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import asyncio
import gc
import os
import pytest
import aiomysql
@pytest.fixture()
def fill_my_cnf(mysql_params):
tests_root = os.path.abspath(os.path.dirname(__file__))
if "unix_socket" in mysql_params:
tmpl_path = "fixtures/my.cnf.unix.tmpl"
else:
tmpl_path = "fixtures/my.cnf.tcp.tmpl"
path1 = os.path.join(tests_root, tmpl_path)
path2 = os.path.join(tests_root, 'fixtures/my.cnf')
with open(path1) as f1:
tmpl = f1.read()
with open(path2, 'w') as f2:
f2.write(tmpl.format_map(mysql_params))
@pytest.mark.run_loop
async def test_connect_timeout(connection_creator):
# All exceptions are caught and raised as operational errors
with pytest.raises(aiomysql.OperationalError):
await connection_creator(connect_timeout=0.000000000001)
@pytest.mark.run_loop
async def test_config_file(fill_my_cnf, connection_creator, mysql_params):
tests_root = os.path.abspath(os.path.dirname(__file__))
path = os.path.join(tests_root, 'fixtures/my.cnf')
conn = await connection_creator(read_default_file=path)
if "unix_socket" in mysql_params:
assert conn.unix_socket == mysql_params["unix_socket"]
else:
assert conn.host == mysql_params['host']
assert conn.port == mysql_params['port']
assert conn.user, mysql_params['user']
# make sure connection is working
cur = await conn.cursor()
await cur.execute('SELECT 42;')
(r, ) = await cur.fetchone()
assert r == 42
conn.close()
@pytest.mark.run_loop
async def test_config_file_with_different_group(fill_my_cnf,
connection_creator,
mysql_params):
# same test with config file but actual settings
# located in not default group.
tests_root = os.path.abspath(os.path.dirname(__file__))
path = os.path.join(tests_root, 'fixtures/my.cnf')
group = 'client_with_unix_socket'
conn = await connection_creator(read_default_file=path,
read_default_group=group)
assert conn.charset == 'utf8'
assert conn.user == 'root'
# make sure connection is working
cur = await conn.cursor()
await cur.execute('SELECT 42;')
(r, ) = await cur.fetchone()
assert r == 42
conn.close()
@pytest.mark.run_loop
async def test_utf8mb4(connection_creator):
"""This test requires MySQL >= 5.5"""
charset = 'utf8mb4'
conn = await connection_creator(charset=charset)
assert conn.charset == charset
conn.close()
@pytest.mark.run_loop
async def test_largedata(connection_creator):
"""Large query and response (>=16MB)"""
conn = await connection_creator()
cur = await conn.cursor()
await cur.execute("SELECT @@max_allowed_packet")
r = await cur.fetchone()
if r[0] < 16 * 1024 * 1024 + 10:
pytest.skip('Set max_allowed_packet to bigger than 17MB')
else:
t = 'a' * (16 * 1024 * 1024)
await cur.execute("SELECT '" + t + "'")
r = await cur.fetchone()
assert r[0] == t
@pytest.mark.run_loop
async def test_escape_string(connection_creator):
con = await connection_creator()
cur = await con.cursor()
assert con.escape("foo'bar") == "'foo\\'bar'"
# literal is alias for escape
assert con.literal("foo'bar") == "'foo\\'bar'"
await cur.execute("SET sql_mode='NO_BACKSLASH_ESCAPES'")
assert con.escape("foo'bar") == "'foo''bar'"
@pytest.mark.run_loop
async def test_sql_mode_param(connection_creator):
con = await connection_creator(sql_mode='NO_BACKSLASH_ESCAPES')
assert con.escape("foo'bar") == "'foo''bar'"
@pytest.mark.run_loop
async def test_init_param(connection_creator):
init_command = "SET sql_mode='NO_BACKSLASH_ESCAPES';"
con = await connection_creator(init_command=init_command)
assert con.escape("foo'bar") == "'foo''bar'"
@pytest.mark.run_loop
async def test_autocommit(connection_creator):
con = await connection_creator()
assert con.get_autocommit() is False
cur = await con.cursor()
await cur.execute("SET AUTOCOMMIT=1")
