public void AzureRoleEnvironmentTelemetryInitializerDoesNotOverrideRoleName()
{
var telemetryItem = new EventTelemetry();
AzureRoleEnvironmentContextReader.Instance = null;
AzureRoleEnvironmentTelemetryInitializer initializer = new AzureRoleEnvironmentTelemetryInitializer();
telemetryItem.Context.Cloud.RoleName = "Test";
initializer.Initialize(telemetryItem);
Assert.Equal("Test", telemetryItem.Context.Cloud.RoleName);
}
public void AzureRoleEnvironmentTelemetryInitializerDoesNotOverrideRoleInstance()
{
var telemetryItem = new EventTelemetry();
AzureRoleEnvironmentTelemetryInitializer initializer = new AzureRoleEnvironmentTelemetryInitializer();
AzureRoleEnvironmentContextReader.BaseDirectory = ServiceRuntimeHelper.TestWithServiceRuntimePath;
AzureRoleEnvironmentContextReader.Instance = null;
ServiceRuntimeHelper.IsAvailable = true;
telemetryItem.Context.Cloud.RoleInstance = "Test";
initializer.Initialize(telemetryItem);
Assert.Equal("Test", telemetryItem.Context.Cloud.RoleInstance);
}
public void AzureRoleEnvironmentTelemetryInitializerSetsTelemetryContextPropertiesWhenRoleEnvironmentIsNotAvailable()
{
var telemetryItem = new EventTelemetry();
AzureRoleEnvironmentTelemetryInitializer initializer = new AzureRoleEnvironmentTelemetryInitializer();
AzureRoleEnvironmentContextReader.BaseDirectory = ServiceRuntimeHelper.TestWithServiceRuntimePath;
AzureRoleEnvironmentContextReader.Instance = null;
ServiceRuntimeHelper.IsAvailable = false;
initializer.Initialize(telemetryItem);
ServiceRuntimeHelper.IsAvailable = true;
Assert.Null(telemetryItem.Context.Cloud.RoleName);
Assert.Null(telemetryItem.Context.Cloud.RoleInstance);
}
public void AzureRoleEnvironmentTelemetryInitializerDoesNotOverrideRoleInstance()
{
var telemetryItem = new EventTelemetry();
AzureRoleEnvironmentTelemetryInitializer initializer = new AzureRoleEnvironmentTelemetryInitializer();
AzureRoleEnvironmentContextReader.BaseDirectory = ServiceRuntimeHelper.TestWithServiceRuntimePath;
AzureRoleEnvironmentContextReader.Instance = null;
ServiceRuntimeHelper.IsAvailable = true;
telemetryItem.Context.Cloud.RoleInstance = "Test";
initializer.Initialize(telemetryItem);
Assert.Equal("Test", telemetryItem.Context.Cloud.RoleInstance);
}
public void AzureRoleEnvironmentTelemetryInitializerSetsTelemetryContextPropertiesWhenRoleEnvironmentIsNotAvailable()
{
var telemetryItem = new EventTelemetry();
AzureRoleEnvironmentTelemetryInitializer initializer = new AzureRoleEnvironmentTelemetryInitializer();
AzureRoleEnvironmentContextReader.BaseDirectory = ServiceRuntimeHelper.TestWithServiceRuntimePath;
AzureRoleEnvironmentContextReader.Instance = null;
ServiceRuntimeHelper.IsAvailable = false;
initializer.Initialize(telemetryItem);
ServiceRuntimeHelper.IsAvailable = true;
Assert.Null(telemetryItem.Context.Cloud.RoleName);
Assert.Null(telemetryItem.Context.Cloud.RoleInstance);
}
public void AzureRoleEnvironmentTelemetryInitializerSetsTelemetryContextPropertiesToNullWhenNotRunningInsideAzureCloudService()
{
// This test asssumes that it is not running inside a cloud service.
// Its Ok even if Azure ServiceRunTime dlls are in the GAC, as IsAvailable() will return false, and hence
// no context will be further attempted to be read.
