def test_nickname():
assert count_unique_names("Deborah", "Egli", "Debbie", "Egli",
"Debbie Egli") == 1
def test_different_card_to_others():
assert count_unique_names("Michele", "Egli", "Michele", "Egli",
"Deborah Egli") == 2
def test_all_different():
assert count_unique_names("Michele", "Egli", "dave", "Egli",
"Deborah Egli") == 3
def test_used_middle_name():
assert count_unique_names("Michele", "Egli", "Deborah", "Egli",
"Deborah Michele Egli") == 1
def test_different_bill_to_others():
assert count_unique_names("Deborah", "Egli", "Michele", "Egli",
"Michele Egli") == 2
def test_reorder_used_middle_name():
assert count_unique_names("Deborah", "Egli", "Michelle", "Egli",
" Egli Deborah Michelle") == 1
def test_reorder_typo():
assert count_unique_names("Debarah", "Elli", "Egli", "Deborah",
"Deborah Egli") == 1
def test_different_typos():
assert count_unique_names("Deborah", "Egki", "Deborah", "Eglu",
"Deborah Egli") == 1
def test_unused_middle_name():
assert count_unique_names("Deborah S", "Egli", "Deborah", "Egli",
"Egli Deborah") == 1
def test_basic_name():
assert count_unique_names("Deborah", "Egli", "Deborah", "Egli",
"Deborah Egli") == 1
def test_typo_nickname_and_no_nickname():
assert count_unique_names("Debarah", "Egli", "Debbie", "Egli",
"Deborah Egli") == 1
def test_letter_swap_typo():
assert count_unique_names("Deobrah", "Egli", "Deborah", "Egli",
"Deborah Egli") == 1
def test_two_letter_typo():
assert count_unique_names("Deborah", "Engi", "Deborah", "Egli",
"Deborah Egli") == 1
def test_typo():
assert count_unique_names("Deborah", "Egni", "Deborah", "Egli",
"Deborah Egli") == 1