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# -*- coding: utf-8 -*-
"""
test_ext_graphviz
~~~~~~~~~~~~~~~~~
Test sphinx.ext.graphviz extension.
:copyright: Copyright 2007-2016 by the Sphinx team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import re
import subprocess
from functools import wraps
from util import with_app, SkipTest
def skip_if_graphviz_not_found(fn):
@wraps(fn)
def decorator(app, *args, **kwargs):
found = False
graphviz_dot = getattr(app.config, 'graphviz_dot', '')
try:
if graphviz_dot:
dot = subprocess.Popen([graphviz_dot, '-V'],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE) # show version
dot.wait()
found = True
except OSError: # No such file or directory
pass
if not found:
raise SkipTest('graphviz "dot" is not available')
return fn(app, *args, **kwargs)
return decorator
@with_app('html', testroot='ext-graphviz')
@skip_if_graphviz_not_found
def test_graphviz_html(app, status, warning):
app.builder.build_all()
content = (app.outdir / 'index.html').text()
html = ('<div class="figure" .*?>\s*<img .*?/>\s*<p class="caption">'
'<span class="caption-text">caption of graph</span>.*</p>\s*</div>')
assert re.search(html, content, re.S)
html = 'Hello <img .*?/>\n graphviz world'
assert re.search(html, content, re.S)
html = '<img src=".*?" alt="digraph {\n bar -> baz\n}" />'
assert re.search(html, content, re.M)
html = ('<div class="figure align-right" .*?>\s*<img .*?/>\s*<p class="caption">'
'<span class="caption-text">on right</span>.*</p>\s*</div>')
assert re.search(html, content, re.S)
@with_app('latex', testroot='ext-graphviz')
@skip_if_graphviz_not_found
def test_graphviz_latex(app, status, warning):
app.builder.build_all()
content = (app.outdir / 'SphinxTests.tex').text()
macro = ('\\\\begin{figure}\[htbp\]\n\\\\centering\n\\\\capstart\n\n'
'\\\\includegraphics{graphviz-\w+.pdf}\n'
'\\\\caption{caption of graph}\\\\label{.*}\\\\end{figure}')
assert re.search(macro, content, re.S)
macro = 'Hello \\\\includegraphics{graphviz-\w+.pdf} graphviz world'
assert re.search(macro, content, re.S)
macro = ('\\\\begin{wrapfigure}{r}{0pt}\n\\\\centering\n'
'\\\\includegraphics{graphviz-\w+.pdf}\n'
'\\\\caption{on right}\\\\label{.*}\\\\end{wrapfigure}')
assert re.search(macro, content, re.S)
@with_app('html', testroot='ext-graphviz', confoverrides={'language': 'xx'})
@skip_if_graphviz_not_found
def test_graphviz_i18n(app, status, warning):
app.builder.build_all()
content = (app.outdir / 'index.html').text()
html = '<img src=".*?" alt="digraph {\n BAR -> BAZ\n}" />'
assert re.search(html, content, re.M)
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