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BUG: fix test error when ghostscript not installed #3312

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Merged
merged 1 commit into from
Jul 27, 2014
Merged

BUG: fix test error when ghostscript not installed #3312

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24 changes: 14 additions & 10 deletions lib/matplotlib/tests/test_backend_ps.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,11 +7,20 @@
import re

import six
from nose.plugins.skip import SkipTest

import matplotlib
import matplotlib.pyplot as plt
from matplotlib.testing.decorators import cleanup
from matplotlib.testing.decorators import cleanup, knownfailureif


needs_ghostscript = knownfailureif(
matplotlib.checkdep_ghostscript()[0] is None,
"This test needs a ghostscript installation")


needs_tex = knownfailureif(
not matplotlib.checkdep_tex(),
"This test needs a TeX installation")


def _test_savefig_to_stringio(format='ps'):
Expand Down Expand Up @@ -50,18 +59,15 @@ def test_savefig_to_stringio():


@cleanup
@needs_ghostscript
def test_savefig_to_stringio_with_distiller():
if not matplotlib.checkdep_ghostscript():
raise SkipTest("This test requires a GhostScript installation")
matplotlib.rcParams['ps.usedistiller'] = 'ghostscript'
_test_savefig_to_stringio()


@cleanup
@needs_tex
def test_savefig_to_stringio_with_usetex():
if not matplotlib.checkdep_tex():
raise SkipTest("This test requires a TeX installation")

matplotlib.rcParams['text.latex.unicode'] = True
matplotlib.rcParams['text.usetex'] = True
_test_savefig_to_stringio()
Expand All @@ -73,10 +79,8 @@ def test_savefig_to_stringio_eps():


@cleanup
@needs_tex
def test_savefig_to_stringio_with_usetex_eps():
if not matplotlib.checkdep_tex():
raise SkipTest("This test requires a TeX installation")

matplotlib.rcParams['text.latex.unicode'] = True
matplotlib.rcParams['text.usetex'] = True
_test_savefig_to_stringio(format='eps')
Expand Down