Lib.test.test_sys_jy.py Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jython Show documentation
Show all versions of jython Show documentation
Jython is an implementation of the high-level, dynamic, object-oriented
language Python written in 100% Pure Java, and seamlessly integrated with
the Java platform. It thus allows you to run Python on any Java platform.
# -*- coding: iso-8859-1 -*-
from __future__ import with_statement
import os
import re
import subprocess
import sys
import tempfile
import unittest
from test import test_support
class SysTest(unittest.TestCase):
def test_platform(self):
self.assertEquals(sys.platform[:4], "java",
"sys.platform is not java")
def test_exit_arg(self):
"sys.exit can be called with args"
try:
sys.exit("leaving now")
except SystemExit, e:
self.assertEquals(str(e), "leaving now")
def test_tuple_args(self):
"Exceptions raised unpacking tuple args have right line number"
def tuple_args( (x,y) ): pass
try:
tuple_args( 10 )
except TypeError:
tb = sys.exc_info()[2]
if tb.tb_lineno == 0:
self.fail("Traceback lineno was zero")
def test_name(self):
"sys.__name__ can be reassigned/deleted"
self.assertEquals(sys.__name__, 'sys')
sys.__name__ = 'foo'
self.assert_('foo' in str(sys))
del sys.__name__
self.assert_('foo' not in str(sys))
sys.__name__ = 'sys'
def test_readonly(self):
def deleteClass(): del sys.__class__
self.assertRaises(TypeError, deleteClass)
def deleteDict(): del sys.__dict__
self.assertRaises(TypeError, deleteDict)
def assignClass(): sys.__class__ = object
self.assertRaises(TypeError, assignClass)
def assignDict(): sys.__dict__ = {}
self.assertRaises(TypeError, assignDict)
def test_resetmethod(self):
gde = sys.getdefaultencoding
sys.getdefaultencoding = 5
self.assertEquals(sys.getdefaultencoding, 5)
del sys.getdefaultencoding
self.assertRaises(AttributeError, getattr, sys, 'getdefaultencoding')
sys.getdefaultencoding = gde
def test_reload(self):
gde = sys.getdefaultencoding
del sys.getdefaultencoding
reload(sys)
self.assert_(type(sys.getdefaultencoding) == type(gde))
def exec_code_separately(function, sharing=False):
"""Runs code in a separate context: (thread, PySystemState, PythonInterpreter)
A PySystemState is used in conjunction with its thread
context. This is not so desirable - at the very least it means
that a thread pool cannot be shared. But this is not the place to
revisit ancient design decisions."""
def function_context():
from org.python.core import Py
from org.python.util import PythonInterpreter
from org.python.core import PySystemState
ps = PySystemState()
pi = PythonInterpreter({}, ps)
if not sharing:
ps.shadow()
ps.builtins = ps.builtins.copy()
pi.exec(function.func_code)
import threading
context = threading.Thread(target=function_context)
context.start()
context.join()
def set_globally():
import sys
import test.sys_jy_test_module # used as a probe
# can't use 'foo', test_with wants to have that undefined
sys.builtins['test_sys_jy_foo'] = 42
def set_shadow():
import sys
sys.builtins['fum'] = 24
class ShadowingTest(unittest.TestCase):
def setUp(self):
exec_code_separately(set_globally, sharing=True)
exec_code_separately(set_shadow)
def test_super_globals(self):
import sys, __builtin__
def get_sym(sym):
return sys.builtins.get(sym)
def get_sym_attr(sym):
return hasattr(__builtin__, sym)
self.assertEqual(test_sys_jy_foo, 42, "should be able to install a new builtin ('super global')")
self.assertEqual(get_sym('test_sys_jy_foo'), 42)
self.assertTrue(get_sym_attr('test_sys_jy_foo'))
def is_fum_there(): fum
self.assertRaises(NameError, is_fum_there) # shadowed global ('fum') should not be visible
self.assertEqual(get_sym('fum'), None)
self.assertTrue(not(get_sym_attr('fum')))
def test_sys_modules_per_instance(self):
import sys
self.assertTrue('sys_jy_test_module' not in sys.modules, "sys.modules should be per PySystemState instance")
class SyspathResourceTest(unittest.TestCase):
def setUp(self):
self.orig_path = sys.path
