private async Task SendMessageAndListenAndReportTestCasesAsync(IEnumerable <string> sources, string runSettings, ITestDiscoveryEventsHandler eventHandler)
{
try
{
this.communicationManager.SendMessage(
MessageType.StartDiscovery,
new DiscoveryRequestPayload()
{
Sources = sources, RunSettings = runSettings
},
this.protocolVersion);
var isDiscoveryComplete = false;
// Cycle through the messages that the vstest.console sends.
// Currently each of the operations are not separate tasks since they should not each take much time.
// This is just a notification.
while (!isDiscoveryComplete)
{
var message = await this.TryReceiveMessageAsync();
if (string.Equals(MessageType.TestCasesFound, message.MessageType))
{
var testCases = this.dataSerializer.DeserializePayload <IEnumerable <TestCase> >(message);
eventHandler.HandleDiscoveredTests(testCases);
}
else if (string.Equals(MessageType.DiscoveryComplete, message.MessageType))
{
var discoveryCompletePayload =
this.dataSerializer.DeserializePayload <DiscoveryCompletePayload>(message);
eventHandler.HandleDiscoveryComplete(
discoveryCompletePayload.TotalTests,
discoveryCompletePayload.LastDiscoveredTests,
discoveryCompletePayload.IsAborted);
isDiscoveryComplete = true;
}
else if (string.Equals(MessageType.TestMessage, message.MessageType))
{
var testMessagePayload = this.dataSerializer.DeserializePayload <TestMessagePayload>(message);
eventHandler.HandleLogMessage(testMessagePayload.MessageLevel, testMessagePayload.Message);
}
}
}
catch (Exception exception)
{
EqtTrace.Error("Aborting Test Discovery Operation: {0}", exception);
eventHandler.HandleLogMessage(TestMessageLevel.Error, TranslationLayerResources.AbortedTestsDiscovery);
eventHandler.HandleDiscoveryComplete(-1, null, true);
CleanupCommunicationIfProcessExit();
}
this.testPlatformEventSource.TranslationLayerDiscoveryStop();
}
/// <summary>
/// Discovers tests
/// </summary>
/// <param name="discoveryCriteria">Settings, parameters for the discovery request</param>
/// <param name="eventHandler">EventHandler for handling discovery events from Engine</param>
public void DiscoverTests(DiscoveryCriteria discoveryCriteria, ITestDiscoveryEventsHandler eventHandler)
{
var discoveryResultCache = new DiscoveryResultCache(
discoveryCriteria.FrequencyOfDiscoveredTestsEvent,
discoveryCriteria.DiscoveredTestEventTimeout,
this.OnReportTestCases);
try
{
EqtTrace.Info("TestDiscoveryManager.DoDiscovery: Background test discovery started.");
this.testDiscoveryEventsHandler = eventHandler;
var verifiedExtensionSourceMap = new Dictionary <string, IEnumerable <string> >();
// Validate the sources
foreach (var kvp in discoveryCriteria.AdapterSourceMap)
{
var verifiedSources = GetValidSources(kvp.Value, this.sessionMessageLogger);
if (verifiedSources.Any())
{
verifiedExtensionSourceMap.Add(kvp.Key, kvp.Value);
}
}
// If there are sources to discover
if (verifiedExtensionSourceMap.Any())
{
new DiscovererEnumerator(discoveryResultCache).LoadTests(
verifiedExtensionSourceMap,
RunSettingsUtilities.CreateAndInitializeRunSettings(discoveryCriteria.RunSettings),
this.sessionMessageLogger);
}
}
finally
{
// Discovery complete. Raise the DiscoveryCompleteEvent.
