public void ValidateMethodShouldCallNotifyEvent()
{
ThreadManager.ImmediateInvokeAsync = true;
ThreadManager.ImmediateInvokeOnUiThreadAsync = true;
ThreadManager.ImmediateInvokeOnUiThread = true;
int countInvoke = 0;
ValidatableViewModel viewModel = GetValidatableViewModel();
INotifyDataErrorInfo notifyDataError = viewModel;
notifyDataError.ErrorsChanged += (sender, args) =>
{
args.PropertyName.ShouldEqual(PropToValidate1);
countInvoke++;
};
var validator = viewModel.AddValidator <SpyValidator>(new object());
notifyDataError.HasErrors.ShouldBeFalse();
validator.SetErrors(PropToValidate1, PropToValidate1);
countInvoke.ShouldEqual(1);
validator.SetErrors(PropToValidate1, PropToValidate2);
countInvoke.ShouldEqual(2);
notifyDataError.HasErrors.ShouldBeTrue();
//NOTE: Event is not invoked, if errors is not changed.
/*viewModel.ValidateAsync(PropToValidate1);
* countInvoke.ShouldEqual(2);*/
}
public void AddChildValidatableCollection_ChildCollectionIsNullOrEmpty_NoErrorsAreAdded()
{
TestUtils.ExecuteWithDispatcher((uiThreadDispatcher, completedAction) =>
{
// ARRANGE
var parent = new ValidatableViewModel();
parent.Validator.AddChildValidatableCollection(() => parent.Children);
// ACT
parent.Validator.ValidateAllAsync().ContinueWith(r1 =>
{
// VERIFY
Assert.True(r1.Result.IsValid, "Validation must not fail");
// ARRANGE
parent.Children = new List <IValidatable>();
// ACT
parent.Validator.ValidateAllAsync().ContinueWith(r2 =>
{
// VERIFY
Assert.True(r2.Result.IsValid, "Validation must not fail.");
completedAction();
});
});
});
}
internal ValidationContainer(
ValidatableViewModel <T> viewModel,
IReadOnlyCollection <PropertyValidation> propertyValidations)
{
_viewModel = viewModel;
_propertyValidations = propertyValidations;
}
public void AddChildValidatableCollection_AddsRuleThatExecutedValidationOnAllValidatableChildren()
{
TestUtils.ExecuteWithDispatcher((uiThreadDispatcher, completedAction) =>
{
// ARRANGE
var parent = new ValidatableViewModel();
var child1 = new ValidatableViewModel();
var child2 = new ValidatableViewModel();
parent.Children = new List <IValidatable>
{
child1,
child2
};
child1.Validator.AddRequiredRule(() => child1.Foo, "Error1");
child2.Validator.AddRule(RuleResult.Valid);
parent.Validator.AddChildValidatableCollection(() => parent.Children);
// ACT
parent.Validator.ValidateAllAsync().ContinueWith(result =>
{
// VERIFY
Assert.False(result.Result.IsValid, "Validation must fail");
Assert.Equal("Error1", result.Result.ErrorList[0].ErrorText);
completedAction();
});
});
}
public void AddChildValidatableCollection_MoreThan64Items_DoesNotFail()
{
TestUtils.ExecuteWithDispatcher((uiThreadDispatcher, completedAction) =>
{
// ARRANGE
var parent = new ValidatableViewModel();
var children = new List <IValidatable>();
for (int i = 0; i < 65; i++)
{
var child = new ValidatableViewModel();
child.Validator.AddRule(RuleResult.Valid);
children.Add(child);
}
parent.Children = children;
parent.Validator.AddChildValidatableCollection(() => parent.Children);
// ACT
parent.Validator.ValidateAllAsync().ContinueWith(result =>
{
// VERIFY
uiThreadDispatcher.BeginInvoke(new Action(() =>
{
Assert.Null(result.Exception);
Assert.True(result.Result.IsValid, "Validation must pass");
completedAction();
}));
});
});
}
public void AddChildValidatableCollection_OneRuleThrowsException_EntireValidationFails()
{
TestUtils.ExecuteWithDispatcher((uiThreadDispatcher, completedAction) =>
{
// ARRANGE
var parent = new ValidatableViewModel();
var child1 = new ValidatableViewModel();
