def test_it_matches_the_expected_size(self):
dummy_frame_name = None
node = CallGraphNode(frame_name=dummy_frame_name,
class_name=None,
file_path=None,
line_no=None)
node.increase_runnable_count()
full_recursive_size_of_node = asizeof.asizeof(node)
frame_name_size = sys.getsizeof(dummy_frame_name)
empty_children_tuple_size = sys.getsizeof(())
assert (MemoryCounter.empty_node_size_bytes == \
(full_recursive_size_of_node \
# The empty size should not include the frame name, so we subtract it
- frame_name_size
# The empty tuple is always reused by Python, so we also subtract it
- empty_children_tuple_size))
def test_when_a_custom_value_to_add_is_used_it_increases_the_runnable_count_by_the_value_to_add(self):
subject = CallGraphNode("dummy_frame", class_name=None, file_path=None, line_no=None)
subject.increase_runnable_count(value_to_add=2)
assert (subject.runnable_count == 2)
def test_when_a_custom_value_to_add_is_used_it_raises_a_value_error(self):
subject = CallGraphNode("dummy_frame", class_name=None, file_path=None, line_no=None)
with pytest.raises(ValueError):
subject.increase_runnable_count(value_to_add=-1)
def test_it_increases_the_runnable_count_by_one(self):
subject = CallGraphNode("dummy_frame", class_name=None, file_path=None, line_no=None)
subject.increase_runnable_count()
assert (subject.runnable_count == 1)