EqtTrace.Verbose("TestDiscoveryManager.DoDiscovery: Background Test Discovery complete.");
var totalDiscoveredTestCount = discoveryResultCache.TotalDiscoveredTests;
var lastChunk = discoveryResultCache.Tests;
EqtTrace.Verbose("TestDiscoveryManager.DiscoveryComplete: Calling DiscoveryComplete callback.");
if (eventHandler != null)
{
eventHandler.HandleDiscoveryComplete(totalDiscoveredTestCount, lastChunk, false);
}
else
{
EqtTrace.Warning(
"DiscoveryManager: Could not pass the discovery complete message as the callback is null.");
}
EqtTrace.Verbose("TestDiscoveryManager.DiscoveryComplete: Called DiscoveryComplete callback.");
this.testDiscoveryEventsHandler = null;
}
}
/// <summary>
/// Discovers tests
/// </summary>
/// <param name="discoveryCriteria">Settings, parameters for the discovery request</param>
/// <param name="eventHandler">EventHandler for handling discovery events from Engine</param>
public void DiscoverTests(DiscoveryCriteria discoveryCriteria, ITestDiscoveryEventsHandler eventHandler)
{
try
{
this.isCommunicationEstablished = this.SetupChannel(discoveryCriteria.Sources, this.cancellationTokenSource.Token);
if (this.isCommunicationEstablished)
{
this.InitializeExtensions(discoveryCriteria.Sources);
this.RequestSender.DiscoverTests(discoveryCriteria, eventHandler);
}
}
catch (Exception exception)
{
EqtTrace.Error("ProxyDiscoveryManager.DiscoverTests: Failed to discover tests: {0}", exception);
// Log to vs ide test output
var testMessagePayload = new TestMessagePayload {
MessageLevel = TestMessageLevel.Error, Message = exception.Message
};
var rawMessage = this.dataSerializer.SerializePayload(MessageType.TestMessage, testMessagePayload);
eventHandler.HandleRawMessage(rawMessage);
// Log to vstest.console
// Send a discovery complete to caller. Similar logic is also used in ParallelProxyDiscoveryManager.DiscoverTestsOnConcurrentManager
// Aborted is `true`: in case of parallel discovery (or non shared host), an aborted message ensures another discovery manager
// created to replace the current one. This will help if the current discovery manager is aborted due to irreparable error
// and the test host is lost as well.
eventHandler.HandleLogMessage(TestMessageLevel.Error, exception.Message);
eventHandler.HandleDiscoveryComplete(-1, new List <ObjectModel.TestCase>(), true);
}
}
private void OnDiscoveryAbort(ITestDiscoveryEventsHandler eventHandler)
{
// Log to vstest console
eventHandler.HandleLogMessage(TestMessageLevel.Error, CommonResources.AbortedTestDiscovery);
// Log to vs ide test output
var testMessagePayload = new TestMessagePayload {
MessageLevel = TestMessageLevel.Error, Message = CommonResources.AbortedTestDiscovery
};
var rawMessage = this.dataSerializer.SerializePayload(MessageType.TestMessage, testMessagePayload);
eventHandler.HandleRawMessage(rawMessage);
// Notify discovery abort to IDE test output
var payload = new DiscoveryCompletePayload()
{
IsAborted = true,
LastDiscoveredTests = null,
TotalTests = -1
};
rawMessage = this.dataSerializer.SerializePayload(MessageType.DiscoveryComplete, payload);
eventHandler.HandleRawMessage(rawMessage);
// Complete discovery
eventHandler.HandleDiscoveryComplete(-1, null, true);
this.CleanupCommunicationIfProcessExit();
}
/// <summary>
/// Discovers tests
/// </summary>
/// <param name="discoveryCriteria">Settings, parameters for the discovery request</param>
/// <param name="eventHandler">EventHandler for handling discovery events from Engine</param>
public void DiscoverTests(DiscoveryCriteria discoveryCriteria, ITestDiscoveryEventsHandler eventHandler)
{
try
{
if (!this.testHostManager.Shared)
{
// If the test host doesn't support sharing across sources, we must initialize it
// with sources.
