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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.Web.Routing;
using System.Web.TestUtil;
using System.Web.WebPages;
using Moq;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Mvc.Test
{
public class ControllerContextTest
{
[Fact]
public void ConstructorThrowsIfControllerIsNull()
{
// Arrange
RequestContext requestContext = new RequestContext(new Mock<HttpContextBase>().Object, new RouteData());
Controller controller = null;
// Act & assert
Assert.ThrowsArgumentNull(
delegate { new ControllerContext(requestContext, controller); }, "controller");
}
[Fact]
public void ConstructorThrowsIfRequestContextIsNull()
{
// Arrange
RequestContext requestContext = null;
Controller controller = new Mock<Controller>().Object;
// Act & assert
Assert.ThrowsArgumentNull(
delegate { new ControllerContext(requestContext, controller); }, "requestContext");
}
[Fact]
public void ConstructorWithHttpContextAndRouteData()
{
// Arrange
HttpContextBase httpContext = new Mock<HttpContextBase>().Object;
RouteData routeData = new RouteData();
Controller controller = new Mock<Controller>().Object;
// Act
ControllerContext controllerContext = new ControllerContext(httpContext, routeData, controller);
// Assert
Assert.Equal(httpContext, controllerContext.HttpContext);
Assert.Equal(routeData, controllerContext.RouteData);
Assert.Equal(controller, controllerContext.Controller);
}
[Fact]
public void ControllerProperty()
{
// Arrange
HttpContextBase httpContext = new Mock<HttpContextBase>().Object;
RouteData routeData = new RouteData();
Controller controller = new Mock<Controller>().Object;
// Act
ControllerContext controllerContext = new ControllerContext(httpContext, routeData, controller);
// Assert
Assert.Equal(controller, controllerContext.Controller);
}
[Fact]
public void CopyConstructorSetsProperties()
{
// Arrange
Mock<HttpContextBase> httpContext = new Mock<HttpContextBase>();
httpContext.Setup(c => c.Items).Returns(new Hashtable());
RequestContext requestContext = new RequestContext(httpContext.Object, new RouteData());
Controller controller = new Mock<Controller>().Object;
var displayMode = new DefaultDisplayMode("test");
ControllerContext innerControllerContext = new ControllerContext(requestContext, controller);
innerControllerContext.DisplayMode = displayMode;
// Act
ControllerContext outerControllerContext = new SubclassedControllerContext(innerControllerContext);
// Assert
Assert.Equal(requestContext, outerControllerContext.RequestContext);
Assert.Equal(controller, outerControllerContext.Controller);
// We don't actually set DisplayMode but verify it is identical to the inner controller context.
Assert.Equal(displayMode, outerControllerContext.DisplayMode);
}
[Fact]
public void DisplayModeDelegatesToHttpContext()
{
// Arrange
IDisplayMode testDisplayMode = new DefaultDisplayMode("test");
Mock<HttpContextBase> httpContext = new Mock<HttpContextBase>();
httpContext.Setup(c => c.Items).Returns(new Hashtable());
Controller controller = new Mock<Controller>().Object;
ControllerContext controllerContext = new ControllerContext(httpContext.Object, new RouteData(), controller);
ControllerContext controllerContextWithIdenticalContext = new ControllerContext(httpContext.Object, new RouteData(), controller);
// Act
controllerContext.DisplayMode = testDisplayMode;
// Assert
Assert.Same(testDisplayMode, controllerContext.DisplayMode);
Assert.Same(testDisplayMode, controllerContextWithIdenticalContext.DisplayMode);
}
[Fact]
public void CopyConstructorThrowsIfControllerContextIsNull()
{
// Act & assert
Assert.ThrowsArgumentNull(
delegate { new SubclassedControllerContext(null); }, "controllerContext");
}
[Fact]
public void HttpContextPropertyGetSetBehavior()
{
// Arrange
HttpContextBase httpContext = new Mock<HttpContextBase>().Object;
ControllerContext controllerContext = new ControllerContext();
// Act & assert
MemberHelper.TestPropertyValue(controllerContext, "HttpContext", httpContext);
}
[Fact]
public void HttpContextPropertyReturnsEmptyHttpContextIfRequestContextNotPresent()
{
// Arrange
ControllerContext controllerContext = new ControllerContext();
// Act
HttpContextBase httpContext = controllerContext.HttpContext;
HttpContextBase httpContext2 = controllerContext.HttpContext;
// Assert
Assert.NotNull(httpContext);
Assert.Equal(httpContext, httpContext2);
}
[Fact]
public void HttpContextPropertyReturnsRequestContextHttpContextIfPresent()
{
// Arrange
HttpContextBase httpContext = new Mock<HttpContextBase>().Object;
