public void IsEnabled_MultipleExperimentsOverriddenWithDifferentEnvVars_DoNotConflict()
{
var forcedOffExperiment = new ExperimentationConstants("TestExp1", "TEST_EXP_1");
var forcedOnExperiment = new ExperimentationConstants("TestExp2", "TEST_EXP_2");
var noOverrideExperiment = new ExperimentationConstants("TestExp3", "TEST_EXP_3");
var flightsEnabled = new Dictionary <string, bool>()
{
{ forcedOffExperiment.FlightFlag, true },
{ forcedOnExperiment.FlightFlag, true },
{ noOverrideExperiment.FlightFlag, true },
};
var envVars = new Dictionary <string, string>()
{
{ forcedOnExperiment.FlightEnvironmentVariable, "1" },
{ forcedOffExperiment.FlightEnvironmentVariable, "0" },
};
var envVarWrapper = new TestEnvironmentVariableReader(envVars);
var service = new NuGetExperimentationService(envVarWrapper, new TestVisualStudioExperimentalService(flightsEnabled), _outputConsoleProvider);
service.IsExperimentEnabled(forcedOffExperiment).Should().BeFalse();
service.IsExperimentEnabled(forcedOnExperiment).Should().BeTrue();
service.IsExperimentEnabled(noOverrideExperiment).Should().BeTrue();
OutputMessages.Should().ContainMatch($"*{forcedOffExperiment.FlightFlag}*{forcedOffExperiment.FlightEnvironmentVariable}*0*");
OutputMessages.Should().ContainMatch($"*{forcedOnExperiment.FlightFlag}*{forcedOnExperiment.FlightEnvironmentVariable}*1*");
OutputMessages.Should().NotContainMatch($"*{noOverrideExperiment.FlightFlag}*{noOverrideExperiment.FlightEnvironmentVariable}*");
}
public void IsEnabled_WithNullEnvironmentVariableForConstant_HandlesGracefully()
{
var service = new NuGetExperimentationService(new EnvironmentVariableWrapper(), new TestVisualStudioExperimentalService(), _outputConsoleProvider);
var constant = new ExperimentationConstants("flag", null);
service.IsExperimentEnabled(constant).Should().BeFalse();
OutputMessages.Should().NotContainMatch($"*{constant.FlightFlag}*{constant.FlightEnvironmentVariable}*");
}
internal static async Task <bool> IsExperimentEnabledAsync(ExperimentationConstants exp)
{
bool isExpEnabled;
try
{
var svc = await ServiceLocator.GetComponentModelServiceAsync <INuGetExperimentationService>();
isExpEnabled = svc?.IsExperimentEnabled(exp) ?? false;
}
catch (ServiceUnavailableException)
{
isExpEnabled = false;
}
return(isExpEnabled);
}
public void Constructor_WithNullFlightExperimentalVariable_DoesNotThrow()
{
var constant = new ExperimentationConstants("value", null);
constant.FlightEnvironmentVariable.Should().BeNull();
}