- updating to use Ardalis.Specifications package as it is maintained and has a more robust implementation
- Removing all custom specification implementation
- Updating unit tests

tests/UnitTests/ApplicationCore/Helpers/Query/IncludeAggregatorTests/Include.cs

@@ -1,4 +1,4 @@
-using Microsoft.eShopWeb.ApplicationCore.Helpers.Query;
+using Ardalis.Specification.QueryExtensions.Include;
 using Xunit;
 
 namespace Microsoft.eShopWeb.UnitTests.ApplicationCore.Helpers.Query.IncludeAggregatorTests

tests/UnitTests/ApplicationCore/Helpers/Query/IncludeQueryTests/Include.cs

@@ -1,4 +1,4 @@
-using Microsoft.eShopWeb.ApplicationCore.Helpers.Query;
+using Ardalis.Specification.QueryExtensions.Include;
 using Microsoft.eShopWeb.UnitTests.Builders;
 using Xunit;
 

tests/UnitTests/ApplicationCore/Helpers/Query/IncludeQueryTests/ThenInclude.cs

@@ -1,4 +1,4 @@
-using Microsoft.eShopWeb.ApplicationCore.Helpers.Query;
+using Ardalis.Specification.QueryExtensions.Include;
 using Microsoft.eShopWeb.UnitTests.Builders;
 using System.Linq;
 using Xunit;

tests/UnitTests/ApplicationCore/Helpers/Query/IncludeVisitorTests/Visit.cs

@@ -1,4 +1,4 @@
-using Microsoft.eShopWeb.ApplicationCore.Helpers.Query;
+using Ardalis.Specification.QueryExtensions.Include;
 using System;
 using System.Collections.Generic;
 using System.Linq.Expressions;

tests/UnitTests/ApplicationCore/Specifications/BasketWithItemsSpecification.cs

@@ -19,7 +19,7 @@ namespace Microsoft.eShopWeb.UnitTests
 
             var result = GetTestBasketCollection()
                 .AsQueryable()
-                .FirstOrDefault(spec.Criteria);
+                .FirstOrDefault(spec.Criterias.FirstOrDefault());
 
             Assert.NotNull(result);
             Assert.Equal(_testBasketId, result.Id);
@@ -34,7 +34,7 @@ namespace Microsoft.eShopWeb.UnitTests
 
             Assert.False(GetTestBasketCollection()
                 .AsQueryable()
-                .Any(spec.Criteria));
+                .Any(spec.Criterias.FirstOrDefault()));
         }
 
         public List<Basket> GetTestBasketCollection()

tests/UnitTests/ApplicationCore/Specifications/CatalogFilterSpecificationFilter.cs

@@ -3,7 +3,6 @@ using Microsoft.eShopWeb.ApplicationCore.Entities;
 using System.Collections.Generic;
 using System.Linq;
 using Xunit;
-using Moq;
 
 namespace Microsoft.eShopWeb.UnitTests
 {
@@ -23,7 +22,7 @@ namespace Microsoft.eShopWeb.UnitTests
 
             var result = GetTestItemCollection()
                 .AsQueryable()
-                .Where(spec.Criteria);
+                .Where(spec.Criterias.FirstOrDefault());
 
             Assert.Equal(expectedCount, result.Count());
         }

tests/UnitTests/Builders/IncludeQueryBuilder.cs

@@ -1,7 +1,5 @@
-using Microsoft.eShopWeb.ApplicationCore.Helpers.Query;
-using Microsoft.eShopWeb.ApplicationCore.Interfaces;
+using Ardalis.Specification.QueryExtensions.Include;
 using Microsoft.eShopWeb.UnitTests.ApplicationCore.Helpers.Query;
-using System;
 using System.Collections.Generic;
 
 namespace Microsoft.eShopWeb.UnitTests.Builders

tests/UnitTests/MediatorHandlers/OrdersTests/GetMyOrders_Should.cs

@@ -1,4 +1,5 @@
-using Microsoft.eShopWeb.ApplicationCore.Entities.OrderAggregate;
+using Ardalis.Specification;
+using Microsoft.eShopWeb.ApplicationCore.Entities.OrderAggregate;
 using Microsoft.eShopWeb.ApplicationCore.Interfaces;
 using Microsoft.eShopWeb.Web.Features.MyOrders;
 using Moq;

tests/UnitTests/MediatorHandlers/OrdersTests/GetOrderDetails_Should.cs

@@ -1,4 +1,5 @@
-using Microsoft.eShopWeb.ApplicationCore.Entities.OrderAggregate;
+using Ardalis.Specification;
+using Microsoft.eShopWeb.ApplicationCore.Entities.OrderAggregate;
 using Microsoft.eShopWeb.ApplicationCore.Interfaces;
 using Microsoft.eShopWeb.Web.Features.OrderDetails;
 using Moq;