def test_isDeompressed(self):
'''
Test if the compress function updates iscompressed() properly
'''
for test in succeed_tests:
rle = RLEString(test)
rle.compress()
rle.decompress()
result = rle.iscompressed()
self.assertFalse(result)
def test_decompress(self):
'''
Test if the decompress function decompresses properly
'''
for test in succeed_tests:
rle = RLEString(test)
rle.compress()
rle.decompress()
result = rle.__str__()
self.assertEqual(result, test)
def test_doubleDecompress(self):
'''
Test if the compress function handles double-decompress
'''
for test in succeed_tests:
with self.assertRaises(Exception):
rle = RLEString(test)
rle.compress()
rle.decompress()
rle.decompress()
tests = [
"aaa", "a", "TTTTTeeeesssst", "AAAABBBBCCCCDEFGHIIIIIIJJ",
"There are more than 3 non-alphabeticals in this one when we count spaces!",
"abcdefghjiklmno", ""
]
for t in tests:
try:
rle = RLEString(t)
print("Original: %s" % (rle))
rle.compress()
compressed = rle.__str__()
if compressed == t:
raise Exception("Original string equals compressed!")
pass
print("Compressed: %s" % (rle))
rle.decompress()
if not rle.__str__() == t:
raise Exception(
"Compression error, expected original after decompress!")
rle.decompress()
rle.compress()
rle.compress()
except Exception as e:
print(e)
pass