public void TrackRespectsInstrumentaitonKeySetByTelemetryInitializer()
{
var sentTelemetry = new List <ITelemetry>();
var channel = new StubTelemetryChannel {
OnSend = t => sentTelemetry.Add(t)
};
// No instrumentation key set here.
var configuration = new TelemetryConfiguration(string.Empty, channel);
var initializedTelemetry = new List <ITelemetry>();
var telemetryInitializer = new StubTelemetryInitializer();
telemetryInitializer.OnInitialize = item =>
{
item.Context.InstrumentationKey = "Foo";
initializedTelemetry.Add(item);
};
configuration.TelemetryInitializers.Add(telemetryInitializer);
var client = new TelemetryClient(configuration);
var telemetry = new StubTelemetry();
client.Track(telemetry);
Assert.Equal(1, sentTelemetry.Count);
Assert.Equal(1, initializedTelemetry.Count);
}
public void TrackLogsDiagnosticsMessageOnExceptionsDuringTelemetryIntializersInitialize()
{
using (var listener = new TestEventListener())
{
listener.EnableEvents(CoreEventSource.Log, EventLevel.Error);
var configuration = new TelemetryConfiguration {
InstrumentationKey = "Test key"
};
var telemetryInitializer = new StubTelemetryInitializer();
var exceptionMessage = "Test exception message";
telemetryInitializer.OnInitialize = item => { throw new Exception(exceptionMessage); };
configuration.TelemetryInitializers.Add(telemetryInitializer);
var client = new TelemetryClient(configuration)
{
Channel = new StubTelemetryChannel()
};
client.Track(new StubTelemetry());
var exceptionExplanation = "Exception while initializing " + typeof(StubTelemetryInitializer).FullName;
var diagnosticsMessage = (string)listener.Messages.First().Payload[0];
Assert.Contains(exceptionExplanation, diagnosticsMessage, StringComparison.OrdinalIgnoreCase);
Assert.Contains(exceptionMessage, diagnosticsMessage, StringComparison.OrdinalIgnoreCase);
}
}
public void TrackDoesNotThrowExceptionsDuringTelemetryIntializersInitialize()
{
var configuration = new TelemetryConfiguration("Test key", new StubTelemetryChannel());
var telemetryInitializer = new StubTelemetryInitializer();
telemetryInitializer.OnInitialize = item => { throw new Exception(); };
configuration.TelemetryInitializers.Add(telemetryInitializer);
var client = new TelemetryClient(configuration);
Assert.DoesNotThrow(() => client.Track(new StubTelemetry()));
}
public void TelemetryInitializersFromConfigurationActiveAreUsedForSending()
{
bool called = false;
var telemetryInitializer = new StubTelemetryInitializer {
OnInitialize = item => called = true
};
TelemetryConfiguration.Active.TelemetryInitializers.Add(telemetryInitializer);
UnhandledExceptionEventHandler handler = null;
using (var module = new UnhandledExceptionTelemetryModule(
h => handler = h,
_ => { },
new InMemoryChannel()))
{
handler.Invoke(null, new UnhandledExceptionEventArgs(null, true));
}
Assert.True(called);
}
public void TrackCopiesPropertiesFromClientToTelemetryBeforeInvokingInitializersBecauseExplicitlySetValuesTakePrecedence()
{
const string PropertyName = "TestProperty";
string valueInInitializer = null;
var initializer = new StubTelemetryInitializer();
initializer.OnInitialize = telemetry => valueInInitializer = ((ISupportProperties)telemetry).Properties[PropertyName];
var configuration = new TelemetryConfiguration {
TelemetryChannel = new StubTelemetryChannel(), TelemetryInitializers = { initializer }
};
var client = new TelemetryClient(configuration);
client.Context.Properties[PropertyName] = "ClientValue";
client.Context.InstrumentationKey = "Test Key";
client.Track(new StubTelemetry());
Assert.Equal(client.Context.Properties[PropertyName], valueInInitializer);
}