def test_decrypt_wrap_long():
"""
Test basic decrypt text function, wrapping around 1 or more times
"""
assert Ceasar.decrypt("npqusn", 30) == "jlmqoj"
assert Ceasar.decrypt("pasdads", 94) == "zkcnknc"
assert Ceasar.decrypt("PASDADS", 94) == "ZKCNKNC"
def test_encrypt_wrap_long():
"""
Test basic encrypt text function, wrapping around 1 or more times
"""
assert Ceasar.encrypt("jklmnop", 30) == "nopqrst"
assert Ceasar.encrypt("zanj", 94) == "pqdz"
assert Ceasar.encrypt("ZANJ", 94) == "PQDZ"
def test_encrypt():
"""
Test basic encrypt text function, with lower and upper case characters
"""
assert Ceasar.encrypt("abcdefghijklmn", 1) == "bcdefghijklmno"
assert Ceasar.encrypt("jklmnop", 5) == "opqrstu"
assert Ceasar.encrypt("xyza", 2) == "zabc"
assert Ceasar.encrypt("XYZA", 2) == "ZABC"
def test_decrypt():
"""
Test basic decrypt text function, with lower and upper case characters
"""
assert Ceasar.decrypt("bcdefghijklmno", 1) == "abcdefghijklmn"
assert Ceasar.decrypt("opqrstu", 5) == "jklmnop"
assert Ceasar.decrypt("zabc", 2) == "xyza"
assert Ceasar.decrypt("ZABC", 2) == "XYZA"
def test_encrypt_letter():
"""
Test basic encrypt letters function with lower and upper case letters
"""
assert Ceasar._encrypt_letter("a", 1) == "b"
assert Ceasar._encrypt_letter("j", 5) == "o"
assert Ceasar._encrypt_letter("x", 2) == "z"
assert Ceasar._encrypt_letter("J", 5) == "O"
assert Ceasar._encrypt_letter("X", 2) == "Z"
def test_decrypt_letter():
"""
Test basic decrypt letters function with lower and upper case letters
"""
assert Ceasar._decrypt_letter("b", 1) == "a"
assert Ceasar._decrypt_letter("o", 5) == "j"
assert Ceasar._decrypt_letter("z", 2) == "x"
assert Ceasar._decrypt_letter("O", 5) == "J"
assert Ceasar._decrypt_letter("Z", 2) == "X"
def test_decrypt_letter_wrap_long():
"""
Test basic decrypt letters function, wrapping around 1 or more times
"""
assert Ceasar._decrypt_letter("N", 30) == "J"
assert Ceasar._decrypt_letter("p", 94) == "z"
def test_encrypt_letter_wrap_long():
"""
Test basic encrypt letters function, wrapping around 1 or more times
"""
assert Ceasar._encrypt_letter("j", 30) == "n"
assert Ceasar._encrypt_letter("Z", 94) == "P"
def test_decrypt_letter_non_character():
"""
Assert there is an error when trying to decrypt a non character
"""
with pytest.raises(NotAllowedValue):
assert Ceasar._decrypt_letter("0", 10)
def test_decrypt_letter_wrap():
"""
Test basic decrypt letters function, wrapping around the alphabet
"""
assert Ceasar._decrypt_letter("A", 1) == "Z"
assert Ceasar._decrypt_letter("e", 5) == "z"
def test_encrypt_letter_wrap():
"""
Test basic encrypt letters function, wrapping around the alphabet
"""
assert Ceasar._encrypt_letter("z", 1) == "a"
assert Ceasar._encrypt_letter("Z", 5) == "E"
def test_decrypt_letter_no_offset():
"""
Test basic decrypt letters function omitting `offset` parameter
"""
assert Ceasar._decrypt_letter("r") == "r"
def test_decrypt_caps_alternate():
"""
Test basic decrypt text function, with upper and lower case characters in the same text
"""
assert Ceasar.decrypt("FgHiJk", 5) == "AbCdEf"
def test_decrypt_non_character():
"""
Assert there is an error when trying to decrypt a text with a non character
"""
with pytest.raises(NotAllowedValue):
assert Ceasar.decrypt("abcdefh0", 10)
def test_decrypt_no_offset():
"""
Test basic decrypt text function, omitting `offset` parameter
"""
assert Ceasar.decrypt("abdef") == "abdef"