aspnetcore/test/Microsoft.AspNetCore.Mvc.Vi.../ViewFeatures/SessionStateTempDataProvide...

468 lines
15 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Http.Features;
using Xunit;
namespace Microsoft.AspNetCore.Mvc.ViewFeatures
{
public class SessionStateTempDataProviderTest
{
[Fact]
public void Load_ThrowsException_WhenSessionIsNotEnabled()
{
// Arrange
var testProvider = new SessionStateTempDataProvider();
// Act & Assert
Assert.Throws<InvalidOperationException>(() =>
{
testProvider.LoadTempData(GetHttpContext(sessionEnabled: false));
});
}
[Fact]
public void Save_ThrowsException_WhenSessionIsNotEnabled()
{
// Arrange
var testProvider = new SessionStateTempDataProvider();
var values = new Dictionary<string, object>();
values.Add("key1", "value1");
// Act & Assert
Assert.Throws<InvalidOperationException>(() =>
{
testProvider.SaveTempData(GetHttpContext(sessionEnabled: false), values);
});
}
[Fact]
public void Load_ReturnsEmptyDictionary_WhenNoSessionDataIsAvailable()
{
// Arrange
var testProvider = new SessionStateTempDataProvider();
// Act
var tempDataDictionary = testProvider.LoadTempData(GetHttpContext());
// Assert
Assert.Empty(tempDataDictionary);
}
[Fact]
public void Load_ReturnsEmptyDictionary_WhenSessionDataIsEmpty()
{
// Arrange
var testProvider = new SessionStateTempDataProvider();
var httpContext = GetHttpContext();
httpContext.Session.Set(SessionStateTempDataProvider.TempDataSessionStateKey, new byte[] { });
// Act
var tempDataDictionary = testProvider.LoadTempData(httpContext);
// Assert
Assert.Empty(tempDataDictionary);
}
public static TheoryData<object, Type> InvalidTypes
{
get
{
return new TheoryData<object, Type>
{
{ new object(), typeof(object) },
{ new object[3], typeof(object) },
{ new TestItem(), typeof(TestItem) },
{ new List<TestItem>(), typeof(TestItem) },
{ new Dictionary<string, TestItem>(), typeof(TestItem) },
};
}
}
[Theory]
[MemberData(nameof(InvalidTypes))]
public void EnsureObjectCanBeSerialized_ThrowsException_OnInvalidType(object value, Type type)
{
// Arrange
var testProvider = new SessionStateTempDataProvider();
// Act & Assert
var exception = Assert.Throws<InvalidOperationException>(() =>
{
testProvider.EnsureObjectCanBeSerialized(value);
});
Assert.Equal($"The '{typeof(SessionStateTempDataProvider).FullName}' cannot serialize " +
$"an object of type '{type}' to session state.",
exception.Message);
}
public static TheoryData<object, Type> InvalidDictionaryTypes
{
get
{
return new TheoryData<object, Type>
{
{ new Dictionary<int, string>(), typeof(int) },
{ new Dictionary<Uri, Guid>(), typeof(Uri) },
{ new Dictionary<object, string>(), typeof(object) },
{ new Dictionary<TestItem, TestItem>(), typeof(TestItem) }
};
}
}
[Theory]
[MemberData(nameof(InvalidDictionaryTypes))]
public void EnsureObjectCanBeSerialized_ThrowsException_OnInvalidDictionaryType(object value, Type type)
{
// Arrange
var testProvider = new SessionStateTempDataProvider();
// Act & Assert
var exception = Assert.Throws<InvalidOperationException>(() =>
{
testProvider.EnsureObjectCanBeSerialized(value);
});
Assert.Equal($"The '{typeof(SessionStateTempDataProvider).FullName}' cannot serialize a dictionary " +
$"with a key of type '{type}' to session state.",
exception.Message);
}
public static TheoryData<object> ValidTypes
{
get
{
return new TheoryData<object>
{
{ 10 },
{ new int[]{ 10, 20 } },
{ "FooValue" },
{ new Uri("http://Foo") },
{ Guid.NewGuid() },
{ new List<string> { "foo", "bar" } },
