/// <summary>
/// Creates a high performance cross-AppDomain message sink that utilizes <see cref="IMessageSinkWithTypes"/>
/// which can be passed to <see cref="ITestFrameworkDiscoverer"/> and <see cref="ITestFrameworkExecutor"/>.
/// </summary>
/// <param name="sink">The local message sink to receive the messages.</param>
/// <param name="serializeDiscoveredTestCases">A flag which indicates whether test case serialization is required</param>
protected IMessageSink CreateOptimizedRemoteMessageSink(
_IMessageSink sink,
bool serializeDiscoveredTestCases = true)
{
Guard.ArgumentNotNull(sink);
var v2MessageSink = new Xunit2MessageSink(sink, TestAssemblyUniqueID, serializeDiscoveredTestCases ? remoteDiscoverer : null);
try
{
var asssemblyName = typeof(OptimizedRemoteMessageSink).Assembly.GetName();
var optimizedSink = AppDomain.CreateObject <IMessageSink>(asssemblyName, typeof(OptimizedRemoteMessageSink).FullName !, v2MessageSink);
if (optimizedSink != null)
{
return(optimizedSink);
}
}
catch { } // This really shouldn't happen, but falling back makes sense in catastrophic cases
return(v2MessageSink);
}
Xunit2(
_IMessageSink diagnosticMessageSink,
AppDomainSupport appDomainSupport,
_ISourceInformationProvider sourceInformationProvider,
_IAssemblyInfo?assemblyInfo,
string?assemblyFileName,
string xunitExecutionAssemblyPath,
string?configFileName,
bool shadowCopy,
string?shadowCopyFolder,
bool verifyAssembliesOnDisk)
{
#if NETFRAMEWORK
// Only safe to assume the execution reference is copied in a desktop project
if (verifyAssembliesOnDisk)
{
Guard.FileExists(xunitExecutionAssemblyPath);
}
CanUseAppDomains = !IsDotNet(xunitExecutionAssemblyPath);
#else
CanUseAppDomains = false;
#endif
DiagnosticMessageSink = diagnosticMessageSink;
var appDomainAssembly = assemblyFileName ?? xunitExecutionAssemblyPath;
AppDomain = AppDomainManagerFactory.Create(appDomainSupport != AppDomainSupport.Denied && CanUseAppDomains, appDomainAssembly, configFileName, shadowCopy, shadowCopyFolder, diagnosticMessageSink);
DisposalTracker.Add(AppDomain);
#if NETFRAMEWORK
var runnerUtilityAssemblyLocation = Path.GetDirectoryName(typeof(AssemblyHelper).Assembly.GetLocalCodeBase());
assemblyHelper = AppDomain.CreateObjectFrom <AssemblyHelper>(typeof(AssemblyHelper).Assembly.Location, typeof(AssemblyHelper).FullName !, runnerUtilityAssemblyLocation);
DisposalTracker.Add(assemblyHelper);
#endif
TestFrameworkAssemblyName = GetTestFrameworkAssemblyName(xunitExecutionAssemblyPath);
// We need both a v2 and v3 assembly info, so manufacture the things we're missing
IAssemblyInfo remoteAssemblyInfo;
if (assemblyInfo != null)
{
remoteAssemblyInfo = new Xunit2AssemblyInfo(assemblyInfo);
}
else
{
remoteAssemblyInfo = Guard.NotNull(
"Could not create Xunit.Sdk.TestFrameworkProxy for v2 unit test",
AppDomain.CreateObject <IAssemblyInfo>(TestFrameworkAssemblyName, "Xunit.Sdk.ReflectionAssemblyInfo", assemblyFileName)
);
assemblyInfo = new Xunit3AssemblyInfo(remoteAssemblyInfo);
}
this.assemblyInfo = assemblyInfo;
this.configFileName = configFileName;
TestAssemblyUniqueID = UniqueIDGenerator.ForAssembly(this.assemblyInfo.Name, this.assemblyInfo.AssemblyPath, configFileName);
var v2SourceInformationProvider = Xunit2SourceInformationProviderAdapter.Adapt(sourceInformationProvider);
var v2DiagnosticMessageSink = new Xunit2MessageSink(DiagnosticMessageSink);
remoteFramework = Guard.NotNull(
"Could not create Xunit.Sdk.TestFrameworkProxy for v2 unit test",
AppDomain.CreateObject <ITestFramework>(
TestFrameworkAssemblyName,
"Xunit.Sdk.TestFrameworkProxy",
remoteAssemblyInfo,
v2SourceInformationProvider,
v2DiagnosticMessageSink
)
);
DisposalTracker.Add(remoteFramework);
remoteDiscoverer = Guard.NotNull("Could not get discoverer from test framework for v2 unit test", remoteFramework.GetDiscoverer(remoteAssemblyInfo));
DisposalTracker.Add(remoteDiscoverer);
// If we got an assembly file name, that means we can do execution as well as discovery.
if (assemblyFileName != null)
{
#if NETFRAMEWORK
var assemblyName = AssemblyName.GetAssemblyName(assemblyFileName);
#else
var an = Assembly.Load(new AssemblyName {
Name = Path.GetFileNameWithoutExtension(assemblyFileName)
}).GetName();
var assemblyName = new AssemblyName {
Name = an.Name, Version = an.Version
};
#endif
remoteExecutor = remoteFramework.GetExecutor(assemblyName);
DisposalTracker.Add(remoteExecutor);
}
}