public void WalkTypeInfosInEmptyLibrary()
{
MockTypeLib typeLib = new MockTypeLib();
ComDependencyWalker walker = new ComDependencyWalker(new MarshalReleaseComObject(MockReleaseComObject));
walker.AnalyzeTypeLibrary(typeLib);
Assert.Equal(0, walker.GetDependencies().GetLength(0));
typeLib.AssertAllHandlesReleased();
}
private TYPELIBATTR[] RunDependencyWalker(MockTypeLib mainTypeLib, MockTypeLib dependencyTypeLib, bool dependencyShouldBePresent)
{
ComDependencyWalker walker = new ComDependencyWalker(new MarshalReleaseComObject(MockReleaseComObject));
walker.AnalyzeTypeLibrary(mainTypeLib);
TYPELIBATTR[] dependencies = walker.GetDependencies();
// types from the main type library should be in the dependency list
AssertDependenciesContainTypeLib(dependencies, mainTypeLib, true);
AssertDependenciesContainTypeLib(dependencies, dependencyTypeLib, dependencyShouldBePresent);
mainTypeLib.AssertAllHandlesReleased();
dependencyTypeLib.AssertAllHandlesReleased();
return dependencies;
}
private List<string> ScanAndResolveAllDependencies(ComDependencyWalker dependencyWalker, ComReferenceInfo reference)
{
dependencyWalker.ClearDependencyList();
base.Log.LogMessageFromResources(MessageImportance.Low, "ResolveComReference.ScanningDependencies", new object[] { reference.SourceItemSpec });
dependencyWalker.AnalyzeTypeLibrary(reference.typeLibPointer);
foreach (Exception exception in dependencyWalker.EncounteredProblems)
{
base.Log.LogWarningWithCodeFromResources("ResolveComReference.FailedToScanDependencies", new object[] { reference.SourceItemSpec, exception.Message });
}
dependencyWalker.EncounteredProblems.Clear();
HashSet<string> source = new HashSet<string>();
foreach (System.Runtime.InteropServices.ComTypes.TYPELIBATTR typelibattr in dependencyWalker.GetDependencies())
{
if (!ComReference.AreTypeLibAttrEqual(typelibattr, reference.attr))
{
ComReferenceInfo info;
if (this.IsExistingProjectReference(typelibattr, null, out info))
{
ITaskItem item;
dependencyWalker.ClearAnalyzedTypeCache();
if (this.ResolveReference(dependencyWalker, info, this.WrapperOutputDirectory, out item))
{
source.Add(item.ItemSpec);
foreach (string str in info.dependentWrapperPaths)
{
source.Add(str);
}
}
}
else
{
ComReferenceWrapperInfo info2;
base.Log.LogMessageFromResources(MessageImportance.Low, "ResolveComReference.ResolvingDependency", new object[] { typelibattr.guid, typelibattr.wMajorVerNum, typelibattr.wMinorVerNum });
((IComReferenceResolver) this).ResolveComClassicReference(typelibattr, this.WrapperOutputDirectory, null, null, out info2);
base.Log.LogMessageFromResources(MessageImportance.Low, "ResolveComReference.ResolvedDependentComReference", new object[] { typelibattr.guid, typelibattr.wMajorVerNum, typelibattr.wMinorVerNum, info2.path });
source.Add(info2.path);
}
}
}
return source.ToList<string>();
}
public void FullDependenciesWithIncrementalAnalysis()
{
MockTypeLib mainTypeLib1, mainTypeLib2, mainTypeLib3, dependencyTypeLib1, dependencyTypeLib2, dependencyTypeLib3;
CreateTwoTypeLibs(out mainTypeLib1, out dependencyTypeLib1);
CreateTwoTypeLibs(out mainTypeLib2, out dependencyTypeLib2);
CreateTwoTypeLibs(out mainTypeLib3, out dependencyTypeLib3);
mainTypeLib1.ContainedTypeInfos[0].DefinesVariable(dependencyTypeLib1.ContainedTypeInfos[0]);
mainTypeLib2.ContainedTypeInfos[0].DefinesVariable(dependencyTypeLib1.ContainedTypeInfos[0]);
