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import os
import sys
import warnings
import pytest
try:
from qtpy import PYSIDE2
except Exception:
PYSIDE2 = False
from glue.config import CFG_DIR as CFG_DIR_ORIG
try:
import objgraph
except ImportError:
OBJGRAPH_INSTALLED = False
else:
OBJGRAPH_INSTALLED = True
STDERR_ORIGINAL = sys.stderr
ON_APPVEYOR = os.environ.get('APPVEYOR', 'False') == 'True'
def pytest_runtest_teardown(item, nextitem):
sys.stderr = STDERR_ORIGINAL
global start_dir
os.chdir(start_dir)
def pytest_addoption(parser):
parser.addoption("--no-optional-skip", action="store_true", default=False,
help="don't skip any tests with optional dependencies")
start_dir = None
def pytest_configure(config):
global start_dir
start_dir = os.path.abspath('.')
os.environ['GLUE_TESTING'] = 'True'
if config.getoption('no_optional_skip'):
from glue.tests import helpers
for attr in helpers.__dict__:
if attr.startswith('requires_'):
# The following line replaces the decorators with a function
# that does noting, effectively disabling it.
setattr(helpers, attr, lambda f: f)
# Make sure we don't affect the real glue config dir
import tempfile
from glue import config
config.CFG_DIR = tempfile.mkdtemp()
# Start up QApplication, if the Qt code is present
try:
from glue.utils.qt import get_qapp
except Exception:
# Note that we catch any exception, not just ImportError, because
# QtPy can raise a PythonQtError.
pass
else:
get_qapp()
# Force loading of plugins
from glue.main import load_plugins
load_plugins()
def pytest_report_header(config):
from glue import __version__
glue_version = "%20s:\t%s" % ("glue", __version__)
from glue._deps import get_status
return os.linesep + glue_version + os.linesep + os.linesep + get_status()
def pytest_unconfigure(config):
os.environ.pop('GLUE_TESTING')
# Reset configuration directory to original one
from glue import config
config.CFG_DIR = CFG_DIR_ORIG
# Remove reference to QApplication to prevent segmentation fault on PySide
try:
from glue.utils.qt import app
app.qapp = None
except Exception: # for when we run the tests without the qt directories
# Note that we catch any exception, not just ImportError, because
# QtPy can raise a PythonQtError.
pass
if OBJGRAPH_INSTALLED and not ON_APPVEYOR:
# Make sure there are no lingering references to GlueApplication
obj = objgraph.by_type('GlueApplication')
if len(obj) > 0:
objgraph.show_backrefs(objgraph.by_type('GlueApplication'))
warnings.warn('There are {0} remaining references to GlueApplication'.format(len(obj)))
# Uncomment when checking for memory leaks
# objgraph.show_most_common_types(limit=100)
# With PySide2, tests can fail in a non-deterministic way with the following
# error:
#
# AttributeError: 'PySide2.QtGui.QStandardItem' object has no attribute 'connect'
#
# Until this can be properly debugged and fixed, we xfail any test that fails
# with this exception
if PYSIDE2:
def pytest_runtest_call(__multicall__):
try:
__multicall__.execute()
except AttributeError as exc:
if 'PySide2.QtGui.QStandardItem' in str(exc):
pytest.xfail()
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