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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Collections;
using System.Collections.Generic;
using Moq;
using Xunit;
namespace System.Web.Mvc.Test
{
public class TempDataDictionaryTest
{
[Fact]
public void CompareIsOrdinalIgnoreCase()
{
// Arrange
TempDataDictionary tempData = new TempDataDictionary();
object item = new object();
// Act
tempData["Foo"] = item;
object value = tempData["FOO"];
// Assert
Assert.Same(item, value);
}
[Fact]
public void EnumeratingDictionaryMarksValuesForDeletion()
{
// Arrange
NullTempDataProvider provider = new NullTempDataProvider();
TempDataDictionary tempData = new TempDataDictionary();
Mock<ControllerContext> controllerContext = new Mock<ControllerContext>();
tempData["Foo"] = "Foo";
tempData["Bar"] = "Bar";
// Act
IEnumerator<KeyValuePair<string, object>> enumerator = tempData.GetEnumerator();
while (enumerator.MoveNext())
{
object value = enumerator.Current;
}
tempData.Save(controllerContext.Object, provider);
// Assert
Assert.False(tempData.ContainsKey("Foo"));
Assert.False(tempData.ContainsKey("Bar"));
}
[Fact]
public void EnumeratingTempDataAsIEnmerableMarksValuesForDeletion()
{
// Arrange
NullTempDataProvider provider = new NullTempDataProvider();
TempDataDictionary tempData = new TempDataDictionary();
Mock<ControllerContext> controllerContext = new Mock<ControllerContext>();
tempData["Foo"] = "Foo";
tempData["Bar"] = "Bar";
// Act
IEnumerator enumerator = ((IEnumerable)tempData).GetEnumerator();
while (enumerator.MoveNext())
{
object value = enumerator.Current;
}
tempData.Save(controllerContext.Object, provider);
// Assert
Assert.False(tempData.ContainsKey("Foo"));
Assert.False(tempData.ContainsKey("Bar"));
}
[Fact]
public void KeepRetainsAllKeysWhenSavingDictionary()
{
// Arrange
NullTempDataProvider provider = new NullTempDataProvider();
TempDataDictionary tempData = new TempDataDictionary();
Mock<ControllerContext> controllerContext = new Mock<ControllerContext>();
controllerContext.Setup(c => c.HttpContext.Request).Returns(new Mock<HttpRequestBase>().Object);
tempData["Foo"] = "Foo";
tempData["Bar"] = "Bar";
// Act
tempData.Keep();
tempData.Save(controllerContext.Object, provider);
// Assert
Assert.True(tempData.ContainsKey("Foo"));
Assert.True(tempData.ContainsKey("Bar"));
}
[Fact]
public void KeepRetainsSpecificKeysWhenSavingDictionary()
{
// Arrange
NullTempDataProvider provider = new NullTempDataProvider();
TempDataDictionary tempData = new TempDataDictionary();
Mock<ControllerContext> controllerContext = new Mock<ControllerContext>();
controllerContext.Setup(c => c.HttpContext.Request).Returns(new Mock<HttpRequestBase>().Object);
tempData["Foo"] = "Foo";
tempData["Bar"] = "Bar";
// Act
tempData.Keep("Foo");
object value = tempData["Bar"];
tempData.Save(controllerContext.Object, provider);
// Assert
Assert.True(tempData.ContainsKey("Foo"));
Assert.False(tempData.ContainsKey("Bar"));
}
[Fact]
public void LoadAndSaveAreCaseInsensitive()
{
// Arrange
Dictionary<string, object> data = new Dictionary<string, object>();
data["Foo"] = "Foo";
data["Bar"] = "Bar";
TestTempDataProvider provider = new TestTempDataProvider(data);
Mock<ControllerContext> controllerContext = new Mock<ControllerContext>();
TempDataDictionary tempData = new TempDataDictionary();
// Act
tempData.Load(controllerContext.Object, provider);
object value = tempData["FOO"];
tempData.Save(controllerContext.Object, provider);
// Assert
Assert.False(tempData.ContainsKey("foo"));
Assert.True(tempData.ContainsKey("bar"));
}
[Fact]
public void PeekDoesNotMarkKeyAsRead()
{
// Arrange
NullTempDataProvider provider = new NullTempDataProvider();
TempDataDictionary tempData = new TempDataDictionary();
Mock<ControllerContext> controllerContext = new Mock<ControllerContext>();
tempData["Bar"] = "barValue";
// Act
object value = tempData.Peek("bar");
tempData.Save(controllerContext.Object, provider);
// Assert
Assert.Equal("barValue", value);
Assert.True(tempData.ContainsKey("Bar"));
}
[Fact]
public void RemovalOfKeysAreCaseInsensitive()
{
NullTempDataProvider provider = new NullTempDataProvider();
TempDataDictionary tempData = new TempDataDictionary();
Mock<ControllerContext> controllerContext = new Mock<ControllerContext>();
object fooValue;
tempData["Foo"] = "Foo";
tempData["Bar"] = "Bar";
// Act
tempData.TryGetValue("foo", out fooValue);
object barValue = tempData["bar"];
tempData.Save(controllerContext.Object, provider);
// Assert
Assert.False(tempData.ContainsKey("Foo"));
Assert.False(tempData.ContainsKey("Boo"));
}
[Fact]
public void SaveRetainsAllKeys()
