53 lines
1.4 KiB
Python
53 lines
1.4 KiB
Python
|
"""
|
||
|
|
Helper functions for testing.
|
||
|
|
"""
|
||
|
|
|
||
|
|
import locale
|
||
|
|
import logging
|
||
|
|
|
||
|
|
import matplotlib as mpl
|
||
|
|
from matplotlib import cbook
|
||
|
|
|
||
|
|
_log = logging.getLogger(__name__)
|
||
|
|
|
||
|
|
|
||
|
|
@cbook.deprecated("3.2")
|
||
|
|
def is_called_from_pytest():
|
||
|
|
"""Whether we are in a pytest run."""
|
||
|
|
return getattr(mpl, '_called_from_pytest', False)
|
||
|
|
|
||
|
|
|
||
|
|
def set_font_settings_for_testing():
|
||
|
|
mpl.rcParams['font.family'] = 'DejaVu Sans'
|
||
|
|
mpl.rcParams['text.hinting'] = 'none'
|
||
|
|
mpl.rcParams['text.hinting_factor'] = 8
|
||
|
|
|
||
|
|
|
||
|
|
def set_reproducibility_for_testing():
|
||
|
|
mpl.rcParams['svg.hashsalt'] = 'matplotlib'
|
||
|
|
|
||
|
|
|
||
|
|
def setup():
|
||
|
|
# The baseline images are created in this locale, so we should use
|
||
|
|
# it during all of the tests.
|
||
|
|
|
||
|
|
try:
|
||
|
|
locale.setlocale(locale.LC_ALL, 'en_US.UTF-8')
|
||
|
|
except locale.Error:
|
||
|
|
try:
|
||
|
|
locale.setlocale(locale.LC_ALL, 'English_United States.1252')
|
||
|
|
except locale.Error:
|
||
|
|
_log.warning(
|
||
|
|
"Could not set locale to English/United States. "
|
||
|
|
"Some date-related tests may fail.")
|
||
|
|
|
||
|
|
mpl.use('Agg')
|
||
|
|
|
||
|
|
with cbook._suppress_matplotlib_deprecation_warning():
|
||
|
|
mpl.rcdefaults() # Start with all defaults
|
||
|
|
|
||
|
|
# These settings *must* be hardcoded for running the comparison tests and
|
||
|
|
# are not necessarily the default values as specified in rcsetup.py.
|
||
|
|
set_font_settings_for_testing()
|
||
|
|
set_reproducibility_for_testing()
|