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import datetime
import json
import time
import pytest
import pymysql.cursors
from pymysql.tests import base
__all__ = ["TestConversion", "TestCursor", "TestBulkInserts"]
class TestConversion(base.PyMySQLTestCase):
def test_datatypes(self):
"""test every data type"""
conn = self.connect()
c = conn.cursor()
c.execute(
"""
create table test_datatypes (
b bit,
i int,
l bigint,
f real,
s varchar(32),
u varchar(32),
bb blob,
d date,
dt datetime,
ts timestamp,
td time,
t time,
st datetime)
"""
)
try:
# insert values
v = (
True,
-3,
123456789012,
5.7,
"hello'\" world",
"Espa\xc3\xb1ol",
"binary\x00data".encode(conn.encoding),
datetime.date(1988, 2, 2),
datetime.datetime(2014, 5, 15, 7, 45, 57),
datetime.timedelta(5, 6),
datetime.time(16, 32),
time.localtime(),
)
c.execute(
"insert into test_datatypes (b,i,l,f,s,u,bb,d,dt,td,t,st) values"
" (%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s)",
v,
)
c.execute("select b,i,l,f,s,u,bb,d,dt,td,t,st from test_datatypes")
r = c.fetchone()
self.assertEqual(b"\x01", r[0])
self.assertEqual(v[1:10], r[1:10])
self.assertEqual(
datetime.timedelta(0, 60 * (v[10].hour * 60 + v[10].minute)), r[10]
)
self.assertEqual(datetime.datetime(*v[-1][:6]), r[-1])
c.execute("delete from test_datatypes")
# check nulls
c.execute(
"insert into test_datatypes (b,i,l,f,s,u,bb,d,dt,td,t,st)"
" values (%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s)",
[None] * 12,
)
c.execute("select b,i,l,f,s,u,bb,d,dt,td,t,st from test_datatypes")
r = c.fetchone()
self.assertEqual(tuple([None] * 12), r)
c.execute("delete from test_datatypes")
# check sequences type
for seq_type in (tuple, list, set, frozenset):
c.execute(
"insert into test_datatypes (i, l) values (2,4), (6,8), (10,12)"
)
seq = seq_type([2, 6])
c.execute(
"select l from test_datatypes where i in %s order by i", (seq,)
)
r = c.fetchall()
self.assertEqual(((4,), (8,)), r)
c.execute("delete from test_datatypes")
finally:
c.execute("drop table test_datatypes")
def test_dict(self):
"""test dict escaping"""
conn = self.connect()
c = conn.cursor()
c.execute("create table test_dict (a integer, b integer, c integer)")
try:
c.execute(
"insert into test_dict (a,b,c) values (%(a)s, %(b)s, %(c)s)",
{"a": 1, "b": 2, "c": 3},
)
c.execute("select a,b,c from test_dict")
self.assertEqual((1, 2, 3), c.fetchone())
finally:
c.execute("drop table test_dict")
def test_string(self):
conn = self.connect()
c = conn.cursor()
c.execute("create table test_dict (a text)")
test_value = "I am a test string"
try:
c.execute("insert into test_dict (a) values (%s)", test_value)
c.execute("select a from test_dict")
self.assertEqual((test_value,), c.fetchone())
finally:
c.execute("drop table test_dict")
def test_integer(self):
conn = self.connect()
c = conn.cursor()
c.execute("create table test_dict (a integer)")
test_value = 12345
try:
c.execute("insert into test_dict (a) values (%s)", test_value)
c.execute("select a from test_dict")
self.assertEqual((test_value,), c.fetchone())
finally:
c.execute("drop table test_dict")
def test_binary(self):
"""test binary data"""
data = bytes(bytearray(range(255)))
conn = self.connect()
self.safe_create_table(
conn, "test_binary", "create table test_binary (b binary(255))"
)
with conn.cursor() as c:
c.execute("insert into test_binary (b) values (_binary %s)", (data,))
c.execute("select b from test_binary")
self.assertEqual(data, c.fetchone()[0])
def test_blob(self):
"""test blob data"""
data = bytes(bytearray(range(256)) * 4)
conn = self.connect()
self.safe_create_table(conn, "test_blob", "create table test_blob (b blob)")
with conn.cursor() as c:
c.execute("insert into test_blob (b) values (_binary %s)", (data,))
c.execute("select b from test_blob")
self.assertEqual(data, c.fetchone()[0])
def test_untyped(self):
"""test conversion of null, empty string"""
conn = self.connect()
c = conn.cursor()
c.execute("select null,''")
self.assertEqual((None, ""), c.fetchone())
c.execute("select '',null")
self.assertEqual(("", None), c.fetchone())
def test_timedelta(self):
"""test timedelta conversion"""
conn = self.connect()
c = conn.cursor()
c.execute(
"select time('12:30'), time('23:12:59'), time('23:12:59.05100'),"
+ " time('-12:30'), time('-23:12:59'), time('-23:12:59.05100'), time('-00:30')"
)
self.assertEqual(
(
datetime.timedelta(0, 45000),
datetime.timedelta(0, 83579),
datetime.timedelta(0, 83579, 51000),
-datetime.timedelta(0, 45000),
-datetime.timedelta(0, 83579),
-datetime.timedelta(0, 83579, 51000),
-datetime.timedelta(0, 1800),
),
c.fetchone(),
)
def test_datetime_microseconds(self):
"""test datetime conversion w microseconds"""
conn = self.connect()
c = conn.cursor()
dt = datetime.datetime(2013, 11, 12, 9, 9, 9, 123450)
c.execute("create table test_datetime (id int, ts datetime(6))")
try:
c.execute("insert into test_datetime values (%s, %s)", (1, dt))
c.execute("select ts from test_datetime")
self.assertEqual((dt,), c.fetchone())
finally:
c.execute("drop table test_datetime")
class TestCursor(base.PyMySQLTestCase):
