def test_basics():
numbers = [(1, 'I'), (3, 'III'), (4, 'IV'), (27, 'XXVII'), (44, 'XLIV'),
(93, 'XCIII'), (141, 'CXLI'), (402, 'CDII'), (575, 'DLXXV'),
(1024, 'MXXIV'), (3000, 'MMM')]
for num in numbers:
assert (num[0] == convert(num[1]))
for num in numbers:
assert (num[1] == convert(num[0]))
def test_it_work_with_other_numbers():
assert convert(
1776
) == 'MDCCLXXVI' # Date written on the book held by the Statue of Liberty
assert convert(
1954
) == 'MCMLIV' # As in the trailer for the movie The Last Time I Saw Paris
assert convert(
1990
) == 'MCMXC' # Used as the title of musical project Enigma's debut album MCMXC a.D., named after the year of its release.
assert convert(
2014
) == 'MMXIV' # The year of the games of the XXII (22nd) Olympic Winter Games (in Sochi)
assert convert(2017) == 'MMXVII'
assert convert(2018) == 'MMXVIII'
assert convert(717) == 'DCCXVII'
assert convert(777) == 'DCCLXXVII'
assert convert(888) == 'DCCCLXXXVIII'
assert convert(36) == 'XXXVI'
def test_it_fails_when_input_type_is_not_an_int_number():
with pytest.raises(ValueError):
convert({})
with pytest.raises(ValueError):
convert(1.0)
with pytest.raises(ValueError):
convert('random string')
def test_it_works_and_converts_basic_roman_numerals():
"""Given table of basic literals, test if converting works correctly
| Symbol | I | V | X | L | C | D | M |
|--------|-----|-----|------|-------|-------|-------|-------|
| Value | 1 | 5 | 10 | 50 | 100 | 500 | 1000 |
"""
assert convert(1) == 'I'
assert convert(5) == 'V'
assert convert(10) == 'X'
assert convert(50) == 'L'
assert convert(100) == 'C'
assert convert(500) == 'D'
assert convert(1000) == 'M'
def test_it_fails_on_zero_or_negative_number():
with pytest.raises(ValueError):
convert(0)
with pytest.raises(ValueError):
convert(-1)
def test_outside_range(unsupported_value):
with pytest.raises(NotImplementedError):
roman_numerals.convert(unsupported_value)
def test_score(value, numerals):
assert roman_numerals.convert(value) == numerals
chars = '0123456789 '
dtable = CharacterTable(chars)
seq_samples = []
seq_labels = []
used = []
repetitions = 0
generated = 0
print('Generating data...')
while len(seq_samples) < DATASET_SIZE:
number = random.randint(1, 2000)
# skip if already in the dataset
if number in used: continue
used.append(number)
# roman input
roman = cnv.convert(number)
roman += ' ' * (INPUT - len(roman))
# arabic output
arabic = str(number)
arabic += ' ' * (OUTPUT - len(arabic))
seq_samples.append(roman)
seq_labels.append(arabic)
print('Total roman numbers:', len(seq_samples))
# one-hot encoding of all romans and arabic numbers
print('Vectorization...')
x = np.zeros((DATASET_SIZE, INPUT, len(romans)), dtype=np.bool)
y = np.zeros((DATASET_SIZE, OUTPUT, len(chars)), dtype=np.bool)
for i, sentence in enumerate(seq_samples):