// This method will be inlined by the JIT.
// Resets the validator to its initial state. This is important when a IInstanceProvider threw an
// exception, because a new call to that provider would otherwise make the validator think it is a
// recursive call and throw an exception, and this would hide the exception that would otherwise be
// thrown by the provider itself.
internal static void Reset(this CyclicDependencyValidator validator)
{
if (validator != null)
{
validator.RollBack();
}
}
// Prevents any recursive calls from taking place.
// This method will be inlined by the JIT.
internal static void CheckForRecursiveCalls(this CyclicDependencyValidator validator)
{
if (validator != null)
{
validator.Check();
}
}
public void CyclicValidatorTest_LinearDependencyChain_MultipleEdgeToComponent3_NoCycles()
{
//root -> comp1 -> comp2 -> comp 3
// |----------------|
IComponent rootComp = new Component(GetConfig("root", "1.0", "FileShare"));
IComponent sideComp1 = new Component(GetConfig("sideComp1", "1.0", "FileShare"));
IComponent sideComp2 = new Component(GetConfig("sideComp2", "1.0", "FileShare"));
IComponent sideComp3 = new Component(GetConfig("sideComp3", "1.0", "FileShare"));
IDependency depRootSideComp1 = new Dependency(rootComp, sideComp1, new ComponentVersion("1.*"));
IDependency depRootSideComp2 = new Dependency(sideComp1, sideComp2, new ComponentVersion("1.*"));
IDependency depRootSideComp3 = new Dependency(sideComp2, sideComp3, new ComponentVersion("1.*"));
IDependency depRootSideComp4 = new Dependency(sideComp1, sideComp3, new ComponentVersion("1.*"));
rootComp.AddSuccessor(depRootSideComp1);
sideComp1.AddSuccessor(depRootSideComp2);
sideComp1.AddSuccessor(depRootSideComp4);
sideComp2.AddSuccessor(depRootSideComp3);
var validator = new CyclicDependencyValidator();
IGraph graph = new Graph(rootComp, "C:\\");
var actual = validator.Validate(graph);
Assert.AreEqual(0, actual.Count());
}
public void CyclicValidatorTest_Validate_CyclicDependencyHavingMultiplePaths()
{
IComponent rootComp = new Component(GetConfig("root", "1.0", "FileShare"));
IComponent sideComp1 = new Component(GetConfig("sideComp1", "1.0", "FileShare"));
IComponent sideComp2 = new Component(GetConfig("sideComp2", "1.0", "FileShare"));
IComponent sideComp3 = new Component(GetConfig("sideComp3", "1.0", "FileShare"));
IDependency depRootSideComp1 = new Dependency(rootComp, sideComp1, new ComponentVersion("1.*"));
IDependency depRootSideComp2 = new Dependency(sideComp1, sideComp2, new ComponentVersion("1.*"));
IDependency depRootSideComp3 = new Dependency(sideComp1, sideComp3, new ComponentVersion("1.*"));
IDependency depRootSideComp4 = new Dependency(sideComp2, sideComp1, new ComponentVersion("1.*"));
IDependency depRootSideComp5 = new Dependency(sideComp3, sideComp1, new ComponentVersion("1.*"));
rootComp.AddSuccessor(depRootSideComp1);
sideComp1.AddSuccessor(depRootSideComp2);
sideComp1.AddSuccessor(depRootSideComp3);
sideComp2.AddSuccessor(depRootSideComp4);
sideComp3.AddSuccessor(depRootSideComp5);
var validator = new CyclicDependencyValidator();
IGraph graph = new Graph(rootComp, "C:\\");
var actual = validator.Validate(graph);
Assert.AreEqual(2, actual.Count(), "Expected exactly one cyclic dependency for sideComp1");
}
/// <summary>
/// Initializes static members of the <see cref="ValidatorFactory"/> class.
/// </summary>
static ValidatorFactory()
{
Validators = new Dictionary <string, IValidator>(StringComparer.OrdinalIgnoreCase);
var sidebyside = new SideBySideValidator();
Validators.Add(sidebyside.Name, sidebyside);
var cyclic = new CyclicDependencyValidator();
Validators.Add(cyclic.Name, cyclic);
}
public void CyclicValidatorTest_Validate_SelfDepedency_Cycle()
{
//sideComp1 -> sideComp1 ...
IComponent sideComp1 = new Component(GetConfig("sideComp1", "1.0", "FileShare"));
IDependency depRootSideComp1 = new Dependency(sideComp1, sideComp1, new ComponentVersion("1.*"));
sideComp1.AddSuccessor(depRootSideComp1);
var validator = new CyclicDependencyValidator();
IGraph graph = new Graph(sideComp1, "C:\\");
var actual = validator.Validate(graph);
Assert.AreEqual(1, actual.Count(), "Expected exactly one conflict for sideComp1");
}
