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# encoding: utf-8
"""
Tests for platutils.py
"""
#-----------------------------------------------------------------------------
# Copyright (C) 2008-2011 The IPython Development Team
#
# Distributed under the terms of the BSD License. The full license is in
# the file COPYING, distributed as part of this software.
#-----------------------------------------------------------------------------
#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
import sys
from unittest import TestCase
import nose.tools as nt
from IPython.utils.process import (find_cmd, FindCmdError, arg_split,
system, getoutput, getoutputerror)
from IPython.testing import decorators as dec
from IPython.testing import tools as tt
#-----------------------------------------------------------------------------
# Tests
#-----------------------------------------------------------------------------
def test_find_cmd_python():
"""Make sure we find sys.exectable for python."""
nt.assert_equals(find_cmd('python'), sys.executable)
@dec.skip_win32
def test_find_cmd_ls():
"""Make sure we can find the full path to ls."""
path = find_cmd('ls')
nt.assert_true(path.endswith('ls'))
def has_pywin32():
try:
import win32api
except ImportError:
return False
return True
@dec.onlyif(has_pywin32, "This test requires win32api to run")
def test_find_cmd_pythonw():
"""Try to find pythonw on Windows."""
path = find_cmd('pythonw')
nt.assert_true(path.endswith('pythonw.exe'))
@dec.onlyif(lambda : sys.platform != 'win32' or has_pywin32(),
"This test runs on posix or in win32 with win32api installed")
def test_find_cmd_fail():
"""Make sure that FindCmdError is raised if we can't find the cmd."""
nt.assert_raises(FindCmdError,find_cmd,'asdfasdf')
@dec.skip_win32
def test_arg_split():
"""Ensure that argument lines are correctly split like in a shell."""
tests = [['hi', ['hi']],
[u'hi', [u'hi']],
['hello there', ['hello', 'there']],
# \u01ce == \N{LATIN SMALL LETTER A WITH CARON}
# Do not use \N because the tests crash with syntax error in
# some cases, for example windows python2.6.
[u'h\u01cello', [u'h\u01cello']],
['something "with quotes"', ['something', '"with quotes"']],
]
for argstr, argv in tests:
nt.assert_equal(arg_split(argstr), argv)
@dec.skip_if_not_win32
def test_arg_split_win32():
"""Ensure that argument lines are correctly split like in a shell."""
tests = [['hi', ['hi']],
[u'hi', [u'hi']],
['hello there', ['hello', 'there']],
[u'h\u01cello', [u'h\u01cello']],
['something "with quotes"', ['something', 'with quotes']],
]
for argstr, argv in tests:
nt.assert_equal(arg_split(argstr), argv)
class SubProcessTestCase(TestCase, tt.TempFileMixin):
def setUp(self):
"""Make a valid python temp file."""
lines = ["from __future__ import print_function",
"import sys",
"print('on stdout', end='', file=sys.stdout)",
"print('on stderr', end='', file=sys.stderr)",
"sys.stdout.flush()",
"sys.stderr.flush()"]
self.mktmp('\n'.join(lines))
def test_system(self):
status = system('python "%s"' % self.fname)
self.assertEquals(status, 0)
def test_system_quotes(self):
status = system('python -c "import sys"')
self.assertEquals(status, 0)
def test_getoutput(self):
out = getoutput('python "%s"' % self.fname)
self.assertEquals(out, 'on stdout')
def test_getoutput_quoted(self):
out = getoutput('python -c "print (1)"')
self.assertEquals(out.strip(), '1')
#Invalid quoting on windows
@dec.skip_win32
def test_getoutput_quoted2(self):
out = getoutput("python -c 'print (1)'")
self.assertEquals(out.strip(), '1')
out = getoutput("python -c 'print (\"1\")'")
self.assertEquals(out.strip(), '1')
def test_getoutput(self):
out, err = getoutputerror('python "%s"' % self.fname)
self.assertEquals(out, 'on stdout')
self.assertEquals(err, 'on stderr')
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