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# -*- coding: utf-8 -*-
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"""IPython Test Suite Runner.
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This module provides a main entry point to a user script to test IPython
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itself from the command line. There are two ways of running this script:
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1. With the syntax `iptest all`. This runs our entire test suite by
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calling this script (with different arguments) or trial recursively. This
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causes modules and package to be tested in different processes, using nose
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or trial where appropriate.
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2. With the regular nose syntax, like `iptest -vvs IPython`. In this form
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the script simply calls nose, but with special command line flags and
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plugins loaded.
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For now, this script requires that both nose and twisted are installed. This
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will change in the future.
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"""
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#-----------------------------------------------------------------------------
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# Copyright (C) 2009 The IPython Development Team
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#
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# Distributed under the terms of the BSD License. The full license is in
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# the file COPYING, distributed as part of this software.
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#-----------------------------------------------------------------------------
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#-----------------------------------------------------------------------------
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# Imports
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#-----------------------------------------------------------------------------
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# Stdlib
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import os
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import os.path as path
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import signal
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import sys
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import subprocess
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import tempfile
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import time
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import warnings
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# Note: monkeypatch!
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# We need to monkeypatch a small problem in nose itself first, before importing
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# it for actual use. This should get into nose upstream, but its release cycle
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# is slow and we need it for our parametric tests to work correctly.
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from IPython.testing import nosepatch
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# Now, proceed to import nose itself
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import nose.plugins.builtin
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from nose.core import TestProgram
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# Our own imports
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from IPython.utils.path import get_ipython_module_path
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from IPython.utils.process import find_cmd, pycmd2argv
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from IPython.utils.sysinfo import sys_info
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from IPython.testing import globalipapp
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from IPython.testing.plugin.ipdoctest import IPythonDoctest
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pjoin = path.join
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#-----------------------------------------------------------------------------
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# Globals
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#-----------------------------------------------------------------------------
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#-----------------------------------------------------------------------------
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# Warnings control
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#-----------------------------------------------------------------------------
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# Twisted generates annoying warnings with Python 2.6, as will do other code
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# that imports 'sets' as of today
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warnings.filterwarnings('ignore', 'the sets module is deprecated',
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DeprecationWarning )
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# This one also comes from Twisted
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warnings.filterwarnings('ignore', 'the sha module is deprecated',
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DeprecationWarning)
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# Wx on Fedora11 spits these out
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warnings.filterwarnings('ignore', 'wxPython/wxWidgets release number mismatch',
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UserWarning)
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#-----------------------------------------------------------------------------
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# Logic for skipping doctests
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#-----------------------------------------------------------------------------
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def test_for(mod):
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"""Test to see if mod is importable."""
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try:
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__import__(mod)
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except (ImportError, RuntimeError):
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# GTK reports Runtime error if it can't be initialized even if it's
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# importable.
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return False
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else:
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return True
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# Global dict where we can store information on what we have and what we don't
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# have available at test run time
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have = {}
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have['curses'] = test_for('_curses')
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have['wx'] = test_for('wx')
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have['wx.aui'] = test_for('wx.aui')
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have['zope.interface'] = test_for('zope.interface')
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have['twisted'] = test_for('twisted')
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have['foolscap'] = test_for('foolscap')
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have['pexpect'] = test_for('pexpect')
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have['gtk'] = test_for('gtk')
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have['gobject'] = test_for('gobject')
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#-----------------------------------------------------------------------------
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# Functions and classes
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#-----------------------------------------------------------------------------
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def report():
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"""Return a string with a summary report of test-related variables."""
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out = [ sys_info() ]
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avail = []
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not_avail = []
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for k, is_avail in have.items():
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if is_avail:
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avail.append(k)
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else:
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not_avail.append(k)
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if avail:
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out.append('\nTools and libraries available at test time:\n')
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avail.sort()
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out.append(' ' + ' '.join(avail)+'\n')
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if not_avail:
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out.append('\nTools and libraries NOT available at test time:\n')
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not_avail.sort()
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out.append(' ' + ' '.join(not_avail)+'\n')
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return ''.join(out)
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def make_exclude():
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"""Make patterns of modules and packages to exclude from testing.
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For the IPythonDoctest plugin, we need to exclude certain patterns that
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cause testing problems. We should strive to minimize the number of
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skipped modules, since this means untested code.
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These modules and packages will NOT get scanned by nose at all for tests.
