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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Collections.Generic;
using System.Web.WebPages.Scope;
using Moq;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.WebPages.Test
{
public class AspNetRequestStorageProvider
{
[Fact]
public void AspNetStorageProviderReturnsApplicationStateBeforeAppStart()
{
// Arrange
var provider = GetProvider(() => false);
// Act and Assert
Assert.NotNull(provider.ApplicationScope);
Assert.NotNull(provider.GlobalScope);
Assert.Equal(provider.ApplicationScope, provider.GlobalScope);
}
[Fact]
public void AspNetStorageProviderThrowsWhenAccessingRequestScopeBeforeAppStart()
{
// Arrange
var provider = GetProvider(() => false);
// Act and Assert
Assert.Throws<InvalidOperationException>(
() => { var x = provider.RequestScope; },
"RequestScope cannot be created when _AppStart is executing.");
}
[Fact]
public void AspNetStorageProviderThrowsWhenAssigningScopeBeforeAppStart()
{
// Arrange
var provider = GetProvider(() => false);
// Act and Assert
Assert.Throws<InvalidOperationException>(
() => { provider.CurrentScope = new ScopeStorageDictionary(); },
"Storage scopes cannot be created when _AppStart is executing.");
}
[Fact]
public void AspNetStorageProviderReturnsRequestScopeAfterAppStart()
{
// Arrange
var provider = GetProvider();
// Act and Assert
Assert.NotNull(provider.RequestScope);
Assert.Equal(provider.RequestScope, provider.CurrentScope);
}
[Fact]
public void AspNetStorageRetrievesRequestScopeAfterSettingAnonymousScopes()
{
// Arrange
var provider = GetProvider();
// Act
var requestScope = provider.RequestScope;
var Scope = new ScopeStorageDictionary();
provider.CurrentScope = Scope;
Assert.Equal(provider.CurrentScope, Scope);
Assert.Equal(provider.RequestScope, requestScope);
}
[Fact]
public void AspNetStorageUsesApplicationScopeAsGlobalScope()
{
// Arrange
var provider = GetProvider();
// Act and Assert
Assert.Equal(provider.GlobalScope, provider.ApplicationScope);
}
private AspNetRequestScopeStorageProvider GetProvider(Func<bool> appStartExecuted = null)
{
Mock<HttpContextBase> context = new Mock<HttpContextBase>();
context.Setup(c => c.Items).Returns(new Dictionary<object, object>());
appStartExecuted = appStartExecuted ?? (() => true);
return new AspNetRequestScopeStorageProvider(context.Object, appStartExecuted);
}
}
}
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