{ new DateTimeOffset() },
{ 100.1m },
{ new Dictionary<string, int>() },
{ new Uri[] { new Uri("http://Foo"), new Uri("http://Bar") } },
{ DayOfWeek.Sunday },
};
}
}
[Theory]
[MemberData(nameof(ValidTypes))]
public void EnsureObjectCanBeSerialized_DoesNotThrow_OnValidType(object value)
{
// Arrange
var testProvider = new SessionStateTempDataProvider();
// Act & Assert (Does not throw)
testProvider.EnsureObjectCanBeSerialized(value);
}
[Fact]
public void SaveAndLoad_StringCanBeStoredAndLoaded()
{
// Arrange
var testProvider = new SessionStateTempDataProvider();
var input = new Dictionary<string, object>
{
{ "string", "value" }
};
var context = GetHttpContext();
// Act
testProvider.SaveTempData(context, input);
var TempData = testProvider.LoadTempData(context);
// Assert
var stringVal = Assert.IsType<string>(TempData["string"]);
Assert.Equal("value", stringVal);
}
[Theory]
[InlineData(10)]
[InlineData(int.MaxValue)]
[InlineData(int.MinValue)]
public void SaveAndLoad_IntCanBeStoredAndLoaded(int expected)
{
// Arrange
var testProvider = new SessionStateTempDataProvider();
var input = new Dictionary<string, object>
{
{ "int", expected }
};
var context = GetHttpContext();
// Act
testProvider.SaveTempData(context, input);
var TempData = testProvider.LoadTempData(context);
// Assert
var intVal = Assert.IsType<int>(TempData["int"]);
Assert.Equal(expected, intVal);
}
[Theory]
[InlineData(false)]
[InlineData(true)]
public void SaveAndLoad_BoolCanBeStoredAndLoaded(bool value)
{
// Arrange
var testProvider = new SessionStateTempDataProvider();
var input = new Dictionary<string, object>
{
{ "bool", value }
};
var context = GetHttpContext();
// Act
testProvider.SaveTempData(context, input);
var TempData = testProvider.LoadTempData(context);
// Assert
var boolVal = Assert.IsType<bool>(TempData["bool"]);
Assert.Equal(value, boolVal);
}
[Fact]
public void SaveAndLoad_DateTimeCanBeStoredAndLoaded()
{
// Arrange
var testProvider = new SessionStateTempDataProvider();
var inputDatetime = new DateTime(2010, 12, 12, 1, 2, 3, DateTimeKind.Local);
var input = new Dictionary<string, object>
{
{ "DateTime", inputDatetime }
};
var context = GetHttpContext();
// Act
testProvider.SaveTempData(context, input);
var TempData = testProvider.LoadTempData(context);
// Assert
var datetime = Assert.IsType<DateTime>(TempData["DateTime"]);
Assert.Equal(inputDatetime, datetime);
}
[Fact]
public void SaveAndLoad_GuidCanBeStoredAndLoaded()
{
// Arrange
var testProvider = new SessionStateTempDataProvider();
var inputGuid = Guid.NewGuid();
var input = new Dictionary<string, object>
{
{ "Guid", inputGuid }
};
var context = GetHttpContext();
// Act
testProvider.SaveTempData(context, input);
var TempData = testProvider.LoadTempData(context);
// Assert
var guidVal = Assert.IsType<Guid>(TempData["Guid"]);
Assert.Equal(inputGuid, guidVal);
}
[Fact]
public void SaveAndLoad_EnumCanBeSavedAndLoaded()
{
// Arrange
var key = "EnumValue";
var testProvider = new SessionStateTempDataProvider();
var expected = DayOfWeek.Friday;
var input = new Dictionary<string, object>
{
{ key, expected }
};
var context = GetHttpContext();
// Act
testProvider.SaveTempData(context, input);
var TempData = testProvider.LoadTempData(context);
var result = TempData[key];
// Assert
var actual = (DayOfWeek)result;
Assert.Equal(expected, actual);
}
[Theory]
[InlineData(3100000000L)]
[InlineData(-3100000000L)]
public void SaveAndLoad_LongCanBeSavedAndLoaded(long expected)
{
// Arrange
var key = "LongValue";
