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import uuid
from nose.tools import eq_
from kazoo.testing import KazooTestCase
class KazooCounterTests(KazooTestCase):
def _makeOne(self, **kw):
path = "/" + uuid.uuid4().hex
return self.client.Counter(path, **kw)
def test_int_counter(self):
counter = self._makeOne()
eq_(counter.value, 0)
counter += 2
counter + 1
eq_(counter.value, 3)
counter -= 3
counter - 1
eq_(counter.value, -1)
def test_int_curator_counter(self):
counter = self._makeOne(support_curator=True)
eq_(counter.value, 0)
counter += 2
counter + 1
eq_(counter.value, 3)
counter -= 3
counter - 1
eq_(counter.value, -1)
counter += 1
counter += 2147483647
eq_(counter.value, 2147483647)
counter -= 2147483647
counter -= 2147483647
eq_(counter.value, -2147483647)
def test_float_counter(self):
counter = self._makeOne(default=0.0)
eq_(counter.value, 0.0)
counter += 2.1
eq_(counter.value, 2.1)
counter -= 3.1
eq_(counter.value, -1.0)
def test_errors(self):
counter = self._makeOne()
self.assertRaises(TypeError, counter.__add__, 2.1)
self.assertRaises(TypeError, counter.__add__, b"a")
with self.assertRaises(TypeError):
counter = self._makeOne(default=0.0, support_curator=True)
def test_pre_post_values(self):
counter = self._makeOne()
eq_(counter.value, 0)
eq_(counter.pre_value, None)
eq_(counter.post_value, None)
counter += 2
eq_(counter.pre_value, 0)
eq_(counter.post_value, 2)
counter -= 3
eq_(counter.pre_value, 2)
eq_(counter.post_value, -1)
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