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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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# Module imports
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#-----------------------------------------------------------------------------
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import os
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import os.path as path
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import sys
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import subprocess
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import time
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import warnings
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import nose.plugins.builtin
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from nose.core import TestProgram
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from IPython.platutils import find_cmd
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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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# 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:
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return False
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else:
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return True
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have_curses = test_for('_curses')
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have_wx = test_for('wx')
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have_zi = 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_objc = test_for('objc')
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have_pexpect = test_for('pexpect')
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# For the IPythonDoctest plugin, we need to exclude certain patterns that cause
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# testing problems. We should strive to minimize the number of skipped
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# modules, since this means untested code. As the testing machinery
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# solidifies, this list should eventually become empty.
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EXCLUDE = [pjoin('IPython', 'external'),
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pjoin('IPython', 'frontend', 'process', 'winprocess.py'),
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pjoin('IPython_doctest_plugin'),
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pjoin('IPython', 'Gnuplot'),
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pjoin('IPython', 'Extensions', 'ipy_'),
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pjoin('IPython', 'Extensions', 'clearcmd'),
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pjoin('IPython', 'Extensions', 'PhysicalQInteractive'),
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pjoin('IPython', 'Extensions', 'scitedirector'),
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pjoin('IPython', 'Extensions', 'numeric_formats'),
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pjoin('IPython', 'testing', 'attic'),
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pjoin('IPython', 'testing', 'tutils')
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]
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if not have_wx:
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EXCLUDE.append(pjoin('IPython', 'Extensions', 'igrid'))
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EXCLUDE.append(pjoin('IPython', 'gui'))
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EXCLUDE.append(pjoin('IPython', 'frontend', 'wx'))
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if not have_objc:
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EXCLUDE.append(pjoin('IPython', 'frontend', 'cocoa'))
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if not have_curses:
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EXCLUDE.append(pjoin('IPython', 'Extensions', 'ibrowse'))
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if not sys.platform == 'win32':
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EXCLUDE.append(pjoin('IPython', 'platutils_win32'))
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if not os.name == 'posix':
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EXCLUDE.append(pjoin('IPython', 'platutils_posix'))
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if not have_pexpect:
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EXCLUDE.append(pjoin('IPython', 'irunner'))
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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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EXCLUDE = [s.replace('\\','\\\\') for s in EXCLUDE]
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#-----------------------------------------------------------------------------
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# Functions and classes
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#-----------------------------------------------------------------------------
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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 + [
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# Loading ipdoctest causes problems with Twisted.
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# I am removing this as a temporary fix to get the
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# test suite back into working shape. Our nose
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# plugin needs to be gone through with a fine
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# toothed comb to find what is causing the problem.
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'--with-ipdoctest',
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'--ipdoctest-tests','--ipdoctest-extension=txt',
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'--detailed-errors',
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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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# Detect if any tests were required by explicitly calling an IPython
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# submodule or giving a specific path
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has_tests = False
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for arg in sys.argv:
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if 'IPython' in arg or arg.endswith('.py') or \
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(':' in arg and '.py' in arg):
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has_tests = True
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break
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# If nothing was specifically requested, test full IPython
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if not has_tests:
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argv.append('IPython')
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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(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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#print '*** adding plugin:',plug.name # dbg
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plugins.append(plug)
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TestProgram(argv=argv,plugins=plugins)
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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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def __init__(self,runner='iptest',params=None):
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""" """
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if runner == 'iptest':
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self.runner = ['iptest','-v']
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else:
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self.runner = [find_cmd('trial')]
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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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def run(self):
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"""Run the stored commands"""
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return subprocess.call(self.call_args)
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def make_runners():
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"""Define the modules and packages that need to be tested.
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"""
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# This omits additional top-level modules that should not be doctested.
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# XXX: Shell.py is also ommited because of a bug in the skip_doctest
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# decorator. See ticket https://bugs.launchpad.net/bugs/366209
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top_mod = \
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['background_jobs.py', 'ColorANSI.py', 'completer.py', 'ConfigLoader.py',
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'CrashHandler.py', 'Debugger.py', 'deep_reload.py', 'demo.py',
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'DPyGetOpt.py', 'dtutils.py', 'excolors.py', 'FakeModule.py',
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'generics.py', 'genutils.py', 'history.py', 'hooks.py', 'ipapi.py',
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'iplib.py', 'ipmaker.py', 'ipstruct.py', 'Itpl.py',
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'Logger.py', 'macro.py', 'Magic.py', 'OInspect.py',
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'OutputTrap.py', 'platutils.py', 'prefilter.py', 'Prompts.py',
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'PyColorize.py', 'Release.py', 'rlineimpl.py', 'shadowns.py',
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'shellglobals.py', 'strdispatch.py', 'twshell.py',
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'ultraTB.py', 'upgrade_dir.py', 'usage.py', 'wildcard.py',
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# See note above for why this is skipped
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# 'Shell.py',
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'winconsole.py']
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if have_pexpect:
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top_mod.append('irunner.py')
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# These are tested by nose, so skip IPython.kernel
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top_pack = ['config','Extensions','frontend',
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'testing','tests','tools','UserConfig']
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if have_wx:
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top_pack.append('gui')
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modules = ['IPython.%s' % m[:-3] for m in top_mod ]
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packages = ['IPython.%s' % m for m in top_pack ]
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# Make runners
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runners = dict(zip(top_pack, [IPTester(params=v) for v in packages]))
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# Test IPython.kernel using trial if twisted is installed
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if have_zi and have_twisted and have_foolscap:
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runners['trial'] = IPTester('trial',['IPython'])
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runners['modules'] = IPTester(params=modules)
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return runners
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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 all test runners, tracking execution time
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failed = {}
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t_start = time.time()
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for name,runner in runners.iteritems():
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print '*'*77
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print 'IPython test set:',name
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res = runner.run()
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if res:
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failed[name] = res
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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 '*'*77
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print 'Ran %s test sets in %.3fs' % (nrunners, t_tests)
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print
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if not failed:
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print 'OK'
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else:
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# If anything went wrong, point out what command to rerun manually to
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# see the actual errors and individual summary
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print 'ERROR - %s out of %s test sets failed.' % (nfail, nrunners)
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for name in failed:
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failed_runner = runners[name]
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print '-'*40
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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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if sys.argv[1] == 'all':
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run_iptestall()
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else:
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run_iptest()
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if __name__ == '__main__':
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main()
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