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#!/usr/bin/env python -O
# -*- coding: utf-8 -*-
import unittest
import mariadb
import platform
from test.base_test import create_connection, conf, is_skysql, is_maxscale
@unittest.skipIf(platform.python_implementation() == "PyPy",
"skip pooling tests for PyPy")
class TestPooling(unittest.TestCase):
def setUp(self):
pass
# self.connection = create_connection()
# self.connection.autocommit = False
def tearDown(self):
pass
# del self.connection
def test_connection_pools(self):
pool = mariadb.ConnectionPool(pool_name="test_connection")
self.assertEqual(mariadb._CONNECTION_POOLS["test_connection"], pool)
pool.close()
self.assertEqual(mariadb._CONNECTION_POOLS, {})
def test_conpy39(self):
try:
mariadb.ConnectionPool()
except mariadb.ProgrammingError:
pass
def test_conpy246(self):
# test if a pooled connection will be roll backed
default_conf = conf()
pool = mariadb.ConnectionPool(pool_name="CONPY246",
pool_size=1,
pool_reset_connection=False,
**default_conf)
conn = pool.get_connection()
cursor = conn.cursor()
cursor.execute("DROP TABLE IF EXISTS conpy246")
cursor.execute("CREATE TABLE conpy246(a int)")
cursor.execute("INSERT INTO conpy246 VALUES (1)")
cursor.close()
conn.close()
conn = pool.get_connection()
cursor = conn.cursor()
cursor.execute("SELECT * FROM conpy246")
self.assertEqual(cursor.rowcount, 0)
cursor.execute("DROP TABLE conpy246")
cursor.close()
conn.close()
pool.close()
def test_conpy250(self):
default_conf = conf()
pool = mariadb.ConnectionPool(pool_name="CONPY250",
pool_size=16,
pool_reset_connection=False,
pool_validation_interval=0,
**default_conf)
self.assertEqual(pool.connection_count, 16)
pool.close()
self.assertEqual(pool.connection_count, 0)
def test_conpy247_1(self):
default_conf = conf()
pool = mariadb.ConnectionPool(pool_name="CONPY247_1",
pool_size=1,
pool_reset_connection=False,
pool_validation_interval=0,
**default_conf)
# service connection
conn = create_connection()
cursor = conn.cursor()
pconn = pool.get_connection()
old_id = pconn.connection_id
cursor.execute("KILL %s" % (old_id,))
cursor.close()
pconn.close()
pconn = pool.get_connection()
self.assertNotEqual(old_id, pconn.connection_id)
conn.close()
pool.close()
def test_conpy247_2(self):
default_conf = conf()
pool = mariadb.ConnectionPool(pool_name="CONPY247_2",
pool_size=1,
pool_reset_connection=True,
pool_validation_interval=0,
**default_conf)
# service connection
conn = create_connection()
cursor = conn.cursor()
pconn = pool.get_connection()
old_id = pconn.connection_id
cursor.execute("KILL %s" % (old_id,))
cursor.close()
pconn.close()
pconn = pool.get_connection()
self.assertNotEqual(old_id, pconn.connection_id)
conn.close()
pool.close()
def test_conpy247_3(self):
default_conf = conf()
pool = mariadb.ConnectionPool(pool_name="CONPY247_3",
pool_size=10,
pool_reset_connection=True,
pool_validation_interval=0,
**default_conf)
# service connection
conn = create_connection()
cursor = conn.cursor()
ids = []
cursor.execute("DROP PROCEDURE IF EXISTS p1")
sql = """CREATE PROCEDURE p1()
BEGIN
SELECT 1;
SELECT 2;
END"""
cursor.execute(sql)
for i in range(0, 10):
pconn = pool.get_connection()
ids.append(pconn.connection_id)
cursor.execute("KILL %s" % (pconn.connection_id,))
pconn.close()
new_ids = []
for i in range(0, 10):
pconn = pool.get_connection()
new_ids.append(pconn.connection_id)
self.assertEqual(pconn.connection_id in ids, False)
cursor = pconn.cursor()
cursor.callproc("p1")
cursor.close()
pconn.close()
for i in range(0, 10):
pconn = pool.get_connection()
self.assertEqual(pconn.connection_id in new_ids, True)
pconn.close()
conn.close()
pool.close()
def test_conpy245(self):
