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from hashids import Hashids
import pytest
class TestConstructor(object):
def test_small_alphabet_with_no_repeating_characters(self):
pytest.raises(ValueError, Hashids, alphabet='abcdefghijklmno')
def test_small_alphabet_with_repeating_characters(self):
pytest.raises(ValueError, Hashids, alphabet='abcdecfghijklbmnoa')
class TestEncoding(object):
def test_empty_call(self):
assert Hashids().encode() == ''
def test_default_salt(self):
assert Hashids().encode(1, 2, 3) == 'o2fXhV'
def test_single_number(self):
h = Hashids()
assert h.encode(12345) == 'j0gW'
assert h.encode(1) == 'jR'
assert h.encode(22) == 'Lw'
assert h.encode(333) == 'Z0E'
assert h.encode(9999) == 'w0rR'
def test_multiple_numbers(self):
h = Hashids()
assert h.encode(683, 94108, 123, 5) == 'vJvi7On9cXGtD'
assert h.encode(1, 2, 3) == 'o2fXhV'
assert h.encode(2, 4, 6) == 'xGhmsW'
assert h.encode(99, 25) == '3lKfD'
def test_salt(self):
h = Hashids(salt='Arbitrary string')
assert h.encode(683, 94108, 123, 5) == 'QWyf8yboH7KT2'
assert h.encode(1, 2, 3) == 'neHrCa'
assert h.encode(2, 4, 6) == 'LRCgf2'
assert h.encode(99, 25) == 'JOMh1'
def test_alphabet(self):
h = Hashids(alphabet='!"#%&\',-/0123456789:;<=>ABCDEFGHIJKLMNOPQRSTUVWXYZ_`abcdefghijklmnopqrstuvwxyz~')
assert h.encode(2839, 12, 32, 5) == '_nJUNTVU3'
assert h.encode(1, 2, 3) == '7xfYh2'
assert h.encode(23832) == 'Z6R>'
assert h.encode(99, 25) == 'AYyIB'
def test_short_alphabet(self):
h = Hashids(alphabet='ABcfhistuCFHISTU')
assert h.encode(2839, 12, 32, 5) == 'AABAABBBABAAAuBBAAUABBBBBCBAB'
assert h.encode(1, 2, 3) == 'AAhBAiAA'
assert h.encode(23832) == 'AABAAABABBBAABBB'
assert h.encode(99, 25) == 'AAABBBAAHBBAAB'
def test_min_length(self):
h = Hashids(min_length=25)
assert h.encode(7452, 2967, 21401) == 'pO3K69b86jzc6krI416enr2B5'
assert h.encode(1, 2, 3) == 'gyOwl4B97bo2fXhVaDR0Znjrq'
assert h.encode(6097) == 'Nz7x3VXyMYerRmWeOBQn6LlRG'
assert h.encode(99, 25) == 'k91nqP3RBe3lKfDaLJrvy8XjV'
def test_all_parameters(self):
h = Hashids('arbitrary salt', 16, 'abcdefghijklmnopqrstuvwxyz')
assert h.encode(7452, 2967, 21401) == 'wygqxeunkatjgkrw'
assert h.encode(1, 2, 3) == 'pnovxlaxuriowydb'
assert h.encode(60125) == 'jkbgxljrjxmlaonp'
assert h.encode(99, 25) == 'erdjpwrgouoxlvbx'
def test_alphabet_without_standard_separators(self):
h = Hashids(alphabet='abdegjklmnopqrvwxyzABDEGJKLMNOPQRVWXYZ1234567890')
assert h.encode(7452, 2967, 21401) == 'X50Yg6VPoAO4'
assert h.encode(1, 2, 3) == 'GAbDdR'
assert h.encode(60125) == '5NMPD'
assert h.encode(99, 25) == 'yGya5'
def test_alphabet_with_two_standard_separators(self):
h = Hashids(alphabet='abdegjklmnopqrvwxyzABDEGJKLMNOPQRVWXYZ1234567890uC')
assert h.encode(7452, 2967, 21401) == 'GJNNmKYzbPBw'
assert h.encode(1, 2, 3) == 'DQCXa4'
assert h.encode(60125) == '38V1D'
assert h.encode(99, 25) == '373az'
def test_negative_call(self):
assert Hashids().encode(1, -2, 3) == ''
def test_float_call(self):
assert Hashids().encode(1, 2.5, 3) == ''
def test_encode_hex(self):
assert Hashids().encode_hex('507f1f77bcf86cd799439011') == 'y42LW46J9luq3Xq9XMly'
assert len(Hashids(min_length=1000).encode_hex('507f1f77bcf86cd799439011')) >= 1000
assert Hashids().encode_hex('f000000000000000000000000000000000000000000000000000000000000000000000000000000000000f') == \
'WxMLpERDrmh25Lp4L3xEfM6WovWYO3IjkRMKR2ogCMVzn4zQlqt1WK8jKq7OsEpy2qyw1Vi2p'
