def test_set_selection(self):
service = SelectionService()
provider = SimpleListProvider(items=range(10))
service.add_selection_provider(provider)
provider_id = provider.provider_id
selection = service.get_selection(provider_id)
self.assertTrue(selection.is_empty())
new_selection = [5, 6, 3]
service.set_selection(provider_id, new_selection)
selection = service.get_selection(provider_id)
self.assertFalse(selection.is_empty())
# We can't assume that the order of the items in the selection we set
# remains stable.
self.assertEqual(selection.items, new_selection)
self.assertEqual(selection.indices, selection.items)
def test_set_selection(self):
service = SelectionService()
provider = SimpleListProvider(items=range(10))
service.add_selection_provider(provider)
provider_id = provider.provider_id
selection = service.get_selection(provider_id)
self.assertTrue(selection.is_empty())
new_selection = [5, 6, 3]
service.set_selection(provider_id, new_selection)
selection = service.get_selection(provider_id)
self.assertFalse(selection.is_empty())
# We can't assume that the order of the items in the selection we set
# remains stable.
self.assertItemsEqual(selection.items, new_selection)
self.assertEqual(selection.indices, selection.items)
def test_ignore_missing(self):
# What we are really testing here is that the selection service
# passes the keyword argument to the selection provider. It's the
# selection provider responsibility to ignore missing elements, or
# raise an exception.
service = SelectionService()
provider = SimpleListProvider(items=list(range(10)))
service.add_selection_provider(provider)
new_selection = [0, 11, 1]
provider_id = provider.provider_id
service.set_selection(provider_id, new_selection, ignore_missing=True)
selection = service.get_selection(provider_id)
self.assertFalse(selection.is_empty())
self.assertEqual(selection.items, [0, 1])
new_selection = [0, 11, 1]
with self.assertRaises(ValueError):
service.set_selection(provider_id, new_selection,
ignore_missing=False)
def test_ignore_missing(self):
# What we are really testing here is that the selection service
# passes the keyword argument to the selection provider. It's the
# selection provider responsibility to ignore missing elements, or
# raise an exception.
service = SelectionService()
provider = SimpleListProvider(items=range(10))
service.add_selection_provider(provider)
new_selection = [0, 11, 1]
provider_id = provider.provider_id
service.set_selection(provider_id, new_selection, ignore_missing=True)
selection = service.get_selection(provider_id)
self.assertFalse(selection.is_empty())
self.assertItemsEqual(selection.items, [0, 1])
new_selection = [0, 11, 1]
with self.assertRaises(ValueError):
service.set_selection(provider_id, new_selection,
ignore_missing=False)
def test_selection_id_not_registered(self):
service = SelectionService()
with self.assertRaises(ProviderNotRegisteredError):
service.set_selection(provider_id='not-existent', items=[])
def test_selection_id_not_registered(self):
service = SelectionService()
with self.assertRaises(ProviderNotRegisteredError):
service.set_selection(provider_id='not-existent', items=[])