mirror of
https://github.com/psycopg/psycopg2.git
synced 2024-11-23 09:23:43 +03:00
123 lines
5.0 KiB
Python
Executable File
123 lines
5.0 KiB
Python
Executable File
#!/usr/bin/env python
|
|
#
|
|
# types_basic.py - tests for basic types conversions
|
|
#
|
|
# Copyright (C) 2004-2010 Federico Di Gregorio <fog@debian.org>
|
|
#
|
|
# psycopg2 is free software: you can redistribute it and/or modify it
|
|
# under the terms of the GNU Lesser General Public License as published
|
|
# by the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# In addition, as a special exception, the copyright holders give
|
|
# permission to link this program with the OpenSSL library (or with
|
|
# modified versions of OpenSSL that use the same license as OpenSSL),
|
|
# and distribute linked combinations including the two.
|
|
#
|
|
# You must obey the GNU Lesser General Public License in all respects for
|
|
# all of the code used other than OpenSSL.
|
|
#
|
|
# psycopg2 is distributed in the hope that it will be useful, but WITHOUT
|
|
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
|
|
# License for more details.
|
|
|
|
try:
|
|
import decimal
|
|
except:
|
|
pass
|
|
import sys
|
|
import unittest
|
|
|
|
import psycopg2
|
|
import tests
|
|
|
|
|
|
class TypesBasicTests(unittest.TestCase):
|
|
"""Test that all type conversions are working."""
|
|
|
|
def setUp(self):
|
|
self.conn = psycopg2.connect(tests.dsn)
|
|
|
|
def execute(self, *args):
|
|
curs = self.conn.cursor()
|
|
curs.execute(*args)
|
|
return curs.fetchone()[0]
|
|
|
|
def testQuoting(self):
|
|
s = "Quote'this\\! ''ok?''"
|
|
self.failUnless(self.execute("SELECT %s AS foo", (s,)) == s,
|
|
"wrong quoting: " + s)
|
|
|
|
def testUnicode(self):
|
|
s = u"Quote'this\\! ''ok?''"
|
|
self.failUnless(self.execute("SELECT %s AS foo", (s,)) == s,
|
|
"wrong unicode quoting: " + s)
|
|
|
|
def testNumber(self):
|
|
s = self.execute("SELECT %s AS foo", (1971,))
|
|
self.failUnless(s == 1971, "wrong integer quoting: " + str(s))
|
|
s = self.execute("SELECT %s AS foo", (1971L,))
|
|
self.failUnless(s == 1971L, "wrong integer quoting: " + str(s))
|
|
if sys.version_info[0] < 2 or sys.version_info[1] < 4:
|
|
s = self.execute("SELECT %s AS foo", (19.10,))
|
|
self.failUnless(abs(s - 19.10) < 0.001,
|
|
"wrong float quoting: " + str(s))
|
|
|
|
def testDecimal(self):
|
|
if sys.version_info[0] >= 2 and sys.version_info[1] >= 4:
|
|
s = self.execute("SELECT %s AS foo", (decimal.Decimal("19.10"),))
|
|
self.failUnless(s - decimal.Decimal("19.10") == 0,
|
|
"wrong decimal quoting: " + str(s))
|
|
s = self.execute("SELECT %s AS foo", (decimal.Decimal("NaN"),))
|
|
self.failUnless(str(s) == "NaN", "wrong decimal quoting: " + str(s))
|
|
self.failUnless(type(s) == decimal.Decimal, "wrong decimal conversion: " + repr(s))
|
|
s = self.execute("SELECT %s AS foo", (decimal.Decimal("infinity"),))
|
|
self.failUnless(str(s) == "NaN", "wrong decimal quoting: " + str(s))
|
|
self.failUnless(type(s) == decimal.Decimal, "wrong decimal conversion: " + repr(s))
|
|
s = self.execute("SELECT %s AS foo", (decimal.Decimal("-infinity"),))
|
|
self.failUnless(str(s) == "NaN", "wrong decimal quoting: " + str(s))
|
|
self.failUnless(type(s) == decimal.Decimal, "wrong decimal conversion: " + repr(s))
|
|
|
|
def testFloat(self):
|
|
s = self.execute("SELECT %s AS foo", (float("nan"),))
|
|
self.failUnless(str(s) == "nan", "wrong float quoting: " + str(s))
|
|
self.failUnless(type(s) == float, "wrong float conversion: " + repr(s))
|
|
s = self.execute("SELECT %s AS foo", (float("inf"),))
|
|
self.failUnless(str(s) == "inf", "wrong float quoting: " + str(s))
|
|
self.failUnless(type(s) == float, "wrong float conversion: " + repr(s))
|
|
|
|
def testBinary(self):
|
|
s = ''.join([chr(x) for x in range(256)])
|
|
b = psycopg2.Binary(s)
|
|
buf = self.execute("SELECT %s::bytea AS foo", (b,))
|
|
self.failUnless(str(buf) == s, "wrong binary quoting")
|
|
|
|
def testBinaryEmptyString(self):
|
|
# test to make sure an empty Binary is converted to an empty string
|
|
b = psycopg2.Binary('')
|
|
self.assertEqual(str(b), "''")
|
|
|
|
def testBinaryRoundTrip(self):
|
|
# test to make sure buffers returned by psycopg2 are
|
|
# understood by execute:
|
|
s = ''.join([chr(x) for x in range(256)])
|
|
buf = self.execute("SELECT %s::bytea AS foo", (psycopg2.Binary(s),))
|
|
buf2 = self.execute("SELECT %s::bytea AS foo", (buf,))
|
|
self.failUnless(str(buf2) == s, "wrong binary quoting")
|
|
|
|
def testArray(self):
|
|
s = self.execute("SELECT %s AS foo", ([[1,2],[3,4]],))
|
|
self.failUnless(s == [[1,2],[3,4]], "wrong array quoting " + str(s))
|
|
s = self.execute("SELECT %s AS foo", (['one', 'two', 'three'],))
|
|
self.failUnless(s == ['one', 'two', 'three'],
|
|
"wrong array quoting " + str(s))
|
|
|
|
|
|
def test_suite():
|
|
return unittest.TestLoader().loadTestsFromName(__name__)
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|
|
|