public async Task Handle(CreateDatasetVerb verb)
{
if (string.IsNullOrEmpty(verb.Id))
{
verb.Id = Guid.NewGuid().ToString();
}
logger.Log($"Creating dataset {verb.Id}");
var emptyDataset = new EmptyDataset(verb.Id);
await datasetService.Set(emptyDataset);
}
public async Task Dataset_InMemoryCRUD()
{
var id = "ANewId";
var logger = (TestLogger)Resolve <ILogger>();
var datasetService = Resolve <IDatasetService>();
var createHandler = Resolve <ICreateDatasetHandler>();
var readHandler = Resolve <IReadDatasetHandler>();
var updateHandler = Resolve <IUpdateDatasetHandler>();
var deleteHandler = Resolve <IDeleteDatasetHandler>();
// create
var createVerb = new CreateDatasetVerb();
createVerb.Id = id;
createHandler.Handle(createVerb).Wait();
var ds = await datasetService.Get <EmptyDataset>(id);
Assert.IsNotNull(ds);
Assert.AreEqual(ds.Id, id);
Assert.AreEqual(ds.Type.Value, DatasetTypes.Empty.Value);
// update inline
var updateVerb = new UpdateDatasetVerb();
updateVerb.Id = id;
updateVerb.Label = "ALabel";
updateVerb.Type = DatasetTypes.SingleClassImage.Value;
updateVerb.Url = "http://example.com/pcture.jpeg";
updateHandler.Handle(updateVerb).Wait();
var singleClassDs = await datasetService.Get <SingleClassImageDataset>(id);
Assert.IsNotNull(singleClassDs);
Assert.AreEqual(singleClassDs.Id, id);
Assert.AreEqual(singleClassDs.Type.Value, DatasetTypes.SingleClassImage.Value);
// read the data
var readVerb = new ReadDatasetVerb();
readVerb.Id = id;
readHandler.Handle(readVerb).Wait();
Assert.IsTrue(logger.Messages.Any(m => m.Contains($"{id} is of type {DatasetTypes.SingleClassImage.Value}")));
Assert.IsTrue(logger.Messages.Any(m => m.Contains($"1")));
// delete the dataset
var deleteVerb = new DeleteDatasetVerb();
deleteVerb.Id = createVerb.Id;
deleteHandler.Handle(deleteVerb).Wait();
await Assert.ThrowsExceptionAsync <DatasetNotFoundException>(() => datasetService.Get <EmptyDataset>(createVerb.Id));
}