var child2 = new ValidatableViewModel();
parent.Children = new List <IValidatable>
{
child1,
child2
};
parent.Validator.AddAsyncRule(() => TaskEx.FromResult(RuleResult.Valid()));
child1.Validator.AddAsyncRule(
() => Task.Factory.StartNew <RuleResult>(() => { throw new FakeException(); }));
child2.Validator.AddAsyncRule(() => TaskEx.FromResult(RuleResult.Valid()));
parent.Validator.AddChildValidatableCollection(() => parent.Children);
// ACT
parent.Validator.ValidateAllAsync().ContinueWith(r1 =>
{
uiThreadDispatcher.BeginInvoke(new Action(() =>
{
Assert.NotNull(r1.Exception);
Assert.IsType <FakeException>(ExceptionUtils.UnwrapException(r1.Exception));
completedAction();
}));
});
});
}
public void ValidateInstanceShouldValidateOnlyInstance()
{
ValidatableViewModel viewModel = GetValidatableViewModel();
ValidatorProvider.Register <SpyValidator>();
var instance = new object();
var instance2 = new object();
viewModel.AddInstance(instance);
viewModel.AddInstance(instance2);
viewModel.AddValidator <SpyValidator>(instance);
viewModel.GetValidators().Count.ShouldEqual(4);
viewModel.GetValidators().OfType <SpyValidator>().ForEach(validator => validator.ValidateAllCount = 0);
viewModel.ValidateInstanceAsync(instance);
foreach (SpyValidator result in viewModel.GetValidators().OfType <SpyValidator>())
{
if (result.Context.Instance == instance)
{
result.ValidateAllCount.ShouldEqual(1);
}
else
{
result.ValidateAllCount.ShouldEqual(0);
}
}
}
public void AddInstanceShouldGetValidatorsFromProviderEmpty()
{
ValidatableViewModel viewModel = GetValidatableViewModel();
var instance = new object();
viewModel.AddInstance(instance);
viewModel.GetValidators().Where(validator => validator != viewModel.Validator).ShouldBeEmpty();
}
public void VmShouldValidateSelfByDefault()
{
ValidatorProvider.Register <SpyValidator>();
ValidatableViewModel validatableViewModel = GetValidatableViewModel();
var validator = (SpyValidator)validatableViewModel.GetValidators().Single(validator1 => validator1 != validatableViewModel.Validator);
validator.Context.Instance.ShouldEqual(validatableViewModel);
}
public static void Initialize(this ValidatableViewModel validatableViewModel, System.Action initializationAction)
{
validatableViewModel.IsNotifying = false;
initializationAction();
validatableViewModel.SetIsValid();
validatableViewModel.IsNotifying = true;
}
public void ClearErrorsShouldRedirectCallToValidators()
{
ValidatableViewModel viewModel = GetValidatableViewModel();
var validator1 = viewModel.AddValidator <SpyValidator>(new object());
var validator2 = viewModel.AddValidator <SpyValidator>(new object());
viewModel.ClearErrors();
validator1.ClearAllErrorsCount.ShouldEqual(1);
validator2.ClearAllErrorsCount.ShouldEqual(1);
}
public void RemoveValidatorGenericShouldBeRemoveFromValidators()
{
var o = new object();
ValidatableViewModel viewModel = GetValidatableViewModel();
var validator = viewModel.AddValidator <SpyValidator>(o);
viewModel.GetValidators().Single(validator1 => validator1 != viewModel.Validator).ShouldEqual(validator);
viewModel.RemoveValidator(validator).ShouldBeTrue();
viewModel.GetValidators().Where(validator1 => validator1 != viewModel.Validator).ShouldBeEmpty();
}
public void AddedValidatorGenericShouldBeInValidators()
{
var o = new object();
ValidatableViewModel viewModel = GetValidatableViewModel();
var validator = viewModel.AddValidator <SpyValidator>(o);
validator.Context.ShouldNotBeNull();
validator.Context.Instance.ShouldEqual(o);
