public void Exists_SecondNodeExists_ReturnsTrue()
{
using (new ObjectFactoryContainerRegion())
{
//Arrange
ObjectFactory.Container.RegisterType<IResourceResolverStrategy, ResourceResolverStrategy>(new ContainerControlledLifetimeManager());
var firstNode = new DummyResourceResolverNode();
firstNode.CurrentExistsMock = (pathDefinition, virtualPath) => false;
var secondNode = new DummyResourceResolverNode();
secondNode.CurrentExistsMock = (pathDefinition, virtualPath) => true;
ObjectFactory.Resolve<IResourceResolverStrategy>()
.SetFirst(firstNode)
.SetNext(secondNode);
//Act
var resolver = new ResourceResolver();
var result = resolver.Exists(new PathDefinition(), "~/Test");
//Assert
Assert.IsTrue(result, "Resolver returned false for Exists while there is one node for which the resource exits.");
}
}
public void GetCacheDependency_ReturnsFirstNodesCacheDependency()
{
// Arrange
var strategy = new ResourceResolverStrategy();
var nodeCacheDependency = new CacheDependency(Directory.GetCurrentDirectory());
var node = new DummyResourceResolverNode();
strategy.SetFirst(node);
node.GetCurrentCacheDependencyMock = (pathDefinition, virtualPath, virtualPathDependencies, utcStart) => nodeCacheDependency;
// Act
var resultCacheDependency = strategy.GetCacheDependency(new PathDefinition(), "~/Test", null, DateTime.UtcNow);
// Assert
Assert.AreSame(nodeCacheDependency, resultCacheDependency, "GetCacheDependency did not return the instance that is provided by the node in the strategy.");
}
public void GetCacheDependency_NoCurrentDependencyCurrentExistsFalse_ReturnsNextCacheDependency()
{
// Arrange
var currentNode = new DummyResourceResolverNode();
currentNode.GetCurrentCacheDependencyMock = (pathDefinition, virtualPath, virtualPathDependencies, utcDate) => null;
currentNode.CurrentExistsMock = (pathDefinition, virtualPath) => false;
var nextCacheDependency = this.SetNextNode(currentNode);
// Act
var result = currentNode.GetCacheDependency(new PathDefinition(), "~/Test", null, DateTime.UtcNow);
// Assert
Assert.IsNotInstanceOfType(result, typeof(AggregateCacheDependency), "The result of GetCacheDependency methods should be instance of AggregateCacheDependency");
Assert.AreSame(nextCacheDependency, result, "The returned cache dependency is not that of the second node.");
}
public void GetCacheDependency_HasCurrentDependencyCurrentExistsFalse_AggregatesCurrentCacheDependencyWithNext()
{
// Arrange
var currentNode = new DummyResourceResolverNode();
var currentCacheDependency = new CacheDependency(Directory.GetCurrentDirectory());
currentNode.GetCurrentCacheDependencyMock = (pathDefinition, virtualPath, virtualPathDependencies, utcDate) => currentCacheDependency;
currentNode.CurrentExistsMock = (pathDefinition, virtualPath) => false;
var nextCacheDependency = this.SetNextNode(currentNode);
// Act
var result = currentNode.GetCacheDependency(new PathDefinition(), "~/Test", null, DateTime.UtcNow);
// Assert
Assert.IsInstanceOfType(result, typeof(AggregateCacheDependency), "Resulting cache dependency is not aggregated.");
var dependencies = this.GetAggregatedDependencies((AggregateCacheDependency)result);
Assert.AreEqual(2, dependencies.Count, "The dependencies count is not correct.");
Assert.IsTrue(dependencies.Contains(currentCacheDependency), "The resulting aggregated cache dependency does not contain the dependency of the first node.");
Assert.IsTrue(dependencies.Contains(nextCacheDependency), "The resulting aggregated cache dependency does not contain the dependency of the second node.");
}
public void Open_CurrentExistsFalse_ReturnsNextOpenResult()
{
// Arrange
var currentNode = new DummyResourceResolverNode();
var nextNode = new DummyResourceResolverNode();
currentNode.GetCurrentCacheDependencyMock = (pathDefinition, virtualPath, virtualPathDependencies, utcDate) => null;
var currentStream = new MemoryStream();
currentNode.CurrentOpenMock = (pathDefinition, virtualPath) => currentStream;
currentNode.CurrentExistsMock = (pathDefinition, virtualPath) => false;
var nextCacheDependency = new CacheDependency(Directory.GetCurrentDirectory());
var nextStream = new MemoryStream();
nextNode.CurrentOpenMock = (pathDefinition, virtualPath) => nextStream;
nextNode.CurrentExistsMock = (pathDefinition, virtualPath) => true;
currentNode.SetNext(nextNode);
// Act
var result = currentNode.Open(new PathDefinition(), "~/Test");
// Assert
Assert.AreSame(nextStream, result, "The returned stream is not that of the second node.");
}
/// <summary>
/// Sets the next node.
/// </summary>
/// <param name="currentNode">The current node.</param>
/// <returns></returns>
private CacheDependency SetNextNode(DummyResourceResolverNode currentNode)
{
var nextNode = new DummyResourceResolverNode();
var nextCacheDependency = new CacheDependency(Directory.GetCurrentDirectory());
nextNode.GetCurrentCacheDependencyMock = (pathDefinition, virtualPath, virtualPathDependencies, utcDate) => nextCacheDependency;
nextNode.CurrentExistsMock = (pathDefinition, virtualPath) => true;
currentNode.SetNext(nextNode);
return nextCacheDependency;
}
public void Open_TwoResolvers_ReturnsFirstResolverStream()
{
//Arrange
using (new ObjectFactoryContainerRegion())
{
using (var ms1 = new MemoryStream())
{
using (var ms2 = new MemoryStream())
{
ObjectFactory.Container.RegisterType<IResourceResolverStrategy, ResourceResolverStrategy>(new ContainerControlledLifetimeManager());
var firstNode = new DummyResourceResolverNode();
firstNode.CurrentExistsMock = (pathDefinition, virtualPath) => true;
firstNode.CurrentOpenMock = (pathDefinition, virtualPath) => ms1;
var secondNode = new DummyResourceResolverNode();
secondNode.CurrentExistsMock = (pathDefinition, virtualPath) => true;
secondNode.CurrentOpenMock = (pathDefinition, virtualPath) => ms2;
ObjectFactory.Resolve<IResourceResolverStrategy>()
.SetFirst(firstNode)
.SetNext(secondNode);
//Act
var resolver = new ResourceResolver();
var result = resolver.Open(new PathDefinition(), "~/Test");
//Assert
Assert.AreNotSame(ms2, result, "The stream for the second node was returned while the first one was expected.");
Assert.AreSame(ms1, result, "The stream for the first node was not returned.");
}
}
}
}