{
// Arrange
NullTempDataProvider provider = new NullTempDataProvider();
TempDataDictionary tempData = new TempDataDictionary();
Mock<ControllerContext> controllerContext = new Mock<ControllerContext>();
tempData["Foo"] = "Foo";
tempData["Bar"] = "Bar";
// Act
tempData.Save(controllerContext.Object, provider);
// Assert
Assert.True(tempData.ContainsKey("Foo"));
Assert.True(tempData.ContainsKey("Bar"));
}
[Fact]
public void SaveRemovesKeysThatWereRead()
{
// Arrange
NullTempDataProvider provider = new NullTempDataProvider();
TempDataDictionary tempData = new TempDataDictionary();
Mock<ControllerContext> controllerContext = new Mock<ControllerContext>();
tempData["Foo"] = "Foo";
tempData["Bar"] = "Bar";
// Act
object value = tempData["Foo"];
tempData.Save(controllerContext.Object, provider);
// Assert
Assert.False(tempData.ContainsKey("Foo"));
Assert.True(tempData.ContainsKey("Bar"));
}
[Fact]
public void TempDataIsADictionary()
{
// Arrange
TempDataDictionary tempData = new TempDataDictionary();
// Act
tempData["Key1"] = "Value1";
tempData.Add("Key2", "Value2");
((ICollection<KeyValuePair<string, object>>)tempData).Add(new KeyValuePair<string, object>("Key3", "Value3"));
// Assert (IDictionary)
Assert.Equal(3, tempData.Count);
Assert.True(tempData.Remove("Key1"));
Assert.False(tempData.Remove("Key4"));
Assert.True(tempData.ContainsValue("Value2"));
Assert.False(tempData.ContainsValue("Value1"));
Assert.Null(tempData["Key6"]);
IEnumerator tempDataEnumerator = tempData.GetEnumerator();
tempDataEnumerator.Reset();
while (tempDataEnumerator.MoveNext())
{
KeyValuePair<string, object> pair = (KeyValuePair<string, object>)tempDataEnumerator.Current;
Assert.True(((ICollection<KeyValuePair<string, object>>)tempData).Contains(pair));
}
// Assert (ICollection)
foreach (string key in tempData.Keys)
{
Assert.True(((ICollection<KeyValuePair<string, object>>)tempData).Contains(new KeyValuePair<string, object>(key, tempData[key])));
}
foreach (string value in tempData.Values)
{
Assert.True(tempData.ContainsValue(value));
}
foreach (string key in ((IDictionary<string, object>)tempData).Keys)
{
Assert.True(tempData.ContainsKey(key));
}
foreach (string value in ((IDictionary<string, object>)tempData).Values)
{
Assert.True(tempData.ContainsValue(value));
}
KeyValuePair<string, object>[] keyValuePairArray = new KeyValuePair<string, object>[tempData.Count];
((ICollection<KeyValuePair<string, object>>)tempData).CopyTo(keyValuePairArray, 0);
Assert.False(((ICollection<KeyValuePair<string, object>>)tempData).IsReadOnly);
Assert.False(((ICollection<KeyValuePair<string, object>>)tempData).Remove(new KeyValuePair<string, object>("Key5", "Value5")));
IEnumerator<KeyValuePair<string, object>> keyValuePairEnumerator = ((ICollection<KeyValuePair<string, object>>)tempData).GetEnumerator();
keyValuePairEnumerator.Reset();
while (keyValuePairEnumerator.MoveNext())
{
KeyValuePair<string, object> pair = keyValuePairEnumerator.Current;
Assert.True(((ICollection<KeyValuePair<string, object>>)tempData).Contains(pair));
}
// Act
tempData.Clear();
// Assert
Assert.Empty(tempData);
}
[Fact]
public void TempDataDictionaryCreatesEmptyDictionaryIfProviderReturnsNull()
{
// Arrange
TempDataDictionary tempDataDictionary = new TempDataDictionary();
NullTempDataProvider provider = new NullTempDataProvider();
// Act
tempDataDictionary.Load(null /* controllerContext */, provider);
// Assert
Assert.Empty(tempDataDictionary);
}
[Fact]
public void TryGetValueMarksKeyForDeletion()
{
NullTempDataProvider provider = new NullTempDataProvider();
TempDataDictionary tempData = new TempDataDictionary();
Mock<ControllerContext> controllerContext = new Mock<ControllerContext>();
object value;
tempData["Foo"] = "Foo";
// Act
tempData.TryGetValue("Foo", out value);
tempData.Save(controllerContext.Object, provider);
// Assert
Assert.False(tempData.ContainsKey("Foo"));
}
internal class NullTempDataProvider : ITempDataProvider
{
public void SaveTempData(ControllerContext controllerContext, IDictionary<string, object> values)
{
}
public IDictionary<string, object> LoadTempData(ControllerContext controllerContext)
{
return null;
}
}
internal class TestTempDataProvider : ITempDataProvider
{
private IDictionary<string, object> _data;
public TestTempDataProvider(IDictionary<string, object> data)
{
_data = data;
}
public void SaveTempData(ControllerContext controllerContext, IDictionary<string, object> values)
{
}
public IDictionary<string, object> LoadTempData(ControllerContext controllerContext)
{
return _data;
}
}
}
}
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