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test_sqlqueue.py
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test_sqlqueue.py
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import unittest
import sqlqueue
from pysqlite2 import dbapi2 as sqlite
class TestSqlQueue(unittest.TestCase):
def setUp(self):
self.db = sqlite.connect(":memory:")
self.q = sqlqueue.SqliteQueue('test', self.db)
def test1(self):
self.assertEqual(len(self.q), 0)
self.q.push('foo')
self.assertEqual(len(self.q), 1)
self.assertEqual(self.q.pop(), 'foo')
self.assertEqual(len(self.q), 0)
def test2(self):
l = []
f = open('/dev/urandom','rb').read
for x in xrange(100):
z = f(20)
l.insert(0, z)
self.q.push(z)
self.assertEqual(len(self.q), len(l))
for x in xrange(100):
self.assertEqual(self.q.pop(), l.pop())
self.assertEqual(len(self.q), len(l))
self.assertEqual(len(self.q), 0)
def test3(self):
l = []
f = open('/dev/urandom','rb').read
for x in xrange(100):
z = f(20)
l.insert(0, z)
self.q.push(z)
self.assertEqual(len(self.q), 100)
for x in self.q:
self.assertEqual(x, l.pop())
def test4(self):
l = []
f = open('/dev/urandom','rb').read
for x in xrange(100):
z = f(20)
l.insert(0, z)
self.q.push(z)
l.reverse()
count = 0
for x in reversed(self.q):
self.assertEqual(x, l.pop())
count += 1
self.assertEqual(count, 100)
def test5(self):
l = []
f = open('/dev/urandom','rb').read
for x in xrange(100):
z = f(20)
l.insert(0, z)
self.q.push(z)
for i in xrange(1000):
z = 0
for x in reversed(self.q):
self.assertEqual(x, l[z])
z+=1
z = 99
for x in self.q:
self.assertEqual(x, l[z])
z-= 1
self.assertEqual(z, -1)
if __name__ == '__main__':
unittest.main()