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"""
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# Simple utility to make IPython paths more readably, we need a lot of
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# these below
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ipjoin = lambda *paths: pjoin('IPython', *paths)
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exclusions = [ipjoin('external'),
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pjoin('IPython_doctest_plugin'),
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ipjoin('quarantine'),
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ipjoin('deathrow'),
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ipjoin('testing', 'attic'),
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# This guy is probably attic material
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ipjoin('testing', 'mkdoctests'),
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# Testing inputhook will need a lot of thought, to figure out
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# how to have tests that don't lock up with the gui event
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# loops in the picture
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ipjoin('lib', 'inputhook'),
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# Config files aren't really importable stand-alone
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ipjoin('config', 'default'),
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ipjoin('config', 'profile'),
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]
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if not have['wx']:
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exclusions.append(ipjoin('lib', 'inputhookwx'))
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if not have['gtk'] or not have['gobject']:
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exclusions.append(ipjoin('lib', 'inputhookgtk'))
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# These have to be skipped on win32 because the use echo, rm, cd, etc.
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# See ticket https://bugs.launchpad.net/bugs/366982
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if sys.platform == 'win32':
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exclusions.append(ipjoin('testing', 'plugin', 'test_exampleip'))
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exclusions.append(ipjoin('testing', 'plugin', 'dtexample'))
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if not have['pexpect']:
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exclusions.extend([ipjoin('scripts', 'irunner'),
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ipjoin('lib', 'irunner')])
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# This is scary. We still have things in frontend and testing that
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# are being tested by nose that use twisted. We need to rethink
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# how we are isolating dependencies in testing.
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if not (have['twisted'] and have['zope.interface'] and have['foolscap']):
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exclusions.extend(
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[ipjoin('testing', 'parametric'),
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ipjoin('testing', 'util'),
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ipjoin('testing', 'tests', 'test_decorators_trial'),
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] )
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# This is needed for the reg-exp to match on win32 in the ipdoctest plugin.
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if sys.platform == 'win32':
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exclusions = [s.replace('\\','\\\\') for s in exclusions]
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return exclusions
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class IPTester(object):
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"""Call that calls iptest or trial in a subprocess.
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"""
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#: string, name of test runner that will be called
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runner = None
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#: list, parameters for test runner
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params = None
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#: list, arguments of system call to be made to call test runner
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call_args = None
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#: list, process ids of subprocesses we start (for cleanup)
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pids = None
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def __init__(self, runner='iptest', params=None):
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"""Create new test runner."""
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p = os.path
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if runner == 'iptest':
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iptest_app = get_ipython_module_path('IPython.testing.iptest')
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self.runner = pycmd2argv(iptest_app) + sys.argv[1:]
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elif runner == 'trial':
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# For trial, it needs to be installed system-wide
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self.runner = pycmd2argv(p.abspath(find_cmd('trial')))
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else:
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raise Exception('Not a valid test runner: %s' % repr(runner))
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if params is None:
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params = []
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if isinstance(params, str):
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params = [params]
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self.params = params
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# Assemble call
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self.call_args = self.runner+self.params
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# Store pids of anything we start to clean up on deletion, if possible
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# (on posix only, since win32 has no os.kill)
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self.pids = []
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if sys.platform == 'win32':
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def _run_cmd(self):
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# On Windows, use os.system instead of subprocess.call, because I
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# was having problems with subprocess and I just don't know enough
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# about win32 to debug this reliably. Os.system may be the 'old
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# fashioned' way to do it, but it works just fine. If someone
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# later can clean this up that's fine, as long as the tests run
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# reliably in win32.
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# What types of problems are you having. They may be related to
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# running Python in unboffered mode. BG.
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return os.system(' '.join(self.call_args))
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else:
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def _run_cmd(self):
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#print >> sys.stderr, '*** CMD:', ' '.join(self.call_args) # dbg
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subp = subprocess.Popen(self.call_args)
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self.pids.append(subp.pid)
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# If this fails, the pid will be left in self.pids and cleaned up
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# later, but if the wait call succeeds, then we can clear the
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# stored pid.
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retcode = subp.wait()
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self.pids.pop()
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return retcode
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def run(self):
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"""Run the stored commands"""
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try:
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return self._run_cmd()
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except:
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import traceback
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traceback.print_exc()
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return 1 # signal failure
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def __del__(self):
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"""Cleanup on exit by killing any leftover processes."""
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if not hasattr(os, 'kill'):
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return
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for pid in self.pids:
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try:
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print 'Cleaning stale PID:', pid
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os.kill(pid, signal.SIGKILL)
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except OSError:
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# This is just a best effort, if we fail or the process was
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# really gone, ignore it.
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pass
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def make_runners():
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"""Define the top-level packages that need to be tested.
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"""
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# Packages to be tested via nose, that only depend on the stdlib
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nose_pkg_names = ['config', 'core', 'extensions', 'frontend', 'lib',
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'scripts', 'testing', 'utils' ]
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# The machinery in kernel needs twisted for real testing
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trial_pkg_names = []
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# And add twisted ones if conditions are met
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if have['zope.interface'] and have['twisted'] and have['foolscap']:
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# We only list IPython.kernel for testing using twisted.trial as
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# nose and twisted.trial have conflicts that make the testing system
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# unstable.