sys.path.insert(0, test_support.findfile("bug1373.jar"))
def tearDown(self):
sys.path = self.orig_path
def test_resource_stream_from_syspath(self):
from pck import Main
self.assert_(Main.getResourceAsStream('Main.txt'))
def test_resource_url_from_syspath(self):
from pck import Main
self.assert_(Main.getResource('Main.txt'))
def test_url_from_resource_from_syspath(self):
from pck import Main
# Need to test this doesn't fail because of '\' chars in the path
# Really only a problem on Windows
self.assert_(Main.getResource('Main.txt').toURI())
class SyspathUnicodeTest(unittest.TestCase):
"""bug 1693: importing from a unicode path threw a unicode encoding
error"""
def test_nonexisting_import_from_unicodepath(self):
# \xf6 = german o umlaut
sys.path.append(u'/home/tr\xf6\xf6t')
self.assertRaises(ImportError, __import__, 'non_existing_module')
def test_import_from_unicodepath(self):
# \xf6 = german o umlaut
moduleDir = tempfile.mkdtemp(suffix=u'tr\xf6\xf6t')
try:
self.assertTrue(os.path.exists(moduleDir))
module = 'unicodetempmodule'
moduleFile = '%s/%s.py' % (moduleDir, module)
try:
with open(moduleFile, 'w') as f:
f.write('# empty module')
self.assertTrue(os.path.exists(moduleFile))
sys.path.append(moduleDir)
__import__(module)
moduleClassFile = '%s/%s$py.class' % (moduleDir, module)
self.assertTrue(os.path.exists(moduleClassFile))
os.remove(moduleClassFile)
finally:
os.remove(moduleFile)
finally:
os.rmdir(moduleDir)
self.assertFalse(os.path.exists(moduleDir))
class SysEncodingTest(unittest.TestCase):
# Adapted from CPython 2.7 test_sys to exercise setting Jython registry
# values related to encoding and error policy.
def test_ioencoding(self): # adapted from CPython v2.7 test_sys
import subprocess, os
env = dict(os.environ)
def check(code, encoding=None, errors=None):
# Execute with encoding and errors optionally set via Java properties
command = [sys.executable]
if (encoding):
command.append('-Dpython.io.encoding={}'.format(encoding))
if (errors):
command.append('-Dpython.io.errors={}'.format(errors))
command.append('-c')
command.append('print unichr({:#x})'.format(code))
#print "\n ", " ".join(command), " ... ",
p = subprocess.Popen(command, stdout = subprocess.PIPE, env=env)
return p.stdout.read().strip()
env.pop("PYTHONIOENCODING", None)
self.assertEqual(check(ord(u'A')), b"A")
# Test character: U+00a2 cent sign (?) is:
# not representable in ASCII.
# xml: ¢
# cp1252: a2
# cp850: bd
# cp424: 4a
# utf-8: c2 a2
self.assertEqual(check(0xa2, "iso-8859-1"), "?") # same as this file
# self.assertEqual(check(0xa2, "ascii"), "") # and an error message
self.assertEqual(check(0xa2, "ascii", "ignore"),"")
self.assertEqual(check(0xa2, "ascii", "replace"), "?")
self.assertEqual(check(0xa2, "ascii", "backslashreplace"), r"\xa2")
self.assertEqual(check(0xa2, "ascii", "xmlcharrefreplace"), "¢")
self.assertEqual(check(0xa2, "Cp1252"), "\xa2")
self.assertEqual(check(0xa2, "Cp424"), "\x4a")
self.assertEqual(check(0xa2, "utf-8"), "\xc2\xa2")
self.assertEqual(check(0xa2, "iso8859-5", "backslashreplace"), r"\xa2")
# Now check that PYTHONIOENCODING can be superseded piecemeal
env["PYTHONIOENCODING"] = "ascii:xmlcharrefreplace"
self.assertEqual(check(0xa2, "iso8859-5"), "¢")
self.assertEqual(check(0xa2, None, "backslashreplace"), r"\xa2")
self.assertEqual(check(0xa2, "cp850"), "\xbd")
class SysArgvTest(unittest.TestCase):
def test_unicode_argv(self):
"""Unicode roundtrips successfully through sys.argv arguments"""
zhongwen = u'\u4e2d\u6587'
with test_support.temp_cwd(name=u"tempcwd-%s" % zhongwen):
p = subprocess.Popen(
[sys.executable, '-c',
'import sys;' \
'sys.stdout.write(sys.argv[1].encode("utf-8"))',
zhongwen],
stdout=subprocess.PIPE)
self.assertEqual(p.stdout.read().decode("utf-8"), zhongwen)
def test_main():
test_support.run_unittest(
SysTest,
ShadowingTest,
SyspathResourceTest,
SyspathUnicodeTest,
SysEncodingTest,
SysArgvTest
)
if __name__ == "__main__":
test_main()