def test__right__when_empty__then_key_error(): # when def function(heap): return heap.right # then assert_that(function).raises(KeyError).when_called_with(DoubleHeap())
def test__right__when_single_element__then_this_element(self): # given element = 19 self.test_object = DoubleHeap([element]) # when result = self.test_object.right # then assert_that(result).is_equal_to(element)
def test__popright__when_single_element__then_this_element_removed(self): # given element = 19 self.test_object = DoubleHeap([element]) # when result = self.test_object.popright() # then assert_that(self.test_object).is_empty() assert_that(result).is_equal_to(element)
def test__append__when_empty__then_added(self): # given element = 19 self.test_object = DoubleHeap() # when self.test_object.append(element) # then assert_that(self.test_object).is_length(1) assert_that(self.test_object.left).is_equal_to(element) assert_that(self.test_object.right).is_equal_to(element)
def test__len__when_empty__then_zero(self): self.test_object = DoubleHeap() # when result = len(self.test_object) # then assert_that(result).is_equal_to(0)
def setUp(self): self.test_object = DoubleHeap(self.numbers)