viewModel.GetValidators().Single(validator1 => validator1 != viewModel.Validator).ShouldEqual(validator);
}
public void AddedValidatorShouldBeInValidators()
{
var o = new object();
ValidatableViewModel viewModel = GetValidatableViewModel();
var validator = new SpyValidator();
validator.Initialize(viewModel.CreateContext(o));
viewModel.AddValidator(validator);
validator.Context.ShouldNotBeNull();
validator.Context.Instance.ShouldEqual(o);
viewModel.GetValidators().Single(validator1 => validator1 != viewModel.Validator).ShouldEqual(validator);
}
public void AddInstanceShouldGetValidatorsFromProviderNotEmpty()
{
ValidatableViewModel viewModel = GetValidatableViewModel();
ValidatorProvider.Register <SpyValidator>();
var instance = new object();
viewModel.AddInstance(instance);
viewModel.GetValidators().Single(validator => validator != viewModel.Validator)
.Context
.Instance
.ShouldEqual(instance);
}
public void ValidateAllShouldRedirectCallToValidators()
{
const int count = 10;
ValidatableViewModel viewModel = GetValidatableViewModel();
ValidatorProvider.Register <SpyValidator>();
for (int i = 0; i < count; i++)
{
viewModel.AddInstance(new object());
}
viewModel.GetValidators().Count.ShouldEqual(count + 1);
viewModel.GetValidators().OfType <SpyValidator>().All(validator => validator.ValidateAllCount == 1).ShouldBeTrue();
}
public void CreateContextShouldCreateContextWithDefaultValuesFromVm()
{
var obj = new object();
ValidatableViewModel viewModel = GetValidatableViewModel();
IViewModel vm = viewModel;
IValidatorContext validatorContext = viewModel.CreateContext(obj);
validatorContext.ServiceProvider.ShouldEqual(vm.IocContainer);
validatorContext.ValidationMetadata.ShouldEqual(viewModel.Settings.Metadata);
validatorContext.PropertyMappings.ShouldEqual(viewModel.PropertyMappings);
validatorContext.IgnoreProperties.ShouldEqual(viewModel.IgnoreProperties);
validatorContext.Instance.ShouldEqual(obj);
validatorContext.ServiceProvider.ShouldEqual(vm.IocContainer);
}
public void RemoveInstanceShouldRemoveAllValidatorsAssociatedWithInstance()
{
ValidatableViewModel viewModel = GetValidatableViewModel();
ValidatorProvider.Register <SpyValidator>();
var instance = new object();
var instance2 = new object();
viewModel.AddInstance(instance);
viewModel.AddInstance(instance2);
viewModel.AddValidator <ManualValidator>(instance);
viewModel.GetValidators().Count.ShouldEqual(4);
viewModel.RemoveInstance(instance);
viewModel.GetValidators().Single(validator => validator != viewModel.Validator).Context.Instance.ShouldEqual(instance2);
}
protected virtual IValidatorAggregator GetValidatorAggregatorInternal()
{
ValidatableViewModel viewModel;
var iocContainer = ServiceProvider as IIocContainer;
IViewModelProvider viewModelProvider;
if (iocContainer != null && iocContainer.TryGet(out viewModelProvider))
{
viewModel = viewModelProvider.GetViewModel <ValidatableViewModel>();
}
else
{
viewModel = new ValidatableViewModel();
}
viewModel.ValidatorProvider = this;
return(viewModel);
}
public void IsValidShouldRedirectCallToValidators()
{
ValidatableViewModel viewModel = GetValidatableViewModel();
var validator1 = viewModel.AddValidator <SpyValidator>(new object());
var validator2 = viewModel.AddValidator <SpyValidator>(new object());
viewModel.IsValid.ShouldBeTrue();
validator1.SetErrors(PropToValidate1, PropToValidate1);
validator2.SetErrors(PropToValidate2, PropToValidate2);
viewModel.IsValid.ShouldBeFalse();
validator1.SetErrors(PropToValidate1);
viewModel.IsValid.ShouldBeFalse();
