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 void Invoke_ValidationErrors()
{
var mockDomainClient = new CitiesMockDomainClient();
ValidationResult[] validationErrors = new ValidationResult[] { new ValidationResult("Foo", new string[] { "Bar" }) };
mockDomainClient.InvokeCompletedResult = Task.FromResult(new InvokeCompletedResult(null, validationErrors));
Cities.CityDomainContext ctx = new Cities.CityDomainContext(mockDomainClient);
string myState = "Test User State";
InvokeOperation invoke = ctx.Echo("TestInvoke", TestHelperMethods.DefaultOperationAction, myState);
this.EnqueueCompletion(() => invoke);
EnqueueCallback(delegate
{
Assert.IsNotNull(invoke.Error);
Assert.AreSame(myState, invoke.UserState);
CollectionAssert.AreEqual(validationErrors, (ICollection)invoke.ValidationErrors);
// verify the exception properties
var ex = (DomainOperationException)invoke.Error;
Assert.AreEqual(OperationErrorStatus.ValidationFailed, ex.Status);
CollectionAssert.AreEqual(validationErrors, (ICollection)ex.ValidationErrors);
Assert.AreEqual(string.Format(Resource.DomainContext_InvokeOperationFailed_Validation, "Echo"), ex.Message);
});
EnqueueTestComplete();
}
public async Task Load_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 <QueryCompletedResult>();
mockDomainClient.QueryCompletedResult = tcs.Task;
var loadOp = ctx.Load(ctx.GetCitiesQuery());
loadOp.Cancel();
Assert.IsTrue(loadOp.IsCancellationRequested);
Assert.IsTrue(ctx.IsLoading);
Assert.IsFalse(loadOp.IsCanceled);
Assert.IsFalse(loadOp.IsComplete);
tcs.TrySetCanceled(loadOp.CancellationToken);
await loadOp;
Assert.IsFalse(ctx.IsLoading);
Assert.IsTrue(loadOp.IsCanceled);
Assert.IsTrue(loadOp.IsComplete);
Assert.IsFalse(loadOp.HasError, "Cancelled operation should not have any error");
}
public async Task Submit_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>();
mockDomainClient.SubmitCompletedResult = tcs.Task;
ctx.Cities.Add(new City()
{
Name = "NewCity", StateName = "NN", CountyName = "NewCounty"
});
var submitOp = ctx.SubmitChanges();
submitOp.Cancel();
Assert.IsTrue(submitOp.IsCancellationRequested);
Assert.IsFalse(submitOp.IsCanceled);
Assert.IsTrue(ctx.IsSubmitting);
Assert.IsTrue(ctx.Cities.First().IsSubmitting, "entity should be in submitting state");
tcs.TrySetCanceled(submitOp.CancellationToken);
await submitOp;
// Return cancellation from domain client
Assert.IsTrue(submitOp.IsCanceled);
Assert.IsFalse(ctx.IsSubmitting);
Assert.IsFalse(ctx.Cities.First().IsSubmitting, "entity should not be in submitting state");
}
public async Task LoadAsync_Cancel_DomainClientCompletes()
{
var mockDomainClient = new CitiesMockDomainClient();
Cities.CityDomainContext ctx = new Cities.CityDomainContext(mockDomainClient);
var city = new City()
{
Name = "NewCity", StateName = "NN", CountyName = "NewCounty"
};
// If cancellation results in request beeing cancelled the result should be cancelled
var tcs = new TaskCompletionSource <QueryCompletedResult>();
using var cts = new CancellationTokenSource();
mockDomainClient.QueryCompletedResult = tcs.Task;
var loadTask = ctx.LoadAsync(ctx.GetCitiesQuery(), cts.Token);
cts.Cancel();
tcs.SetResult(new QueryCompletedResult(new[] { city }, Array.Empty <Entity>(), -1, Array.Empty <ValidationResult>()));
var result = await loadTask;
Assert.AreEqual(1, result.Entities.Count);
Assert.AreSame(city, result.Entities.First());
}
public void Load_ValidationErrors()
{
var mockDomainClient = new CitiesMockDomainClient();
ValidationResult[] validationErrors = new ValidationResult[] { new ValidationResult("Foo", new string[] { "Bar" }) };
mockDomainClient.QueryCompletedResult = Task.FromResult(new QueryCompletedResult(Enumerable.Empty <Entity>(), Enumerable.Empty <Entity>(), 0, validationErrors));
Cities.CityDomainContext ctx = new Cities.CityDomainContext(mockDomainClient);
string myState = "Test User State";
LoadOperation <Cities.City> loadOperation = ctx.Load(ctx.GetCitiesQuery(), LoadBehavior.RefreshCurrent, l => l.MarkErrorAsHandled(), myState);;
this.EnqueueCompletion(() => loadOperation);
EnqueueCallback(delegate
{
Assert.AreSame(myState, loadOperation.UserState);
CollectionAssert.AreEqual(validationErrors, (ICollection)loadOperation.ValidationErrors);
// verify the exception properties
var ex = loadOperation.Error as DomainOperationException;
Assert.IsNotNull(ex, "expected exception of type DomainOperationException");
Assert.AreEqual(OperationErrorStatus.ValidationFailed, ex.Status);
Assert.AreEqual(string.Format(Resource.DomainContext_LoadOperationFailed_Validation, "GetCities"), ex.Message);
});
EnqueueTestComplete();
}
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());
}
public async Task LoadAsync_ValidationErrors()
{
