def test_insert_sort_sorts_big_list():
"""Test that insert sort sorts big list."""
from insert import insert_sort
from random import shuffle
big_list = list(range(100))
shuffle(big_list)
assert insert_sort(big_list) == list(range(100))
def kruskal(arestas):
arestas, vertices = insert_sort(arestas, defaultdict())
# Inicializa a árvore de fato
arvore = list()
# vertices terá o número de chaves do dicionário retornado pelo insertion_sort
tamanhoArvore = len(vertices.keys())
i = 0
# Enquanto o tamanho da árvore é menor que o tamanho do dicionário de vértices,
while len(arvore) < tamanhoArvore - 1:
# Utilizamos todas as arestas
aresta = arestas[i]
i += 1
# Para verificar o peso das arestas com o dicionário
if vertices[aresta.first] < 2 and vertices[aresta.second] < 2:
vertices[aresta.first] += 1
vertices[aresta.second] += 1
arvore.append(aresta)
# Não se utiliza todo o dicionário pois o tamanho da árvore quebra o while antes disso
return arvore
print("bubble_sorted_list1: " + str(bubble_sorted_list1))
print("bubble_sorted_list2: " + str(bubble_sorted_list2))
print("bubble_sorted_list3: " + str(bubble_sorted_list3))
# 选择排序
list1, list2, list3 = get_list()
select_sorted_list1 = select_sort(list1)
select_sorted_list2 = select_sort(list2)
select_sorted_list3 = select_sort(list3)
print("select_sorted_list1: " + str(select_sorted_list1))
print("select_sorted_list2: " + str(select_sorted_list2))
print("select_sorted_list3: " + str(select_sorted_list3))
# 插入排序
list1, list2, list3 = get_list()
insert_sorted_list1 = insert_sort(list1)
insert_sorted_list2 = insert_sort(list2)
insert_sorted_list3 = insert_sort(list3)
print("insert_sorted_list1: " + str(insert_sorted_list1))
print("insert_sorted_list2: " + str(insert_sorted_list2))
print("insert_sorted_list3: " + str(insert_sorted_list3))
# 希尔排序
list1, list2, list3 = get_list()
shell_sorted_list1 = shell_sort(list1)
shell_sorted_list2 = shell_sort(list2)
shell_sorted_list3 = shell_sort(list3)
print("shell_sorted_list1: " + str(shell_sorted_list1))
print("shell_sorted_list2: " + str(shell_sorted_list2))
print("shell_sorted_list3: " + str(shell_sorted_list3))
def test_insert_sort_on_list_of_letters():
"""Test insert sort with list of letters."""
from insert import insert_sort
assert insert_sort(['b', 'f', 'p', 's', 'a']) == ['a', 'b', 'f', 'p', 's']
def test_insert_sort_on_one_item_list():
"""Test insert sort with single item list."""
from insert import insert_sort
assert insert_sort([5]) == [5]
def test_insert_sort_on_empty_list():
"""Test insert sort returns empty list on empty list."""
from insert import insert_sort
assert insert_sort([]) == []
def test_insert_sort_n_2_list():
"""Test insert sort works on descending value list."""
from insert import insert_sort
assert insert_sort([6, 5, 4, 3, 2, 1]) == [1, 2, 3, 4, 5, 6]
def test_insert_sort_raises_type_error_if_input_not_list():
"""Test that insert sort will raise an error if input not a list."""
with pytest.raises(TypeError):
from insert import insert_sort
insert_sort((1, 2, 4, 3))
def test_insert_sort_with_medium_lists(unsorted_l, sorted_l):
"""Test insert sort with medium lists."""
from insert import insert_sort
assert insert_sort(unsorted_l) == sorted_l
def test_insert_sort_sorts_small_list():
"""Test that insert sort sorts small list."""
from insert import insert_sort
assert insert_sort([4, 10, 7, 1, 9]) == [1, 4, 7, 9, 10]