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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using Moq;
using Xunit;
namespace System.Web.Mvc.Test
{
public class BuildManagerViewEngineTest
{
[Fact]
public void BuildManagerProperty()
{
// Arrange
var engine = new TestableBuildManagerViewEngine();
var buildManagerMock = new MockBuildManager(expectedVirtualPath: null, compiledType: null);
// Act
engine.BuildManager = buildManagerMock;
// Assert
Assert.Same(engine.BuildManager, buildManagerMock);
}
[Fact]
public void FileExistsReturnsTrueForExistingPath()
{
// Arrange
var engine = new TestableBuildManagerViewEngine();
var buildManagerMock = new MockBuildManager("some path", typeof(object));
engine.BuildManager = buildManagerMock;
// Act
bool result = engine.FileExists("some path");
// Assert
Assert.True(result);
}
[Fact]
public void FileExistsReturnsFalseWhenBuildManagerFileExistsReturnsFalse()
{
// Arrange
var engine = new TestableBuildManagerViewEngine();
var buildManagerMock = new MockBuildManager("some path", false);
engine.BuildManager = buildManagerMock;
// Act
bool result = engine.FileExists("some path");
// Assert
Assert.False(result);
}
[Fact]
public void ViewPageActivatorConsultsSetActivatorResolver()
{
// Arrange
Mock<IViewPageActivator> activator = new Mock<IViewPageActivator>();
// Act
TestableBuildManagerViewEngine engine = new TestableBuildManagerViewEngine(activator.Object);
//Assert
Assert.Equal(activator.Object, engine.ViewPageActivator);
}
[Fact]
public void ViewPageActivatorDelegatesToActivatorResolver()
{
// Arrange
var activator = new Mock<IViewPageActivator>();
var activatorResolver = new Resolver<IViewPageActivator> { Current = activator.Object };
// Act
TestableBuildManagerViewEngine engine = new TestableBuildManagerViewEngine(activatorResolver: activatorResolver);
// Assert
Assert.Equal(activator.Object, engine.ViewPageActivator);
}
[Fact]
public void ViewPageActivatorDelegatesToDependencyResolverWhenActivatorResolverIsNull()
{
// Arrange
var viewInstance = new object();
var controllerContext = new ControllerContext();
var buildManager = new MockBuildManager("view path", typeof(object));
var dependencyResolver = new Mock<IDependencyResolver>(MockBehavior.Strict);
dependencyResolver.Setup(dr => dr.GetService(typeof(object))).Returns(viewInstance).Verifiable();
// Act
TestableBuildManagerViewEngine engine = new TestableBuildManagerViewEngine(dependencyResolver: dependencyResolver.Object);
engine.ViewPageActivator.Create(controllerContext, typeof(object));
// Assert
dependencyResolver.Verify();
}
[Fact]
public void ViewPageActivatorDelegatesToActivatorCreateInstanceWhenDependencyResolverReturnsNull()
{
// Arrange
var controllerContext = new ControllerContext();
var buildManager = new MockBuildManager("view path", typeof(NoParameterlessCtor));
var dependencyResolver = new Mock<IDependencyResolver>();
var engine = new TestableBuildManagerViewEngine(dependencyResolver: dependencyResolver.Object);
// Act
MissingMethodException ex = Assert.Throws<MissingMethodException>( // Depend on the fact that Activator.CreateInstance cannot create an object without a parameterless ctor
() => engine.ViewPageActivator.Create(controllerContext, typeof(NoParameterlessCtor))
);
// Assert
Assert.Contains("System.Activator.CreateInstance(", ex.StackTrace);
}
[Fact]
public void ActivatorResolverAndDependencyResolverAreNeverCalledWhenViewPageActivatorIsPassedInContstructor()
{
// Arrange
var controllerContext = new ControllerContext();
var expectedController = new Goodcontroller();
Mock<IViewPageActivator> activator = new Mock<IViewPageActivator>();
var resolverActivator = new Mock<IViewPageActivator>(MockBehavior.Strict);
var activatorResolver = new Resolver<IViewPageActivator> { Current = resolverActivator.Object };
var dependencyResolver = new Mock<IDependencyResolver>(MockBehavior.Strict);
//Act
var engine = new TestableBuildManagerViewEngine(activator.Object, activatorResolver, dependencyResolver.Object);
//Assert
Assert.Same(activator.Object, engine.ViewPageActivator);
}
private class NoParameterlessCtor
{
public NoParameterlessCtor(int x)
{
}
}
private class TestableBuildManagerViewEngine : BuildManagerViewEngine
{
public TestableBuildManagerViewEngine()
: base()
{
}
public TestableBuildManagerViewEngine(IViewPageActivator viewPageActivator)
: base(viewPageActivator)
{
}
public TestableBuildManagerViewEngine(IViewPageActivator viewPageActivator = null, IResolver<IViewPageActivator> activatorResolver = null, IDependencyResolver dependencyResolver = null)
: base(viewPageActivator, activatorResolver, dependencyResolver)
{
}
public new IViewPageActivator ViewPageActivator
{
get { return base.ViewPageActivator; }
}
protected override IView CreatePartialView(ControllerContext controllerContext, string partialPath)
{
throw new NotImplementedException();
}
protected override IView CreateView(ControllerContext controllerContext, string viewPath, string masterPath)
{
throw new NotImplementedException();
}
public bool FileExists(string virtualPath)
{
return base.FileExists(null, virtualPath);
}
}
}
}
|
