def test_bifid():
raises(ValueError, lambda: encipher_bifid("abc", "b", "abcde"))
assert encipher_bifid("abc", "b", "abcd") == "bdb"
raises(ValueError, lambda: decipher_bifid("bdb", "b", "abcde"))
assert encipher_bifid("bdb", "b", "abcd") == "abc"
raises(ValueError, lambda: bifid_square("abcde"))
assert bifid5_square("B") == bifid5_square("BACDEFGHIKLMNOPQRSTUVWXYZ")
assert bifid6_square("B0") == bifid6_square("B0ACDEFGHIJKLMNOPQRSTUVWXYZ123456789")
def test_bifid():
raises(ValueError, lambda: encipher_bifid('abc', 'b', 'abcde'))
assert encipher_bifid('abc', 'b', 'abcd') == 'bdb'
raises(ValueError, lambda: decipher_bifid('bdb', 'b', 'abcde'))
assert encipher_bifid('bdb', 'b', 'abcd') == 'abc'
raises(ValueError, lambda: bifid_square('abcde'))
assert bifid5_square("B") == \
bifid5_square('BACDEFGHIKLMNOPQRSTUVWXYZ')
assert bifid6_square('B0') == \
bifid6_square('B0ACDEFGHIJKLMNOPQRSTUVWXYZ123456789')
def test_bifid():
raises(ValueError, lambda: encipher_bifid('abc', 'b', 'abcde'))
assert encipher_bifid('abc', 'b', 'abcd') == 'bdb'
raises(ValueError, lambda: decipher_bifid('bdb', 'b', 'abcde'))
assert encipher_bifid('bdb', 'b', 'abcd') == 'abc'
raises(ValueError, lambda: bifid_square('abcde'))
assert bifid5_square("B") == \
bifid5_square('BACDEFGHIKLMNOPQRSTUVWXYZ')
assert bifid6_square('B0') == \
bifid6_square('B0ACDEFGHIJKLMNOPQRSTUVWXYZ123456789')
def test_bifid6_square():
A = alphabet_of_cipher() + [str(a) for a in range(10)]
f = lambda i, j: symbols(A[6*i + j])
M = Matrix(6, 6, f)
assert bifid6_square("") == M
def test_bifid6_square():
A = bifid6
f = lambda i, j: symbols(A[6*i + j])
M = Matrix(6, 6, f)
assert bifid6_square("") == M
def test_bifid6_square():
A = bifid6
f = lambda i, j: symbols(A[6 * i + j])
M = Matrix(6, 6, f)
assert bifid6_square("") == M
def test_bifid6_square():
A = alphabet_of_cipher() + [str(a) for a in range(10)]
f = lambda i, j: symbols(A[6 * i + j])
M = Matrix(6, 6, f)
assert bifid6_square("") == M
