def test_multiple_variables(self):
iterator = VariableIterator('${1} @{2} and %{3}', identifiers='$@%')
assert_equal(list(iterator), [('', '${1}', ' @{2} and %{3}'),
(' ', '@{2}', ' and %{3}'),
(' and ', '%{3}', '')])
assert_equal(bool(iterator), True)
assert_equal(len(iterator), 3)
def test_can_be_iterated_many_times(self):
iterator = VariableIterator('one ${var} here', identifiers='$')
assert_equal(list(iterator), [('one ', '${var}', ' here')])
assert_equal(list(iterator), [('one ', '${var}', ' here')])
assert_equal(bool(iterator), True)
assert_equal(bool(iterator), True)
assert_equal(len(iterator), 1)
assert_equal(len(iterator), 1)
def test_one_variable(self):
iterator = VariableIterator('one ${var} here', identifiers='$')
assert_equal(list(iterator), [('one ', '${var}', ' here')])
assert_equal(bool(iterator), True)
assert_equal(len(iterator), 1)
def test_no_variables(self):
iterator = VariableIterator('no vars here', identifiers='$')
assert_equal(list(iterator), [])
assert_equal(bool(iterator), False)
assert_equal(len(iterator), 0)