public void DiscoverTests(IEnumerable <string> sources, IDiscoveryContext discoveryContext, IMessageLogger messageLogger, ITestCaseDiscoverySink discoverySink)
{
Initialize(discoveryContext, messageLogger);
CheckIfDebug();
TestLog.Info($"NUnit Adapter {AdapterVersion}: Test discovery starting");
// Ensure any channels registered by other adapters are unregistered
CleanUpRegisteredChannels();
if (Settings.InProcDataCollectorsAvailable && sources.Count() > 1)
{
TestLog.Error("Unexpected to discover tests in multiple assemblies when InProcDataCollectors specified in run configuration.");
Unload();
return;
}
foreach (string sourceAssembly in sources)
{
string sourceAssemblyPath = Path.IsPathRooted(sourceAssembly) ? sourceAssembly : Path.Combine(Directory.GetCurrentDirectory(), sourceAssembly);
TestLog.Debug("Processing " + sourceAssembly);
if (Settings.DumpXmlTestDiscovery)
{
dumpXml = new DumpXml(sourceAssemblyPath);
}
try
{
var package = CreateTestPackage(sourceAssemblyPath, null);
NUnitEngineAdapter.CreateRunner(package);
var results = NUnitEngineAdapter.Explore();
dumpXml?.AddString(results.AsString());
if (results.IsRunnable)
{
int cases;
using (var testConverter = new TestConverterForXml(TestLog, sourceAssemblyPath, Settings))
{
var timing = new TimingLogger(Settings, TestLog);
cases = ProcessTestCases(results, discoverySink, testConverter);
timing.LogTime("Discovery/Processing/Converting:");
}
TestLog.Debug($"Discovered {cases} test cases");
// Only save if seed is not specified in runsettings
// This allows workaround in case there is no valid
// location in which the seed may be saved.
if (cases > 0 && !Settings.RandomSeedSpecified)
{
Settings.SaveRandomSeed(Path.GetDirectoryName(sourceAssemblyPath));
}
}
else
{
if (results.HasNoNUnitTests)
{
if (Settings.Verbosity > 0)
{
TestLog.Info("Assembly contains no NUnit 3.0 tests: " + sourceAssembly);
}
}
else
{
TestLog.Info("NUnit failed to load " + sourceAssembly);
}
}
}
catch (NUnitEngineException e)
{
if (e.InnerException is BadImageFormatException)
{
// we skip the native c++ binaries that we don't support.
TestLog.Warning("Assembly not supported: " + sourceAssembly);
}
else
{
TestLog.Warning("Exception thrown discovering tests in " + sourceAssembly, e);
}
}
catch (BadImageFormatException)
{
// we skip the native c++ binaries that we don't support.
TestLog.Warning("Assembly not supported: " + sourceAssembly);
}
catch (FileNotFoundException ex)
{
// Either the NUnit framework was not referenced by the test assembly
// or some other error occurred. Not a problem if not an NUnit assembly.
TestLog.Warning("Dependent Assembly " + ex.FileName + " of " + sourceAssembly + " not found. Can be ignored if not an NUnit project.");
}
catch (FileLoadException ex)
{
// Attempts to load an invalid assembly, or an assembly with missing dependencies
TestLog.Warning("Assembly " + ex.FileName + " loaded through " + sourceAssembly + " failed. Assembly is ignored. Correct deployment of dependencies if this is an error.");
}
catch (TypeLoadException ex)
{
if (ex.TypeName == "NUnit.Framework.Api.FrameworkController")
{
TestLog.Warning(" Skipping NUnit 2.x test assembly");
}
else
{
TestLog.Warning("Exception thrown discovering tests in " + sourceAssembly, ex);
}
}
catch (Exception ex)
{
TestLog.Warning("Exception thrown discovering tests in " + sourceAssembly, ex);
}
finally
{
dumpXml?.DumpForDiscovery();
NUnitEngineAdapter?.CloseRunner();
}
}
TestLog.Info($"NUnit Adapter {AdapterVersion}: Test discovery complete");
Unload();
}
private void RunAssembly(string assemblyPath, IGrouping <string, TestCase> testCases, TestFilter filter)
{
LogActionAndSelection(assemblyPath, filter);
RestoreRandomSeed(assemblyPath);
Dump = DumpXml.CreateDump(assemblyPath, testCases, Settings);
try
{
var package = CreateTestPackage(assemblyPath, testCases);
NUnitEngineAdapter.CreateRunner(package);
CreateTestOutputFolder();
Dump?.StartDiscoveryInExecution(testCases, filter, package);
// var discoveryResults = RunType == RunType.CommandLineCurrentNUnit ? null : NUnitEngineAdapter.Explore(filter);
var discoveryResults = NUnitEngineAdapter.Explore(filter);
Dump?.AddString(discoveryResults?.AsString() ?? " No discovery");
if (discoveryResults?.IsRunnable ?? true)
{
var discovery = new DiscoveryConverter(TestLog, Settings);
discovery.Convert(discoveryResults, assemblyPath);
if (!Settings.SkipExecutionWhenNoTests || discovery.AllTestCases.Any())
{
var ea = ExecutionFactory.Create(this);
ea.Run(filter, discovery, this);
}
else
{
TestLog.InfoNoTests(assemblyPath);
}
}
else
{
TestLog.InfoNoTests(discoveryResults.HasNoNUnitTests, assemblyPath);
}
}
catch (Exception ex) when(ex is BadImageFormatException || ex.InnerException is BadImageFormatException)
{
// we skip the native c++ binaries that we don't support.
