public void AddDataErrorInfo_AddingACrossPropertyLevelError_ErrorsChangedEventShouldFire()
{
var personDto = new TestPersonDto { FirstName = "John", LastName = "Wayne" };
var dataErrorInfo = new DataErrorInfo ( "EntityLevelError", ErrorLevel.Error, "FirstName", "LastName" );
List<string> propertyNames = new List<string> { "FirstName", "LastName" };
personDto.ErrorsChanged += ( s, e ) => RemoveFromList ( propertyNames, e.PropertyName );
personDto.AddDataErrorInfo ( dataErrorInfo );
Assert.IsTrue ( propertyNames.Count == 0 );
}
public void AddDataErrorInfo_AddingACrossPropertyLevelError_GetErrorsShouldReturnGivenErrorForLastNameProperty()
{
var personDto = new TestPersonDto { FirstName = "John", LastName = "Wayne" };
var dataErrorInfo = new DataErrorInfo ( "PropertyLevelError", ErrorLevel.Error, "FirstName", "LastName" );
personDto.AddDataErrorInfo ( dataErrorInfo );
IEnumerable<DataErrorInfo> errors = personDto.GetErrors ( "LastName" ) as IEnumerable<DataErrorInfo>;
List<DataErrorInfo> returnedList = new List<DataErrorInfo> ( errors );
List<DataErrorInfo> referenceList = new List<DataErrorInfo> { dataErrorInfo };
CollectionAssert.AreEqual ( returnedList, referenceList );
}
public void AddDataErrorInfo_AddingAnObjectLevelError_GetErrorsShouldReturnGivenError()
{
var personDto = new TestPersonDto { FirstName = "John", LastName = "Wayne" };
var dataErrorInfo = new DataErrorInfo ( "EntityLevelError", ErrorLevel.Error );
IEnumerable<DataErrorInfo> errors = new List<DataErrorInfo> ();
personDto.ErrorsChanged +=
( s, e ) => { errors = personDto.GetErrors ( e.PropertyName ) as IEnumerable<DataErrorInfo>; };
personDto.AddDataErrorInfo ( dataErrorInfo );
List<DataErrorInfo> returnedList = new List<DataErrorInfo> ( errors );
List<DataErrorInfo> referenceList = new List<DataErrorInfo> { dataErrorInfo };
CollectionAssert.AreEqual ( returnedList, referenceList );
}
public void AddDataErrorInfo_AddingAnObjectLevelError_ErrorsChangedEventShouldFire()
{
var personDto = new TestPersonDto { FirstName = "John", LastName = "Wayne" };
var dataErrorInfo = new DataErrorInfo ( "EntityLevelError", ErrorLevel.Error );
string propertyName = "Dummy";
personDto.ErrorsChanged += ( s, e ) => { propertyName = e.PropertyName; };
personDto.AddDataErrorInfo ( dataErrorInfo );
Assert.IsTrue ( string.IsNullOrEmpty ( propertyName ) );
}
public void RemoveDataErrorInfo_RemovingAPropertyLevelError_GetErrorsShouldReturnGivenError()
{
var personDto = new TestPersonDto { FirstName = "John", LastName = "Wayne" };
var dataErrorInfo = new DataErrorInfo ( "PropertyLevelError", ErrorLevel.Error, "FirstName" );
personDto.AddDataErrorInfo ( dataErrorInfo );
personDto.RemoveDataErrorInfo ( "FirstName" );
IEnumerable<DataErrorInfo> errors = personDto.GetErrors ( "FirstName" ) as IEnumerable<DataErrorInfo>;
List<DataErrorInfo> returnedList = new List<DataErrorInfo> ( errors );
Assert.IsTrue ( returnedList.Count == 0 );
}
public void RemoveDataErrorInfo_RemovingAPropertyLevelError_ErrorsChangedEventShouldFire()
{
var personDto = new TestPersonDto { FirstName = "John", LastName = "Wayne" };
var dataErrorInfo = new DataErrorInfo ( "EntityLevelError", ErrorLevel.Error, "FirstName" );
string propertyName = "Dummy";
personDto.AddDataErrorInfo ( dataErrorInfo );
personDto.ErrorsChanged += ( s, e ) => { propertyName = e.PropertyName; };
personDto.RemoveDataErrorInfo ( "FirstName" );
Assert.AreEqual ( propertyName, "FirstName" );
}
public void RemoveDataErrorInfo_RemovingAnObjectLevelError_GetErrorsShouldReturnGivenError()
{
var personDto = new TestPersonDto { FirstName = "John", LastName = "Wayne" };
