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Robustness fixes in test suite machinery.

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Added a module-level INSTALLED flag, which can be set to false if the test
suite is being run in-place (without ipython having been installed at all).
This is because how we call and import things must be done differently
depending on whether the code is installed or is being run in-place.  The
only ones that can know this reliably are the entry-point scripts, so those
are responsible for setting this flag.

Also made the code that validates ipython in subprocesses report errors
better, by checking stderr for errors before validating stdout output, as
anything on stderr will be likely informative of the real problem.
This commit is contained in:
Fernando Perez 2010-01-17 13:13:21 -08:00
parent 4041a88063
commit e1ea030504
1 changed files with 41 additions and 25 deletions
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66
IPython/testing/iptest.py
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@ -57,6 +57,18 @@ from IPython.testing.plugin.ipdoctest import IPythonDoctest
pjoin = path.join
#-----------------------------------------------------------------------------
# Globals
#-----------------------------------------------------------------------------
# By default, we assume IPython has been installed. But if the test suite is
# being run from a source tree that has NOT been installed yet, this flag can
# be set to False by the entry point scripts, to let us know that we must call
# the source tree versions of the scripts which manipulate sys.path instead of
# assuming that things exist system-wide.
INSTALLED = True
#-----------------------------------------------------------------------------
# Warnings control
#-----------------------------------------------------------------------------
@ -88,7 +100,6 @@ def test_for(mod):
else:
return True
have_curses = test_for('_curses')
have_wx = test_for('wx')
have_wx_aui = test_for('wx.aui')
@ -100,6 +111,9 @@ have_pexpect = test_for('pexpect')
have_gtk = test_for('gtk')
have_gobject = test_for('gobject')
#-----------------------------------------------------------------------------
# Functions and classes
#-----------------------------------------------------------------------------
def make_exclude():
"""Make patterns of modules and packages to exclude from testing.
@ -190,10 +204,6 @@ def make_exclude():
return exclusions
#-----------------------------------------------------------------------------
# Functions and classes
#-----------------------------------------------------------------------------
class IPTester(object):
"""Call that calls iptest or trial in a subprocess.
"""
@ -208,14 +218,22 @@ class IPTester(object):
def __init__(self, runner='iptest', params=None):
"""Create new test runner."""
p = os.path
if runner == 'iptest':
# Find our own 'iptest' script OS-level entry point. Don't look
# system-wide, so we are sure we pick up *this one*. And pass
# through to subprocess call our own sys.argv
self.runner = tools.cmd2argv(os.path.abspath(__file__)) + \
sys.argv[1:]
if INSTALLED:
self.runner = tools.cmd2argv(
p.abspath(find_cmd('iptest'))) + sys.argv[1:]
else:
# Find our own 'iptest' script OS-level entry point. Don't
# look system-wide, so we are sure we pick up *this one*. And
# pass through to subprocess call our own sys.argv
ippath = p.abspath(p.join(p.dirname(__file__),'..','..'))
script = p.join(ippath, 'iptest.py')
self.runner = tools.cmd2argv(script) + sys.argv[1:]
else:
self.runner = tools.cmd2argv(os.path.abspath(find_cmd('trial')))
# For trial, it needs to be installed system-wide
self.runner = tools.cmd2argv(p.abspath(find_cmd('trial')))
if params is None:
params = []
if isinstance(params, str):
@ -296,7 +314,7 @@ def make_runners():
trial_pkg_names.append('kernel')
# For debugging this code, only load quick stuff
#nose_pkg_names = ['core'] # dbg
#nose_pkg_names = ['core', 'extensions'] # dbg
#trial_pkg_names = [] # dbg
# Make fully qualified package names prepending 'IPython.' to our name lists
@ -322,19 +340,7 @@ def run_iptest():
'This will be removed soon. Use IPython.testing.util instead')
argv = sys.argv + [ '--detailed-errors', # extra info in tracebacks
# I don't fully understand why we need this one, but
# depending on what directory the test suite is run
# from, if we don't give it, 0 tests get run.
# Specifically, if the test suite is run from the
# source dir with an argument (like 'iptest.py
# IPython.core', 0 tests are run, even if the same call
# done in this directory works fine). It appears that
# if the requested package is in the current dir,
# nose bails early by default. Since it's otherwise
# harmless, leave it in by default.
'--traverse-namespace',
# Loading ipdoctest causes problems with Twisted, but
# our test suite runner now separates things and runs
# all Twisted tests with trial.
@ -350,6 +356,16 @@ def run_iptest():
'--exe',
]
if nose.__version__ >= '0.11':
# I don't fully understand why we need this one, but depending on what
# directory the test suite is run from, if we don't give it, 0 tests
# get run. Specifically, if the test suite is run from the source dir
# with an argument (like 'iptest.py IPython.core', 0 tests are run,
# even if the same call done in this directory works fine). It appears
# that if the requested package is in the current dir, nose bails early
# by default. Since it's otherwise harmless, leave it in by default
# for nose >= 0.11, though unfortunately nose 0.10 doesn't support it.
argv.append('--traverse-namespace')
# Construct list of plugins, omitting the existing doctest plugin, which
# ours replaces (and extends).