# we can't test performance here, but we can check if LRU works.
# All connections must have been used the same number of times.
default_conf = conf()
pool_size = 64
iterations = 100
pool = mariadb.ConnectionPool(pool_name="CONPY245",
pool_size=pool_size,
**default_conf)
for i in range(0, iterations):
for j in range(0, pool_size):
conn = pool.get_connection()
conn.close()
for i in range(0, pool_size):
conn = pool.get_connection()
self.assertEqual(conn._used, iterations + 1)
conn.close()
pool.close()
def test_connection_pool_conf(self):
pool = mariadb.ConnectionPool(pool_name="test_conf")
default_conf = conf()
conn = create_connection()
try:
pool.add_connection(conn)
except mariadb.PoolError:
pass
try:
pool.set_config(**default_conf)
except mariadb.Error:
pool.close()
raise
pool.add_connection(conn)
c = pool.get_connection()
self.assertEqual(c, conn)
pool.close()
def test_connection_pool_maxconn(self):
default_conf = conf()
pool = mariadb.ConnectionPool(pool_name="test_max_size", pool_size=6,
**default_conf)
connections = []
for i in range(0, 6):
connections.append(pool.get_connection())
self.assertRaises(mariadb.PoolError, lambda:pool.get_connection())
for c in connections:
c.close()
pool.close()
def test_connection_pool_add(self):
default_conf = conf()
pool = mariadb.ConnectionPool(pool_name="test_connection_pool_add")
try:
pool.set_config(**default_conf)
except mariadb.Error:
pool.close()
raise
for i in range(1, 6):
pool.add_connection()
try:
pool.add_connection()
except mariadb.PoolError:
pass
pool.close()
def test_conpy69(self):
if is_skysql():
self.skipTest("skipping on SkySQL")
if is_maxscale():
self.skipTest("skipping on maxscale, bug")
conn = create_connection()
conn.autocommit = True
cursor1 = conn.cursor()
cursor1.execute("CREATE SCHEMA IF NOT EXISTS 中文考试")
cursor1.execute("COMMIT")
default_conf = conf()
default_conf["database"] = "中文考试"
pool = mariadb.ConnectionPool(pool_name="test_conpy69")
try:
pool.set_config(**default_conf)
except mariadb.Error:
pool.close()
raise
try:
for i in range(1, 6):
pool.add_connection()
conn = mariadb.connect(pool_name="test_conpy69")
conn.autocommit = True
cursor = conn.cursor()
cursor.execute("select database()")
row = cursor.fetchone()
self.assertEqual(row[0], "中文考试")
cursor.execute("CREATE TEMPORARY TABLE t1 "
"(a varchar(255)) character set utf8mb4")
cursor.execute("insert into t1 values (?)", ("123.45 中文考试",))
cursor.execute("select a from t1", buffered=True)
row = cursor.fetchone()
self.assertEqual(row[0], "123.45 中文考试")
cursor1.execute("DROP SCHEMA 中文考试")
finally:
pool.close()
def test__CONNECTION_POOLS(self):
default_conf = conf()
pool = mariadb.ConnectionPool(pool_name="test_use", **default_conf)
conn = mariadb.connect(pool_name="test_use")
cursor = conn.cursor()
cursor.execute("SELECT 1")
row = cursor.fetchone()
self.assertEqual(row[0], 1)
del cursor
pool.close()
def test_create_pool_from_conn(self):
default_conf = conf()
key = "t1"
conn = mariadb.connect(pool_name=key, **default_conf)
cursor = conn.cursor()
del mariadb._CONNECTION_POOLS["t1"]
self.assertEqual(mariadb._CONNECTION_POOLS, {})
try:
cursor.execute("SELECT 1")
except mariadb.ProgrammingError:
pass
def test_pool_getter(self):
default_conf = conf()
mariadb.connect(pool_name="getter_test",
pool_size=4, **default_conf)
p = mariadb._CONNECTION_POOLS["getter_test"]
self.assertEqual(p.pool_name, "getter_test")
self.assertEqual(p.pool_size, 4)
if "pool_reset_connection" in default_conf:
self.assertEqual(p.pool_reset_connection,
default_conf["pool_reset_connection"])
else:
self.assertEqual(p.pool_reset_connection, True)
self.assertEqual(p.max_size, 64)
mariadb._CONNECTION_POOLS["getter_test"].close()
def test_pool_connection_reset(self):
default_conf = conf()
conn = mariadb.connect(pool_name="reset_test",
pool_size=1, **default_conf)
cursor = conn.cursor()
cursor.execute("SELECT 1")
cursor.close()
conn.close()
conn = mariadb.connect(pool_name="reset_test")
cursor = conn.cursor()
cursor.execute("SELECT 2")
row = cursor.fetchone()
self.assertEqual(row[0], 2)
mariadb._CONNECTION_POOLS["reset_test"].close()
def test_conpy40(self):
default_conf = conf()
pool = mariadb.ConnectionPool(pool_name='test_conpy40')
try:
pool.set_config(pool_size=3)
except mariadb.PoolError:
pass
try:
pool.set_config(**default_conf)
except mariadb.Error:
pool.close()
raise
for j in range(3):
c = mariadb.connect(**default_conf)
pool.add_connection(c)
pool.close()
def test_pool_add(self):
pool = mariadb.ConnectionPool(pool_name="test_pool_add")
try:
mariadb.ConnectionPool(pool_name="test_pool_add")
except mariadb.ProgrammingError:
pass
pool.close()
self.assertEqual(mariadb._CONNECTION_POOLS, {})
def test_conpy256(self):
size = 10
connections = []
default_conf = conf()
pool = mariadb.ConnectionPool(pool_name="test_conpy256",
pool_size=size, **default_conf)
for i in range(size):
c= pool.get_connection()
self.assertNotEqual(c in connections, True)
connections.append(c)
pool.close()
if __name__ == '__main__':
unittest.main()
|
