##// END OF EJS Templates
Set calling program to the empty string, when argv not in sys...
Set calling program to the empty string, when argv not in sys It might happen, then the sys module has no argv, when embeding IPython into other programs with IPython.embed(). In that case, just set the calling program to "" or other logic in IPython will crash - for instance when checking for command line arguments.

File last commit:

r10731:c21ea2ae
r11103:df671dbb
Show More
test_display.py
38 lines | 1.8 KiB | text/x-python | PythonLexer
#-----------------------------------------------------------------------------
# Copyright (C) 2010-2011 The IPython Development Team.
#
# Distributed under the terms of the BSD License.
#
# The full license is in the file COPYING.txt, distributed with this software.
#-----------------------------------------------------------------------------
import os
import nose.tools as nt
from IPython.core import display
from IPython.utils import path as ipath
def test_image_size():
"""Simple test for display.Image(args, width=x,height=y)"""
thisurl = 'http://www.google.fr/images/srpr/logo3w.png'
img = display.Image(url=thisurl, width=200, height=200)
nt.assert_equal(u'<img src="%s" width="200" height="200"/>' % (thisurl), img._repr_html_())
img = display.Image(url=thisurl, width=200)
nt.assert_equal(u'<img src="%s" width="200"/>' % (thisurl), img._repr_html_())
img = display.Image(url=thisurl)
nt.assert_equal(u'<img src="%s"/>' % (thisurl), img._repr_html_())
def test_image_filename_defaults():
'''test format constraint, and validity of jpeg and png'''
tpath = ipath.get_ipython_package_dir()
nt.assert_raises(ValueError, display.Image, filename=os.path.join(tpath, 'testing/tests/badformat.gif'),
embed=True)
nt.assert_raises(ValueError, display.Image)
nt.assert_raises(ValueError, display.Image, data='this is not an image', format='badformat', embed=True)
imgfile = os.path.join(tpath, 'frontend/html/notebook/static/base/images/ipynblogo.png')
img = display.Image(filename=imgfile)
nt.assert_equal('png', img.format)
nt.assert_is_not_none(img._repr_png_())
img = display.Image(filename=os.path.join(tpath, 'testing/tests/logo.jpg'), embed=False)
nt.assert_equal('jpeg', img.format)
nt.assert_is_none(img._repr_jpeg_())