/// <summary>
/// Appends <paramref name="notifiers"/> to existing <see cref="Notifier"/> making all of them used during notification.
/// </summary>
/// <param name="notifiers">Notifiers to append</param>
/// <returns>Self</returns>
/// <exception cref="ArgumentNullException">Throws when <paramref name="notifiers"/> collection or any of it's item is null.</exception>
public FeatureProgressNotifierConfiguration AppendNotifiers(params IFeatureProgressNotifier[] notifiers)
{
ThrowIfSealed();
if (notifiers == null)
{
throw new ArgumentNullException(nameof(notifiers));
}
Notifier = DelegatingFeatureProgressNotifier.Compose(Enumerable.Repeat(Notifier, 1).Concat(notifiers));
return(this);
}
public void Compose_should_flatten_notifiers_and_return_NoProgressNotifier_if_no_specific_notifiers_are_present()
{
var result = DelegatingFeatureProgressNotifier.Compose(new IFeatureProgressNotifier[]
{
new DelegatingFeatureProgressNotifier(
NoProgressNotifier.Default,
NoProgressNotifier.Default,
new DelegatingFeatureProgressNotifier(),
new DelegatingFeatureProgressNotifier(NoProgressNotifier.Default)),
NoProgressNotifier.Default,
new DelegatingFeatureProgressNotifier()
});
Assert.That(result, Is.TypeOf <NoProgressNotifier>());
}
public void Compose_should_flatten_notifiers_and_return_specific_one_if_only_one_is_present()
{
var specific = Mock.Of <IFeatureProgressNotifier>();
var result = DelegatingFeatureProgressNotifier.Compose(new IFeatureProgressNotifier[]
{
new DelegatingFeatureProgressNotifier(
NoProgressNotifier.Default,
NoProgressNotifier.Default,
new DelegatingFeatureProgressNotifier(),
new DelegatingFeatureProgressNotifier(NoProgressNotifier.Default, specific)),
NoProgressNotifier.Default,
new DelegatingFeatureProgressNotifier()
});
Assert.That(result, Is.SameAs(specific));
}
public void Compose_should_flatten_notifiers()
{
var specific1 = Mock.Of <IFeatureProgressNotifier>();
var specific2 = Mock.Of <IFeatureProgressNotifier>();
var result = DelegatingFeatureProgressNotifier.Compose(new[]
{
new DelegatingFeatureProgressNotifier(
NoProgressNotifier.Default,
NoProgressNotifier.Default,
new DelegatingFeatureProgressNotifier(),
new DelegatingFeatureProgressNotifier(NoProgressNotifier.Default, specific1)),
NoProgressNotifier.Default,
new DelegatingFeatureProgressNotifier(),
specific2
});
Assert.That(result, Is.TypeOf <DelegatingFeatureProgressNotifier>());
Assert.That(
((DelegatingFeatureProgressNotifier)result).Notifiers,
Is.EqualTo(new[] { specific1, specific2 }));
}
public void SetUp()
{
_notifiers = new[] { Mock.Of <IFeatureProgressNotifier>(), Mock.Of <IFeatureProgressNotifier>() };
_subject = new DelegatingFeatureProgressNotifier(_notifiers);
}
