/// <summary>
/// Tries the add data error info.
/// </summary>
/// <param name="dataErrorInfo">The data error info.</param>
public void TryAddDataErrorInfo(DataErrorInfo dataErrorInfo)
{
if (!DataErrorInfoCollection.Contains(dataErrorInfo))
{
AddDataErrorInfo(dataErrorInfo);
}
}
public void AddDataErrorInfo_AddsPropertyLevelError_Succeeds()
{
var personDto = new PersonDto { FirstName = "John", LastName = "Wayne" };
var dataErrorInfo = new DataErrorInfo ( "PropertyLevelError", ErrorLevel.Error, "FirstName" );
personDto.AddDataErrorInfo ( dataErrorInfo );
IList referenceCollection = new ArrayList { dataErrorInfo };
CollectionAssert.AreEqual ( referenceCollection, personDto.DataErrorInfoCollection.ToList () );
}
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 );
}
/// <summary>
/// Adds the data error info.
/// </summary>
/// <param name="dataErrorInfo">
/// The data error info.
/// </param>
public void AddDataErrorInfo(DataErrorInfo dataErrorInfo)
{
if (dataErrorInfo.DataErrorInfoType != DataErrorInfoType.ObjectLevel)
{
foreach (var propertyName in dataErrorInfo.Properties)
{
ValidatePropertyExists(propertyName);
}
}
_dataErrorInfoCollection.Add(dataErrorInfo);
ReportErrorsChanged(dataErrorInfo);
}
/// <summary>
/// Reports when errors have changed.
/// </summary>
/// <param name="dataErrorInfo">Error Info.</param>
partial void ReportErrorsChanged(DataErrorInfo dataErrorInfo)
{
if (dataErrorInfo.DataErrorInfoType == DataErrorInfoType.ObjectLevel)
{
ReportErrorsChanged(string.Empty);
}
else
{
foreach (var propertyName in dataErrorInfo.Properties)
{
ReportErrorsChanged(propertyName);
}
}
}
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 ClearAllDataErrorInfo_HasObjectLevelErrorsAndPropertyLevelErrorsAndCrossPropertyLevelErrors_ClearsAllErrors()
{
var personDto = new PersonDto{ FirstName = "John", LastName = "Wayne" };
var dataErrorInfo1 = new DataErrorInfo("SomeErrorMessage1", ErrorLevel.Error, "FirstName", "LastName");
var dataErrorInfo2 = new DataErrorInfo("SomeErrorMessage2", ErrorLevel.Error);
var dataErrorInfo3 = new DataErrorInfo("SomeErrorMessage3", ErrorLevel.Error, "FirstName" );
personDto.AddDataErrorInfo(dataErrorInfo1);
personDto.AddDataErrorInfo(dataErrorInfo2);
personDto.AddDataErrorInfo(dataErrorInfo3);
personDto.ClearAllDataErrorInfo ();
Assert.IsTrue(personDto.DataErrorInfoCollection.Count() == 0);
}
/// <summary>
/// Removes the data error info.
/// </summary>
/// <param name="dataErrorInfo">The data error info.</param>
public void RemoveDataErrorInfo(DataErrorInfo dataErrorInfo)
{
ISet <string> propertyNames = new HashSet <string> ();
_dataErrorInfoCollection.Remove(dataErrorInfo);
if (dataErrorInfo.DataErrorInfoType == DataErrorInfoType.ObjectLevel)
{
propertyNames.Add(string.Empty);
}
else
{
foreach (string name in dataErrorInfo.Properties)
{
propertyNames.Add(name);
}
}
foreach (string reportablePropertyName in propertyNames)
{
ReportErrorsChanged(reportablePropertyName);
}
}
public void DataTransferObject_NonExistingCrossProperty_ThrowsPropertyNotFoundException()
{
var personDto = new PersonDto { FirstName = "John", LastName = "Wayne" };
var dataErrorInfo = new DataErrorInfo ( "NonExistingCrossProperty", ErrorLevel.Error, "FirstName", "Foo" );
personDto.AddDataErrorInfo ( dataErrorInfo );
}
public void AddDataErrorInfo_NonExistingSingleProperty_ThrowsPropertyNotFoundException()
{
var personDto = new PersonDto { FirstName = "John", LastName = "Wayne" };
var dataErrorInfo = new DataErrorInfo ( "NonExistingProperty", ErrorLevel.Error, "Foo" );
personDto.AddDataErrorInfo ( dataErrorInfo );
}
public void DataErrorInfo_ObjectLevelError_DataErrorInfoTypeIsObjectLevel()
{
var dataErrorInfo = new DataErrorInfo("ErrorMessage", ErrorLevel.Error);
Assert.AreEqual ( dataErrorInfo.DataErrorInfoType, DataErrorInfoType.ObjectLevel );
}
/// <summary>
/// Reports when errors have changed.
