class TestStringCache(unittest.TestCase):
def setUp(self):
# To make test reproducable log the random seed if test fails
self._seed = long(time.time() * 256)
random.seed(self._seed)
self.cache = StringCache()
def _verify_text(self, string, expected):
self.cache.add(string)
assert_equals(("*", expected), self.cache.dump())
def _compress(self, text):
return self.cache._encode(text)
def test_short_test_is_not_compressed(self):
self._verify_text("short", "*short")
def test_long_test_is_compressed(self):
long_string = "long" * 1000
self._verify_text(long_string, self._compress(long_string))
def test_coded_string_is_at_most_1_characters_longer_than_raw(self):
for i in range(300):
id = self.cache.add(self._generate_random_string(i))
assert_true(
i + 1 >= len(self.cache.dump()[id]),
"len(self._text_cache.dump()[id]) (%s) > i+1 (%s) [test seed = %s]"
% (len(self.cache.dump()[id]), i + 1, self._seed),
)
def test_long_random_strings_are_compressed(self):
for i in range(30):
value = self._generate_random_string(300)
id = self.cache.add(value)
assert_equals(
self._compress(value), self.cache.dump()[id], msg="Did not compress [test seed = %s]" % self._seed
)
def _generate_random_string(self, length):
return "".join(random.choice(string.digits) for _ in range(length))
def test_indices_reused_instances(self):
strings = ["", "short", "long" * 1000, ""]
indices1 = [self.cache.add(s) for s in strings]
indices2 = [self.cache.add(s) for s in strings]
for i1, i2 in zip(indices1, indices2):
assert_true(i1 is i2, "not same: %s and %s" % (i1, i2))
class TestStringCache(unittest.TestCase):
def setUp(self):
# To make test reproducable log the random seed if test fails
self._seed = long(time.time() * 256)
random.seed(self._seed)
self.cache = StringCache()
def _verify_text(self, string, expected):
self.cache.add(string)
assert_equals(('*', expected), self.cache.dump())
def _compress(self, text):
return self.cache._encode(text)
def test_short_test_is_not_compressed(self):
self._verify_text('short', '*short')
def test_long_test_is_compressed(self):
long_string = 'long' * 1000
self._verify_text(long_string, self._compress(long_string))
def test_coded_string_is_at_most_1_characters_longer_than_raw(self):
for i in range(300):
id = self.cache.add(self._generate_random_string(i))
assert_true(
i + 1 >= len(self.cache.dump()[id]),
'len(self._text_cache.dump()[id]) (%s) > i+1 (%s) [test seed = %s]'
% (len(self.cache.dump()[id]), i + 1, self._seed))
def test_long_random_strings_are_compressed(self):
for i in range(30):
value = self._generate_random_string(300)
id = self.cache.add(value)
assert_equals(self._compress(value),
self.cache.dump()[id],
msg='Did not compress [test seed = %s]' % self._seed)
def _generate_random_string(self, length):
return ''.join(random.choice(string.digits) for _ in range(length))
def test_indices_reused_instances(self):
strings = ['', 'short', 'long' * 1000, '']
indices1 = [self.cache.add(s) for s in strings]
indices2 = [self.cache.add(s) for s in strings]
for i1, i2 in zip(indices1, indices2):
assert_true(i1 is i2, 'not same: %s and %s' % (i1, i2))
def setUp(self):
# To make test reproducable log the random seed if test fails
self._seed = long(time.time() * 256)
random.seed(self._seed)
self.cache = StringCache()
def setUp(self):
# To make test reproducable log the random seed if test fails
self._seed = int(time.time() * 256)
random.seed(self._seed)
self.cache = StringCache()
