##// END OF EJS Templates
associate messages with no parent to all qt frontends...
associate messages with no parent to all qt frontends The only messages that should have no parent are print statements made prior to the first execution. The principal example of this is the pylab welcome message.

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test_process.py
111 lines | 3.7 KiB | text/x-python | PythonLexer
# encoding: utf-8
"""
Tests for platutils.py
"""
#-----------------------------------------------------------------------------
# Copyright (C) 2008-2009 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')
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']],
[u'h\N{LATIN SMALL LETTER A WITH CARON}llo', [u'h\N{LATIN SMALL LETTER A WITH CARON}llo']],
['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')
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')