validator2.SetErrors(PropToValidate2);
viewModel.IsValid.ShouldBeTrue();
}
public void GetAllErrorsShouldRedirectCallToValidators()
{
ValidatableViewModel viewModel = GetValidatableViewModel();
var validator1 = viewModel.AddValidator <SpyValidator>(new object());
var validator2 = viewModel.AddValidator <SpyValidator>(new object());
viewModel.GetErrors().ShouldBeEmpty();
viewModel.GetErrors().ShouldBeEmpty();
validator1.SetErrors(PropToValidate1, PropToValidate1);
validator1.SetErrors(PropToValidate2, PropToValidate2);
validator2.SetErrors(PropToValidate1, PropToValidate2);
validator2.SetErrors(PropToValidate2, PropToValidate1);
IDictionary <string, IList <object> > errors = viewModel.GetErrors();
errors.Count.ShouldEqual(2);
errors[PropToValidate1].Count.ShouldEqual(2);
errors[PropToValidate1].Contains(PropToValidate1).ShouldBeTrue();
errors[PropToValidate1].Contains(PropToValidate2).ShouldBeTrue();
errors[PropToValidate2].Count.ShouldEqual(2);
errors[PropToValidate2].Contains(PropToValidate1).ShouldBeTrue();
errors[PropToValidate2].Contains(PropToValidate2).ShouldBeTrue();
validator1.SetErrors(PropToValidate1);
validator1.SetErrors(PropToValidate2);
errors = viewModel.GetErrors();
errors.Count.ShouldEqual(2);
errors[PropToValidate1].Count.ShouldEqual(1);
errors[PropToValidate1].Contains(PropToValidate2).ShouldBeTrue();
errors[PropToValidate2].Count.ShouldEqual(1);
errors[PropToValidate2].Contains(PropToValidate1).ShouldBeTrue();
validator2.SetErrors(PropToValidate1);
validator2.SetErrors(PropToValidate2);
viewModel.GetErrors().ShouldBeEmpty();
viewModel.GetErrors().ShouldBeEmpty();
}
public void AddChildValidatable_ChildValidatableIsNull_NoErrorsAreAdded()
{
TestUtils.ExecuteWithDispatcher((uiThreadDispatcher, completedAction) =>
{
// ARRANGE
var parent = new ValidatableViewModel();
parent.Validator.AddChildValidatable(() => parent.Child);
// ACT
parent.Validator.ValidateAllAsync().ContinueWith(result =>
{
// VERIFY
Assert.True(result.Result.IsValid, "Validation must not fail");
completedAction();
});
});
}
public void NotifyDataErrorInfoShouldGetErrorsFromValidators()
{
ValidatableViewModel viewModel = GetValidatableViewModel();
INotifyDataErrorInfo notifyDataError = viewModel;
var validator = viewModel.AddValidator <SpyValidator>(new object());
notifyDataError.HasErrors.ShouldBeFalse();
validator.SetErrors(PropToValidate1, PropToValidate1, PropToValidate2);
notifyDataError.HasErrors.ShouldBeTrue();
string[] errors = notifyDataError.GetErrors(PropToValidate1).OfType <string>().ToArray();
errors.Length.ShouldEqual(2);
errors.Contains(PropToValidate1).ShouldBeTrue();
errors.Contains(PropToValidate2).ShouldBeTrue();
validator.SetErrors(PropToValidate1);
notifyDataError.GetErrors(PropToValidate1).ShouldBeEmpty();
notifyDataError.HasErrors.ShouldBeFalse();
}
public void GetErrorsShouldRedirectCallToValidators()
{
ValidatableViewModel viewModel = GetValidatableViewModel();
var validator1 = viewModel.AddValidator <SpyValidator>(new object());
var validator2 = viewModel.AddValidator <SpyValidator>(new object());
viewModel.GetErrors(PropToValidate1).ShouldBeEmpty();
viewModel.GetErrors(PropToValidate2).ShouldBeEmpty();
validator1.SetErrors(PropToValidate1, PropToValidate1);
validator1.SetErrors(PropToValidate2, PropToValidate2);
validator2.SetErrors(PropToValidate1, PropToValidate2);
validator2.SetErrors(PropToValidate2, PropToValidate1);
object[] errors = viewModel.GetErrors(PropToValidate1).OfType <object>().ToArray();
errors.Length.ShouldEqual(2);
