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 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_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 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 );
}