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 RemoveDataErrorInfo_RemovingACrossPropertyLevelErrorLastName_GetErrorsShouldReturEmptySet()
{
var personDto = new TestPersonDto {
FirstName = "John", LastName = "Wayne"
};
var dataErrorInfo = new DataErrorInfo("PropertyLevelError", ErrorLevel.Error, "FirstName", "LastName");
personDto.AddDataErrorInfo(dataErrorInfo);
personDto.RemoveDataErrorInfo("FirstName");
IEnumerable <DataErrorInfo> errors = personDto.GetErrors("LastName") as IEnumerable <DataErrorInfo>;
List <DataErrorInfo> returnedList = new List <DataErrorInfo> (errors);
Assert.IsTrue(returnedList.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 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 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 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);
}