public void RecoveryModelPropertyShouldBeReadWrite()
{
var target = new MockEditableObject();
Assert.Equal( EditRecoveryModel.Simple, target.RecoveryModel );
target.RecoveryModel = EditRecoveryModel.Full;
Assert.Equal( EditRecoveryModel.Full, target.RecoveryModel );
}
public void BeginEndShouldStartEditOperation()
{
// arrange
var target = new MockEditableObject();
// act
target.BeginEdit();
// assert
Assert.True( target.IsEditing );
}
public void EndEditShouldCompleteEditOperation()
{
// arrange
var target = new MockEditableObject();
// act
target.BeginEdit();
target.EndEdit();
// assert
Assert.False( target.IsEditing );
}
public void CancelEditShouldAbortEditOperation()
{
// arrange
var target = new MockEditableObject();
// act
target.BeginEdit();
target.CancelEdit();
// assert
Assert.False( target.IsEditing );
}
public void ShouldRollbackChangesToObject()
{
// arrange
var obj = new MockEditableObject();
var transaction = new FieldTransaction( obj, new[] { "LastModified" } );
var lastModified = obj.LastModified;
// act
transaction.Begin();
obj.LastModified = DateTime.Now;
transaction.Rollback();
// assert
Assert.Equal( lastModified, obj.LastModified );
}
public void ShouldCommitChangesToObject()
{
// arrange
var obj = new MockEditableObject();
var createdDate = obj.CreatedDate;
var transaction = new PropertyTransaction( obj );
obj.Id = 1;
obj.FirstName = string.Empty;
obj.LastName = string.Empty;
// act
transaction.Begin();
obj.FirstName = "unit";
obj.LastName = "test";
transaction.Commit();
// assert
Assert.Equal( 1, obj.Id );
Assert.Equal( "unit", obj.FirstName );
Assert.Equal( "test", obj.LastName );
Assert.Equal( createdDate, obj.CreatedDate );
}
public void EndEditShouldCommitChangesToObject()
{
// arrange
var target = new MockEditableObject();
var createdDate = target.CreatedDate;
// act
target.Id = 1;
target.FirstName = string.Empty;
target.LastName = string.Empty;
target.BeginEdit();
target.FirstName = "unit";
target.LastName = "test";
target.EndEdit();
// assert
Assert.False( target.IsEditing );
Assert.Equal( 1, target.Id );
Assert.Equal( "unit", target.FirstName );
Assert.Equal( "test", target.LastName );
Assert.Equal( createdDate, target.CreatedDate );
}
public void ShouldRollbackChangesToObject()
{
// arrange
var obj = new MockEditableObject();
var createdDate = obj.CreatedDate;
var transaction = new PropertyTransaction( obj, new[] { "FirstName", "LastName" } );
obj.Id = 1;
obj.FirstName = string.Empty;
obj.LastName = string.Empty;
// act
transaction.Begin();
obj.Id = 2;
obj.FirstName = "unit";
obj.LastName = "test";
transaction.Rollback();
// assert
Assert.Equal( 2, obj.Id );
Assert.Equal( string.Empty, obj.FirstName );
Assert.Equal( string.Empty, obj.LastName );
Assert.Equal( createdDate, obj.CreatedDate );
}
public void CancelEditShouldRollbackPropertyChangesToObject()
{
// arrange
var target = new MockEditableObject();
var createdDate = target.CreatedDate;
target.Id = 1;
target.FirstName = string.Empty;
target.LastName = string.Empty;
// act
target.BeginEdit();
target.Id = 2;
target.FirstName = "unit";
target.LastName = "test";
target.CancelEdit();
// assert
Assert.False( target.IsEditing );
Assert.Equal( 2, target.Id ); // doesn't support rollback
Assert.Equal( string.Empty, target.FirstName );
Assert.Equal( string.Empty, target.LastName );
Assert.Equal( createdDate, target.CreatedDate );
}
public void OnPropertyChangedShouldNotTriggerStateChangeWhenSuppressed()
{
var target = new MockEditableObject();
target.InvokeOnPropertyChanged( "FirstName", true );
Assert.False( target.IsChanged );
}
public void AcceptChangesShouldCreateNewSavepoint()
{
// arrange
var target = new MockEditableObject();
target.RecoveryModel = EditRecoveryModel.Full;
target.Id = 5;
target.FirstName = "bill";
target.LastName = "mei";
target.AcceptChanges();
// act
target.BeginEdit();
target.FirstName = "john";
target.LastName = "doe";
target.EndEdit();
target.AcceptChanges();
target.BeginEdit();
target.FirstName = "jane";
target.LastName = "doe";
target.EndEdit();
target.RejectChanges();
// assert
Assert.False( target.IsChanged );
Assert.Equal( "john", target.FirstName );
Assert.Equal( "doe", target.LastName );
}
public void RejectChangesShouldSignalNoChanges()
{
// arrange
var target = new MockEditableObject();
target.Id = 5;
target.LastName = "bill";
target.FirstName = "mei";
// act
var changed = target.IsChanged;
target.RejectChanges();
// assert
Assert.True( changed );
Assert.False( target.IsChanged );
}
public void IsChangedPropertyShouldBeTrueUntilAcceptChangesIsInvoked()
{
var target = new MockEditableObject();
Assert.False( target.IsChanged );
target.BeginEdit();
target.Id = 5;
target.LastName = "bill";
target.FirstName = "mei";
target.CancelEdit();
// initial state was unchanged, so it should still be unchanged
Assert.False( target.IsChanged );
target.BeginEdit();
target.Id = 10;
target.LastName = "john";
target.FirstName = "doe";
target.EndEdit();
// change committed, so it should now be changed
Assert.True( target.IsChanged );
target.BeginEdit();
target.Id = 20;
target.LastName = "jane";
target.FirstName = "doe";
target.CancelEdit();
// although previous edit was canceled, the object was already the
// changed state. it should, therfore, still be in the changed state
Assert.True( target.IsChanged );
target.AcceptChanges();
Assert.False( target.IsChanged );
}
public void CancelEditShouldRollbackFieldChangesToObject()
{
// arrange
var target = new MockEditableObject( ( @this, uneditable ) => new FieldTransaction( @this, new []{ "LastModified" } ) );
var lastModified = target.LastModified;
// act
target.BeginEdit();
target.LastModified = DateTime.Now;
target.CancelEdit();
// assert
Assert.False( target.IsEditing );
Assert.Equal( lastModified, target.LastModified );
}