public async Task When_Two_Roots()
{
using (var workspace = WorkspaceUtils.GetSubjectSolution())
{
var project = workspace.CurrentSolution.Projects.Single(p => p.Name == "SubjectSolution");
var graph = await NodeGraph.BuildGraph(CompilationCache.CacheWithSolution(workspace.CurrentSolution), ct : default);
var someClassNode = graph.Nodes[TypeNodeKey.GetFromFullName("SubjectSolution.SomeClass")];
var someCircularClassNode = graph.Nodes[TypeNodeKey.GetFromFullName("SubjectSolution.SomeCircularClass")];
var roots = new HashSet <Node>();
roots.Add(someClassNode);
roots.Add(someCircularClassNode);
var paths = NodeGraphExtensions.GetMultiDependencyRootPaths(graph, roots).ToArray();
var path = paths.Single();
Assert.AreEqual(someClassNode, path.Source);
Assert.AreEqual(someCircularClassNode, path.Target);
Assert.AreEqual(2, path.Intermediates.Count);
Assert.AreEqual("SomeOtherClass", (path.Intermediates[0] as TypeNode).Identifier.Name);
Assert.AreEqual("SomeDeeperClass", (path.Intermediates[1] as TypeNode).Identifier.Name);
}
}
public async Task When_MultiDependency_Edge()
{
using (var workspace = WorkspaceUtils.GetSubjectSolution())
{
var project = workspace.CurrentSolution.Projects.Single(p => p.Name == "SubjectSolution");
var graph = await NodeGraph.BuildGraph(CompilationCache.CacheWithSolution(workspace.CurrentSolution), ct : default);
var someClassNode = graph.Nodes[TypeNodeKey.GetFromFullName("SubjectSolution.SomeClass")];
var deepClassNode = graph.Nodes[TypeNodeKey.GetFromFullName("SubjectSolution.SomeClassDepth5")];
var roots = new HashSet <Node>();
roots.Add(someClassNode);
roots.Add(deepClassNode);
var paths = NodeGraphExtensions.GetMultiDependencyRootPaths(graph, roots).ToArray();
var path = paths.Single();
var displayGraph = graph.GetDisplaySubgraph(subgraphNodes: roots, pinnedNodes: SetUtils.GetEmpty <NodeKey>());
var multiEdges = displayGraph.Edges.OfType <MultiDependencyDisplayEdge>();
AssertEx.ContainsSingle(multiEdges, m => m.Source.DisplayString.EndsWith("SomeClass") && m.Target.DisplayString.EndsWith("SomeClassDepth5"));
}
}
