public async Task SubmitAsync_Cancel_DomainClientCancel()
{
var mockDomainClient = new CitiesMockDomainClient();
Cities.CityDomainContext ctx = new Cities.CityDomainContext(mockDomainClient);
// If cancellation results in request beeing cancelled the result should be cancelled
var tcs = new TaskCompletionSource <SubmitCompletedResult>();
using var cts = new CancellationTokenSource();
mockDomainClient.SubmitCompletedResult = tcs.Task;
ctx.Cities.Add(new City()
{
Name = "NewCity", StateName = "NN", CountyName = "NewCounty"
});
var submitTask = ctx.SubmitChangesAsync(cts.Token);
cts.Cancel();
Assert.IsTrue(ctx.IsSubmitting);
Assert.IsTrue(ctx.Cities.First().IsSubmitting, "entity should be in submitting state");
// Return cancellation from domain client
tcs.TrySetCanceled(cts.Token);
await ExceptionHelper.ExpectExceptionAsync <TaskCanceledException>(() => submitTask);
Assert.IsTrue(submitTask.IsCanceled);
Assert.IsFalse(ctx.IsSubmitting);
Assert.IsFalse(ctx.Cities.First().IsSubmitting, "entity should not be in submitting state");
}
public async Task SubmitAsync_Cancel_DomainClientCompletes()
{
var mockDomainClient = new CitiesMockDomainClient();
Cities.CityDomainContext ctx = new Cities.CityDomainContext(mockDomainClient);
// If cancellation results in request beeing cancelled the result should be cancelled
using var cts = new CancellationTokenSource();
mockDomainClient.SubmitCompletedCallback = async(changeSet, submitOperations) =>
{
// Wait for cancellation, and then return successfully without cancellation
try
{
await Task.Delay(-1, cts.Token);
}
catch (OperationCanceledException)
{
// Do nothing this is the expected outcome
}
// perform mock submit operations
SubmitCompletedResult submitResults = new SubmitCompletedResult(changeSet, submitOperations);
return(submitResults);
};
ctx.Cities.Add(new City()
{
Name = "NewCity", StateName = "NN", CountyName = "NewCounty"
});
var submitTask = ctx.SubmitChangesAsync(cts.Token);
Assert.IsTrue(ctx.IsSubmitting);
Assert.IsTrue(ctx.Cities.First().IsSubmitting, "entity should be in submitting state");
cts.Cancel();
var result = await submitTask;
Assert.IsFalse(ctx.IsSubmitting);
Assert.IsFalse(ctx.Cities.First().IsSubmitting, "entity should not be in submitting state");
}
public async Task SubmitAsync_Exceptions()
{
var mockDomainClient = new CitiesMockDomainClient();
Cities.CityDomainContext ctx = new Cities.CityDomainContext(mockDomainClient);
DomainOperationException ex = new DomainOperationException("Submit Failed!", OperationErrorStatus.ServerError, 42, "StackTrace");
// If cancellation results in request beeing cancelled the result should be cancelled
mockDomainClient.SubmitCompletedResult = Task.FromException <SubmitCompletedResult>(ex);
ctx.Cities.Add(new City()
{
Name = "NewCity", StateName = "NN", CountyName = "NewCounty"
});
Assert.IsTrue(ctx.EntityContainer.HasChanges);
var submitEx = await ExceptionHelper.ExpectExceptionAsync <SubmitOperationException>(() => ctx.SubmitChangesAsync());
// verify the exception properties
Assert.AreEqual(string.Format(Resource.DomainContext_SubmitOperationFailed, ex.Message), submitEx.Message);
Assert.AreEqual(ex.StackTrace, submitEx.StackTrace);
Assert.AreEqual(ex.Status, submitEx.Status);
Assert.AreEqual(ex.ErrorCode, submitEx.ErrorCode);
Assert.IsTrue(ctx.EntityContainer.HasChanges);
// now test with validation exception
var changeSet = ctx.EntityContainer.GetChanges();
IEnumerable <ChangeSetEntry> entries = ChangeSetBuilder.Build(changeSet);
ChangeSetEntry entry = entries.First();
entry.ValidationErrors = new ValidationResultInfo[] { new ValidationResultInfo("Foo", new string[] { "Bar" }) };
mockDomainClient.SubmitCompletedResult = Task.FromResult(new SubmitCompletedResult(changeSet, entries));
submitEx = await ExceptionHelper.ExpectExceptionAsync <SubmitOperationException>(() => ctx.SubmitChangesAsync());
// verify the exception properties
Assert.AreEqual(Resource.DomainContext_SubmitOperationFailed_Validation, submitEx.Message);
Assert.AreEqual(OperationErrorStatus.ValidationFailed, submitEx.Status);
Assert.AreEqual(1, submitEx.EntitiesInError.Count);
Assert.AreEqual(entry.ClientEntity, submitEx.EntitiesInError.First());
// now test again with conflicts
entries = ChangeSetBuilder.Build(changeSet);
entry = entries.First();
entry.ConflictMembers = new string[] { nameof(City.CountyName) };
entry.StoreEntity = new City()
{
CountyName = "OtherCounty"
};
mockDomainClient.SubmitCompletedResult = Task.FromResult(new SubmitCompletedResult(changeSet, entries));
submitEx = await ExceptionHelper.ExpectExceptionAsync <SubmitOperationException>(() => ctx.SubmitChangesAsync());
// verify the exception properties
Assert.AreEqual(Resource.DomainContext_SubmitOperationFailed_Conflicts, submitEx.Message);
Assert.AreEqual(OperationErrorStatus.Conflicts, submitEx.Status);
Assert.AreEqual(1, submitEx.EntitiesInError.Count);
Assert.AreEqual(entry.ClientEntity, submitEx.EntitiesInError.First());
}
