31 lines
		
	
	
		
			919 B
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			31 lines
		
	
	
		
			919 B
		
	
	
	
		
			Python
		
	
	
	
| import py
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| from py.__.rest.convert import convert_dot, latexformula2png
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| 
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| datadir = py.magic.autopath().dirpath().join("data")
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| 
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| def setup_module(mod):
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|     if not py.path.local.sysfind("gs") or \
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|            not py.path.local.sysfind("dot") or \
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|            not py.path.local.sysfind("latex"):
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|         py.test.skip("ghostscript, graphviz and latex needed")
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| 
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| def test_convert_dot():
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|     # XXX not really clear that the result is valid pdf/eps
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|     dot = datadir.join("example1.dot")
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|     convert_dot(dot, "pdf")
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|     pdf = dot.new(ext="pdf")
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|     assert pdf.check()
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|     pdf.remove()
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|     convert_dot(dot, "eps")
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|     eps = dot.new(ext="eps")
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|     assert eps.check()
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|     eps.remove()
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| 
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| def test_latexformula():
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|     png = datadir.join("test.png")
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|     formula = r'$$Entropy(T) = - \sum^{m}_{j=1}  \frac{|T_j|}{|T|} \log \frac{|T_j|}{|T|}$$'
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|     #does not crash
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|     latexformula2png(formula, png)
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|     assert png.check()
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|     png.remove()
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