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