test/unit/test_texmessageparser.py

   1 import sys
   2 if sys.path[0] != "../..":
   3     sys.path.insert(0, "../..")
   4
   5 import unittest, warnings, os
   6
   7 from pyx import text, unit
   8
   9 # text.set(texdebug="bla.tex", usefiles=["bla.log"])
  10
  11 class MessageParserTestCase(unittest.TestCase):
  12
  13     def failUnlessRaisesUserWarning(self, texexpression, warningmessage, textattrs=[], texmessages=[]):
  14         try:
  15             warnings.resetwarnings()
  16             warnings.filterwarnings(action="error")
  17             text.text(0, 0, texexpression, textattrs=textattrs, texmessages=texmessages)
  18         except UserWarning, w:
  19             if str(w) != warningmessage:
  20                 if 0: # turn on for debugging differences
  21                     print len(str(w)), len(warningmessage)
  22                     for i, (c1, c2) in enumerate(zip(str(w), warningmessage)):
  23                         print c1,
  24                         if c1 != c2:
  25                             print "difference at position %d" % i
  26                             print ord(c1), ord(c2)
  27                             break
  28                 raise
  29
  30     def testWarnings(self):
  31         self.failUnlessRaisesUserWarning(r"\some \badly \broken \TeX", r"""ignoring all warnings:
  32 *
  33 *! Undefined control sequence.
  34 <argument> \some
  35                  \badly \broken \TeX
  36 <*> }{1}
  37         %
  38 ! Undefined control sequence.
  39 <argument> \some \badly
  40                         \broken \TeX
  41 <*> }{1}
  42         %
  43 ! Undefined control sequence.
  44 <argument> \some \badly \broken
  45                                 \TeX
  46 <*> }{1}
  47         %
  48
  49
  50 *
  51
  52 """, texmessages=[text.texmessage.allwarning])
  53         self.failUnlessRaisesUserWarning(r"\fontseries{invalid}\selectfont{}hello, world", r"""ignoring font warning:
  54 LaTeX Font Warning: Font shape `OT1/cmr/invalid/n' undefined
  55 (Font)              using `OT1/cmr/m/n' instead on input line 0.""", texmessages=[text.texmessage.fontwarning])
  56         self.failUnlessRaisesUserWarning(r"hello, world", r"""ignoring overfull/underfull box warning:
  57 Overfull \hbox (8.22089pt too wide) detected at line 0
  58 []\OT1/cmr/m/n/10 hello,""", textattrs=[text.parbox(30*unit.u_pt)])
  59         self.failUnlessRaisesUserWarning(r"\hbadness=0hello, world, hello", r"""ignoring overfull/underfull box warning:
  60 Underfull \hbox (badness 171) detected at line 0
  61 []\OT1/cmr/m/n/10 hello, world,""", textattrs=[text.parbox(2.5)])
  62         self.failUnlessRaisesUserWarning(r"\parindent=0pt\vbox to 1cm {hello, world, hello, world, hello, world}", r"""ignoring overfull/underfull box warning:
  63 Overfull \vbox (2.4917pt too high) detected at line 0""", textattrs=[text.parbox(1.9)])
  64         self.failUnlessRaisesUserWarning(r"\parindent=0pt\vbox to 1cm {hello, world, hello, world}", r"""ignoring overfull/underfull box warning:
  65 Underfull \vbox (badness 10000) detected at line 0""", textattrs=[text.parbox(1.9)])
  66
  67     def testLoadLongFileNames(self):
  68         testfilename = "x"*100
  69         f = open(testfilename + ".tex", "w")
  70         f.write("\message{ignore this}")
  71         f.close()
  72         text.text(0, 0, "\\input %s\n" % testfilename, texmessages=[text.texmessage.load])
  73         os.remove(testfilename + ".tex")
  74         f = open(testfilename + ".eps", "w")
  75         f.write("%%BoundingBox: 0 0 10 10")
  76         f.close()
  77         text.text(0, 0, r"\includegraphics{%s}" % testfilename)
  78         os.remove(testfilename + ".eps")
  79
  80     def setUp(self):
  81         text.set(mode="latex")
  82         text.reset()
  83         text.preamble(r"\usepackage{graphicx}")
  84
  85     def tearDown(self):
  86         try:
  87             warnings.resetwarnings()
  88             warnings.filterwarnings(action="error")
  89             text.defaulttexrunner.finishdvi()
  90         except UserWarning, w:
  91             if str(w) != """ignoring font warning:
  92 LaTeX Font Warning: Some font shapes were not available, defaults substituted.""":
  93                 raise
  94
  95
  96 if __name__ == "__main__":
  97     unittest.main()