this.InitializeExtensions(discoveryCriteria.Sources);
}
this.SetupChannel(discoveryCriteria.Sources);
this.RequestSender.DiscoverTests(discoveryCriteria, eventHandler);
}
catch (Exception exception)
{
EqtTrace.Error("ProxyDiscoveryManager.DiscoverTests: Failed to discover tests: {0}", exception);
// Log to vs ide test output
var testMessagePayload = new TestMessagePayload {
MessageLevel = TestMessageLevel.Error, Message = exception.Message
};
var rawMessage = this.dataSerializer.SerializePayload(MessageType.TestMessage, testMessagePayload);
eventHandler.HandleRawMessage(rawMessage);
// Log to vstest.console
eventHandler.HandleLogMessage(TestMessageLevel.Error, exception.Message);
eventHandler.HandleDiscoveryComplete(0, new List <ObjectModel.TestCase>(), false);
}
}
private void OnDiscoveryAbort(ITestDiscoveryEventsHandler eventHandler, Exception exception, bool getClientError)
{
if (this.IsOperationComplete())
{
EqtTrace.Verbose("TestRequestSender: OnDiscoveryAbort: Operation is already complete. Skip error message.");
return;
}
EqtTrace.Verbose("TestRequestSender: OnDiscoveryAbort: Set operation complete.");
this.SetOperationComplete();
var reason = this.GetAbortErrorMessage(exception, getClientError);
EqtTrace.Error("TestRequestSender: Aborting test discovery because {0}", reason);
this.LogErrorMessage(string.Format(CommonResources.AbortedTestDiscovery, reason));
// Notify discovery abort to IDE test output
var payload = new DiscoveryCompletePayload()
{
IsAborted = true,
LastDiscoveredTests = null,
TotalTests = -1
};
var rawMessage = this.dataSerializer.SerializePayload(MessageType.DiscoveryComplete, payload);
eventHandler.HandleRawMessage(rawMessage);
// Complete discovery
eventHandler.HandleDiscoveryComplete(-1, null, true);
}
private void OnDiscoveryAbort(ITestDiscoveryEventsHandler eventHandler, Exception exception)
{
EqtTrace.Error("Server: TestExecution: Aborting test discovery because {0}", exception);
var reason = string.Format(CommonResources.AbortedTestDiscovery, exception?.Message);
// Log to vstest console
eventHandler.HandleLogMessage(TestMessageLevel.Error, reason);
// Log to vs ide test output
var testMessagePayload = new TestMessagePayload {
MessageLevel = TestMessageLevel.Error, Message = reason
};
var rawMessage = this.dataSerializer.SerializePayload(MessageType.TestMessage, testMessagePayload);
eventHandler.HandleRawMessage(rawMessage);
// Notify discovery abort to IDE test output
var payload = new DiscoveryCompletePayload()
{
IsAborted = true,
LastDiscoveredTests = null,
TotalTests = -1
};
rawMessage = this.dataSerializer.SerializePayload(MessageType.DiscoveryComplete, payload);
eventHandler.HandleRawMessage(rawMessage);
// Complete discovery
eventHandler.HandleDiscoveryComplete(-1, null, true);
this.CleanupCommunicationIfProcessExit();
}
/// <inheritdoc/>
public void DiscoverTests(DiscoveryCriteria discoveryCriteria, ITestDiscoveryEventsHandler discoveryEventsHandler)
{
try
{
this.communicationManager.SendMessage(MessageType.StartDiscovery, discoveryCriteria, version: this.protocolVersion);
var isDiscoveryComplete = false;
// Cycle through the messages that the testhost sends.
// Currently each of the operations are not separate tasks since they should not each take much time. This is just a notification.
