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Merge pull request #3154 from WeatherGod/mplot3d/whitelist_tests
whitelist mpl_toolkits tests
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Original file line number | Diff line number | Diff line change |
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from __future__ import (absolute_import, division, print_function, | ||
unicode_literals) | ||
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import six | ||
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import difflib | ||
import os | ||
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from matplotlib import rcParams, rcdefaults, use | ||
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_multiprocess_can_split_ = True | ||
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# Check that the test directories exist | ||
if not os.path.exists(os.path.join( | ||
os.path.dirname(__file__), 'baseline_images')): | ||
raise IOError( | ||
'The baseline image directory does not exist. ' | ||
'This is most likely because the test data is not installed. ' | ||
'You may need to install matplotlib from source to get the ' | ||
'test data.') | ||
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def setup(): | ||
# The baseline images are created in this locale, so we should use | ||
# it during all of the tests. | ||
import locale | ||
import warnings | ||
from matplotlib.backends import backend_agg, backend_pdf, backend_svg | ||
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try: | ||
locale.setlocale(locale.LC_ALL, str('en_US.UTF-8')) | ||
except locale.Error: | ||
try: | ||
locale.setlocale(locale.LC_ALL, str('English_United States.1252')) | ||
except locale.Error: | ||
warnings.warn( | ||
"Could not set locale to English/United States. " | ||
"Some date-related tests may fail") | ||
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use('Agg', warn=False) # use Agg backend for these tests | ||
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# These settings *must* be hardcoded for running the comparison | ||
# tests and are not necessarily the default values as specified in | ||
# rcsetup.py | ||
rcdefaults() # Start with all defaults | ||
rcParams['font.family'] = 'Bitstream Vera Sans' | ||
rcParams['text.hinting'] = False | ||
rcParams['text.hinting_factor'] = 8 | ||
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# Clear the font caches. Otherwise, the hinting mode can travel | ||
# from one test to another. | ||
backend_agg.RendererAgg._fontd.clear() | ||
backend_pdf.RendererPdf.truetype_font_cache.clear() | ||
backend_svg.RendererSVG.fontd.clear() | ||
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def assert_str_equal(reference_str, test_str, | ||
format_str=('String {str1} and {str2} do not ' | ||
'match:\n{differences}')): | ||
""" | ||
Assert the two strings are equal. If not, fail and print their | ||
diffs using difflib. | ||
""" | ||
if reference_str != test_str: | ||
diff = difflib.unified_diff(reference_str.splitlines(1), | ||
test_str.splitlines(1), | ||
'Reference', 'Test result', | ||
'', '', 0) | ||
raise ValueError(format_str.format(str1=reference_str, | ||
str2=test_str, | ||
differences=''.join(diff))) |
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