errors.Contains(PropToValidate1).ShouldBeTrue();
errors.Contains(PropToValidate2).ShouldBeTrue();
errors = viewModel.GetErrors(PropToValidate2).OfType <object>().ToArray();
errors.Length.ShouldEqual(2);
errors.Contains(PropToValidate1).ShouldBeTrue();
errors.Contains(PropToValidate2).ShouldBeTrue();
validator1.SetErrors(PropToValidate1);
validator1.SetErrors(PropToValidate2);
errors = viewModel.GetErrors(PropToValidate1).OfType <object>().ToArray();
errors.Length.ShouldEqual(1);
errors.Contains(PropToValidate2).ShouldBeTrue();
errors = viewModel.GetErrors(PropToValidate2).OfType <object>().ToArray();
errors.Length.ShouldEqual(1);
errors.Contains(PropToValidate1).ShouldBeTrue();
validator2.SetErrors(PropToValidate1);
validator2.SetErrors(PropToValidate2);
viewModel.GetErrors(PropToValidate1).ShouldBeEmpty();
viewModel.GetErrors(PropToValidate2).ShouldBeEmpty();
}
public void DataErrorInfoShouldGetErrorsFromValidators()
{
ValidatableViewModel viewModel = GetValidatableViewModel();
IDataErrorInfo dataErrorInfo = viewModel;
var validator = viewModel.AddValidator <SpyValidator>(viewModel);
IDataErrorInfo validatorErrorInfo = validator;
validator.SetErrors(PropToValidate1, PropToValidate1);
viewModel.OnPropertyChanged(PropToValidate1, ExecutionType.None);
string error = dataErrorInfo[PropToValidate1];
validator.ValidateCount.ShouldEqual(1);
validator.ValidateProperties.Contains(PropToValidate1).ShouldBeTrue();
error.ShouldEqual(PropToValidate1);
validator.SetErrors(PropToValidate1);
viewModel.OnPropertyChanged(PropToValidate1, ExecutionType.None);
error = validatorErrorInfo[PropToValidate1];
validator.ValidateCount.ShouldEqual(2);
error.ShouldBeNull();
}
public void AddChildValidatable_AddsRuleWithProperTarget()
{
TestUtils.ExecuteWithDispatcher((uiThreadDispatcher, completedAction) =>
{
// ARRANGE
var parent = new ValidatableViewModel();
var child = new ValidatableViewModel();
parent.Child = child;
child.Validator.AddRequiredRule(() => child.Foo, "Error1");
parent.Validator.AddChildValidatable(() => parent.Child);
// ACT
parent.Validator.ValidateAllAsync().ContinueWith(result =>
{
// VERIFY
Assert.False(result.Result.IsValid, "Validation must fail");
Assert.Equal("parent.Child", result.Result.ErrorList[0].Target);
completedAction();
});
});
}
internal ValidationConfigurationBuilder(ValidatableViewModel <T> viewModel)
{
_rulesBuilders = new List <PropertyRulesBuilder <T> >();
_viewModel = viewModel;
}
protected virtual IValidatorAggregator GetValidatorAggregatorInternal()
{
ValidatableViewModel viewModel;
IIocContainer iocContainer = ServiceProvider.IocContainer;
IViewModelProvider viewModelProvider;
if (iocContainer != null && iocContainer.TryGet(out viewModelProvider))
viewModel = viewModelProvider.GetViewModel<ValidatableViewModel>();
else
viewModel = new ValidatableViewModel();
viewModel.ValidatorProvider = this;
return viewModel;
}
public static string YearValidation(ValidatableViewModel viewmodel, string propertyname)
{
var propValue = viewmodel.GetType().GetProperty(propertyname).GetValue(viewmodel, null);
if (propValue != null)
{
string stringPropValue = propValue.ToString();
int result;
if (int.TryParse(stringPropValue, out result))
{
if (result > 1900 && result < 2100)
{
return null;
}
}
}
return "wrong year!";
}
public void AddNotInitializedValidatorShouldThrowException()
{
ValidatableViewModel viewModel = GetValidatableViewModel();
ShouldThrow <InvalidOperationException>(() => viewModel.AddValidator(new SpyValidator()));
}