while (!isDiscoveryComplete)
{
var rawMessage = this.TryReceiveRawMessage();
if (EqtTrace.IsVerboseEnabled)
{
EqtTrace.Verbose("Received message: {0}", rawMessage);
}
// Send raw message first to unblock handlers waiting to send message to IDEs
discoveryEventsHandler.HandleRawMessage(rawMessage);
var message = this.dataSerializer.DeserializeMessage(rawMessage);
if (string.Equals(MessageType.TestCasesFound, message.MessageType))
{
var testCases = this.dataSerializer.DeserializePayload <IEnumerable <TestCase> >(message);
discoveryEventsHandler.HandleDiscoveredTests(testCases);
}
else if (string.Equals(MessageType.DiscoveryComplete, message.MessageType))
{
var discoveryCompletePayload = this.dataSerializer.DeserializePayload <DiscoveryCompletePayload>(message);
discoveryEventsHandler.HandleDiscoveryComplete(
discoveryCompletePayload.TotalTests,
discoveryCompletePayload.LastDiscoveredTests,
discoveryCompletePayload.IsAborted);
isDiscoveryComplete = true;
}
else if (string.Equals(MessageType.TestMessage, message.MessageType))
{
var testMessagePayload = this.dataSerializer.DeserializePayload <TestMessagePayload>(message);
discoveryEventsHandler.HandleLogMessage(
testMessagePayload.MessageLevel,
testMessagePayload.Message);
}
}
}
catch (Exception ex)
{
this.OnDiscoveryAbort(discoveryEventsHandler, ex);
}
}
/// <summary>
/// Discovers tests
/// </summary>
/// <param name="discoveryCriteria">Settings, parameters for the discovery request</param>
/// <param name="eventHandler">EventHandler for handling discovery events from Engine</param>
public void DiscoverTests(DiscoveryCriteria discoveryCriteria, ITestDiscoveryEventsHandler eventHandler)
{
try
{
if (!this.testHostManager.Shared)
{
// If the test host doesn't support sharing across sources, we must initialize it
// with sources.
this.InitializeExtensions(discoveryCriteria.Sources);
}
this.SetupChannel(discoveryCriteria.Sources);
this.RequestSender.DiscoverTests(discoveryCriteria, eventHandler);
}
catch (Exception exception)
{
eventHandler.HandleLogMessage(TestMessageLevel.Error, exception.Message);
eventHandler.HandleDiscoveryComplete(0, new List <ObjectModel.TestCase>(), false);
}
}
// simulate the discovery of tests
private static void DiscoverTests(IEnumerable <string> sources, string discoverySettings, ITestDiscoveryEventsHandler discoveryEventsHandler, ICollection <TestCase> tests, bool aborted)
{
Task.Run(() => discoveryEventsHandler.HandleDiscoveredTests(tests)).
ContinueWith((t, u) => discoveryEventsHandler.HandleDiscoveryComplete((int)u, null, aborted), tests.Count);
}
/// <inheritdoc />
public void DiscoverTests(DiscoveryCriteria discoveryCriteria, ITestDiscoveryEventsHandler discoveryEventsHandler)
{
this.messageEventHandler = discoveryEventsHandler;
this.onDisconnected = (disconnectedEventArgs) =>
{
this.OnDiscoveryAbort(discoveryEventsHandler, disconnectedEventArgs.Error, true);
};
this.onMessageReceived = (sender, args) =>
{
try
{
var rawMessage = args.Data;
// Currently each of the operations are not separate tasks since they should not each take much time. This is just a notification.
if (EqtTrace.IsInfoEnabled)
{
EqtTrace.Info("TestRequestSender: Received message: {0}", rawMessage);
}
// Send raw message first to unblock handlers waiting to send message to IDEs
discoveryEventsHandler.HandleRawMessage(rawMessage);
var data = this.dataSerializer.DeserializeMessage(rawMessage);
switch (data.MessageType)
{
case MessageType.TestCasesFound:
var testCases = this.dataSerializer.DeserializePayload <IEnumerable <TestCase> >(data);
discoveryEventsHandler.HandleDiscoveredTests(testCases);
break;
case MessageType.DiscoveryComplete:
var discoveryCompletePayload =
this.dataSerializer.DeserializePayload <DiscoveryCompletePayload>(data);
discoveryEventsHandler.HandleDiscoveryComplete(
discoveryCompletePayload.TotalTests,
discoveryCompletePayload.LastDiscoveredTests,
discoveryCompletePayload.IsAborted);
this.SetOperationComplete();
break;
case MessageType.TestMessage:
var testMessagePayload = this.dataSerializer.DeserializePayload <TestMessagePayload>(
data);
discoveryEventsHandler.HandleLogMessage(
testMessagePayload.MessageLevel,
testMessagePayload.Message);
break;
}
}
catch (Exception ex)
{
this.OnDiscoveryAbort(discoveryEventsHandler, ex, false);
}
};
this.channel.MessageReceived += this.onMessageReceived;
var message = this.dataSerializer.SerializePayload(
MessageType.StartDiscovery,
discoveryCriteria,
this.protocolVersion);
this.channel.Send(message);
}