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|
# coding=utf-8
import unittest
import random
from threading import Thread
import time
import sys
from persistqueue.mysqlqueue import MySQLQueue
from persistqueue import Empty
# db config aligned with .circleci/config.yml
db_conf = {
"host": "127.0.0.1",
"user": "user",
"passwd": "passw0rd",
"db_name": "testqueue",
# "name": "",
"port": 3306
}
# for appveyor (windows ci), not able to config use the default
# https://www.appveyor.com/docs/services-databases/#mysql
if sys.platform.startswith('win32'):
db_conf = {
"host": "127.0.0.1",
"user": "root",
"passwd": "Password12!",
"db_name": "testqueue",
# "name": "",
"port": 3306
}
class MySQLQueueTest(unittest.TestCase):
"""tests that focus on feature specific to mysql"""
def setUp(self):
_name = self.id().split(".")[-1:]
_name.append(str(time.time()))
self._table_name = ".".join(_name)
self.queue_class = MySQLQueue
self.mysql_queue = MySQLQueue(name=self._table_name,
**db_conf)
self.queue = self.mysql_queue
def tearDown(self):
pass
tmp_conn = self.mysql_queue.get_pooled_conn()
tmp_conn.cursor().execute(
"drop table if exists %s" % self.mysql_queue._table_name)
tmp_conn.commit()
@unittest.skip("disable unittest")
def test_raise_empty(self):
q = self.queue
q.put('first')
d = q.get()
self.assertEqual('first', d)
self.assertRaises(Empty, q.get, block=False)
self.assertRaises(Empty, q.get_nowait)
# assert with timeout
self.assertRaises(Empty, q.get, block=True, timeout=1.0)
# assert with negative timeout
self.assertRaises(ValueError, q.get, block=True, timeout=-1.0)
del q
@unittest.skip("disable unittest")
def test_empty(self):
q = self.queue
self.assertEqual(q.empty(), True)
q.put('first')
self.assertEqual(q.empty(), False)
q.get()
self.assertEqual(q.empty(), True)
@unittest.skip("disable unittest")
def test_full(self):
# SQL queue `full()` always returns `False` !!
q = self.queue
self.assertEqual(q.full(), False)
q.put('first')
self.assertEqual(q.full(), False)
q.get()
self.assertEqual(q.full(), False)
@unittest.skip("disable unittest")
def test_open_close_single(self):
"""Write 1 item, close, reopen checking if same item is there"""
q = self.queue
q.put(b'var1')
del q
q = MySQLQueue(name=self._table_name,
**db_conf)
self.assertEqual(1, q.qsize())
self.assertEqual(b'var1', q.get())
@unittest.skip("disable unittest")
def test_open_close_1000(self):
"""Write 1000 items, close, reopen checking if all items are there"""
q = self.queue
for i in range(1000):
q.put('var%d' % i)
self.assertEqual(1000, q.qsize())
del q
q = MySQLQueue(name=self._table_name,
**db_conf)
self.assertEqual(1000, q.qsize())
for i in range(1000):
data = q.get()
self.assertEqual('var%d' % i, data)
# assert adding another one still works
q.put('foobar')
data = q.get()
self.assertEqual('foobar', data)
@unittest.skip("disable unittest")
def test_random_read_write(self):
"""Test random read/write"""
q = self.queue
n = 0
for _ in range(1000):
if random.random() < 0.5:
if n > 0:
q.get()
n -= 1
else:
self.assertRaises(Empty, q.get, block=False)
else:
q.put('var%d' % random.getrandbits(16))
n += 1
@unittest.skip("disable unittest")
def test_multi_threaded_parallel(self):
"""Create consumer and producer threads, check parallelism"""
m_queue = self.queue
def producer():
for i in range(1000):
m_queue.put('var%d' % i)
def consumer():
for i in range(1000):
x = m_queue.get(block=True)
self.assertEqual('var%d' % i, x)
c = Thread(target=consumer)
c.start()
p = Thread(target=producer)
p.start()
p.join()
c.join()
self.assertEqual(0, m_queue.size)
self.assertEqual(0, len(m_queue))
self.assertRaises(Empty, m_queue.get, block=False)
@unittest.skip("disable unittest")
def test_multi_threaded_multi_producer(self):
"""Test mysqlqueue can be used by multiple producers."""
