mirror of
https://github.com/psycopg/psycopg2.git
synced 2024-11-23 01:16:34 +03:00
116 lines
2.9 KiB
Python
116 lines
2.9 KiB
Python
# Utility module for psycopg2 testing.
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#
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# Copyright (C) 2010 Daniele Varrazzo <daniele.varrazzo@gmail.com>
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# Use unittest2 if available. Otherwise mock a skip facility with warnings.
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import os
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import sys
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try:
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import unittest2
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unittest = unittest2
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except ImportError:
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import unittest
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unittest2 = None
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if hasattr(unittest, 'skipIf'):
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skip = unittest.skip
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skipIf = unittest.skipIf
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else:
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import warnings
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def skipIf(cond, msg):
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def skipIf_(f):
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def skipIf__(self):
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if cond:
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warnings.warn(msg)
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return
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else:
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return f(self)
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return skipIf__
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return skipIf_
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def skip(msg):
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return skipIf(True, msg)
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def skipTest(self, msg):
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warnings.warn(msg)
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return
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unittest.TestCase.skipTest = skipTest
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def decorate_all_tests(cls, decorator):
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"""Apply *decorator* to all the tests defined in the TestCase *cls*."""
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for n in dir(cls):
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if n.startswith('test'):
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setattr(cls, n, decorator(getattr(cls, n)))
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def skip_if_no_pg_sleep(name):
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"""Decorator to skip a test if pg_sleep is not supported by the server.
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Pass it the name of an attribute containing a connection or of a method
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returning a connection.
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"""
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def skip_if_no_pg_sleep_(f):
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def skip_if_no_pg_sleep__(self):
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cnn = getattr(self, name)
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if callable(cnn):
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cnn = cnn()
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if cnn.server_version < 80100:
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return self.skipTest(
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"server version %s doesn't support pg_sleep"
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% cnn.server_version)
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return f(self)
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skip_if_no_pg_sleep__.__name__ = f.__name__
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return skip_if_no_pg_sleep__
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return skip_if_no_pg_sleep_
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def skip_on_python2(f):
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"""Skip a test on Python 3 and following."""
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def skip_on_python2_(self):
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if sys.version_info[0] < 3:
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return self.skipTest("skipped because Python 2")
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else:
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return f(self)
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return skip_on_python2_
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def skip_on_python3(f):
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"""Skip a test on Python 3 and following."""
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def skip_on_python3_(self):
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if sys.version_info[0] >= 3:
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return self.skipTest("skipped because Python 3")
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else:
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return f(self)
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return skip_on_python3_
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def script_to_py3(script):
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"""Convert a script to Python3 syntax if required."""
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if sys.version_info[0] < 3:
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return script
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import tempfile
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f = tempfile.NamedTemporaryFile(suffix=".py")
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f.write(script.encode())
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f.flush()
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# 2to3 is way too chatty
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import logging
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logging.basicConfig(filename=os.devnull)
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from lib2to3.main import main
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if main("lib2to3.fixes", ['--no-diffs', '-w', '-n', f.name]):
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raise Exception('py3 conversion failed')
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return open(f.name).read()
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