var mockDomainClient = new CitiesMockDomainClient();
ValidationResult[] validationErrors = new ValidationResult[] { new ValidationResult("Foo", new string[] { "Bar" }) };
mockDomainClient.QueryCompletedResult = Task.FromResult(new QueryCompletedResult(Enumerable.Empty <Entity>(), Enumerable.Empty <Entity>(), 0, validationErrors));
Cities.CityDomainContext ctx = new Cities.CityDomainContext(mockDomainClient);
var ex = await ExceptionHelper.ExpectExceptionAsync <DomainOperationException>(
() => ctx.LoadAsync(ctx.GetCitiesQuery()),
string.Format(Resource.DomainContext_LoadOperationFailed_Validation, "GetCities"));
// verify the exception properties
Assert.AreEqual(OperationErrorStatus.ValidationFailed, ex.Status);
CollectionAssert.AreEqual(validationErrors, (ICollection)ex.ValidationErrors);
}
public async Task InvokeAsync_ValidationErrors()
{
var mockDomainClient = new CitiesMockDomainClient();
ValidationResult[] validationErrors = new ValidationResult[] { new ValidationResult("Foo", new string[] { "Bar" }) };
mockDomainClient.InvokeCompletedResult = Task.FromResult(new InvokeCompletedResult(null, validationErrors));
Cities.CityDomainContext ctx = new Cities.CityDomainContext(mockDomainClient);
var ex = await ExceptionHelper.ExpectExceptionAsync <DomainOperationException>(
() => ctx.EchoAsync("TestInvoke"),
string.Format(Resource.DomainContext_InvokeOperationFailed_Validation, "Echo"));
// verify the exception properties
Assert.AreEqual(OperationErrorStatus.ValidationFailed, ex.Status);
CollectionAssert.AreEqual(validationErrors, (ICollection)ex.ValidationErrors);
}
public void CancellationSupport()
{
var domainClient = new CitiesMockDomainClient();
domainClient.SetSupportsCancellation(false);
Cities.CityDomainContext ctx = new Cities.CityDomainContext(domainClient);
var query = ctx.GetCitiesQuery();
LoadOperation lo = ctx.Load(query, false);
Assert.IsFalse(lo.CanCancel, "Cancellation should not be supported.");
Assert.IsFalse(ctx.DomainClient.SupportsCancellation, "Cancellation should not be supported.");
ExceptionHelper.ExpectException <NotSupportedException>(delegate
{
lo.Cancel();
}, string.Format(CultureInfo.CurrentCulture, Resources.AsyncOperation_CancelNotSupported));
}
public async Task InvokeAsync_DomainOperationException()
{
var mockDomainClient = new CitiesMockDomainClient();
DomainOperationException exception = new DomainOperationException("Operation Failed!", OperationErrorStatus.ServerError, 42, "StackTrace");
mockDomainClient.InvokeCompletedResult = Task.FromException <InvokeCompletedResult>(exception);
Cities.CityDomainContext ctx = new Cities.CityDomainContext(mockDomainClient);
var ex = await ExceptionHelper.ExpectExceptionAsync <DomainOperationException>(
() => ctx.EchoAsync("TestInvoke"),
string.Format(Resource.DomainContext_InvokeOperationFailed, "Echo", exception.Message));
// verify the exception properties
Assert.AreEqual(null, ex.InnerException);
Assert.AreEqual(ex.StackTrace, exception.StackTrace);
Assert.AreEqual(ex.Status, exception.Status);
Assert.AreEqual(ex.ErrorCode, exception.ErrorCode);
}
public async Task InvokeAsync_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 <InvokeCompletedResult>();
using var cts = new CancellationTokenSource();
mockDomainClient.InvokeCompletedResult = tcs.Task;
var invokeTask = ctx.EchoAsync("TestInvoke", cts.Token);
cts.Cancel();
tcs.TrySetCanceled(cts.Token);
await ExceptionHelper.ExpectExceptionAsync <TaskCanceledException>(() => invokeTask);
Assert.IsTrue(invokeTask.IsCanceled);
}
public async Task InvokeAsync_Cancel_DomainClientCompletes()
{
var mockDomainClient = new CitiesMockDomainClient();
Cities.CityDomainContext ctx = new Cities.CityDomainContext(mockDomainClient);
// If the web requires returns a value even if cancelled
// It should still return a result
var tcs = new TaskCompletionSource <InvokeCompletedResult>();
using var cts = new CancellationTokenSource();
mockDomainClient.InvokeCompletedResult = tcs.Task;
var invokeTask = ctx.EchoAsync("TestInvoke", cts.Token);
cts.Cancel();
tcs.SetResult(new InvokeCompletedResult("Res"));
var res = await invokeTask;
Assert.AreEqual("Res", res.Value);
}
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 LoadAsync_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 <QueryCompletedResult>();
using var cts = new CancellationTokenSource();
mockDomainClient.QueryCompletedResult = tcs.Task;
var loadTask = ctx.LoadAsync(ctx.GetCitiesQuery(), cts.Token);
Assert.IsTrue(ctx.IsLoading);
cts.Cancel();
tcs.TrySetCanceled(cts.Token);
await ExceptionHelper.ExpectExceptionAsync <OperationCanceledException>(() => loadTask, allowDerivedExceptions : true);
Assert.IsTrue(loadTask.IsCanceled);
Assert.IsFalse(ctx.IsLoading);
}
