Add AutoQuery Join tests

Author: mythz

tests/ServiceStack.OrmLite.Tests/Issues/AutoQueryJoinTests.cs

@@ -0,0 +1,112 @@
+using System;
+using System.Collections.Generic;
+using NUnit.Framework;
+using ServiceStack.DataAnnotations;
+using ServiceStack.Text;
+
+namespace ServiceStack.OrmLite.Tests.Issues
+{
+    public class Product
+    {
+        [AutoIncrement]
+        public int Id { get; set; }
+        public string ProductType { get; set; }
+        public string Name { get; set; }
+        public string Description { get; set; }
+        public int DisplayOrder { get; set; }
+        public bool LimitedToStores { get; set; }
+        public string Sku { get; set; }
+        public decimal Price { get; set; }
+        public decimal OldPrice { get; set; }
+        public decimal SpecialPrice { get; set; }
+        public decimal DiscountPercentage { get; set; }
+        public DateTime? DateChanged { get; set; }
+        public DateTime? DateCreated { get; set; }
+
+        [Reference]
+        public List<StockItem> StockItems { get; set; } = new List<StockItem>();
+    }
+
+    public class StockItem
+    {
+        [AutoIncrement]
+        public int Id { get; set; }
+        [References(typeof(Product))]
+        public int ProductId { get; set; }
+        public string Size { get; set; }
+        public int TotalStockQuantity { get; set; }
+        public string Gtin { get; set; }
+        public int DisplayOrder { get; set; }
+
+        [Reference]
+        public Product Product { get; set; }
+    }
+
+    public class AutoQueryJoinTests : OrmLiteTestBase
+    {
+        [Test]
+        public void Can_select_references_with_join()
+        {
+            using (var db = OpenDbConnection())
+            {
+                db.DropTable<StockItem>();
+                db.DropTable<Product>();
+                db.CreateTable<Product>();
+                db.CreateTable<StockItem>();
+
+                db.Save(new Product
+                {
+                    ProductType = "A",
+                    Name = "Name A",
+                    DisplayOrder = 1,
+                    Sku = "SKU A",
+                    Price = 1,
+                    DateCreated = DateTime.UtcNow,
+                    StockItems = new List<StockItem>
+                    {
+                        new StockItem { Size = "1", TotalStockQuantity = 1, DisplayOrder = 1 },
+                        new StockItem { Size = "2", TotalStockQuantity = 2, DisplayOrder = 2 },
+                    }
+                }, references: true);
+
+                db.Save(new Product
+                {
+                    ProductType = "B",
+                    Name = "Name B",
+                    DisplayOrder = 2,
+                    Sku = "SKU B",
+                    Price = 2,
+                    DateCreated = DateTime.UtcNow,
+                    StockItems = new List<StockItem>
+                    {
+                        new StockItem { Size = "3", TotalStockQuantity = 3, DisplayOrder = 3 },
+                        new StockItem { Size = "4", TotalStockQuantity = 4, DisplayOrder = 4 },
+                    }
+                }, references: true);
+
+                db.Insert(new Product
+                {
+                    ProductType = "C",
+                    Name = "Name C",
+                    DisplayOrder = 3,
+                    Sku = "SKU C",
+                    Price = 3,
+                    DateCreated = DateTime.UtcNow,
+                });
+
+                var results = db.LoadSelect<Product>();
+                Assert.That(results.Count, Is.EqualTo(3));
+
+                var q = db.From<Product>().Join<StockItem>();
+                var products = db.Select(q.SelectDistinct());
+                var stockItems = db.Select<StockItem>();
+
+                products.Merge(stockItems);
+
+                Assert.That(products.Count, Is.EqualTo(2));
+                Assert.That(products[0].StockItems.Count, Is.EqualTo(2));
+                Assert.That(products[1].StockItems.Count, Is.EqualTo(2));
+            }
+        }
+    }
+}

tests/ServiceStack.OrmLite.Tests/ServiceStack.OrmLite.Tests.csproj

@@ -142,6 +142,7 @@
     <Compile Include="Expression\SqlExpressionDeleteTests.cs" />
     <Compile Include="Expression\SqlExpressionFilterTests.cs" />
     <Compile Include="Expression\SqlExpressionJoinTests.cs" />
+    <Compile Include="Issues\AutoQueryJoinTests.cs" />
     <Compile Include="Issues\JoinAliasWithSchemaIssue.cs" />
     <Compile Include="Issues\JsonUpdateOnlyIssue.cs" />
     <Compile Include="Issues\LoadReferencesNullReferenceIssue.cs" />