public void Add_should_obey_filtering()
{
var digraph = EmptyGraph();
var graph = new AssemblyDependencyGraph(digraph, new AssemblyLoaderStub(), x => false);
var assembly = new AssemblyStub("MyAssembly");
graph.Add(assembly);
digraph.Nodes.ShouldBeEmpty();
}
public void Should_handle_circular_dependencies()
{
var digraph = EmptyGraph();
var loader = new AssemblyLoaderStub();
var graph = new AssemblyDependencyGraph(digraph, loader);
var system = new AssemblyStub("System");
var systemXml = new AssemblyStub("System.Xml");
system.GetReferencedAssembliesHandler = () => new[] { systemXml.Name };
systemXml.GetReferencedAssembliesHandler = () => new[] { system.Name };
loader.Add(system);
loader.Add(systemXml);
graph.Add(system);
Assert.That(digraph.Edges.Map(x => x.ToString()).ToList(), Is.EquivalentTo(new[] { "0->1", "1->0" }));
}
public void Should_follow_dependency_chain()
{
var digraph = EmptyGraph();
var loader = new AssemblyLoaderStub();
var graph = new AssemblyDependencyGraph(digraph, loader);
var root = new AssemblyStub("RootAssembly");
var systemXml = new AssemblyStub("System.Xml");
var system = new AssemblyName("System");
var loaded = new List<AssemblyName>();
loader.Loading += loaded.Add;
loader.Add(systemXml);
root.GetReferencedAssembliesHandler = () => new []{ systemXml.Name };
systemXml.GetReferencedAssembliesHandler = () => new []{ system };
graph.Add(root);
Assert.That(loaded.Map(x => x.Name).ToList(), Is.EquivalentTo(new[] { system.Name, systemXml.Name.Name }));
}
public void Should_support_filter_function()
{
var digraph = EmptyGraph();
var graph = new AssemblyDependencyGraph(digraph, new AssemblyLoaderStub(), x => x.Name != "System");
var assembly = GetAssemblyDependingOnSystem();
graph.Add(assembly);
Assert.That(digraph.Nodes.Map(x => x.Label).ToList(), Is.EquivalentTo(new[]{ assembly.Name.Name}));
}