mainTypeLib2.ContainedTypeInfos[0].DefinesVariable(dependencyTypeLib2.ContainedTypeInfos[0]);
mainTypeLib3.ContainedTypeInfos[0].DefinesVariable(dependencyTypeLib1.ContainedTypeInfos[0]);
mainTypeLib3.ContainedTypeInfos[0].DefinesVariable(dependencyTypeLib3.ContainedTypeInfos[0]);
ComDependencyWalker walker = new ComDependencyWalker(MockReleaseComObject);
walker.AnalyzeTypeLibrary(mainTypeLib1);
TYPELIBATTR[] dependencies = walker.GetDependencies();
ICollection<string> analyzedTypes = walker.GetAnalyzedTypeNames();
AssertDependenciesContainTypeLib(dependencies, dependencyTypeLib1, true);
AssertDependenciesContainTypeLib(dependencies, dependencyTypeLib2, false);
AssertDependenciesContainTypeLib(dependencies, dependencyTypeLib3, false);
Assert.Equal(2, analyzedTypes.Count);
walker.ClearDependencyList();
walker.AnalyzeTypeLibrary(mainTypeLib2);
dependencies = walker.GetDependencies();
analyzedTypes = walker.GetAnalyzedTypeNames();
AssertDependenciesContainTypeLib(dependencies, dependencyTypeLib1, true);
AssertDependenciesContainTypeLib(dependencies, dependencyTypeLib2, true);
AssertDependenciesContainTypeLib(dependencies, dependencyTypeLib3, false);
Assert.Equal(4, analyzedTypes.Count);
walker.ClearDependencyList();
walker.AnalyzeTypeLibrary(mainTypeLib3);
dependencies = walker.GetDependencies();
analyzedTypes = walker.GetAnalyzedTypeNames();
AssertDependenciesContainTypeLib(dependencies, dependencyTypeLib1, true);
AssertDependenciesContainTypeLib(dependencies, dependencyTypeLib2, false);
AssertDependenciesContainTypeLib(dependencies, dependencyTypeLib3, true);
Assert.Equal(6, analyzedTypes.Count);
}
private void RunDependencyWalkerFaultInjection(MockTypeLibrariesFailurePoints failurePoint, MockTypeLib mainTypeLib, MockTypeLib dependencyTypeLibGood1, MockTypeLib dependencyTypeLibBad1, MockTypeLib dependencyTypeLibGood2, MockTypeLib dependencyTypeLibBad2)
{
ComDependencyWalker walker = new ComDependencyWalker(new MarshalReleaseComObject(MockReleaseComObject));
walker.AnalyzeTypeLibrary(mainTypeLib);
// Did the current failure point get hit for this test? If not then no point in checking anything
// The previous test (FaultInjectionMainLib) ensures that all defined failure points actually
// cause some sort of trouble
if (walker.EncounteredProblems.Count > 0)
{
TYPELIBATTR[] dependencies = walker.GetDependencies();
AssertDependenciesContainTypeLib("Test failed for failure point " + failurePoint.ToString(),
dependencies, mainTypeLib, true);
AssertDependenciesContainTypeLib("Test failed for failure point " + failurePoint.ToString(),
dependencies, dependencyTypeLibGood1, true);
AssertDependenciesContainTypeLib("Test failed for failure point " + failurePoint.ToString(),
dependencies, dependencyTypeLibGood2, true);
AssertDependenciesContainTypeLib("Test failed for failure point " + failurePoint.ToString(),
dependencies, dependencyTypeLibBad1, false);
AssertDependenciesContainTypeLib("Test failed for failure point " + failurePoint.ToString(),
dependencies, dependencyTypeLibBad2, false);
}
mainTypeLib.AssertAllHandlesReleased();
dependencyTypeLibGood1.AssertAllHandlesReleased();
dependencyTypeLibGood2.AssertAllHandlesReleased();
dependencyTypeLibBad1.AssertAllHandlesReleased();
dependencyTypeLibBad2.AssertAllHandlesReleased();
}
public void FaultInjectionMainLib()
{
// The primary test here is that we don't throw, which can't be explicitly expressed in NUnit...
