Source

SCons / test / TEX / lstinputlisting.py

#!/usr/bin/env python
#
# __COPYRIGHT__
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#

__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

"""
Verify that we re-run LaTeX when a source file in \lstinputlisting
changes.

Thanks to Stefan Hepp for the patch that fixed this.
"""

import TestSCons
import os

test = TestSCons.TestSCons()

pdflatex = test.where_is('pdflatex')

if not pdflatex:
    test.skip_test("Could not find pdflatex; skipping test(s).\n")

listings = os.system('kpsewhich listings.sty')
if not listings==0:
    test.skip_test("listings.sty not installed; skipping test(s).\n")

test.write(['SConstruct'], """\
import os

DefaultEnvironment()

PDF("test.tex")
""")

test.write(['test.tex'], r"""
\documentclass{article}
\usepackage{listings}

\begin{document}

\section{Listings}

\lstinputlisting{test.c}

\end{document}
""")

source_content = r"""
int main(int argc, char** argv) {
    return %s;
}
"""



test.write('test.c', source_content % '0')

test.run()

pdf_output_1 = test.read('test.pdf')



test.write('test.c', source_content % '1')

test.run()

pdf_output_2 = test.read('test.pdf')

# If the PDF file is the same as it was previously, then it didn't
# pick up the change from 1981 to 1982, so fail.
test.fail_test(pdf_output_1 == pdf_output_2)



# Double-check:  clean everything and rebuild from scratch, which
# should force the PDF file to be the 1982 version.

test.run(arguments = '-c')

test.run()

pdf_output_3 = test.read('test.pdf')



# If the PDF file is now different than the second run, modulo the
# creation timestamp and the ID and some other PDF garp, then something
# else odd has happened, so fail.

pdf_output_2 = test.normalize_pdf(pdf_output_2)
pdf_output_3 = test.normalize_pdf(pdf_output_3)

if pdf_output_2 != pdf_output_3:
    import sys
    test.write('test.normalized.2.pdf', pdf_output_2)
    test.write('test.normalized.3.pdf', pdf_output_3)
    sys.stdout.write("***** 2 and 3 are different!\n")
    sys.stdout.write(test.diff_substr(pdf_output_2, pdf_output_3, 80, 80) + '\n')
    sys.stdout.write("Output from run 2:\n")
    sys.stdout.write(test.stdout(-2) + '\n')
    sys.stdout.write("Output from run 3:\n")
    sys.stdout.write(test.stdout() + '\n')
    sys.stdout.flush()
    test.fail_test()



test.pass_test()

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