Migrated HttpQueryStringModelBinder into netcore.

src/Umbraco.Tests.UnitTests/Umbraco.Web.Common/ModelBinders/HttpQueryStringModelBinderTests.cs

@@ -0,0 +1,90 @@
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.Abstractions;
+using Microsoft.AspNetCore.Mvc.ModelBinding;
+using Microsoft.AspNetCore.Routing;
+using Microsoft.Extensions.Primitives;
+using NUnit.Framework;
+using Umbraco.Web.Common.ModelBinders;
+
+namespace Umbraco.Tests.UnitTests.Umbraco.Web.Common.ModelBinders
+{
+    [TestFixture]
+    public class HttpQueryStringModelBinderTests
+    {
+        [Test]
+        public void Binds_Query_To_FormCollection()
+        {
+            // Arrange
+            var bindingContext = CreateBindingContext("?foo=bar&baz=buzz");
+            var binder = new HttpQueryStringModelBinder();
+
+            // Act
+            binder.BindModelAsync(bindingContext);
+
+            // Assert
+            Assert.True(bindingContext.Result.IsModelSet);
+
+            var typedModel = bindingContext.Result.Model as FormCollection;
+            Assert.IsNotNull(typedModel);
+            Assert.AreEqual(typedModel["foo"], "bar");
+            Assert.AreEqual(typedModel["baz"], "buzz");
+        }
+
+        [Test]
+        public void Sets_Culture_Form_Value_From_Query_If_Provided()
+        {
+            // Arrange
+            var bindingContext = CreateBindingContext("?foo=bar&baz=buzz&culture=en-gb");
+            var binder = new HttpQueryStringModelBinder();
+
+            // Act
+            binder.BindModelAsync(bindingContext);
+
+            // Assert
+            Assert.True(bindingContext.Result.IsModelSet);
+
+            var typedModel = bindingContext.Result.Model as FormCollection;
+            Assert.IsNotNull(typedModel);
+            Assert.AreEqual(typedModel["culture"], "en-gb");
+        }
+
+        [Test]
+        public void Sets_Culture_Form_Value_From_Header_If_Not_Provided_In_Query()
+        {
+            // Arrange
+            var bindingContext = CreateBindingContext("?foo=bar&baz=buzz");
+            var binder = new HttpQueryStringModelBinder();
+
+            // Act
+            binder.BindModelAsync(bindingContext);
+
+            // Assert
+            Assert.True(bindingContext.Result.IsModelSet);
+
+            var typedModel = bindingContext.Result.Model as FormCollection;
+            Assert.IsNotNull(typedModel);
+            Assert.AreEqual(typedModel["culture"], "en-gb");
+        }
+
+        private ModelBindingContext CreateBindingContext(string querystring)
+        {
+            var httpContext = new DefaultHttpContext();
+            httpContext.Request.QueryString = new QueryString(querystring);
+            httpContext.Request.Headers.Add("X-UMB-CULTURE", new StringValues("en-gb"));
+            var routeData = new RouteData();
+            var actionContext = new ActionContext(httpContext, routeData, new ActionDescriptor());
+            var metadataProvider = new EmptyModelMetadataProvider();
+            var routeValueDictionary = new RouteValueDictionary();
+            var valueProvider = new RouteValueProvider(BindingSource.Path, routeValueDictionary);
+            var modelType = typeof(FormCollection);
+            return new DefaultModelBindingContext
+            {
+                ActionContext = actionContext,
+                ModelMetadata = metadataProvider.GetMetadataForType(modelType),
+                ModelName = modelType.Name,
+                ValueProvider = valueProvider,
+            };
+        }
+    }
+}