var dataErrorInfo = new DataErrorInfo ( "EntityLevelError", ErrorLevel.Error );
IEnumerable<DataErrorInfo> errors = new List<DataErrorInfo> ();
personDto.AddDataErrorInfo ( dataErrorInfo );
personDto.ErrorsChanged +=
( s, e ) => { errors = personDto.GetErrors ( e.PropertyName ) as IEnumerable<DataErrorInfo>; };
personDto.RemoveDataErrorInfo ( String.Empty );
List<DataErrorInfo> returnedList = new List<DataErrorInfo> ( errors );
Assert.IsTrue ( returnedList.Count == 0 );
}
public void RaiseErrorsChanged_GivenAValidPropertyName_ErrorsChangedEventReportsPropertyChange()
{
var personDto = new TestPersonDto { FirstName = "John", LastName = "Wayne" };
string name = string.Empty;
personDto.ErrorsChanged += ( s, e ) => name = e.PropertyName;
personDto.RaiseErrorsChanged ( "FirstName" );
Assert.AreSame ( name, "FirstName" );
}
public void RaiseErrorsChanged_GivenAnInvalidPropertyName_RaisesPropertyNotFoundException()
{
var personDto = new TestPersonDto { FirstName = "John", LastName = "Wayne" };
personDto.RaiseErrorsChanged ( "Dummy" );
}
public void GetErrors_WithAPropertyNameButOnlyAnObjectLevelErrorExists_ReturnAnEmptyList()
{
var personDto = new TestPersonDto { FirstName = "John", LastName = "Wayne" };
DataErrorInfo dataErrorInfo = new DataErrorInfo ( "Error", ErrorLevel.Error );
personDto.AddDataErrorInfo ( dataErrorInfo );
IEnumerable<DataErrorInfo> errors = personDto.GetErrors ( "FirstName" ) as IEnumerable<DataErrorInfo>;
IList<DataErrorInfo> errorList = new List<DataErrorInfo> ( errors );
Assert.IsTrue ( errorList.Count() == 0 );
}
public void ClearAllDataErrorInfo_GetErrorsShouldReturnEmptySet()
{
var personDto = new TestPersonDto { FirstName = "John", LastName = "Wayne" };
var objectDataErrorInfo1 = new DataErrorInfo ( "ObjectLevelError1", ErrorLevel.Error );
var objectDataErrorInfo2 = new DataErrorInfo ( "ObjectLevelError2", ErrorLevel.Error );
var propertyDataErrorInfo = new DataErrorInfo ( "PropertyLevelError", ErrorLevel.Error, "FirstName" );
var crossDataErrorInfo = new DataErrorInfo ( "CrossPropertyLevelError", ErrorLevel.Error, "FirstName",
"LastName" );
personDto.AddDataErrorInfo ( objectDataErrorInfo1 );
personDto.AddDataErrorInfo ( objectDataErrorInfo2 );
personDto.AddDataErrorInfo ( propertyDataErrorInfo );
personDto.AddDataErrorInfo ( crossDataErrorInfo );
personDto.ClearAllDataErrorInfo ();
IEnumerable<DataErrorInfo> errors = personDto.GetErrors ( null ) as IEnumerable<DataErrorInfo>;
List<DataErrorInfo> returnedList = new List<DataErrorInfo> ( errors );
Assert.IsTrue ( returnedList.Count () == 0 );
}
public void ClearAllDataErrorInfo_ErrorsChangedEventShouldFire()
{
var personDto = new TestPersonDto { FirstName = "John", LastName = "Wayne" };
var objectDataErrorInfo1 = new DataErrorInfo ( "ObjectLevelError1", ErrorLevel.Error );
var objectDataErrorInfo2 = new DataErrorInfo ( "ObjectLevelError2", ErrorLevel.Error );
var propertyDataErrorInfo = new DataErrorInfo ( "PropertyLevelError", ErrorLevel.Error, "FirstName" );
var crossDataErrorInfo = new DataErrorInfo ( "CrossPropertyLevelError", ErrorLevel.Error, "FirstName",
"LastName" );
HashSet<string> referenceNames = new HashSet<string> { "FirstName", "", "LastName" };
HashSet<string> propertyNames = new HashSet<string> ();
personDto.AddDataErrorInfo ( objectDataErrorInfo1 );
personDto.AddDataErrorInfo ( objectDataErrorInfo2 );
personDto.AddDataErrorInfo ( propertyDataErrorInfo );
personDto.AddDataErrorInfo ( crossDataErrorInfo );
personDto.ErrorsChanged += ( s, e ) => propertyNames.Add ( e.PropertyName );
personDto.ClearAllDataErrorInfo ();
AssertSetsEqual ( referenceNames, propertyNames );
}