var telemetryItem = new EventTelemetry();
AzureRoleEnvironmentContextReader.Instance = null;
AzureRoleEnvironmentContextReader.AssemblyLoaderType = null;
AzureRoleEnvironmentTelemetryInitializer initializer = new AzureRoleEnvironmentTelemetryInitializer();
initializer.Initialize(telemetryItem);
Assert.Null(telemetryItem.Context.Cloud.RoleName);
Assert.Null(telemetryItem.Context.Cloud.RoleInstance);
Assert.Null(telemetryItem.Context.GetInternalContext().NodeName);
}
public void AzureRoleEnvironmentTelemetryInitializerSetsTelemetryContextPropertiesWhenRoleEnvironmentIsAvailable()
{
var telemetryItem = new EventTelemetry();
var initializer = new AzureRoleEnvironmentTelemetryInitializer();
AzureRoleEnvironmentContextReader.BaseDirectory = ServiceRuntimeHelper.TestWithServiceRuntimePath;
AzureRoleEnvironmentContextReader.Instance = null;
ServiceRuntimeHelper.IsAvailable = true;
initializer.Initialize(telemetryItem);
string expectedRoleInstanceName = string.Format(
CultureInfo.InvariantCulture,
TestRoleInstance.IdFormat,
ServiceRuntimeHelper.RoleName,
ServiceRuntimeHelper.RoleInstanceOrdinal);
Assert.Equal(ServiceRuntimeHelper.RoleName, telemetryItem.Context.Cloud.RoleName);
Assert.Equal(expectedRoleInstanceName, telemetryItem.Context.Cloud.RoleInstance);
}
public void AzureRoleEnvironmentTelemetryInitializerSetsTelemetryContextPropertiesWhenRoleEnvironmentIsAvailable()
{
var telemetryItem = new EventTelemetry();
var initializer = new AzureRoleEnvironmentTelemetryInitializer();
AzureRoleEnvironmentContextReader.BaseDirectory = ServiceRuntimeHelper.TestWithServiceRuntimePath;
AzureRoleEnvironmentContextReader.Instance = null;
ServiceRuntimeHelper.IsAvailable = true;
initializer.Initialize(telemetryItem);
string expectedRoleInstanceName = string.Format(
CultureInfo.InvariantCulture,
TestRoleInstance.IdFormat,
ServiceRuntimeHelper.RoleName,
ServiceRuntimeHelper.RoleInstanceOrdinal);
Assert.Equal(ServiceRuntimeHelper.RoleName, telemetryItem.Context.Cloud.RoleName);
Assert.Equal(expectedRoleInstanceName, telemetryItem.Context.Cloud.RoleInstance);
}
public void AzureRoleEnvironmentTelemetryInitializerDoNotPopulateContextIfRunningAzureWebApp()
{
try
{
// Set the ENV variable so as to trick app is running as Azure WebApp
Environment.SetEnvironmentVariable("WEBSITE_SITE_NAME", "TestRoleName.AzureWebSites.net");
// Initialize telemetry using AzureRoleEnvironmentTelemetryInitializer
var telemetryItem = new EventTelemetry();
AzureRoleEnvironmentTelemetryInitializer initializer = new AzureRoleEnvironmentTelemetryInitializer();
initializer.Initialize(telemetryItem);
// As app is running as Azure WebApp, AzureRoleEnvironmentTelemetryInitializer will not populate any context.
Assert.Null(telemetryItem.Context.Cloud.RoleName);
Assert.Null(telemetryItem.Context.Cloud.RoleInstance);
Assert.Null(telemetryItem.Context.GetInternalContext().NodeName);
}
finally
{
Environment.SetEnvironmentVariable("WEBSITE_SITE_NAME", null);
}
}
public void AzureRoleEnvironmentTelemetryInitializerLoadDllToSeparateAppDomain()
{
// A random dll which is not already loaded to the current AppDomain but dropped into bin folder.
string dllPath = Path.Combine(AppDomain.CurrentDomain.SetupInformation.ApplicationBase, "Microsoft.ApplicationInsights.Log4NetAppender.dll");
Assert.True(File.Exists(dllPath));
try
{
// Publish the dll to GAC to give a chance for AzureRoleEnvironmentTelemetryInitializer to load it to a new AppDomain
new System.EnterpriseServices.Internal.Publish().GacInstall(dllPath);
// Validate that the dll is not loaded to test AppDomaion to begin with.
var retrievedAssembly = AppDomain.CurrentDomain.GetAssemblies().FirstOrDefault(item => string.Equals(item.GetName().Name, "Microsoft.ApplicationInsights.Log4NetAppender", StringComparison.OrdinalIgnoreCase));
Assert.Null(retrievedAssembly);
// TestAssemblyLoader will load a random assembly (Microsoft.ApplicationInsights.Log4NetAppender.dll) and populate TestRoleName, TestRoleInstanceId into the fields.
AzureRoleEnvironmentContextReader.AssemblyLoaderType = typeof(TestAzureServiceRuntimeAssemblyLoader);
AzureRoleEnvironmentContextReader.Instance = null;
// Create initializer - this will internally create separate appdomain and load assembly into it.
AzureRoleEnvironmentTelemetryInitializer initializer = new AzureRoleEnvironmentTelemetryInitializer();
// Validate that the dll is still not loaded to current appdomain.
retrievedAssembly = AppDomain.CurrentDomain.GetAssemblies().FirstOrDefault(item => string.Equals(item.GetName().Name, "Microsoft.ApplicationInsights.Log4NetAppender", StringComparison.OrdinalIgnoreCase));
Assert.Null(retrievedAssembly);
// Validate that initializer has populated expected context properties. (set by TestAssemblyLoader)
var telemetryItem = new EventTelemetry();
initializer.Initialize(telemetryItem);
Assert.Equal("TestRoleName", telemetryItem.Context.Cloud.RoleName);
Assert.Equal("TestRoleInstanceId", telemetryItem.Context.Cloud.RoleInstance);
}
finally
{
new System.EnterpriseServices.Internal.Publish().GacRemove(dllPath);
}
}