// other asserts are secondary
foreach (MockTypeLibrariesFailurePoints failurePoint in Enum.GetValues(typeof(MockTypeLibrariesFailurePoints)))
{
MockTypeLib mainTypeLib = new MockTypeLib();
mainTypeLib.AddTypeInfo(new MockTypeInfo());
// Make it the StdOle lib to exercise the ITypeInfo.GetDocumentation failure point
MockTypeLib dependencyTypeLib = new MockTypeLib(NativeMethods.IID_StdOle);
dependencyTypeLib.AddTypeInfo(new MockTypeInfo());
COMException failureException = new COMException("unhandled exception in " + failurePoint.ToString());
mainTypeLib.InjectFailure(failurePoint, failureException);
dependencyTypeLib.InjectFailure(failurePoint, failureException);
mainTypeLib.ContainedTypeInfos[0].ImplementsInterface(dependencyTypeLib.ContainedTypeInfos[0]);
mainTypeLib.ContainedTypeInfos[0].DefinesVariable(dependencyTypeLib.ContainedTypeInfos[0]);
mainTypeLib.ContainedTypeInfos[0].DefinesFunction(
new MockTypeInfo[] { dependencyTypeLib.ContainedTypeInfos[0] }, dependencyTypeLib.ContainedTypeInfos[0]);
ComDependencyWalker walker = new ComDependencyWalker(new MarshalReleaseComObject(MockReleaseComObject));
walker.AnalyzeTypeLibrary(mainTypeLib);
Assert.Equal(1, walker.EncounteredProblems.Count); // "Test failed for failure point " + failurePoint.ToString()
Assert.Equal(failureException, walker.EncounteredProblems[0]); // "Test failed for failure point " + failurePoint.ToString()
mainTypeLib.AssertAllHandlesReleased();
dependencyTypeLib.AssertAllHandlesReleased();
}
}
/// <summary>
/// Scan all the dependencies of the main project references and preresolve them
/// so that when we get asked about a previously unknown dependency in the form of a .NET assembly
/// we know what to do with it.
/// </summary>
private List<string> ScanAndResolveAllDependencies(ComDependencyWalker dependencyWalker, ComReferenceInfo reference)
{
dependencyWalker.ClearDependencyList();
if (!Silent)
{
Log.LogMessageFromResources(MessageImportance.Low, "ResolveComReference.ScanningDependencies", reference.SourceItemSpec);
}
dependencyWalker.AnalyzeTypeLibrary(reference.typeLibPointer);
if (!Silent)
{
foreach (Exception ex in dependencyWalker.EncounteredProblems)
{
// A failure to resolve a reference due to something possibly being missing from disk is not
// an error; the user may not be actually consuming types from it
Log.LogWarningWithCodeFromResources("ResolveComReference.FailedToScanDependencies",
reference.SourceItemSpec, ex.Message);
}
}
dependencyWalker.EncounteredProblems.Clear();
HashSet<string> dependentPaths = new HashSet<string>();
TYPELIBATTR[] dependentAttrs = dependencyWalker.GetDependencies();
foreach (TYPELIBATTR dependencyTypeLibAttr in dependentAttrs)
{
// We don't need to even try to resolve if the dependency reference is ourselves.
if (!ComReference.AreTypeLibAttrEqual(dependencyTypeLibAttr, reference.attr))
{
ComReferenceInfo existingReference;
if (IsExistingProjectReference(dependencyTypeLibAttr, null, out existingReference))
{
ITaskItem resolvedItem;
// If we're resolving another project reference, empty out the type cache -- if the dependencies are buried,
// caching the analyzed types can make it so that we don't recognize our dependencies' dependencies.
dependencyWalker.ClearAnalyzedTypeCache();
if (ResolveReference(dependencyWalker, existingReference, WrapperOutputDirectory, out resolvedItem))
{
// Add the resolved dependency
dependentPaths.Add(resolvedItem.ItemSpec);
// and anything it depends on
foreach (string dependentPath in existingReference.dependentWrapperPaths)
{
dependentPaths.Add(dependentPath);
}
}
}
else
{
if (!Silent)
{
Log.LogMessageFromResources(MessageImportance.Low, "ResolveComReference.ResolvingDependency",
dependencyTypeLibAttr.guid, dependencyTypeLibAttr.wMajorVerNum, dependencyTypeLibAttr.wMinorVerNum);
}
ComReferenceWrapperInfo wrapperInfo;
((IComReferenceResolver)this).ResolveComClassicReference(dependencyTypeLibAttr, WrapperOutputDirectory,
null /* unknown wrapper type */, null /* unknown name */, out wrapperInfo);
if (!Silent)
{
Log.LogMessageFromResources(MessageImportance.Low, "ResolveComReference.ResolvedDependentComReference",
dependencyTypeLibAttr.guid, dependencyTypeLibAttr.wMajorVerNum, dependencyTypeLibAttr.wMinorVerNum,
wrapperInfo.path);
}
dependentPaths.Add(wrapperInfo.path);
}
}
}
return dependentPaths.ToList<string>();
}