public void CancelTestDiscovery(RunnerInfo runnerInfo)
{
// Setup
var testAssemblies = new List <string>
{
this.GetAssetFullPath("DiscoveryTestProject.dll"),
this.GetAssetFullPath("SimpleTestProject.dll"),
this.GetAssetFullPath("SimpleTestProject2.dll")
};
SetTestEnvironment(this.testEnvironment, runnerInfo);
this.Setup();
var discoveredTests = new List <TestCase>();
var discoveryEvents = new Mock <ITestDiscoveryEventsHandler>();
discoveryEvents.Setup((events) => events.HandleDiscoveredTests(It.IsAny <IEnumerable <TestCase> >())).Callback
((IEnumerable <TestCase> testcases) => { discoveredTests.AddRange(testcases); });
// Act
var discoveryTask = Task.Run(() =>
{
this.vstestConsoleWrapper.DiscoverTests(testAssemblies, this.GetDefaultRunSettings(), discoveryEvents.Object);
});
Task.Delay(2000).Wait();
vstestConsoleWrapper.CancelDiscovery();
discoveryTask.Wait();
// Assert.
int discoveredSources = discoveredTests.Select((testcase) => testcase.Source).Distinct().Count();
Assert.AreNotEqual(testAssemblies.Count, discoveredSources, "All test assemblies discovered");
}