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test_compress.py
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test_compress.py
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"""
test compress
"""
import unittest
from compress import Compress
class TestCompress(unittest.TestCase):
def setUp(self):
self.c = Compress()
def test_encode_word_the(self):
enc = self.c.encode_symbol('the')
binary = int(enc, 2)
self.assertEquals(binary, 19)
def test_encode_word_from(self):
enc = self.c.encode_symbol('from')
binary = int(enc, 2)
self.assertEquals(binary, 109)
def test_encode_word_home(self):
enc = self.c.encode_symbol('home')
binary = int(enc, 2)
self.assertEquals(binary, 233)
def test_encode_nonexistent_word(self):
enc = self.c.encode_symbol('no-such-word')
self.assertEquals(None, enc)
def test_encode_char_space(self):
enc = self.c.encode_symbol(' ')
binary = int(enc, 2)
self.assertEquals(binary, 7)
def test_encode_char_e(self):
enc = self.c.encode_symbol('e')
binary = int(enc, 2)
self.assertEquals(binary, 2)
def test_encode_char_w(self):
enc = self.c.encode_symbol('w')
binary = int(enc, 2)
self.assertEquals(binary, 48)
def test_encode_text(self):
enc = self.c.encode('this is')
binary = int(enc, 2)
self.assertEquals(binary, 183)
def test_encode_text_with_punctuation(self):
enc = self.c.encode('foo? is this bar!')
binary = int(enc, 2)
self.assertEquals(binary, 29686222816609210748006L)
def test_encode_decode_1(self):
s = 'you are really cool!'
enc = self.c.encode(s)
dec = self.c.decode(enc)
self.assertEquals(s, dec)
def test_encode_decode_2(self):
s = '? i wonder how . compressed it ! will, be !'
enc = self.c.encode(s)
dec = self.c.decode(enc)
self.assertEquals(s, dec)
def test_encode_decode_3(self):
s = 'xaajj tiko ax auui ahj nn nana nib'
enc = self.c.encode(s)
dec = self.c.decode(enc)
self.assertEquals(s, dec)