def test_background_picture():
# Given
doc = dedent(r"""
\begin{document}
\BackgroundPicture{images/img1.png}
\BackgroundPicture{images/blank}
\BackgroundPictureWidth{images/img2.jpg}
\BackgroundPictureWidth{images/blank}
\BackgroundPictureHeight{images/img3.jpg}
\BackgroundPictureHeight{images/blank}
\end{document}
""")
# When
t2c = Tex2Cells(doc)
cells = t2c.parse()
# Then
assert len(cells) == 3
assert cells[0]['cell_type'] == 'markdown'
src = cells[0]['source']
assert len(src) == 1
assert src[0] == '<img width="100%" src="images/img1.png"/>\n'
assert cells[1]['cell_type'] == 'markdown'
src = cells[1]['source']
assert len(src) == 1
assert src[0] == '<img width="100%" src="images/img2.jpg"/>\n'
assert cells[2]['cell_type'] == 'markdown'
src = cells[2]['source']
assert len(src) == 1
assert src[0] == '<img height="100%" src="images/img3.jpg"/>\n'
def test_quote_works_center_ignored_hrule_works():
# Given
doc = dedent(r"""
\begin{document}
\begin{frame}
\begin{center}
\begin{quote}
To do
or not to do.
\end{quote}
\hrule
\end{center}
\end{frame}
\end{document}
""")
# When
t2c = Tex2Cells(doc)
cells = t2c.parse()
# Then
assert len(cells) == 1
assert cells[0]['cell_type'] == 'markdown'
src = cells[0]['source']
assert len(src) == 3
print(src)
assert src[0] == '> To do\n'
assert src[1] == '> or not to do.\n'
assert src[2] == '\n----\n'
def test_inline_equations():
# Given
doc = dedent(r"""
\begin{document}
\begin{frame}
$\int f(x) dx$
\begin{itemize}
\item hello $\alpha + \frac{1}{2} \beta_{\gamma}$ world
\end{itemize}
\end{frame}
\end{document}
""")
# When
t2c = Tex2Cells(doc)
cells = t2c.parse()
# Then
assert len(cells) == 1
assert cells[0]['cell_type'] == 'markdown'
src = cells[0]['source']
print(src)
expect = [
r'$\int f(x) dx$' + '\n',
r'* hello$\alpha + \frac{1}{2} \beta_{\gamma}$ world' + '\n'
]
assert src == expect
def test_document_sections():
# Given
doc = dedent(r"""
\begin{document}
\section{Introduction}
\subsection{Motivation}
\subsubsection{Blah}
\section{Methods}
\end{document}
""")
# When
t2c = Tex2Cells(doc)
cells = t2c.parse()
# Then
assert len(cells) == 4
assert cells[0]['cell_type'] == 'markdown'
assert cells[0]['source'] == ['## Introduction\n']
assert cells[1]['cell_type'] == 'markdown'
assert cells[1]['source'] == ['### Motivation\n']
assert cells[2]['cell_type'] == 'markdown'
assert cells[2]['source'] == ['#### Blah\n']
assert cells[3]['cell_type'] == 'markdown'
assert cells[3]['source'] == ['## Methods\n']
def test_movie_env_works():
# Given
doc = dedent(r"""
\begin{document}
\begin{frame}
\movie[width=9cm, height=5cm]{}{movies/movie.mp4}
\media{poster.png}{movies/movie.mp4}
\end{frame}
\end{document}
""")
# When
t2c = Tex2Cells(doc)
cells = t2c.parse()
# Then
assert len(cells) == 1
assert cells[0]['cell_type'] == 'markdown'
src = cells[0]['source']
print(src)
assert src[0] == '<div align="center">\n'
assert src[1] == '<video loop controls src="movies/movie.mp4"/>\n'
assert src[2] == '</div>\n'
assert src[3] == '<div align="center">\n'
assert src[4] == '<video loop controls src="movies/movie.mp4"/>\n'
assert src[5] == '</div>\n'
def test_space_should_be_ignored():
# Given
doc = dedent(r"""
\begin{document}
\begin{frame}
\frametitle{Title}
\hspace{0.1in} hello
\hspace*{0.1in} world
\vspace{0.1in} hola
\vspace*{0.1in} namaste
\end{frame}
\end{document}
""")
# When
t2c = Tex2Cells(doc)
cells = t2c.parse()
# Then
assert len(cells) == 1
assert cells[0]['cell_type'] == 'markdown'