RouteData routeData = new RouteData();
RequestContext requestContext = new RequestContext(httpContext, routeData);
Controller controller = new Mock<Controller>().Object;
// Act
ControllerContext controllerContext = new ControllerContext(requestContext, controller);
// Assert
Assert.Equal(httpContext, controllerContext.HttpContext);
}
[Fact]
public void RequestContextPropertyCreatesDummyHttpContextAndRouteDataIfNecessary()
{
// Arrange
Mock<ControllerContext> mockControllerContext = new Mock<ControllerContext>();
mockControllerContext.Setup(c => c.HttpContext).Returns((HttpContextBase)null);
mockControllerContext.Setup(c => c.RouteData).Returns((RouteData)null);
ControllerContext controllerContext = mockControllerContext.Object;
// Act
RequestContext requestContext = controllerContext.RequestContext;
RequestContext requestContext2 = controllerContext.RequestContext;
// Assert
Assert.Equal(requestContext, requestContext2);
Assert.NotNull(requestContext.HttpContext);
Assert.NotNull(requestContext.RouteData);
}
[Fact]
public void RequestContextPropertyUsesExistingHttpContextAndRouteData()
{
// Arrange
HttpContextBase httpContext = new Mock<HttpContextBase>().Object;
RouteData routeData = new RouteData();
Mock<ControllerContext> mockControllerContext = new Mock<ControllerContext>();
mockControllerContext.Setup(c => c.HttpContext).Returns(httpContext);
mockControllerContext.Setup(c => c.RouteData).Returns(routeData);
ControllerContext controllerContext = mockControllerContext.Object;
// Act
RequestContext requestContext = controllerContext.RequestContext;
RequestContext requestContext2 = controllerContext.RequestContext;
// Assert
Assert.Equal(requestContext, requestContext2);
Assert.Equal(httpContext, requestContext.HttpContext);
Assert.Equal(routeData, requestContext.RouteData);
}
[Fact]
public void RouteDataPropertyGetSetBehavior()
{
// Arrange
RouteData routeData = new RouteData();
ControllerContext controllerContext = new ControllerContext();
// Act & assert
MemberHelper.TestPropertyValue(controllerContext, "RouteData", routeData);
}
[Fact]
public void RouteDataPropertyReturnsEmptyRouteDataIfRequestContextNotPresent()
{
// Arrange
ControllerContext controllerContext = new ControllerContext();
// Act
RouteData routeData = controllerContext.RouteData;
RouteData routeData2 = controllerContext.RouteData;
// Assert
Assert.Equal(routeData, routeData2);
Assert.Empty(routeData.Values);
}
[Fact]
public void RouteDataPropertyReturnsRequestContextRouteDataIfPresent()
{
// Arrange
HttpContextBase httpContext = new Mock<HttpContextBase>().Object;
RouteData routeData = new RouteData();
RequestContext requestContext = new RequestContext(httpContext, routeData);
Controller controller = new Mock<Controller>().Object;
// Act
ControllerContext controllerContext = new ControllerContext(requestContext, controller);
// Assert
Assert.Equal(routeData, controllerContext.RouteData);
}
[Fact]
public void IsChildActionReturnsFalseByDefault()
{
// Arrange
HttpContextBase httpContext = new Mock<HttpContextBase>().Object;
RouteData routeData = new RouteData();
RequestContext requestContext = new RequestContext(httpContext, routeData);
Controller controller = new Mock<Controller>().Object;
ControllerContext controllerContext = new ControllerContext(requestContext, controller);
// Act
bool result = controllerContext.IsChildAction;
// Assert
Assert.False(result);
}
[Fact]
public void IsChildActionReturnsTrueWhenRouteDataTokenIsSet()
{
// Arrange
HttpContextBase httpContext = new Mock<HttpContextBase>().Object;
ViewContext viewContext = new ViewContext();
RouteData routeData = new RouteData();
routeData.DataTokens[ControllerContext.ParentActionViewContextToken] = viewContext;
RequestContext requestContext = new RequestContext(httpContext, routeData);
Controller controller = new Mock<Controller>().Object;
ControllerContext controllerContext = new ControllerContext(requestContext, controller);
// Act
bool result = controllerContext.IsChildAction;
// Assert
Assert.True(result);
Assert.Same(viewContext, controllerContext.ParentActionViewContext);
}
public static ControllerContext CreateEmptyContext()
{
return new ControllerContext(new Mock<HttpContextBase>().Object, new RouteData(), new Mock<Controller>().Object);
}
private class SubclassedControllerContext : ControllerContext
{
public SubclassedControllerContext(ControllerContext controllerContext)
: base(controllerContext)
{
}
}
}
}
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