public void DotGraphTest()
{
using IServiceContainer container = new ServiceContainer();
container
.Service <IInterface_1, Implementation_1>(Lifetime.Transient)
.Service <IInterface_2, Implementation_2>(Lifetime.Singleton)
.Service <IInterface_3, Implementation_3>(Lifetime.Transient)
.Service <IInterface_4, Implementation_4>(Lifetime.Scoped);
using IInjector injector = container.CreateInjector();
string
dotGraph = injector.GetDependencyGraph <IInterface_4>(),
id1 = ContainsNode("<<u>Solti.Utils.DI.Injector.Graph.Tests.GraphTests.IInterface_4</u><br/><br/><i>Scoped</i>>"),
id2 = ContainsNode("<<u>Solti.Utils.DI.Interfaces.IInjector</u><br/><br/><i>Instance</i>>"),
id3 = ContainsNode("<<u>Solti.Utils.DI.Injector.Graph.Tests.GraphTests.IInterface_2</u><br/><br/><i>Singleton</i>>"),
id4 = ContainsNode("<<u>Solti.Utils.DI.Injector.Graph.Tests.GraphTests.IInterface_1</u><br/><br/><i>Transient</i>>"),
id5 = ContainsNode("<<u>System.Collections.Generic.IReadOnlyDictionary{string, object}:$options</u><br/><br/><i>Instance</i>>"),
id6 = ContainsNode("<<u>Solti.Utils.DI.Injector.Graph.Tests.GraphTests.IInterface_3</u><br/><br/><i>Transient</i>>");
ContainsEdge(id1, id2);
ContainsEdge(id1, id3);
ContainsEdge(id3, id4);
ContainsEdge(id4, id5);
ContainsEdge(id1, id6);
ContainsEdge(id6, id5);
ContainsEdge(id6, id4);
ContainsEdge(id6, id3);
string ContainsNode(string str)
{
str = Regex.Replace(str, "\\.|\\/|\\$", match => $"\\{match.Value}");
Match match = Regex.Match(dotGraph, $" (?<id>N_[0-9A-F]{{8}}) \\[shape=box,margin=\\.1,label={str}\\];", RegexOptions.Multiline);
Assert.That(match.Captures, Has.Count.EqualTo(1));
return(match.Groups["id"].Value);
}
void ContainsEdge(string id1, string id2)
{
Assert.That(Regex.Match(dotGraph, $"{id1} -> {id2}", RegexOptions.Multiline).Captures, Has.Count.EqualTo(1));
}
}
/// <summary> /// Gets the dependency graph in <a href="https://graphviz.org/">DOT graph</a> format. /// </summary> public static string GetDependencyGraph <TInterface>(this IInjector injector, string?serviceName = null) where TInterface : class => injector.GetDependencyGraph(typeof(TInterface), serviceName);