/// </summary>
/// <param name="dataErrorInfo">Error Info.</param>
partial void ReportErrorsChanged(DataErrorInfo dataErrorInfo)
{
if ( dataErrorInfo.DataErrorInfoType == DataErrorInfoType.ObjectLevel )
{
ReportErrorsChanged ( string.Empty );
}
else
{
foreach ( var propertyName in dataErrorInfo.Properties )
{
ReportErrorsChanged ( propertyName );
}
}
}
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 DataErrorInfo_PropertyLevelWithEmptyPropertyNameError_ThrowsArgumentException()
{
var dataErrorInfo = new DataErrorInfo ( "ErrorMessage", ErrorLevel.Error, "" );
}
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 DataErrorInfo_ObjectLevelError_Succeeds()
{
var dataErrorInfo = new DataErrorInfo ( "ErrorMessage", ErrorLevel.Error );
}
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 );
}
/// <summary> /// Reports the errors changed. /// </summary> /// <param name="dataErrorInfo">The data error info.</param> partial void ReportErrorsChanged(DataErrorInfo dataErrorInfo);
public void DataErrorInfo_PropertyLevelError_DataErrorInfoTypeIsPropertyLevel()
{
var dataErrorInfo = new DataErrorInfo("ErrorMessage", ErrorLevel.Error, "PropertyName");
Assert.AreEqual(dataErrorInfo.DataErrorInfoType, DataErrorInfoType.PropertyLevel);
}
public void DataErrorInfo_PropertyLevelWithNullPropertyNameError_ThrowsArgumentException()
{
string[] s = new string[] { null };
var dataErrorInfo = new DataErrorInfo ( "ErrorMessage", ErrorLevel.Error, s );
}
public void DataErrorInfo_CrossPropertyLevelWithNullPropertyNameError_ThrowsArgumentException()
{
var dataErrorInfo = new DataErrorInfo ( "ErrorMessage", ErrorLevel.Error, "FirstName", "LastName", null );
}
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_HasPropertyLevelAndObjectLevelErrors_RemovesObjectLevelErrors()
{
var personDto = new PersonDto { FirstName = "John", LastName = "Wayne" };
var propertyDataErrorInfo = new DataErrorInfo ( "SomeErrorMessage1", ErrorLevel.Error, "FirstName" );
var objectDataErrorInfo = new DataErrorInfo ( "SomeErrorMessage2", ErrorLevel.Error );
personDto.AddDataErrorInfo ( propertyDataErrorInfo );
personDto.AddDataErrorInfo ( objectDataErrorInfo );
personDto.RemoveDataErrorInfo ( "" );
IList referenceCollection = new ArrayList { propertyDataErrorInfo };
CollectionAssert.AreEqual ( referenceCollection, personDto.DataErrorInfoCollection.ToList () );
}
public void DataErrorInfo_PropertyLevelError_Succeeds()
{
var dataErrorInfo = new DataErrorInfo ( "ErrorMessage", ErrorLevel.Error, "PropertyName" );
}
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 RemoveDataErrorInfo_MoreThanOneObjectLevelError_RemovesObjectLevelErrors()
{
var personDto = new PersonDto { FirstName = "John", LastName = "Wayne" };
var dataErrorInfo1 = new DataErrorInfo ( "SomeErrorMessage1", ErrorLevel.Error );
var dataErrorInfo2 = new DataErrorInfo ( "SomeErrorMessage2", ErrorLevel.Error );
personDto.AddDataErrorInfo ( dataErrorInfo1 );
personDto.AddDataErrorInfo ( dataErrorInfo2 );
personDto.RemoveDataErrorInfo ( "" );
Assert.IsTrue ( personDto.DataErrorInfoCollection.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 RemoveDataErrorInfo_OnePropertyLevelError_RemovesPropertyLevelError()
{
var personDto = new PersonDto { FirstName = "John", LastName = "Wayne" };
var dataErrorInfo = new DataErrorInfo ( "SomeErrorMessage1", ErrorLevel.Error, "FirstName" );
personDto.AddDataErrorInfo ( dataErrorInfo );
personDto.RemoveDataErrorInfo ( "FirstName" );
Assert.IsTrue ( personDto.DataErrorInfoCollection.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_PropertyLevelErrorAndCrossPropertyLevelError_RemovesAllErrorsWithSamePropertyName()
{
var personDto = new PersonDto { FirstName = "John", LastName = "Wayne" };
var dataErrorInfo1 = new DataErrorInfo ( "SomeErrorMessage1", ErrorLevel.Error, "FirstName" );
var dataErrorInfo2 = new DataErrorInfo ( "SomeErrorMessage1", ErrorLevel.Error, "FirstName", "LastName" );
var dataErrorInfo3 = new DataErrorInfo ( "SomeErrorMessage1", ErrorLevel.Error, "LastName" );
personDto.AddDataErrorInfo ( dataErrorInfo1 );
personDto.AddDataErrorInfo ( dataErrorInfo2 );
personDto.AddDataErrorInfo ( dataErrorInfo3 );
personDto.RemoveDataErrorInfo ( "FirstName" );
IList referenceCollection = new ArrayList { dataErrorInfo3 };
CollectionAssert.AreEqual ( referenceCollection, personDto.DataErrorInfoCollection.ToList () );
}
public void RemoveDataErrorInfo_ProvidedAnEmptyProperty_RemovesObjectLevelErrors()
{
var personDto = new PersonDto { FirstName = "John", LastName = "Wayne" };
var dataErrorInfo = new DataErrorInfo ( "SomeErrorMessage", ErrorLevel.Error );
personDto.AddDataErrorInfo ( dataErrorInfo );
personDto.RemoveDataErrorInfo ( "" );
Assert.IsTrue ( personDto.DataErrorInfoCollection.Count() == 0 );
}
public void RemoveDataErrorInfo_ProvidedANonExistentProperty_ThrowAPropertyNotFoundException()
{
var personDto = new PersonDto { FirstName = "John", LastName = "Wayne" };
var dataErrorInfo = new DataErrorInfo ( "SomeErrorMessage", ErrorLevel.Error );
personDto.AddDataErrorInfo ( dataErrorInfo );
personDto.RemoveDataErrorInfo ( "Foo" );
Assert.IsTrue ( personDto.DataErrorInfoCollection.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 );
}
/// <summary>
/// Tries the add data error info.
/// </summary>
/// <param name="dataErrorInfo">The data error info.</param>
public void TryAddDataErrorInfo ( DataErrorInfo dataErrorInfo )
{
if ( !DataErrorInfoCollection.Contains ( dataErrorInfo ) )
{
AddDataErrorInfo ( dataErrorInfo );
}
}