def test_topology_normalization(topology_with_dupl_links, normalized_topology_example):
"""Проверка удаления дублей в топологии"""
top_with_data = task_22_1c.Topology(topology_with_dupl_links)
assert (
type(top_with_data.topology) == dict
), f"По заданию в переменной topology должен быть словарь, а не {type(top_with_data.topology).__name__}"
assert len(top_with_data.topology) == len(
normalized_topology_example
), "После создания экземпляра, в переменной topology должна находиться топология без дублей"
def test_topology_normalization(topology_with_dupl_links,
normalized_topology_example):
"""Checking the removal of duplicates in a topology"""
top_with_data = task_22_1c.Topology(topology_with_dupl_links)
assert (
type(top_with_data.topology) == dict
), f"topology attribute should be a dictionary, not a {type(top_with_data.topology).__name__}"
assert len(top_with_data.topology) == len(
normalized_topology_example
), "After creating an instance, the topology attribute should contain a topology without duplicates"
correct_topology = unify_topology_dict(normalized_topology_example)
return_value = task_22_1c.Topology(topology_with_dupl_links)
return_topology = unify_topology_dict(return_value.topology)
assert (
type(return_value.topology) == dict
), f"topology attribute should be a dictionary, not a {type(top_with_data.topology).__name__}"
assert len(correct_topology) == len(
return_value.topology
), "After creating an instance, the topology attribute should contain a topology without duplicates"
def test_method_delete_node(normalized_topology_example, capsys):
return_value = task_22_1c.Topology(normalized_topology_example)
node = "SW1"
delete_node_result = return_value.delete_node(node)
assert None == delete_node_result, "The delete_node method should return None"
ports_with_node = [
src for src, dst in return_value.topology.items()
if node in src or node in dst
]
assert 0 == len(ports_with_node), "Links to host SW1 have not been deleted"
assert 3 == len(return_value.topology
), "Only three connections should remain in the topology"
return_value.delete_node(node)
stdout, err = capsys.readouterr()
assert (
"There is no such device" in stdout
), "When deleting a non-existent device, the message 'There is no such device' was not displayed"
def test_method_delete_node(normalized_topology_example, capsys):
norm_top = task_22_1c.Topology(normalized_topology_example)
node = "SW1"
delete_node_result = norm_top.delete_node(node)
assert delete_node_result == None, "The delete_node method should return None"
ports_with_node = [
src for src, dst in norm_top.topology.items()
if node in src or node in dst
]
assert len(ports_with_node) == 0, "Links to host SW1 have not been deleted"
assert (len(norm_top.topology) == 3
), "Only three connections should remain in the topology"
norm_top.delete_node(node)
out, err = capsys.readouterr()
node_msg = "There is no such device"
assert (
node_msg in out
), "When deleting a non-existent device, the message 'There is no such device' was not displayed"
def test_method_delete_node(normalized_topology_example, capsys):
"""Проверка работы метода delete_node"""
return_value = task_22_1c.Topology(normalized_topology_example)
node = "SW1"
delete_node_result = return_value.delete_node(node)
assert None == delete_node_result, "Метод delete_node не должен ничего возвращать"
ports_with_node = [
src for src, dst in return_value.topology.items() if node in src or node in dst
]
assert 0 == len(ports_with_node), "Соединения с хостом SW1 не были удалены"
assert 3 == len(
return_value.topology
), "В топологии должны остаться только три соединения"
# проверка удаления несуществующего устройства
return_value.delete_node(node)
out, err = capsys.readouterr()
assert (
"Такого устройства нет" in out
), "При удалении несуществующего устройства, не было выведено сообщение 'Такого устройства нет'"
def test_method_delete_node_created(
topology_with_dupl_links, normalized_topology_example
):
"""Проверяем, что в объекте Topology есть метод delete_node"""
return_value = task_22_1c.Topology(normalized_topology_example)
check_attr_or_method(return_value, method="delete_node")
def test_attr_topology(topology_with_dupl_links):
"""Проверяем, что в объекте Topology есть атрибут topology"""
top_with_data = task_22_1c.Topology(topology_with_dupl_links)
check_attr_or_method(top_with_data, attr="topology")
def test_method_delete_node_created(topology_with_dupl_links,
normalized_topology_example):
return_value = task_22_1c.Topology(normalized_topology_example)
check_attr_or_method(return_value, method="delete_node")
def test_attr_topology(topology_with_dupl_links):
"""Checking that the Topology object has a topology attribute"""
top_with_data = task_22_1c.Topology(topology_with_dupl_links)
check_attr_or_method(top_with_data, attr="topology")