def test_lookup_by_orig_isbn_is_invalid(self):
random_item = random.sample(list(Title.select("isbn RLIKE '^[0-9]{13}$'")), 1)[
0
]
wrong_isbn = random_item.isbn[0:12] + str((int(random_item.isbn[12]) + 1) % 10)
print(random_item.isbn, wrong_isbn)
with self.assertRaises((isbnlib.NotValidISBNError, isbnlib._exceptions.NotValidISBNError)):
inventory.lookup_by_isbn(wrong_isbn)
def test_lookup_by_orig_isbn_is_valid(self):
random_item = random.sample(list(Title.select("isbn RLIKE '^[0-9]{13}$'")), 1)[
0
]
result = inventory.lookup_by_isbn(random_item.isbn)
self.assertEqual(
random_item.isbn,
result["isbn"],
"inventory.lookup_by_isbn returned wrong isbn for random isbn in database",
)
def test_lookup_by_isbn_is_wsr(self):
random_item = random.sample(
list(Title.select("isbn RLIKE 'wsr [0-9]{3,5}'")), 1
)[0]
result = inventory.lookup_by_isbn(random_item.isbn)
self.assertEqual(
random_item.isbn,
result["isbn"],
"inventory.lookup_by_isbn returned wrong isbn for random isbn (wsr) in database",
)
def test_lookup_by_orig_isbn_has_extra_hyphens(self):
random_item = random.sample(list(Title.select("isbn RLIKE '^[0-9]{13}$'")), 1)[
0
]
prepared_isbn = (
random_item.isbn[0:3]
+ "-"
+ random_item.isbn[3:8]
+ "-"
+ random_item.isbn[8:]
)
result = inventory.lookup_by_isbn(prepared_isbn)
self.assertEqual(
random_item.isbn,
result["isbn"],
"inventory.lookup_by_isbn returned wrong isbn for random isbn in database",
)
def test_lookup_by_isbn10_is_invalid(self):
# translation table of checkdigits to wrong ones (digit plus 1)
tr_table = dict(
list(
zip(
["x", "X"] + list(map(str, list(range(9, -1, -1)))),
["0", "0", "x"] + list(map(str, list(range(9, 0, -1)))),
)
)
)
random_item = random.sample(list(Title.select("isbn RLIKE '^[0-9]{13}$'")), 1)[
0
]
wrong_isbn = isbnlib.to_isbn10(random_item.isbn)
wrong_isbn = wrong_isbn[0:9] + tr_table[wrong_isbn[9]]
with self.assertRaises((isbnlib.NotValidISBNError, isbnlib._exceptions.NotValidISBNError)):
result = inventory.lookup_by_isbn(wrong_isbn)
def test_lookup_by_isbn10_dont_have(self):
isbn_we_will_never_have = "0060723467" # Dick Cheney's autobiography
result = inventory.lookup_by_isbn(isbn_we_will_never_have)
print("RESULT IS:", result)
isbn_we_will_never_have = isbnlib.to_isbn13(isbn_we_will_never_have)
self.assertEqual(isbn_we_will_never_have, result["isbn"])