TestLog.Warning(" Assembly not supported: " + assemblyPath);
}
catch (FileNotFoundException ex)
{
// Probably from the GetExportedTypes in NUnit.core, attempting to find an assembly, not a problem if it is not NUnit here
TestLog.Warning(" Dependent Assembly " + ex.FileName + " of " + assemblyPath +
" not found. Can be ignored if not an NUnit project.");
}
catch (Exception ex)
{
if (ex is TargetInvocationException)
{
ex = ex.InnerException;
}
TestLog.Warning(" Exception thrown executing tests in " + assemblyPath, ex);
}
finally
{
Dump?.DumpForExecution();
try
{
NUnitEngineAdapter?.CloseRunner();
}
catch (Exception ex)
{
// can happen if CLR throws CannotUnloadAppDomainException, for example
// due to a long-lasting operation in a protected region (catch/finally clause).
if (ex is TargetInvocationException)
{
ex = ex.InnerException;
}
TestLog.Warning($" Exception thrown unloading tests from {assemblyPath}", ex);
}
}
}
private void RunAssembly(string assemblyPath, IGrouping <string, TestCase> testCases, TestFilter filter)
{
#if LAUNCHDEBUGGER
if (!Debugger.IsAttached)
{
Debugger.Launch();
}
#endif
string actionText = Debugger.IsAttached ? "Debugging " : "Running ";
string selectionText = filter == null || filter == TestFilter.Empty ? "all" : "selected";
TestLog.Info(actionText + selectionText + " tests in " + assemblyPath);
// No need to restore if the seed was in runsettings file
if (!Settings.RandomSeedSpecified)
{
Settings.RestoreRandomSeed(Path.GetDirectoryName(assemblyPath));
}
executionDumpXml = null;
if (Settings.DumpXmlTestResults)
{
executionDumpXml = new DumpXml(assemblyPath);
}
try
{
var package = CreateTestPackage(assemblyPath, testCases);
NUnitEngineAdapter.CreateRunner(package);
CreateTestOutputFolder();
executionDumpXml?.AddString($"<NUnitDiscoveryInExecution>{assemblyPath}</NUnitExecution>\r\n\r\n");
var discoveryResults = NUnitEngineAdapter.Explore(filter); // _activeRunner.Explore(filter);
executionDumpXml?.AddString(discoveryResults.AsString());
if (discoveryResults.IsRunnable)
{
var nunitTestCases = discoveryResults.TestCases();
using var testConverter = new TestConverter(TestLog, assemblyPath, Settings);
var loadedTestCases = new List <TestCase>();
// As a side effect of calling TestConverter.ConvertTestCase,
// the converter's cache of all test cases is populated as well.
// All future calls to convert a test case may now use the cache.
foreach (XmlNode testNode in nunitTestCases)
{
loadedTestCases.Add(testConverter.ConvertTestCase(new NUnitTestCase(testNode)));
}
TestLog.Info($" NUnit3TestExecutor converted {loadedTestCases.Count} of {nunitTestCases.Count} NUnit test cases");
// If we have a TFS Filter, convert it to an nunit filter
if (TfsFilter != null && !TfsFilter.IsEmpty)
{
// NOTE This overwrites filter used in call
var filterBuilder = CreateTestFilterBuilder();
filter = filterBuilder.ConvertTfsFilterToNUnitFilter(TfsFilter, loadedTestCases);
}
if (filter == NUnitTestFilterBuilder.NoTestsFound)
{
TestLog.Info(" Skipping assembly - no matching test cases found");
return;
}
executionDumpXml?.AddString($"<NUnitExecution>{assemblyPath}</NUnitExecution>\r\n");
using (var listener = new NUnitEventListener(FrameworkHandle, testConverter, this))
{
try
{
var results = NUnitEngineAdapter.Run(listener, filter);
GenerateTestOutput(results.TopNode, assemblyPath);
}
catch (NullReferenceException)
{
// this happens during the run when CancelRun is called.
TestLog.Debug(" Null ref caught");
}
}
}
else
{
TestLog.Info(discoveryResults.HasNoNUnitTests
? " NUnit couldn't find any tests in " + assemblyPath
: " NUnit failed to load " + assemblyPath);
}
}
catch (BadImageFormatException)
{
// we skip the native c++ binaries that we don't support.
TestLog.Warning(" Assembly not supported: " + assemblyPath);
}
catch (NUnitEngineException e)
{
if (e.InnerException is BadImageFormatException)
{
// we skip the native c++ binaries that we don't support.
TestLog.Warning(" Assembly not supported: " + assemblyPath);
}
throw;
}
catch (FileNotFoundException ex)
{
// Probably from the GetExportedTypes in NUnit.core, attempting to find an assembly, not a problem if it is not NUnit here
TestLog.Warning(" Dependent Assembly " + ex.FileName + " of " + assemblyPath + " not found. Can be ignored if not an NUnit project.");
}
catch (Exception ex)
{
if (ex is TargetInvocationException)
{
ex = ex.InnerException;
}
TestLog.Warning(" Exception thrown executing tests in " + assemblyPath, ex);
}
finally
{
executionDumpXml?.Dump4Execution();
try
{
NUnitEngineAdapter?.CloseRunner();
}
catch (Exception ex)
{
// can happen if CLR throws CannotUnloadAppDomainException, for example
// due to a long-lasting operation in a protected region (catch/finally clause).
if (ex is TargetInvocationException)
{
ex = ex.InnerException;
}
TestLog.Warning($" Exception thrown unloading tests from {assemblyPath}", ex);
}
}
}