def test_illegal_hex(self):
assert Hashids().encode_hex('') == ''
assert Hashids().encode_hex('1234SGT8') == ''
class TestDecoding(object):
def test_empty_string(self):
assert Hashids().decode('') == ()
def test_non_string(self):
assert Hashids().decode(object()) == ()
def test_default_salt(self):
assert Hashids().decode('o2fXhV') == (1, 2, 3)
def test_empty_call(self):
assert Hashids().decode('') == ()
def test_single_number(self):
h = Hashids()
assert h.decode('j0gW') == (12345,)
assert h.decode('jR') == (1,)
assert h.decode('Lw') == (22,)
assert h.decode('Z0E') == (333,)
assert h.decode('w0rR') == (9999,)
def test_multiple_numbers(self):
h = Hashids()
assert h.decode('vJvi7On9cXGtD') == (683, 94108, 123, 5)
assert h.decode('o2fXhV') == (1, 2, 3)
assert h.decode('xGhmsW') == (2, 4, 6)
assert h.decode('3lKfD') == (99, 25)
def test_salt(self):
h = Hashids(salt='Arbitrary string')
assert h.decode('QWyf8yboH7KT2') == (683, 94108, 123, 5)
assert h.decode('neHrCa') == (1, 2, 3)
assert h.decode('LRCgf2') == (2, 4, 6)
assert h.decode('JOMh1') == (99, 25)
def test_alphabet(self):
h = Hashids(alphabet='!"#%&\',-/0123456789:;<=>ABCDEFGHIJKLMNOPQRSTUVWXYZ_`abcdefghijklmnopqrstuvwxyz~')
assert h.decode('_nJUNTVU3') == (2839, 12, 32, 5)
assert h.decode('7xfYh2') == (1, 2, 3)
assert h.decode('Z6R>') == (23832,)
assert h.decode('AYyIB') == (99, 25)
def test_min_length(self):
h = Hashids(min_length=25)
assert h.decode('pO3K69b86jzc6krI416enr2B5') == (7452, 2967, 21401)
assert h.decode('gyOwl4B97bo2fXhVaDR0Znjrq') == (1, 2, 3)
assert h.decode('Nz7x3VXyMYerRmWeOBQn6LlRG') == (6097,)
assert h.decode('k91nqP3RBe3lKfDaLJrvy8XjV') == (99, 25)
def test_all_parameters(self):
h = Hashids('arbitrary salt', 16, 'abcdefghijklmnopqrstuvwxyz')
assert h.decode('wygqxeunkatjgkrw') == (7452, 2967, 21401)
assert h.decode('pnovxlaxuriowydb') == (1, 2, 3)
assert h.decode('jkbgxljrjxmlaonp') == (60125,)
assert h.decode('erdjpwrgouoxlvbx') == (99, 25)
def test_invalid_hash(self):
assert Hashids(alphabet='abcdefghijklmnop').decode('qrstuvwxyz') == ()
def test_alphabet_without_standard_separators(self):
h = Hashids(alphabet='abdegjklmnopqrvwxyzABDEGJKLMNOPQRVWXYZ1234567890')
assert h.decode('X50Yg6VPoAO4') == (7452, 2967, 21401)
assert h.decode('GAbDdR') == (1, 2, 3)
assert h.decode('5NMPD') == (60125,)
assert h.decode('yGya5') == (99, 25)
def test_alphabet_with_two_standard_separators(self):
h = Hashids(alphabet='abdegjklmnopqrvwxyzABDEGJKLMNOPQRVWXYZ1234567890uC')
assert h.decode('GJNNmKYzbPBw') == (7452, 2967, 21401)
assert h.decode('DQCXa4') == (1, 2, 3)
assert h.decode('38V1D') == (60125,)
assert h.decode('373az') == (99, 25)
def test_only_one_valid(self):
h = Hashids(min_length=6)
assert h.decode(h.encode(1)[:-1] + '0') == ()
def test_decode_hex(self):
hex_str = '507f1f77bcf86cd799439011'
assert Hashids().decode_hex('y42LW46J9luq3Xq9XMly') == hex_str
h = Hashids(min_length=1000)
assert h.decode_hex(h.encode_hex(hex_str)) == hex_str
assert Hashids().decode_hex('WxMLpERDrmh25Lp4L3xEfM6WovWYO3IjkRMKR2ogCMVzn4zQlqt1WK8jKq7OsEpy2qyw1Vi2p') == \
'f000000000000000000000000000000000000000000000000000000000000000000000000000000000000f'
def test_illegal_decode_hex(self):
assert Hashids().decode_hex('') == ''
assert Hashids().decode_hex('WxMLpERDrmh25Lp4L3xEfM6WovWYO3IjkRMKR2ogCMVlqt1WK8jKq7OsEp1Vi2p') == ''
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