#-----------------------------------------------------------------------------
# Copyright (c) 2013, the IPython Development Team.
#
# Distributed under the terms of the Modified BSD License.
#
# The full license is in the file COPYING.txt, distributed with this software.
#-----------------------------------------------------------------------------

#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
from ..citation import citation2latex
from nose.tools import assert_equal

#-----------------------------------------------------------------------------
# Tests
#-----------------------------------------------------------------------------
test_md = {"""
# My Heading

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Phasellus ac magna non augue
porttitor scelerisque ac id diam <cite data-cite="granger">Granger</cite>. Mauris elit
velit, lobortis sed interdum at, vestibulum vitae libero <strong data-cite="fperez">Perez</strong>.
Lorem ipsum dolor sit amet, consectetur adipiscing elit
<em data-cite="takluyver">Thomas</em>. Quisque iaculis ligula ut ipsum mattis viverra.

<p>Here is a plain paragraph that should be unaffected. It contains simple
relations like 1<2 & 4>5.</p>

* One <cite data-cite="jdfreder">Jonathan</cite>.
* Two <cite data-cite="carreau">Matthias</cite>.
* Three <cite data-cite="ivanov">Paul</cite>.
""":  """
# My Heading

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Phasellus ac magna non augue
porttitor scelerisque ac id diam \cite{granger}. Mauris elit
velit, lobortis sed interdum at, vestibulum vitae libero \cite{fperez}.
Lorem ipsum dolor sit amet, consectetur adipiscing elit
\cite{takluyver}. Quisque iaculis ligula ut ipsum mattis viverra.

<p>Here is a plain paragraph that should be unaffected. It contains simple
relations like 1<2 & 4>5.</p>

* One \cite{jdfreder}.
* Two \cite{carreau}.
* Three \cite{ivanov}.
""",

# No citations
r"""The quick brown fox jumps over the lazy dog.""": 
r"""The quick brown fox jumps over the lazy dog.""",

# Simple inline
r"""Foo <cite data-cite=asdf>Text</cite> bar""":
r"""Foo \cite{asdf} bar""",

# Multiline
r"""<cite data-cite=ewqr>Text
</cite>Foo""":
r"""\cite{ewqr}Foo""",

# Nested tags
r"""<div><div data-cite=Foo><div>Text</div></div></div> Bar""":
r"""<div>\cite{Foo}</div> Bar""",

# Including Maths
r"""Foo $3*2*1$ <div data-cite=Foo>Text</div> Bar""":
r"""Foo $3*2*1$ \cite{Foo} Bar""",

# Missing end tag
r"""<cite data-cite=asdf>Test Foo""":
r"""\cite{asdf}""",

r"""<cite data-cite=asdf><cite>Test Foo""":
r"""\cite{asdf}""",

r"""<cite data-cite=asdf><cite>Test</cite> Foo""":
r"""\cite{asdf}""",

# Multiple arguments
r"""<cite width=qwer data-cite=asdf>Test</cite> Foo""":
r"""\cite{asdf} Foo""",

# Wrong capitalization
r"""<CITE data-cite=asdf>Test</cite> Foo""":
r"""\cite{asdf} Foo""",

r"""<cite DATA-CITE=asdf>Test</cite> Foo""":
r"""\cite{asdf} Foo""",

# Wrong end tag
r"""<asd data-cite=wer> ksjfs </asdf> sdf ds """:
r"""\cite{wer}""",

r"""<asd data-cite=wer>""":
r"""\cite{wer}""",

# Invalid tag names
r"""<frog> <foo data-cite=wer></foo>""":
r"""<frog> \cite{wer}""",

# Non-nested tags
r"""<strong> <h1> <cite data-cite=asdf></cite>Test</strong> Foo </h1>""":
r"""<strong> <h1> \cite{asdf}Test</strong> Foo </h1>""",

# LXML errors
r"""Foo
\begin{eqnarray}
1 & <cite data-cite=bar>bar1</cite> \\
3 & 4 \\
\end{eqnarray}""":
r"""Foo
\begin{eqnarray}
1 & \cite{bar} \\
3 & 4 \\
\end{eqnarray}""",

r"""
1<2 is true, but 3>4 is false.

$1<2$ is true, but $3>4$ is false.

1<2 it is even worse if it is alone in a line.""":
r"""
1<2 is true, but 3>4 is false.

$1<2$ is true, but $3>4$ is false.

1<2 it is even worse if it is alone in a line.""",

r"""
1 < 2 is true, but 3 > 4 is false

$1 < 2$ is true, but $3 > 4$ is false

1 < 2 it is even worse if it is alone in a line.
""":
r"""
1 < 2 is true, but 3 > 4 is false

$1 < 2$ is true, but $3 > 4$ is false

1 < 2 it is even worse if it is alone in a line.
"""}

def test_citation2latex():
    """Are citations parsed properly?"""
    for input, output in test_md.items():
        yield (assert_equal, citation2latex(input), output)
