public async Task PersistedTheSpecifiedSnapshot()
{
(var persistenceProvider, var subject) = CreateSubject();
var snapshot = new Examiner.Service.State.Snapshot {
LastTrainingDataUpdate = DateTimeOffset.Parse("2020-05-21T10:15:00")
};
await subject.SetStateSnapshotAsync(snapshot, CancellationToken.None);
A.CallTo(() => persistenceProvider.SetBlobContentAsync(ConnectionString, ContainerName, A <string> .Ignored, A <Func <Stream, Task> > .Ignored, A <CancellationToken> .Ignored));
}
public async Task GetBalancedFaceDataWhenProcessing()
{
(var faceDataProvider, var recognitionEngine, var modelPersistor, var subject) = CreateSubject();
var snapshot = new Examiner.Service.State.Snapshot {
LastTrainingDataUpdate = new DateTimeOffset(2020, 02, 17, 0, 0, 0, TimeSpan.Zero)
};
var result = await subject.ProcessAsync(snapshot, CancellationToken.None);
A.CallTo(() => faceDataProvider.GetBalancedItems(A <CancellationToken> .Ignored)).MustHaveHappenedOnceExactly();
}
public async Task NotRequireProcessingIfSnapshotLastUpdateIsEqualToLatestFaceData()
{
(var faceDataProvider, var recognitionEngine, var modelPersistor, var subject) = CreateSubject();
A.CallTo(() => faceDataProvider.GetDateOfLastChangeAsync(A <CancellationToken> .Ignored)).Returns(new DateTimeOffset(2020, 02, 17, 0, 0, 0, TimeSpan.Zero));
var snapshot = new Examiner.Service.State.Snapshot {
LastTrainingDataUpdate = new DateTimeOffset(2020, 02, 17, 0, 0, 0, TimeSpan.Zero)
};
var result = await subject.RequiresProcessingAsync(snapshot, CancellationToken.None);
Assert.That(result, Is.False);
}
public async Task PersistRecognitionModelWhenProcessing()
{
(var faceDataProvider, var recognitionEngine, var modelPersistor, var subject) = CreateSubject();
var snapshot = new Examiner.Service.State.Snapshot {
LastTrainingDataUpdate = new DateTimeOffset(2020, 02, 17, 0, 0, 0, TimeSpan.Zero)
};
var model = A.Fake <Examiner.Face.Recognition.IModel>();
A.CallTo(() => recognitionEngine.TrainAsync(A <IAsyncEnumerable <Examiner.Face.Data.Item> > .Ignored, A <CancellationToken> .Ignored)).Returns(Task.FromResult(model));
var result = await subject.ProcessAsync(snapshot, CancellationToken.None);
A.CallTo(() => modelPersistor.SaveModelAsync(model, A <CancellationToken> .Ignored)).MustHaveHappenedOnceExactly();
}
