def test_isCompressed(self):
'''
Test if the compress function updates iscompressed() properly
'''
for test in succeed_tests:
rle = RLEString(test)
rle.compress()
result = rle.iscompressed()
self.assertTrue(result)
def test_doubleCompress(self):
'''
Test if the compress function handles double-compress
'''
for test in succeed_tests:
with self.assertRaises(Exception):
rle = RLEString(test)
rle.compress()
rle.compress()
def test_compress(self):
'''
Test if the compress function compresses properly
'''
for test in succeed_tests:
rle = RLEString(test)
rle.compress()
result = rle.__str__()
self.assertNotEqual(result, test)
for test in fail_tests:
with self.assertRaises(Exception):
rle = RLEString(test)
rle.compress()
result = rle.__str__()
self.assertNotEqual(result, test)
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)
# NOTE: Change the import below to reflect your filename
from Assignment_8_RLE import RLEString
if __name__ == '__main__':
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()