def test_start_empty(self):
undertest = StatefulCollection()
assert_that(undertest, has_length(0))
assert_that(undertest.get_current_item(), is_(none()))
assert_that(undertest.get_index(), equal_to(-1))
item1 = 1
undertest.append(item1)
assert_that(undertest.get_current_item(), equal_to(item1))
assert_that(undertest.get_index(), equal_to(0))
item2 = 2
undertest.append(item2)
next(undertest)
assert_that(undertest.get_index(), equal_to(1))
assert_that(undertest.get_current_item(), equal_to(item2))
def test_start_empty(self):
undertest = StatefulCollection()
assert_that(undertest, has_length(0))
assert_that(undertest.get_current_item(), is_(none()))
assert_that(undertest.get_index(), equal_to(-1))
item1 = 1
undertest.append(item1)
assert_that(undertest.get_current_item(), equal_to(item1))
assert_that(undertest.get_index(), equal_to(0))
item2 = 2
undertest.append(item2)
undertest.next()
assert_that(undertest.get_index(), equal_to(1))
assert_that(undertest.get_current_item(), equal_to(item2))
def test_basics(self):
items = [1, 2, 3]
undertest = StatefulCollection(items)
assert_that(undertest[0], equal_to(items[0]))
assert_that(undertest[1], equal_to(items[1]))
assert_that(undertest[2], equal_to(items[2]))
assert_that(undertest, has_length(3))
assert_that(undertest.get_index(), equal_to(0))
assert_that(undertest.get_current_item(), equal_to(items[0]))
next(undertest)
assert_that(undertest.get_index(), equal_to(1))
assert_that(undertest.get_current_item(), equal_to(items[1]))
undertest.previous()
assert_that(undertest.get_index(), equal_to(0))
assert_that(undertest.get_current_item(), equal_to(items[0]))
def test_basics(self):
items = [1, 2, 3]
undertest = StatefulCollection(items)
assert_that(undertest[0], equal_to(items[0]))
assert_that(undertest[1], equal_to(items[1]))
assert_that(undertest[2], equal_to(items[2]))
assert_that(undertest, has_length(3))
assert_that(undertest.get_index(), equal_to(0))
assert_that(undertest.get_current_item(), equal_to(items[0]))
undertest.next()
assert_that(undertest.get_index(), equal_to(1))
assert_that(undertest.get_current_item(), equal_to(items[1]))
undertest.previous()
assert_that(undertest.get_index(), equal_to(0))
assert_that(undertest.get_current_item(), equal_to(items[0]))
