/// <summary>
/// Gets test extensions from a given assembly.
/// </summary>
/// <param name="assembly">Assembly to check for test extension availability</param>
/// <param name="pluginInfos">Test extensions collection to add to.</param>
/// <typeparam name="TPluginInfo">
/// Type of Test Plugin Information.
/// </typeparam>
/// <typeparam name="TExtension">
/// Type of Extensions.
/// </typeparam>
private void GetTestExtensionsFromAssembly <TPluginInfo, TExtension>(Assembly assembly, Dictionary <string, TPluginInfo> pluginInfos) where TPluginInfo : TestPluginInformation
{
Debug.Assert(assembly != null, "null assembly");
Debug.Assert(pluginInfos != null, "null pluginInfos");
IEnumerable <Type> types;
Type extension = typeof(TExtension);
try
{
types = TypesToLoadUtilities.GetTypesToLoad(assembly);
if (!types.Any())
{
types = assembly.GetTypes().Where(type => type.GetTypeInfo().IsClass&& !type.GetTypeInfo().IsAbstract);
}
}
catch (ReflectionTypeLoadException e)
{
EqtTrace.Warning("TestPluginDiscoverer: Failed to get types from assembly '{0}'. Skipping test extension scan for this assembly. Error: {1}", assembly.FullName, e.ToString());
if (e.LoaderExceptions != null)
{
foreach (var ex in e.LoaderExceptions)
{
EqtTrace.Warning("LoaderExceptions: {0}", ex);
}
}
return;
}
if (types != null && types.Any())
{
foreach (var type in types)
{
GetTestExtensionFromType(type, extension, pluginInfos);
}
}
}
public void TypesToLoadAttributeTests()
{
var environment = new IntegrationTestEnvironment();
var extensionsDirectory = environment.ExtensionsDirectory;
var extensionsToVerify = new Dictionary <string, string[]>
{
{ "Microsoft.TestPlatform.Extensions.EventLogCollector.dll", new[] { "Microsoft.TestPlatform.Extensions.EventLogCollector.EventLogDataCollector" } },
{ "Microsoft.TestPlatform.Extensions.BlameDataCollector.dll", new[] { "Microsoft.TestPlatform.Extensions.BlameDataCollector.BlameLogger", "Microsoft.TestPlatform.Extensions.BlameDataCollector.BlameCollector" } },
{ "Microsoft.VisualStudio.TestPlatform.Extensions.Html.TestLogger.dll", new[] { "Microsoft.VisualStudio.TestPlatform.Extensions.HtmlLogger.HtmlLogger" } },
{ "Microsoft.VisualStudio.TestPlatform.Extensions.Trx.TestLogger.dll", new[] { "Microsoft.VisualStudio.TestPlatform.Extensions.TrxLogger.TrxLogger" } },
{ "Microsoft.TestPlatform.TestHostRuntimeProvider.dll", new[] { "Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Hosting.DefaultTestHostManager", "Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.Hosting.DotnetTestHostManager" } }
};
foreach (var extension in extensionsToVerify.Keys)
{
var assemblyFile = Path.Combine(extensionsDirectory, extension);
var assembly = Assembly.LoadFrom(assemblyFile);
var expected = extensionsToVerify[extension];
var actual = TypesToLoadUtilities.GetTypesToLoad(assembly).Select(i => i.FullName).ToArray();
CollectionAssert.AreEquivalent(expected, actual, $"Specified types using TypesToLoadAttribute in \"{extension}\" assembly doesn't match the expected.");
}
}
