public void GetSelectedEntities_MissingAttributeOnAnEntity()
{
var entity1 = new FileEntity("test1").SetAttribute(new Attribute("attr", new IntValue(42), AttributeSource.Custom));
var entity2 = new FileEntity("test2");
var selectedEntities = new List <IEntity>
{
entity1,
entity2
};
_selection
.As <IEnumerable>()
.Setup(mock => mock.GetEnumerator())
.Returns(selectedEntities.GetEnumerator());
var attrs = _attributes.GroupAttributesInSelection().ToList();
Assert.AreEqual(1, attrs.Count);
Assert.IsFalse(attrs[0].HasMultipleValues);
Assert.IsFalse(attrs[0].IsInAllEntities);
}