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from pymysql import cursors, OperationalError
from pymysql.constants import ER
from pymysql.tests import base
import os
__all__ = ["TestLoadLocal"]
class TestLoadLocal(base.PyMySQLTestCase):
def test_no_file(self):
"""Test load local infile when the file does not exist"""
conn = self.connect()
c = conn.cursor()
c.execute("CREATE TABLE test_load_local (a INTEGER, b INTEGER)")
try:
self.assertRaises(
OperationalError,
c.execute,
(
"LOAD DATA LOCAL INFILE 'no_data.txt' INTO TABLE "
"test_load_local fields terminated by ','"
),
)
finally:
c.execute("DROP TABLE test_load_local")
c.close()
def test_load_file(self):
"""Test load local infile with a valid file"""
conn = self.connect()
c = conn.cursor()
c.execute("CREATE TABLE test_load_local (a INTEGER, b INTEGER)")
filename = os.path.join(
os.path.dirname(os.path.realpath(__file__)), "data", "load_local_data.txt"
)
try:
c.execute(
f"LOAD DATA LOCAL INFILE '{filename}' INTO TABLE test_load_local"
+ " FIELDS TERMINATED BY ','"
)
c.execute("SELECT COUNT(*) FROM test_load_local")
self.assertEqual(22749, c.fetchone()[0])
finally:
c.execute("DROP TABLE test_load_local")
def test_unbuffered_load_file(self):
"""Test unbuffered load local infile with a valid file"""
conn = self.connect()
c = conn.cursor(cursors.SSCursor)
c.execute("CREATE TABLE test_load_local (a INTEGER, b INTEGER)")
filename = os.path.join(
os.path.dirname(os.path.realpath(__file__)), "data", "load_local_data.txt"
)
try:
c.execute(
f"LOAD DATA LOCAL INFILE '{filename}' INTO TABLE test_load_local"
+ " FIELDS TERMINATED BY ','"
)
c.execute("SELECT COUNT(*) FROM test_load_local")
self.assertEqual(22749, c.fetchone()[0])
finally:
c.close()
conn.close()
conn.connect()
c = conn.cursor()
c.execute("DROP TABLE test_load_local")
def test_load_warnings(self):
"""Test load local infile produces the appropriate warnings"""
conn = self.connect()
c = conn.cursor()
c.execute("CREATE TABLE test_load_local (a INTEGER, b INTEGER)")
filename = os.path.join(
os.path.dirname(os.path.realpath(__file__)),
"data",
"load_local_warn_data.txt",
)
try:
c.execute(
(
"LOAD DATA LOCAL INFILE '{0}' INTO TABLE "
+ "test_load_local FIELDS TERMINATED BY ','"
).format(filename)
)
self.assertEqual(1, c.warning_count)
c.execute("SHOW WARNINGS")
w = c.fetchone()
self.assertEqual(ER.TRUNCATED_WRONG_VALUE_FOR_FIELD, w[1])
self.assertIn(
"incorrect integer value",
w[2].lower(),
)
finally:
c.execute("DROP TABLE test_load_local")
c.close()
if __name__ == "__main__":
import unittest
unittest.main()
|