# this test case does not work quite right yet, however,
# we substitute in None for the erroneous field which is
# compatible with the DB-API 2.0 spec and has not broken
# any unit tests for anything we've tried.
# def test_description(self):
# """ test description attribute """
# # result is from MySQLdb module
# r = (('Host', 254, 11, 60, 60, 0, 0),
# ('User', 254, 16, 16, 16, 0, 0),
# ('Password', 254, 41, 41, 41, 0, 0),
# ('Select_priv', 254, 1, 1, 1, 0, 0),
# ('Insert_priv', 254, 1, 1, 1, 0, 0),
# ('Update_priv', 254, 1, 1, 1, 0, 0),
# ('Delete_priv', 254, 1, 1, 1, 0, 0),
# ('Create_priv', 254, 1, 1, 1, 0, 0),
# ('Drop_priv', 254, 1, 1, 1, 0, 0),
# ('Reload_priv', 254, 1, 1, 1, 0, 0),
# ('Shutdown_priv', 254, 1, 1, 1, 0, 0),
# ('Process_priv', 254, 1, 1, 1, 0, 0),
# ('File_priv', 254, 1, 1, 1, 0, 0),
# ('Grant_priv', 254, 1, 1, 1, 0, 0),
# ('References_priv', 254, 1, 1, 1, 0, 0),
# ('Index_priv', 254, 1, 1, 1, 0, 0),
# ('Alter_priv', 254, 1, 1, 1, 0, 0),
# ('Show_db_priv', 254, 1, 1, 1, 0, 0),
# ('Super_priv', 254, 1, 1, 1, 0, 0),
# ('Create_tmp_table_priv', 254, 1, 1, 1, 0, 0),
# ('Lock_tables_priv', 254, 1, 1, 1, 0, 0),
# ('Execute_priv', 254, 1, 1, 1, 0, 0),
# ('Repl_slave_priv', 254, 1, 1, 1, 0, 0),
# ('Repl_client_priv', 254, 1, 1, 1, 0, 0),
# ('Create_view_priv', 254, 1, 1, 1, 0, 0),
# ('Show_view_priv', 254, 1, 1, 1, 0, 0),
# ('Create_routine_priv', 254, 1, 1, 1, 0, 0),
# ('Alter_routine_priv', 254, 1, 1, 1, 0, 0),
# ('Create_user_priv', 254, 1, 1, 1, 0, 0),
# ('Event_priv', 254, 1, 1, 1, 0, 0),
# ('Trigger_priv', 254, 1, 1, 1, 0, 0),
# ('ssl_type', 254, 0, 9, 9, 0, 0),
# ('ssl_cipher', 252, 0, 65535, 65535, 0, 0),
# ('x509_issuer', 252, 0, 65535, 65535, 0, 0),
# ('x509_subject', 252, 0, 65535, 65535, 0, 0),
# ('max_questions', 3, 1, 11, 11, 0, 0),
# ('max_updates', 3, 1, 11, 11, 0, 0),
# ('max_connections', 3, 1, 11, 11, 0, 0),
# ('max_user_connections', 3, 1, 11, 11, 0, 0))
# conn = self.connect()
# c = conn.cursor()
# c.execute("select * from mysql.user")
#
# self.assertEqual(r, c.description)
def test_fetch_no_result(self):
"""test a fetchone() with no rows"""
conn = self.connect()
c = conn.cursor()
c.execute("create table test_nr (b varchar(32))")
try:
data = "pymysql"
c.execute("insert into test_nr (b) values (%s)", (data,))
self.assertEqual(None, c.fetchone())
finally:
c.execute("drop table test_nr")
def test_aggregates(self):
"""test aggregate functions"""
conn = self.connect()
c = conn.cursor()
try:
c.execute("create table test_aggregates (i integer)")
for i in range(0, 10):
c.execute("insert into test_aggregates (i) values (%s)", (i,))
c.execute("select sum(i) from test_aggregates")
(r,) = c.fetchone()
self.assertEqual(sum(range(0, 10)), r)
finally:
c.execute("drop table test_aggregates")
def test_single_tuple(self):
"""test a single tuple"""
conn = self.connect()
c = conn.cursor()
self.safe_create_table(
conn, "mystuff", "create table mystuff (id integer primary key)"
)
c.execute("insert into mystuff (id) values (1)")
c.execute("insert into mystuff (id) values (2)")
c.execute("select id from mystuff where id in %s", ((1,),))
self.assertEqual([(1,)], list(c.fetchall()))
c.close()
def test_json(self):
args = self.databases[0].copy()
args["charset"] = "utf8mb4"
conn = pymysql.connect(**args)
