def test__remove(self):
"""
Tests the _remove method of the journaled list.
"""
# creates a journaled list with elements from an existent
# list and then adds some extra elements (that are not going to
# be journalized) to test the (not jounalized) removal of them
journaled_list = colony.JournaledList([1, 2, 3])
journaled_list._remove(1)
journaled_list._remove(2)
journaled_list._remove(3)
# retrieves the list of removes and tests it
# against the empty list (not jounalized)
removes = journaled_list.get_removes()
self.assertEqual(removes, [])
# tries to remove the first element one more time
# (this should raise a value error, and the removes
# list should remain the same)
self.assert_raises(ValueError, journaled_list._remove, 1)
self.assertEqual(removes, [])
# verifies that the contents of the journaled list
# are empty
self.assertEqual(journaled_list, [])
# retrieves the appends list, that must be empty and
# tests it against an empty list
appends = journaled_list.get_appends()
self.assertEqual(appends, [])
def test_clear_jounal(self):
"""
Tests the clear journal method of the journaled list.
"""
# creates a journaled list with elements from an existent
# list and then adds and removes some extra elements (that are going to
# be journalized) to test the appending and removal of them
journaled_list = colony.JournaledList([1, 2, 3])
journaled_list.append(1)
journaled_list.remove(2)
journaled_list.remove(3)
# retrieves the list of appends and tests it
# against the expected values
appends = journaled_list.get_appends()
self.assertEqual(appends, [1])
# retrieves the list of removes and tests it
# against the expected values
removes = journaled_list.get_removes()
self.assertEqual(removes, [2, 3])
# verifies that the journaled list contains
# the expected values
self.assertEqual(journaled_list, [1, 1])
# clears the journal and verifies that both
# the appends and removes lists are now empty
journaled_list.clear_jounal()
self.assertEqual(appends, [])
self.assertEqual(removes, [])
# verifies that the journaled list remains unmodified
self.assertEqual(journaled_list, [1, 1])
def test__append(self):
"""
Tests the _append method of the journaled list.
"""
# creates a journaled list with elements from an existent
# list and then adds some extra elements (that are not going to
# be journalized) to test the (not jounalized) appending of them
journaled_list = colony.JournaledList([1, 2, 3])
journaled_list._append(4)
journaled_list._append(5)
journaled_list._append(6)
# retrieves the list of appends and tests it
# against the empty list (not jounalized)
appends = journaled_list.get_appends()
self.assertEqual(appends, [])
# appends one extra value to the list
# and re-tests the appends list
journaled_list._append(4)
self.assertEqual(appends, [])
# verifies that the contents of the journaled list
# are the expected ones
self.assertEqual(journaled_list, [1, 2, 3, 4, 5, 6, 4])
# retrieves the removes list, that must be empty and
# tests it against an empty list
removes = journaled_list.get_removes()
self.assertEqual(removes, [])
def test_overriding(self):
"""
Tests the overriding of remove over append operation and
the reverse.
"""
# creates a journaled list with elements from an existent
# list and then adds (and removes) some extra elements (that are going to
# be journalized) to test the overriding of them
journaled_list = colony.JournaledList([1, 2, 3])
journaled_list.append(1)
journaled_list.append(1)
journaled_list.remove(1)
# retrieves the list of appends and tests it
# against the expected values
appends = journaled_list.get_appends()
self.assertEqual(appends, [1])
# retrieves the list of removes and tests it
# against the expected values
removes = journaled_list.get_removes()
self.assertEqual(removes, [])
# removes one value and tests the appends
# and removes list (again)
journaled_list.remove(1)
self.assertEqual(appends, [])
self.assertEqual(removes, [])
# removes one value and tests the appends
# and removes list (again)
journaled_list.remove(1)
self.assertEqual(appends, [])
self.assertEqual(removes, [1])
# appends two values and tests the appends
# and removes list (again)
journaled_list.append(1)
journaled_list.append(1)
self.assertEqual(appends, [1])
self.assertEqual(removes, [])