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trial_pkg_names.append('kernel')
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# For debugging this code, only load quick stuff
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#nose_pkg_names = ['core', 'extensions'] # dbg
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#trial_pkg_names = [] # dbg
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# Make fully qualified package names prepending 'IPython.' to our name lists
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nose_packages = ['IPython.%s' % m for m in nose_pkg_names ]
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trial_packages = ['IPython.%s' % m for m in trial_pkg_names ]
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# Make runners
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runners = [ (v, IPTester('iptest', params=v)) for v in nose_packages ]
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runners.extend([ (v, IPTester('trial', params=v)) for v in trial_packages ])
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return runners
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def run_iptest():
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"""Run the IPython test suite using nose.
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This function is called when this script is **not** called with the form
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`iptest all`. It simply calls nose with appropriate command line flags
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and accepts all of the standard nose arguments.
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"""
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warnings.filterwarnings('ignore',
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'This will be removed soon. Use IPython.testing.util instead')
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argv = sys.argv + [ '--detailed-errors', # extra info in tracebacks
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# Loading ipdoctest causes problems with Twisted, but
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# our test suite runner now separates things and runs
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# all Twisted tests with trial.
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'--with-ipdoctest',
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'--ipdoctest-tests','--ipdoctest-extension=txt',
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# We add --exe because of setuptools' imbecility (it
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# blindly does chmod +x on ALL files). Nose does the
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# right thing and it tries to avoid executables,
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# setuptools unfortunately forces our hand here. This
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# has been discussed on the distutils list and the
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# setuptools devs refuse to fix this problem!
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'--exe',
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]
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if nose.__version__ >= '0.11':
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# I don't fully understand why we need this one, but depending on what
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# directory the test suite is run from, if we don't give it, 0 tests
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# get run. Specifically, if the test suite is run from the source dir
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# with an argument (like 'iptest.py IPython.core', 0 tests are run,
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# even if the same call done in this directory works fine). It appears
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# that if the requested package is in the current dir, nose bails early
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# by default. Since it's otherwise harmless, leave it in by default
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# for nose >= 0.11, though unfortunately nose 0.10 doesn't support it.
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argv.append('--traverse-namespace')
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# Construct list of plugins, omitting the existing doctest plugin, which
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# ours replaces (and extends).
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plugins = [IPythonDoctest(make_exclude())]
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for p in nose.plugins.builtin.plugins:
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plug = p()
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if plug.name == 'doctest':
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continue
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plugins.append(plug)
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# We need a global ipython running in this process
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globalipapp.start_ipython()
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# Now nose can run
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TestProgram(argv=argv, plugins=plugins)
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def run_iptestall():
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"""Run the entire IPython test suite by calling nose and trial.
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This function constructs :class:`IPTester` instances for all IPython
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modules and package and then runs each of them. This causes the modules
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and packages of IPython to be tested each in their own subprocess using
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nose or twisted.trial appropriately.
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"""
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runners = make_runners()
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# Run the test runners in a temporary dir so we can nuke it when finished
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|
# to clean up any junk files left over by accident. This also makes it
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# robust against being run in non-writeable directories by mistake, as the
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# temp dir will always be user-writeable.
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curdir = os.getcwd()
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testdir = tempfile.gettempdir()
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os.chdir(testdir)
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# Run all test runners, tracking execution time
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failed = []
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t_start = time.time()
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try:
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for (name, runner) in runners:
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print '*'*70
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print 'IPython test group:',name
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res = runner.run()
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|
if res:
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failed.append( (name, runner) )
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|
finally:
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os.chdir(curdir)
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|
t_end = time.time()
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t_tests = t_end - t_start
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nrunners = len(runners)
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|
nfail = len(failed)
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# summarize results
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|
|
print
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|
print '*'*70
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|
|
print 'Test suite completed for system with the following information:'
|
|
|
print report()
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|
|
print 'Ran %s test groups in %.3fs' % (nrunners, t_tests)
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|
|
print
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|
|
print 'Status:'
|
|
|
if not failed:
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|
print 'OK'
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|
|
else:
|
|
|
# If anything went wrong, point out what command to rerun manually to
|
|
|
# see the actual errors and individual summary
|
|
|
print 'ERROR - %s out of %s test groups failed.' % (nfail, nrunners)
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|
|
for name, failed_runner in failed:
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|
print '-'*40
|
|
|
print 'Runner failed:',name
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|
|
print 'You may wish to rerun this one individually, with:'
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|
|
print ' '.join(failed_runner.call_args)
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|
|
print
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|
|
def main():
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|
|
for arg in sys.argv[1:]:
|
|
|
if arg.startswith('IPython'):
|
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# This is in-process
|
|
|
run_iptest()
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|
else:
|
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|
# This starts subprocesses
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|
|
run_iptestall()
|
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if __name__ == '__main__':
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main()
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