# MariaDB only has limited JSON support, stores data as longtext
# https://mariadb.com/kb/en/json-data-type/
if not self.mysql_server_is(conn, (5, 7, 0)):
pytest.skip("JSON type is only supported on MySQL >= 5.7")
self.safe_create_table(
conn,
"test_json",
"""\
create table test_json (
id int not null,
json JSON not null,
primary key (id)
);""",
)
cur = conn.cursor()
json_str = '{"hello": "こんにちは"}'
cur.execute("INSERT INTO test_json (id, `json`) values (42, %s)", (json_str,))
cur.execute("SELECT `json` from `test_json` WHERE `id`=42")
res = cur.fetchone()[0]
self.assertEqual(json.loads(res), json.loads(json_str))
if self.get_mysql_vendor(conn) == "mysql":
cur.execute("SELECT CAST(%s AS JSON) AS x", (json_str,))
res = cur.fetchone()[0]
self.assertEqual(json.loads(res), json.loads(json_str))
class TestBulkInserts(base.PyMySQLTestCase):
cursor_type = pymysql.cursors.DictCursor
def setUp(self):
super().setUp()
self.conn = conn = self.connect()
# create a table and some data to query
self.safe_create_table(
conn,
"bulkinsert",
"""\
CREATE TABLE bulkinsert
(
id int,
name char(20),
age int,
height int,
PRIMARY KEY (id)
)
""",
)
def _verify_records(self, data):
conn = self.connect()
cursor = conn.cursor()
cursor.execute("SELECT id, name, age, height from bulkinsert")
result = cursor.fetchall()
self.assertEqual(sorted(data), sorted(result))
def test_bulk_insert(self):
conn = self.connect()
cursor = conn.cursor()
data = [(0, "bob", 21, 123), (1, "jim", 56, 45), (2, "fred", 100, 180)]
cursor.executemany(
"insert into bulkinsert (id, name, age, height) values (%s,%s,%s,%s)",
data,
)
self.assertEqual(
cursor._executed,
bytearray(
b"insert into bulkinsert (id, name, age, height) values "
b"(0,'bob',21,123),(1,'jim',56,45),(2,'fred',100,180)"
),
)
cursor.execute("commit")
self._verify_records(data)
def test_bulk_insert_multiline_statement(self):
conn = self.connect()
cursor = conn.cursor()
data = [(0, "bob", 21, 123), (1, "jim", 56, 45), (2, "fred", 100, 180)]
cursor.executemany(
"""insert
into bulkinsert (id, name,
age, height)
values (%s,
%s , %s,
%s )
""",
data,
)
self.assertEqual(
cursor._executed.strip(),
bytearray(
b"""insert
into bulkinsert (id, name,
age, height)
values (0,
'bob' , 21,
123 ),(1,
'jim' , 56,
45 ),(2,
'fred' , 100,
180 )"""
),
)
cursor.execute("commit")
self._verify_records(data)
def test_bulk_insert_single_record(self):
conn = self.connect()
cursor = conn.cursor()
data = [(0, "bob", 21, 123)]
cursor.executemany(
"insert into bulkinsert (id, name, age, height) values (%s,%s,%s,%s)",
data,
)
cursor.execute("commit")
self._verify_records(data)
def test_issue_288(self):
"""executemany should work with "insert ... on update"""
conn = self.connect()
cursor = conn.cursor()
data = [(0, "bob", 21, 123), (1, "jim", 56, 45), (2, "fred", 100, 180)]
cursor.executemany(
"""insert
into bulkinsert (id, name,
age, height)
values (%s,
%s , %s,
%s ) on duplicate key update
age = values(age)
""",
data,
)
self.assertEqual(
cursor._executed.strip(),
bytearray(
b"""insert
into bulkinsert (id, name,
age, height)
values (0,
'bob' , 21,
123 ),(1,
'jim' , 56,
45 ),(2,
'fred' , 100,
180 ) on duplicate key update
age = values(age)"""
),
)
cursor.execute("commit")
self._verify_records(data)
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