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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System;
using System.Collections.Generic;
using System.Web;
using System.Web.Mvc;
using Moq;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace Microsoft.Web.Mvc.Test
{
public class CookieTempDataProviderTest
{
[Fact]
public void ConstructProviderThrowsOnNullHttpContext()
{
Assert.ThrowsArgumentNull(
delegate { new CookieTempDataProvider(null); },
"httpContext");
}
[Fact]
public void CtorSetsHttpContextProperty()
{
var httpContext = new Mock<HttpContextBase>().Object;
var provider = new CookieTempDataProvider(httpContext);
Assert.Equal(httpContext, provider.HttpContext);
}
[Fact]
public void LoadTempDataWithEmptyCookieReturnsEmptyDictionary()
{
HttpCookie cookie = new HttpCookie("__ControllerTempData");
cookie.Value = String.Empty;
var cookies = new HttpCookieCollection();
cookies.Add(cookie);
var requestMock = new Mock<HttpRequestBase>();
requestMock.Setup(r => r.Cookies).Returns(cookies);
var httpContextMock = new Mock<HttpContextBase>();
httpContextMock.Setup(c => c.Request).Returns(requestMock.Object);
ITempDataProvider provider = new CookieTempDataProvider(httpContextMock.Object);
IDictionary<string, object> tempData = provider.LoadTempData(null /* controllerContext */);
Assert.NotNull(tempData);
Assert.Equal(0, tempData.Count);
}
[Fact]
public void LoadTempDataWithNullCookieReturnsEmptyTempDataDictionary()
{
var cookies = new HttpCookieCollection();
var requestMock = new Mock<HttpRequestBase>();
requestMock.Setup(r => r.Cookies).Returns(cookies);
var httpContextMock = new Mock<HttpContextBase>();
httpContextMock.Setup(c => c.Request).Returns(requestMock.Object);
ITempDataProvider provider = new CookieTempDataProvider(httpContextMock.Object);
IDictionary<string, object> tempData = provider.LoadTempData(null /* controllerContext */);
Assert.NotNull(tempData);
Assert.Equal(0, tempData.Count);
}
[Fact]
public void LoadTempDataIgnoresNullResponseCookieDoesNotThrowException()
{
HttpCookie cookie = new HttpCookie("__ControllerTempData");
var initialTempData = new Dictionary<string, object>();
initialTempData.Add("WhatIsInHere?", "Stuff");
cookie.Value = CookieTempDataProvider.DictionaryToBase64String(initialTempData);
var cookies = new HttpCookieCollection();
cookies.Add(cookie);
var requestMock = new Mock<HttpRequestBase>();
requestMock.Setup(r => r.Cookies).Returns(cookies);
var responseMock = new Mock<HttpResponseBase>();
responseMock.Setup(r => r.Cookies).Returns((HttpCookieCollection)null);
var httpContextMock = new Mock<HttpContextBase>();
httpContextMock.Setup(c => c.Request).Returns(requestMock.Object);
httpContextMock.Setup(c => c.Response).Returns(responseMock.Object);
ITempDataProvider provider = new CookieTempDataProvider(httpContextMock.Object);
IDictionary<string, object> tempData = provider.LoadTempData(null /* controllerContext */);
Assert.Equal("Stuff", tempData["WhatIsInHere?"]);
}
[Fact]
public void LoadTempDataWithNullResponseDoesNotThrowException()
{
HttpCookie cookie = new HttpCookie("__ControllerTempData");
var initialTempData = new Dictionary<string, object>();
initialTempData.Add("WhatIsInHere?", "Stuff");
cookie.Value = CookieTempDataProvider.DictionaryToBase64String(initialTempData);
var cookies = new HttpCookieCollection();
cookies.Add(cookie);
var requestMock = new Mock<HttpRequestBase>();
requestMock.Setup(r => r.Cookies).Returns(cookies);
var httpContextMock = new Mock<HttpContextBase>();
httpContextMock.Setup(c => c.Request).Returns(requestMock.Object);
httpContextMock.Setup(c => c.Response).Returns((HttpResponseBase)null);
ITempDataProvider provider = new CookieTempDataProvider(httpContextMock.Object);
IDictionary<string, object> tempData = provider.LoadTempData(null /* controllerContext */);
Assert.Equal("Stuff", tempData["WhatIsInHere?"]);
}
[Fact]
public void SaveTempDataStoresSerializedFormInCookie()
{
var cookies = new HttpCookieCollection();
var responseMock = new Mock<HttpResponseBase>();
responseMock.Setup(r => r.Cookies).Returns(cookies);
var httpContextMock = new Mock<HttpContextBase>();
httpContextMock.Setup(c => c.Response).Returns(responseMock.Object);
ITempDataProvider provider = new CookieTempDataProvider(httpContextMock.Object);
var tempData = new Dictionary<string, object>();
tempData.Add("Testing", "Turn it up to 11");
tempData.Add("Testing2", 1.23);
provider.SaveTempData(null, tempData);
HttpCookie cookie = cookies["__ControllerTempData"];
string serialized = cookie.Value;
IDictionary<string, object> deserializedTempData = CookieTempDataProvider.Base64StringToDictionary(serialized);
Assert.Equal("Turn it up to 11", deserializedTempData["Testing"]);
Assert.Equal(1.23, deserializedTempData["Testing2"]);
}
[Fact]
public void CanLoadTempDataFromCookie()
{
var tempData = new Dictionary<string, object>();
tempData.Add("abc", "easy as 123");
tempData.Add("price", 1.234);
string serializedTempData = CookieTempDataProvider.DictionaryToBase64String(tempData);
var cookies = new HttpCookieCollection();
var httpCookie = new HttpCookie("__ControllerTempData");
httpCookie.Value = serializedTempData;
cookies.Add(httpCookie);
var requestMock = new Mock<HttpRequestBase>();
requestMock.Setup(r => r.Cookies).Returns(cookies);
var responseMock = new Mock<HttpResponseBase>();
responseMock.Setup(r => r.Cookies).Returns(cookies);
var httpContextMock = new Mock<HttpContextBase>();
httpContextMock.Setup(c => c.Request).Returns(requestMock.Object);
httpContextMock.Setup(c => c.Response).Returns(responseMock.Object);
ITempDataProvider provider = new CookieTempDataProvider(httpContextMock.Object);
IDictionary<string, object> loadedTempData = provider.LoadTempData(null /* controllerContext */);
Assert.Equal(2, loadedTempData.Count);
Assert.Equal("easy as 123", loadedTempData["abc"]);
Assert.Equal(1.234, loadedTempData["price"]);
}
}
}
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