def test_decrypt_key_lt_0(self):
"""test decrypt key < 25"""
self.assertEqual(
decrypt_content("xyzabcdefghijklmnopqrstuvw", key=-3), ascii_lowercase
)
def test_decrypt_key_gt_25(self):
"""test decrypt key > 25"""
self.assertEqual(
decrypt_content("DEFGHIJKLMNOPQRSTUVWXYZABC", key=29), ascii_uppercase
)
def test_decrypt_rotation_lowercase_13(self):
"""test decrypt rotation lowercase -> k=13"""
self.assertEqual(decrypt_content("nopqrstuvwxyzabcdefghijklm"), ascii_lowercase)
def test_decrypt_non_ascii_letters_13(self):
"""test decrypt special chars like é, à, õ, ã, ç, etc... -> k=13"""
content = punctuation + digits + whitespace + "àèáéíóúàãõâêîôûñ"
self.assertEqual(decrypt_content(content), content)
def test_decrypt_rotation_uppercase_13(self):
"""test decrypt rotation uppercase -> k=13"""
self.assertEqual(decrypt_content("NOPQRSTUVWXYZABCDEFGHIJKLM"), ascii_uppercase)