var testProvider = new SessionStateTempDataProvider();
var input = new Dictionary<string, object>
{
{ key, expected }
};
var context = GetHttpContext();
// Act
testProvider.SaveTempData(context, input);
var TempData = testProvider.LoadTempData(context);
var result = TempData[key];
// Assert
var actual = Assert.IsType<long>(result);
Assert.Equal(expected, actual);
}
[Fact]
public void SaveAndLoad_ListCanBeStoredAndLoaded()
{
// Arrange
var testProvider = new SessionStateTempDataProvider();
var input = new Dictionary<string, object>
{
{ "List`string", new List<string> { "one", "two" } }
};
var context = GetHttpContext();
// Act
testProvider.SaveTempData(context, input);
var TempData = testProvider.LoadTempData(context);
// Assert
var list = (IList<string>)TempData["List`string"];
Assert.Equal(2, list.Count);
Assert.Equal("one", list[0]);
Assert.Equal("two", list[1]);
}
[Fact]
public void SaveAndLoad_DictionaryCanBeStoredAndLoaded()
{
// Arrange
var testProvider = new SessionStateTempDataProvider();
var inputDictionary = new Dictionary<string, string>
{
{ "Hello", "World" },
};
var input = new Dictionary<string, object>
{
{ "Dictionary", inputDictionary }
};
var context = GetHttpContext();
// Act
testProvider.SaveTempData(context, input);
var TempData = testProvider.LoadTempData(context);
// Assert
var dictionary = Assert.IsType<Dictionary<string, string>>(TempData["Dictionary"]);
Assert.Equal("World", dictionary["Hello"]);
}
[Fact]
public void SaveAndLoad_EmptyDictionary_RoundTripsAsNull()
{
// Arrange
var testProvider = new SessionStateTempDataProvider();
var input = new Dictionary<string, object>
{
{ "EmptyDictionary", new Dictionary<string, int>() }
};
var context = GetHttpContext();
// Act
testProvider.SaveTempData(context, input);
var TempData = testProvider.LoadTempData(context);
// Assert
var emptyDictionary = (IDictionary<string, int>)TempData["EmptyDictionary"];
Assert.Null(emptyDictionary);
}
[Fact]
public void SaveAndLoad_NullValue_RoundTripsSuccessfully()
{
// Arrange
var testProvider = new SessionStateTempDataProvider();
var input = new Dictionary<string, object>
{
{ "NullKey", null }
};
var context = GetHttpContext();
// Act
testProvider.SaveTempData(context, input);
var TempData = testProvider.LoadTempData(context);
// Assert
Assert.True(TempData.ContainsKey("NullKey"));
Assert.Null(TempData["NullKey"]);
}
private class TestItem
{
public int DummyInt { get; set; }
}
private HttpContext GetHttpContext(bool sessionEnabled = true)
{
var httpContext = new DefaultHttpContext();
if (sessionEnabled)
{
httpContext.Features.Set<ISessionFeature>(new SessionFeature() { Session = new TestSession() });
}
return httpContext;
}
private class SessionFeature : ISessionFeature
{
public ISession Session { get; set; }
}
private class TestSession : ISession
{
private Dictionary<string, byte[]> _innerDictionary = new Dictionary<string, byte[]>();
public IEnumerable<string> Keys { get { return _innerDictionary.Keys; } }
public string Id => "TestId";
public bool IsAvailable { get; } = true;
public Task LoadAsync()
{
return Task.FromResult(0);
}
public Task CommitAsync()
{
return Task.FromResult(0);
}
public void Clear()
{
_innerDictionary.Clear();
}
public void Remove(string key)
{
_innerDictionary.Remove(key);
}
public void Set(string key, byte[] value)
{
_innerDictionary[key] = value.ToArray();
}
public bool TryGetValue(string key, out byte[] value)
{
return _innerDictionary.TryGetValue(key, out value);
}
}
}
}