#!/usr/bin/env python
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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

"""
Validate that we can set the LATEX string to our own utility, that
the produced .dvi, .aux and .log files get removed by the -c option,
and that we can use this to wrap calls to the real latex utility.
"""

import os

import TestSCons

_python_ = TestSCons._python_

test = TestSCons.TestSCons()

latex = test.where_is('latex')

if not latex:
    test.skip_test('could not find latex; skipping test\n')

test.write('SConstruct', """
import os
ENV = { 'PATH' : os.environ['PATH'],
        'TEXINPUTS' : [ 'subdir', os.environ.get('TEXINPUTS', '') ] }
foo = Environment(ENV = ENV)
foo.DVI(target = 'foo.dvi', source = 'foo.ltx')
""" % locals())

test.write('foo.ltx', r"""
\documentclass{letter}
\usepackage{bar}
\begin{document}
This is the foo.ltx file.
\end{document}
""")

test.write('bar.sty', "\n")

test.run(arguments = 'foo.dvi', stderr = None)

test.write('bar.sty', "\n\n\n")

test.not_up_to_date(arguments = 'foo.dvi', stderr = None)



test.pass_test()