/// <summary>
/// Create a new accessor to resolve feature behavior based on specified rules.
/// </summary>
protected internal FeatureToggleAccessor(
IFeatureToggleClient featureToggleClient,
string featureName,
string defaultTreatment,
string forceTreatment,
IDictionary <string, Func <T> > treatments)
{
if (defaultTreatment == null)
{
throw new InvalidOperationException("Cannot build a feature without default treatment defined.");
}
if (!treatments.ContainsKey(defaultTreatment))
{
throw new InvalidOperationException("Default treatment does not match a defined treatment.");
}
if (!string.IsNullOrEmpty(forceTreatment) && !treatments.ContainsKey(forceTreatment))
{
throw new InvalidOperationException("Forced treatment does not match a defined treatment.");
}
_client = featureToggleClient;
_featureName = featureName;
_defaultTreatment = defaultTreatment;
_forceTreatment = forceTreatment;
_treatments = treatments;
}
public override void OnActionExecuting(ActionExecutingContext context)
{
IFeatureToggleClient _featureToggleClient = context.HttpContext.RequestServices.GetService(typeof(IFeatureToggleClient)) as IFeatureToggleClient;
if (_featureToggleClient != null)
{
if (!_featureToggleClient.IsValid(_toggle))
{
context.Result = new NotFoundResult();
}
}
}
public ForcedBooleanFeatureAccessorDemo(IFeatureToggleClient featureToggleClient, string forceTreatment)
: base(
featureToggleClient,
featureName: "BooleanFeature",
defaultTreatment: "Disabled",
forceTreatment: forceTreatment,
treatments: new Dictionary <string, Func <bool> >()
{
["Disabled"] = () => false,
["Enabled"] = () => true
})
{
}
public DateBehaviorAccessorDemo(IFeatureToggleClient featureToggleClient)
: base(
featureToggleClient,
featureName: "DateBehavior",
defaultTreatment: "ISO",
forceTreatment: null,
treatments: new Dictionary <string, Func <Func <DateTime, string> > >()
{
["ISO"] = () => (date => date.ToString("yyyy-MM-dd")),
["English"] = () => (date => date.ToString("MM/dd/yyyy")),
["Spanish"] = () => (date => date.ToString("dd/MM/yyyy"))
})
{
}
public FeatureToggleAccessorBuilder(IFeatureToggleClient splitClient, string featureName)
{
_splitClient = splitClient;
_featureName = featureName ?? throw new ArgumentNullException(nameof(featureName));
}
public static FeatureToggleAccessorBuilder <TArg1, TArg2, TArg3, TResult> CreateFeature <TArg1, TArg2, TArg3, TResult>(
this IFeatureToggleClient splitClient,
string featureName)
=> new FeatureToggleAccessorBuilder <TArg1, TArg2, TArg3, TResult>(splitClient, featureName);
public static FeatureToggleAccessorBuilder <T> CreateFeature <T>(
this IFeatureToggleClient splitClient,
string featureName)
=> new FeatureToggleAccessorBuilder <T>(splitClient, featureName);
public FeatureToggleClientTests()
{
_messageBus = Substitute.For <IMessageBus>();
_cut = new FeatureToggleClient(NullLogger.Instance, _messageBus);
}