assert con.get_autocommit() is True
await con.autocommit(False)
assert con.get_autocommit() is False
await cur.execute("SELECT @@AUTOCOMMIT")
r = await cur.fetchone()
assert r[0] == 0
@pytest.mark.run_loop
async def test_select_db(connection_creator):
con = await connection_creator()
current_db = 'test_pymysql'
other_db = 'test_pymysql2'
cur = await con.cursor()
await cur.execute('SELECT database()')
r = await cur.fetchone()
assert r[0] == current_db
await con.select_db(other_db)
await cur.execute('SELECT database()')
r = await cur.fetchone()
assert r[0] == other_db
@pytest.mark.run_loop
async def test_connection_gone_away(connection_creator):
# test
# http://dev.mysql.com/doc/refman/5.0/en/gone-away.html
# http://dev.mysql.com/doc/refman/5.0/en/error-messages-client.html
# error_cr_server_gone_error
conn = await connection_creator()
cur = await conn.cursor()
await cur.execute("SET wait_timeout=1")
await asyncio.sleep(2)
with pytest.raises(aiomysql.OperationalError) as cm:
await cur.execute("SELECT 1+1")
# error occures while reading, not writing because of socket buffer.
# assert cm.exception.args[0] == 2006
assert cm.value.args[0] in (2006, 2013)
conn.close()
@pytest.mark.run_loop
async def test_connection_info_methods(connection_creator, mysql_params):
conn = await connection_creator()
# trhead id is int
assert isinstance(conn.thread_id(), int)
assert conn.character_set_name() in ('latin1', 'utf8mb4')
if "unix_socket" in mysql_params:
assert mysql_params["unix_socket"] in conn.get_host_info()
else:
assert str(conn.port) in conn.get_host_info()
assert isinstance(conn.get_server_info(), str)
# protocol id is int
assert isinstance(conn.get_proto_info(), int)
conn.close()
@pytest.mark.run_loop
async def test_connection_set_charset(connection_creator):
conn = await connection_creator()
assert conn.character_set_name(), ('latin1' in 'utf8mb4')
await conn.set_charset('utf8')
assert conn.character_set_name() == 'utf8'
@pytest.mark.run_loop
async def test_connection_ping(connection_creator):
conn = await connection_creator()
await conn.ping()
assert conn.closed is False
conn.close()
await conn.ping()
assert conn.closed is False
@pytest.mark.run_loop
async def test_connection_properties(connection_creator, mysql_params):
conn = await connection_creator()
if "unix_socket" in mysql_params:
assert conn.unix_socket == mysql_params["unix_socket"]
else:
assert conn.host == mysql_params['host']
assert conn.port == mysql_params['port']
assert conn.user == mysql_params['user']
assert conn.db == mysql_params['db']
assert conn.echo is False
conn.close()
@pytest.mark.run_loop
async def test_connection_double_ensure_closed(connection_creator):
conn = await connection_creator()
assert conn.closed is False
await conn.ensure_closed()
assert conn.closed is True
await conn.ensure_closed()
assert conn.closed is True
@pytest.mark.run_loop
@pytest.mark.usefixtures("disable_gc")
async def test___del__(connection_creator):
conn = await connection_creator()
with pytest.warns(ResourceWarning):
del conn
gc.collect()
@pytest.mark.run_loop
async def test_previous_cursor_not_closed(connection_creator):
conn = await connection_creator()
cur1 = await conn.cursor()
await cur1.execute("SELECT 1; SELECT 2")
cur2 = await conn.cursor()
await cur2.execute("SELECT 3;")
resp = await cur2.fetchone()
assert resp[0] == 3
@pytest.mark.run_loop
async def test_commit_during_multi_result(connection_creator):
conn = await connection_creator()
cur = await conn.cursor()
await cur.execute("SELECT 1; SELECT 2;")
await conn.commit()
await cur.execute("SELECT 3;")
resp = await cur.fetchone()
assert resp[0] == 3
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