src = cells[0]['source']
assert len(src) == 2
print(src)
assert src[0] == '## Title\n'
assert src[1] == ' hello\n world\n hola\n namaste\n'
def test_images_should_work_figure_ignored():
# Given
doc = dedent(r"""
\begin{document}
\begin{frame}
\frametitle{Title}
\begin{figure}
\pgfimage[height=1cm,width=1cm]{images/img1.png}
\end{figure}
\includegraphics[height=1cm,width=1cm]{images/img2.jpg}
\url{www.python.org}
\end{frame}
\end{document}
""")
# When
t2c = Tex2Cells(doc)
cells = t2c.parse()
# Then
assert len(cells) == 1
assert cells[0]['cell_type'] == 'markdown'
src = cells[0]['source']
print(src)
assert src[0] == '## Title\n'
assert src[1] == ''
assert src[2] == '<img src="images/img1.png"/>\n'
assert src[3] == '<img src="images/img2.jpg"/>\n'
assert src[4] == '<www.python.org> '
def test_itemize_enumerate_works():
# Given
doc = dedent(r"""
\begin{document}
\begin{frame}
\frametitle{Title}
\begin{itemize}
\item item 1
\item item 2
\end{itemize}
\begin{enumerate}
\item aa
\item bb
\end{enumerate}
hello
\end{frame}
\end{document}
""")
# When
t2c = Tex2Cells(doc)
cells = t2c.parse()
# Then
assert len(cells) == 1
assert cells[0]['cell_type'] == 'markdown'
src = cells[0]['source']
print(src)
assert src[0] == '## Title\n'
assert src[1] == '\n'
assert src[2] == '* item 1\n'
assert src[3] == '* item 2\n\n'
assert src[4] == '1. aa\n'
assert src[5] == '1. bb\nhello\n'
def test_titlepage_is_created_when_title_is_outside_document():
# Given
doc = dedent(r"""
\documentclass[14pt, compress]{beamer}
\title{foo}
\author{blah}
\date{date}
\begin{document}
\begin{frame}
\titlepage
\end{frame}
\end{document}
""")
# When
t2c = Tex2Cells(doc)
cells = t2c.parse()
# Then
assert len(cells) == 1
assert cells[0]['cell_type'] == 'markdown'
src = cells[0]['source']
assert src[0] == '# foo\n'
assert src[1] == '\n'
assert src[2] == '**blah**\n'
assert src[3] == '\n'
assert src[4] == '**Institute**\n'
assert src[5] == '\n'
assert src[6] == '**date**\n'
def test_text_embellishments():
# Given
doc = dedent(r"""
\begin{document}
\begin{frame}
\textbf{bold} \emph{emph} \texttt{texttt} \lstinline{code}
\typ{code} \kwrd{for} hello \ldots
\end{frame}
\begin{frame}
\emph{emph}
\end{frame}
\begin{frame}
\texttt{texttt}
\end{frame}
\end{document}
""")
# When
t2c = Tex2Cells(doc)
cells = t2c.parse()
# Then
assert len(cells) == 3
src = cells[0]['source']
assert src[0] == '**bold** *emph* `texttt` `code` `code` `for` hello ...'
src = cells[1]['source']
assert src[0] == '*emph* '
src = cells[2]['source']
assert src[0] == '`texttt` '
def test_lstlisting_with_output_should_make_multiple_cells():
# Given
doc = dedent(r"""
\begin{document}
\begin{lstlisting}
In []: 1
Out[]: 1
In []: 1+1
Out[]: 2
\end{lstlisting}
\end{document}
""")
t2c = Tex2Cells(doc)
# When
cells = t2c.parse()
# Then
assert len(cells) == 3
assert cells[0]['source'] == ['1\n']
assert cells[0]['cell_type'] == 'code'
assert cells[0]['metadata']['slideshow']['slide_type'] == '-'
assert cells[1]['source'] == ['1+1\n']
assert cells[1]['cell_type'] == 'code'
assert cells[1]['metadata']['slideshow']['slide_type'] == '-'
def test_pause_should_add_new_fragment():
doc = dedent(r"""
\begin{document}
\begin{frame}
\begin{itemize}
\item item 1
\pause
\item item 2
\end{itemize}
\begin{lstlisting}
print 1
\end{lstlisting}
\pause
\begin{lstlisting}
print 2
\end{lstlisting}
\end{frame}
\end{document}
""")
# When
t2c = Tex2Cells(doc)
cells = t2c.parse()
# Then
print(cells)
assert len(cells) == 4
