def testItems_keys_values_and_iterators(self):
portal = self.layer['portal']
setRoles(portal, TEST_USER_ID, ('Manager',))
doc = self._makeOne()
from collective.btrees.interfaces import IOOBTreeContainer
container = IOOBTreeContainer(doc)
self.assertEqual(len(container.keys()), 0)
key = object()
value = object()
container.insert(key, value)
self.assertEqual(container.get(key), value)
self.assertEqual(len(container.items()), 1)
self.assertEqual(len(container.keys()), 1)
self.assertEqual(len(container.values()), 1)
self.assertEqual(list(container.items()), [(key, value)])
self.assertEqual(list(container.keys()), [key])
self.assertEqual(list(container.values()), [value])
# Test the iterators.
item_iterator = container.iteritems()
self.assertEqual(item_iterator.next(), (key, value))
self.assertRaises(StopIteration, item_iterator.next)
key_iterator = container.iterkeys()
self.assertEqual(key_iterator.next(), key)
self.assertRaises(StopIteration, key_iterator.next)
value_iterator = container.itervalues()
self.assertEqual(value_iterator.next(), value)
self.assertRaises(StopIteration, value_iterator.next)
def testClear(self):
portal = self.layer['portal']
setRoles(portal, TEST_USER_ID, ('Manager',))
doc = self._makeOne()
from collective.btrees.interfaces import IOOBTreeContainer
container = IOOBTreeContainer(doc)
container.insert(object(), object())
container.insert(object(), object())
container.insert(object(), object())
self.assertEqual(len(container.items()), 3)
# Remove all.
container.clear()
self.assertEqual(len(container.items()), 0)
self.assertEqual(len(container.keys()), 0)
self.assertEqual(len(container.values()), 0)
self.assertRaises(StopIteration, container.iteritems().next)
self.assertRaises(StopIteration, container.iterkeys().next)
self.assertRaises(StopIteration, container.itervalues().next)
# Clearing an empty container should work too of course.
container.clear()