queue = self.queue
def producer(seq):
for i in range(10):
queue.put('var%d' % (i + (seq * 10)))
def consumer():
for _ in range(100):
data = queue.get(block=True)
self.assertTrue('var' in data)
c = Thread(target=consumer)
c.start()
producers = []
for seq in range(10):
t = Thread(target=producer, args=(seq,))
t.start()
producers.append(t)
for t in producers:
t.join()
c.join()
@unittest.skip("disable unittest")
def test_multiple_consumers(self):
"""Test mysqlqueue can be used by multiple consumers."""
queue = self.queue
def producer():
for x in range(1000):
queue.put('var%d' % x)
counter = []
# Set all to 0
for _ in range(1000):
counter.append(0)
def consumer(t_index):
for i in range(200):
data = queue.get(block=True)
self.assertTrue('var' in data)
counter[t_index * 200 + i] = data
p = Thread(target=producer)
p.start()
consumers = []
for index in range(5):
t = Thread(target=consumer, args=(index,))
t.start()
consumers.append(t)
p.join()
for t in consumers:
t.join()
self.assertEqual(0, queue.qsize())
for x in range(1000):
self.assertNotEqual(0, counter[x],
"not 0 for counter's index %s" % x)
self.assertEqual(len(set(counter)), len(counter))
@unittest.skip("disable unittest")
def test_task_done_with_restart(self):
"""Test that items are not deleted before task_done."""
q = self.queue
for i in range(1, 11):
q.put(i)
self.assertEqual(1, q.get())
self.assertEqual(2, q.get())
# size is correct before task_done
self.assertEqual(8, q.qsize())
q.task_done()
# make sure the size still correct
self.assertEqual(8, q.qsize())
self.assertEqual(3, q.get())
# without task done
del q
q = MySQLQueue(name=self._table_name,
**db_conf)
# After restart, the qsize and head item are the same
self.assertEqual(7, q.qsize())
# After restart, the queue still works
self.assertEqual(4, q.get())
self.assertEqual(6, q.qsize())
# auto_commit=False
del q
q = MySQLQueue(name=self._table_name, auto_commit=False,
**db_conf)
self.assertEqual(6, q.qsize())
# After restart, the queue still works
self.assertEqual(5, q.get())
self.assertEqual(5, q.qsize())
del q
q = MySQLQueue(name=self._table_name, auto_commit=False,
**db_conf)
# After restart, the queue still works
self.assertEqual(5, q.get())
self.assertEqual(5, q.qsize())
@unittest.skip("disable unittest")
def test_protocol_1(self):
q = self.queue
self.assertEqual(q._serializer.protocol,
2 if sys.version_info[0] == 2 else 4)
@unittest.skip("disable unittest")
def test_protocol_2(self):
q = self.queue
self.assertEqual(q._serializer.protocol,
2 if sys.version_info[0] == 2 else 4)
@unittest.skip("disable unittest")
def test_json_serializer(self):
q = self.queue
x = dict(
a=1,
b=2,
c=dict(
d=list(range(5)),
e=[1]
))
q.put(x)
self.assertEqual(q.get(), x)
@unittest.skip("disable unittest")
def test_put_0(self):
q = self.queue
q.put(0)
d = q.get(block=False)
self.assertIsNotNone(d)
@unittest.skip("disable unittest")
def test_get_id(self):
q = self.queue
q.put("val1")
val2_id = q.put("val2")
q.put("val3")
item = q.get(id=val2_id)
# item id should be 2
self.assertEqual(val2_id, 2)
# item should get val2
self.assertEqual(item, 'val2')
@unittest.skip("disable unittest")
def test_get_raw(self):
q = self.queue
q.put("val1")
item = q.get(raw=True)
# item should get val2
self.assertEqual(True, "pqid" in item)
self.assertEqual(item.get("data"), 'val1')
@unittest.skip("disable unittest")
def test_queue(self):
q = self.queue
q.put("val1")
q.put("val2")
q.put("val3")
# queue should get the three items
d = q.queue()
self.assertEqual(len(d), 3)
self.assertEqual(d[1].get("data"), "val2")
@unittest.skip("disable unittest")
def test_update(self):
q = self.queue
qid = q.put("val1")
q.update(item="val2", id=qid)
item = q.get(id=qid)
self.assertEqual(item, "val2")
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