public async Task TelemetryIsSentAsync(string testFilename, int configuredSessions,
int configuredSubscriptions, int configuredMonitoredItems)
{
string methodName = UnitTestHelper.GetMethodName();
string fqTempFilename = string.Empty;
string fqTestFilename = $"{Directory.GetCurrentDirectory()}/testdata/telemetry/{testFilename}";
fqTempFilename = $"{Directory.GetCurrentDirectory()}/tempdata/{methodName}_{testFilename}";
if (File.Exists(fqTempFilename))
{
File.Delete(fqTempFilename);
}
File.Copy(fqTestFilename, fqTempFilename);
PublisherNodeConfiguration.PublisherNodeConfigurationFilename = fqTempFilename;
_output.WriteLine($"now testing: {PublisherNodeConfiguration.PublisherNodeConfigurationFilename}");
Assert.True(File.Exists(PublisherNodeConfiguration.PublisherNodeConfigurationFilename));
UnitTestHelper.SetPublisherDefaults();
// mock IoTHub communication
var hubMockBase = new Mock <HubCommunicationBase>();
var hubMock = hubMockBase.As <IHubCommunication>();
hubMock.CallBase = true;
Hub = hubMock.Object;
// configure hub client mock
var hubClientMockBase = new Mock <HubClient>();
var hubClientMock = hubClientMockBase.As <IHubClient>();
int eventsReceived = 0;
hubClientMock.Setup(m => m.SendEventAsync(It.IsAny <Message>())).Callback <Message>(m => eventsReceived++);
IotHubCommunication.IotHubClient = hubClientMock.Object;
Hub.InitHubCommunicationAsync(hubClientMockBase.Object).Wait();
try
{
long eventsAtStart = HubCommunicationBase.NumberOfEvents;
NodeConfiguration = PublisherNodeConfiguration.Instance;
Assert.True(NodeConfiguration.OpcSessions.Count == configuredSessions, "wrong # of sessions");
Assert.True(NodeConfiguration.NumberOfOpcSessionsConfigured == configuredSessions, "wrong # of sessions");
Assert.True(NodeConfiguration.NumberOfOpcSubscriptionsConfigured == configuredSubscriptions, "wrong # of subscriptions");
Assert.True(NodeConfiguration.NumberOfOpcMonitoredItemsConfigured == configuredMonitoredItems, "wrong # of monitored items");
int seconds = UnitTestHelper.WaitTilItemsAreMonitoredAndFirstEventReceived();
long eventsAfterConnect = HubCommunicationBase.NumberOfEvents;
await Task.Delay(2500).ConfigureAwait(false);
long eventsAfterDelay = HubCommunicationBase.NumberOfEvents;
_output.WriteLine($"# of events at start: {eventsAtStart}, # events after connect: {eventsAfterConnect}, # events after delay: {eventsAfterDelay}");
_output.WriteLine($"sessions configured {NodeConfiguration.NumberOfOpcSessionsConfigured}, connected {NodeConfiguration.NumberOfOpcSessionsConnected}");
_output.WriteLine($"subscriptions configured {NodeConfiguration.NumberOfOpcSubscriptionsConfigured}, connected {NodeConfiguration.NumberOfOpcSubscriptionsConnected}");
_output.WriteLine($"items configured {NodeConfiguration.NumberOfOpcMonitoredItemsConfigured}, monitored {NodeConfiguration.NumberOfOpcMonitoredItemsMonitored}, toRemove {NodeConfiguration.NumberOfOpcMonitoredItemsToRemove}");
_output.WriteLine($"waited {seconds} seconds till monitoring started, events generated {eventsReceived}");
hubClientMock.VerifySet(m => m.ProductInfo = "OpcPublisher");
Assert.True(eventsAfterDelay - eventsAtStart == 3);
}
finally
{
NodeConfiguration.Dispose();
NodeConfiguration = null;
Hub.Dispose();
IotHubCommunication.IotHubClient = null;
Hub = null;
}
}