Lib.test.test_sys_jy.py Maven / Gradle / Ivy
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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
from test.test_support import is_jython, is_jython_nt
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 test_get_tuple_from_version_info(self):
self.assertEqual(type(tuple(sys.version_info)), tuple)
def test_float_info_tuple(self):
self.assertEqual(tuple(sys.float_info), sys.float_info)
def test_long_info_tuple(self):
self.assertEqual(tuple(sys.long_info), sys.long_info)
def test_version_info_gt_lt(self):
self.assertTrue(sys.version_info > (0, 0))
self.assertTrue(sys.version_info < (99, 99))
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.
@unittest.skipIf(is_jython_nt, "FIXME: fails probably due to issue 2312")
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)
class InteractivePromptTest(unittest.TestCase):
# TODO ps1, ps2 being defined for interactive usage should be
# captured by test_doctest, however, it would be ideal to add
# pexpect tests (using CPython).
def test_prompts_not_defined_if_noninteractive(self):
p = subprocess.Popen(
[sys.executable, '-c',
'import sys;' \
'print hasattr(sys, "ps1");' \
'print hasattr(sys, "ps2");'],
stdout=subprocess.PIPE)
self.assertEqual(p.stdout.read(),
os.linesep.join(['False', 'False', '']))
def test_prompts_not_printed_if_noninteractive(self):
p = subprocess.Popen(
[sys.executable],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE)
self.assertEqual(p.communicate('print 47'),
('47' + os.linesep, None))
def test_main():
test_support.run_unittest(
SysTest,
ShadowingTest,
SyspathResourceTest,
SyspathUnicodeTest,
SysEncodingTest,
SysArgvTest,
InteractivePromptTest
)
if __name__ == "__main__":
test_main()