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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Reflection;
using Moq;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Mvc.Async.Test
{
public class ReflectedAsyncControllerDescriptorTest
{
[Fact]
public void ConstructorSetsControllerTypeProperty()
{
// Arrange
Type controllerType = typeof(string);
// Act
ReflectedAsyncControllerDescriptor cd = new ReflectedAsyncControllerDescriptor(controllerType);
// Assert
Assert.Same(controllerType, cd.ControllerType);
}
[Fact]
public void ConstructorThrowsIfControllerTypeIsNull()
{
// Act & assert
Assert.ThrowsArgumentNull(
delegate { new ReflectedAsyncControllerDescriptor(null); }, "controllerType");
}
[Fact]
public void FindActionReturnsActionDescriptorIfFound()
{
// Arrange
Type controllerType = typeof(MyController);
MethodInfo asyncMethodInfo = controllerType.GetMethod("FooAsync");
MethodInfo completedMethodInfo = controllerType.GetMethod("FooCompleted");
ReflectedAsyncControllerDescriptor cd = new ReflectedAsyncControllerDescriptor(controllerType);
// Act
ActionDescriptor ad = cd.FindAction(new Mock<ControllerContext>().Object, "NewName");
// Assert
Assert.Equal("NewName", ad.ActionName);
var castAd = Assert.IsType<ReflectedAsyncActionDescriptor>(ad);
Assert.Same(asyncMethodInfo, castAd.AsyncMethodInfo);
Assert.Same(completedMethodInfo, castAd.CompletedMethodInfo);
Assert.Same(cd, ad.ControllerDescriptor);
}
[Fact]
public void FindActionReturnsNullIfNoActionFound()
{
// Arrange
Type controllerType = typeof(MyController);
ReflectedAsyncControllerDescriptor cd = new ReflectedAsyncControllerDescriptor(controllerType);
// Act
ActionDescriptor ad = cd.FindAction(new Mock<ControllerContext>().Object, "NonExistent");
// Assert
Assert.Null(ad);
}
[Fact]
public void FindActionThrowsIfActionNameIsEmpty()
{
// Arrange
Type controllerType = typeof(MyController);
ReflectedAsyncControllerDescriptor cd = new ReflectedAsyncControllerDescriptor(controllerType);
// Act & assert
Assert.ThrowsArgumentNullOrEmpty(
delegate { cd.FindAction(new Mock<ControllerContext>().Object, ""); }, "actionName");
}
[Fact]
public void FindActionThrowsIfActionNameIsNull()
{
// Arrange
Type controllerType = typeof(MyController);
ReflectedAsyncControllerDescriptor cd = new ReflectedAsyncControllerDescriptor(controllerType);
// Act & assert
Assert.ThrowsArgumentNullOrEmpty(
delegate { cd.FindAction(new Mock<ControllerContext>().Object, null); }, "actionName");
}
[Fact]
public void FindActionThrowsIfControllerContextIsNull()
{
// Arrange
Type controllerType = typeof(MyController);
ReflectedAsyncControllerDescriptor cd = new ReflectedAsyncControllerDescriptor(controllerType);
// Act & assert
Assert.ThrowsArgumentNull(
delegate { cd.FindAction(null, "someName"); }, "controllerContext");
}
[Fact]
public void GetCanonicalActionsReturnsEmptyArray()
{
// this method does nothing by default
// Arrange
Type controllerType = typeof(MyController);
ReflectedAsyncControllerDescriptor cd = new ReflectedAsyncControllerDescriptor(controllerType);
// Act
ActionDescriptor[] canonicalActions = cd.GetCanonicalActions();
// Assert
Assert.Empty(canonicalActions);
}
[Fact]
public void GetCustomAttributesCallsTypeGetCustomAttributes()
{
// Arrange
object[] expected = new object[0];
Mock<Type> mockType = new Mock<Type>();
mockType.Setup(t => t.GetCustomAttributes(true)).Returns(expected);
ReflectedAsyncControllerDescriptor cd = new ReflectedAsyncControllerDescriptor(mockType.Object);
// Act
object[] returned = cd.GetCustomAttributes(true);
// Assert
Assert.Same(expected, returned);
}
[Fact]
public void GetCustomAttributesWithAttributeTypeCallsTypeGetCustomAttributes()
{
// Arrange
object[] expected = new object[0];
Mock<Type> mockType = new Mock<Type>();
mockType.Setup(t => t.GetCustomAttributes(typeof(ObsoleteAttribute), true)).Returns(expected);
ReflectedAsyncControllerDescriptor cd = new ReflectedAsyncControllerDescriptor(mockType.Object);
// Act
object[] returned = cd.GetCustomAttributes(typeof(ObsoleteAttribute), true);
// Assert
Assert.Same(expected, returned);
}
[Fact]
public void IsDefinedCallsTypeIsDefined()
{
// Arrange
Mock<Type> mockType = new Mock<Type>();
mockType.Setup(t => t.IsDefined(typeof(ObsoleteAttribute), true)).Returns(true);
ReflectedAsyncControllerDescriptor cd = new ReflectedAsyncControllerDescriptor(mockType.Object);
// Act
bool isDefined = cd.IsDefined(typeof(ObsoleteAttribute), true);
// Assert
Assert.True(isDefined);
}
private class MyController : AsyncController
{
[ActionName("NewName")]
public void FooAsync()
{
}
public void FooCompleted()
{
}
}
}
}
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