public void GetTestExtensionsShouldDiscoverExtensionsOnlyOnce()
{
var discoveryCount = 0;
TestPluginCacheTests.SetupMockExtensions(() => { discoveryCount++; });
IEnumerable <LazyExtension <ITestDiscoverer, Dictionary <string, object> > > unfilteredTestExtensions;
IEnumerable <LazyExtension <ITestDiscoverer, ITestDiscovererCapabilities> > testExtensions;
TestPluginManager.Instance.GetTestExtensions <ITestDiscoverer, ITestDiscovererCapabilities, TestDiscovererMetadata>(
out unfilteredTestExtensions,
out testExtensions);
// Call this again to verify that discovery is not called again.
TestPluginManager.Instance.GetTestExtensions <ITestDiscoverer, ITestDiscovererCapabilities, TestDiscovererMetadata>(
out unfilteredTestExtensions,
out testExtensions);
Assert.IsNotNull(testExtensions);
Assert.IsTrue(testExtensions.Count() > 0);
Assert.AreEqual(1, discoveryCount);
}
public void Initialize()
{
TestPluginCacheTests.SetupMockExtensions();
}