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

"""
Test creation of a Tex document that uses the biblatex package
It uses the default backend, could be bibtex or biber. 
Require both be installed

Test courtesy Rob Managan.
"""

import TestSCons
import os

test = TestSCons.TestSCons()

latex = test.where_is('pdflatex')
if not latex:
    test.skip_test("Could not find 'pdflatex'; skipping test.\n")

biber = test.where_is('biber')
if not biber:
    test.skip_test("Could not find 'biber'; skipping test.\n")

bibtex = test.where_is('bibtex')
if not bibtex:
    test.skip_test("Could not find 'bibtex'; skipping test.\n")

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


test.write(['SConstruct'], """\
#!/usr/bin/env python

import os
env = Environment(ENV=os.environ)
main_output = env.PDF('bibertest.tex')
""")


sources_bib_content = r"""
@book{mybook,
  title={Title},
  author={Author, A},
  year={%s},
  publisher={Publisher},
}
"""
test.write(['ref.bib'],sources_bib_content % '2013' )

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

\usepackage{biblatex}
\addbibresource{ref.bib}

\begin{document}

Hello. This is boring.
\cite{mybook}
And even more boring.

\printbibliography
\end{document}
""")


test.run()


# All (?) the files we expect will get created in the docs directory
files = [
    'bibertest.aux',
    'bibertest.bbl',
    'bibertest.blg',
    'bibertest.fls',
    'bibertest.log',
    'bibertest.pdf',
    'bibertest.run.xml',
]


for f in files:
    test.must_exist([ f])

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



test.write(['ref.bib'],sources_bib_content % '1982')

test.run()

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

pdf_output_1 = test.normalize_pdf(pdf_output_1)
pdf_output_2 = test.normalize_pdf(pdf_output_2)

# 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)

test.pass_test()