private void Edit <TEntity, TEntityList>()
where TEntity : EntityBase, INamedEntity, new()
where TEntityList : EntityListBase <TEntity, NamedBindingItem <TEntity> >, new()
{
const string name1 = "Performance";
const string name2 = "Interview";
const string name3 = "Rehearsal";
var list = new TEntityList {
Session = Session
};
list.Populate(); // Creates an empty BindingList
var bindingList = list.BindingList;
var item1 = bindingList.AddNew();
list.OnRowEnter(0);
item1.Name = name1;
list.OnRowValidated(0);
Assert.AreEqual(1, list.Count, "Entity count after 1st add");
var entity1 = (INamedEntity)list[0];
Assert.AreEqual(name1, entity1.Name, "1st entity Name after 1st add");
var item2 = bindingList.AddNew();
item2.Name = name2;
list.OnRowValidated(1);
Assert.AreEqual(2, list.Count, "Entity count after 2nd add");
var entity2 = (INamedEntity)list[1];
Assert.AreEqual(name2, entity2.Name, "2nd entity Name after 2nd add");
// Refresh the grid from the saved entities on the database
list.Populate();
bindingList = list.BindingList;
Assert.AreEqual(2, bindingList.Count, "editor.Count after Populate");
// After being refreshed by Populate, the table should now be sorted into Name order.
Assert.AreEqual(name2, bindingList[0].Name, "1st item Name after populate");
Assert.AreEqual(name1, bindingList[1].Name, "2nd item Name after populate");
list.OnRowValidated(0); // Should have no effect
Assert.AreEqual(2, bindingList.Count, "editor.Count going to existing row");
// Rename the first item
bindingList[0].Name = name3;
entity1 = list[0];
Assert.AreEqual(name3, entity1.Name, "1st entity Name after update");
list.DeleteEntity(0); // And delete it
list.Populate(); // And refresh the grid from the database again.
bindingList = list.BindingList;
Assert.AreEqual(1, list.Count, "Entity count after delete and repopulate");
entity1 = list[0];
Assert.AreEqual(name1, entity1.Name, "1st entity Name after delete and repopulate");
Assert.AreEqual(1, bindingList.Count, "editor.Count after delete and repopulate");
Assert.AreEqual(name1, bindingList[0].Name,
"1st item Name after delete and repopulate");
}
private void ErrorOnInsert <TEntity, TEntityList>()
where TEntity : EntityBase, INamedEntity, new()
where TEntityList : EntityListBase <TEntity, NamedBindingItem <TEntity> >, new()
{
const string name = "Performance";
var list = new TEntityList {
Session = Session
};
list.Populate(); // Creates an empty BindingList
var bindingList = list.BindingList;
var item1 = bindingList.AddNew();
list.OnRowEnter(0);
item1.Name = name;
list.OnRowValidated(0);
var item2 = bindingList.AddNew();
item2.Name = name;
var exception = Assert.Catch <DatabaseUpdateErrorException>(
() => list.OnRowValidated(1),
"Duplicate name should have thrown DatabaseUpdateErrorException.");
Assert.AreEqual("Another EventType with key 'Performance' already exists.",
exception.Message, "Message");
Assert.AreEqual(StatementType.Insert, exception.ChangeAction, "ChangeAction");
Assert.AreEqual(1, exception.RowIndex, "RowIndex");
Assert.AreEqual(0, exception.ColumnIndex, "ColumnIndex");
Assert.IsInstanceOf(typeof(DuplicateNameException), exception.InnerException,
"InnerException");
Assert.AreSame(exception, list.LastDatabaseUpdateErrorException,
"LastDatabaseUpdateErrorException");
}
private void ErrorOnDelete <TEntityList>()
where TEntityList : IEntityList, new()
{
var list = new TEntityList {
Session = Session
};
list.Populate();
list.OnRowEnter(1);
var exception = Assert.Catch <DatabaseUpdateErrorException>(
() => list.DeleteEntity(1),
"DeleteEntity should have thrown DatabaseUpdateErrorException.");
Assert.AreEqual(StatementType.Delete, exception.ChangeAction, "ChangeAction");
Assert.IsTrue(
exception.Message.Contains("cannot be deleted because it is referenced by"),
"Message");
Assert.AreEqual(1, exception.RowIndex, "RowIndex");
Assert.IsInstanceOf(typeof(ConstraintException), exception.InnerException,
"InnerException");
Assert.AreSame(exception, list.LastDatabaseUpdateErrorException,
"LastDatabaseUpdateErrorException");
}