Add unit test for SqlBuilder with Dapper query (#1369)

Dapper.Tests/Dapper.Tests.csproj

@@ -13,6 +13,7 @@
   </PropertyGroup>
   
   <ItemGroup>
+    <ProjectReference Include="..\Dapper.SqlBuilder\Dapper.SqlBuilder.csproj" />
     <ProjectReference Include="..\Dapper\Dapper.csproj" />
     <ProjectReference Include="..\Dapper.Contrib\Dapper.Contrib.csproj" />
     <ProjectReference Include="..\Dapper.ProviderTools\Dapper.ProviderTools.csproj" />

Dapper.Tests/SqlBuilderTests.cs

+using System.Linq;
+using Xunit;
+
+namespace Dapper.Tests
+{
+    [Collection("SqlBuilderTests")]
+    public sealed class SystemSqlClientSqlBuilderTests : SqlBuilderTests<SystemSqlClientProvider> { }
+#if MSSQLCLIENT
+    [Collection("SqlBuilderTests")]
+    public sealed class MicrosoftSqlClientSqlBuilderTests : SqlBuilderTests<MicrosoftSqlClientProvider> { }
+#endif
+    public abstract class SqlBuilderTests<TProvider> : TestBase<TProvider> where TProvider : DatabaseProvider
+    {
+        [Fact]
+        public void TestSqlBuilderWithDapperQuery()
+        {
+            var sb = new SqlBuilder();
+            var template = sb.AddTemplate("SELECT /**select**/ FROM #Users /**where**/");
+            sb.Where("Age <= @Age", new { Age = 18 })
+              .Where("Country = @Country", new { Country = "USA" })
+              .Select("Name,Age,Country");
+
+            const string createSql = @"
+                create table #Users (Name varchar(20),Age int,Country nvarchar(5));
+                insert #Users values('Sam',16,'USA'),('Tom',25,'UK'),('Henry',14,'UK')";
+            try
+            {
+                connection.Execute(createSql);
+
+                var result = connection.Query(template.RawSql,template.Parameters).ToArray();
+
+                Assert.Equal("SELECT Name,Age,Country\n FROM #Users WHERE Age <= @Age AND Country = @Country\n", template.RawSql);
+
+                Assert.Single(result);
+
+                Assert.Equal(16, (int)result[0].Age);
+                Assert.Equal("Sam", (string)result[0].Name);
+                Assert.Equal("USA", (string)result[0].Country);
+            }
+            finally
+            {
+                connection.Execute("drop table #Users");
+            }
+        }
+    }
+}