assert cells[0]['cell_type'] == 'markdown'
assert cells[0]['metadata']['slideshow']['slide_type'] == 'slide'
src = cells[0]['source']
assert src[0] == '* item 1'
assert cells[1]['cell_type'] == 'markdown'
assert cells[1]['metadata']['slideshow']['slide_type'] == 'fragment'
src = cells[1]['source']
assert src[0] == '* item 2\n'
assert cells[2]['cell_type'] == 'code'
assert cells[2]['metadata']['slideshow']['slide_type'] == '-'
src = cells[2]['source']
assert src[0] == 'print 1\n'
assert cells[3]['cell_type'] == 'code'
assert cells[3]['metadata']['slideshow']['slide_type'] == 'fragment'
src = cells[3]['source']
assert src[0] == 'print 2\n'
def test_equations():
# Given
doc = dedent(r"""
\begin{document}
\begin{frame}
\begin{equation}
\alpha + \frac{1}{2} \beta_1
\end{equation}
\begin{equation*}
\beta = \gamma
\end{equation*}
\begin{align}
\beta = \gamma
\end{align}
\begin{align*}
\beta = \gamma
\end{align*}
\[v_\theta = \frac{\Gamma}{2\pi r}\]
\end{frame}
\end{document}
""")
# When
t2c = Tex2Cells(doc)
cells = t2c.parse()
# Then
assert len(cells) == 1
assert cells[0]['cell_type'] == 'markdown'
src = cells[0]['source']
print(src)
assert src[0] == '$$\n'
assert src[1] == r'\alpha + \frac{1}{2} \beta_1' + '\n'
assert src[2] == '$$\n'
assert src[3] == '$$\n'
assert src[4] == r'\beta = \gamma'
assert src[5] == '$$\n'
assert src[6] == '$$\n'
assert src[7] == r'\beta = \gamma'
assert src[8] == '$$\n'
assert src[9] == '$$\n'
assert src[10] == r'\beta = \gamma'
assert src[11] == '$$\n'
assert src[12] == '$$\n'
assert src[13] == r'v_\theta = \frac{\Gamma}{2\pi r}'
assert src[14] == '$$\n'
def test_unknown_macro_should_be_in_source():
# Given
doc = dedent(r"""
\begin{document}
\begin{frame}
\something
\other{hello}
\end{frame}
\end{document}
""")
# When
t2c = Tex2Cells(doc)
cells = t2c.parse()
# Then
assert len(cells) == 1
src = cells[0]['source']
assert src == ['\\something \\other hello']
def test_minipage_is_ignored():
# Given
doc = dedent(r"""
\begin{document}
\begin{frame}
\begin{minipage}
hello world
\end{minipage}
\end{frame}
\end{document}
""")
# When
t2c = Tex2Cells(doc)
cells = t2c.parse()
# Then
assert len(cells) == 1
assert cells[0]['cell_type'] == 'markdown'
assert cells[0]['source'] == ['hello world\n']
def test_title_can_have_text_embellishments():
# Given
doc = dedent(r"""
\begin{document}
\begin{frame}
\frametitle{\emph{emph} \textbf{bold} $\alpha$ \lstinline{print}}
\end{frame}
\end{document}
""")
# When
t2c = Tex2Cells(doc)
cells = t2c.parse()
# Then
assert len(cells) == 1
assert cells[0]['cell_type'] == 'markdown'
src = cells[0]['source']
print(src)
assert src[0] == '## *emph* **bold** $\\alpha$ `print` \n'
def test_block_is_handled():
# Given
doc = dedent(r"""
\begin{document}
\begin{frame}
\begin{block}{Test block}
Hello world
\end{block}
\end{frame}
\end{document}
""")
# When
t2c = Tex2Cells(doc)
cells = t2c.parse()
# Then
assert len(cells) == 1
src = cells[0]['source']
assert src[0] == '### Test block\n'
assert src[1] == 'Hello world\n'
def test_lstlistings_inside_itemize():
# Given
doc = dedent(r"""
\begin{document}
\begin{frame}
\begin{itemize}
\item item1
\begin{lstlisting}
In []: 1
\end{lstlisting}
\item item2
\begin{verbatim}
print(2)
\end{verbatim}
\end{itemize}
\end{frame}
\end{document}
""")
t2c = Tex2Cells(doc)
# When
cells = t2c.parse()
# Then
assert len(cells) == 4
assert cells[0]['source'] == ['* item1']
assert cells[0]['cell_type'] == 'markdown'
assert cells[0]['metadata']['slideshow']['slide_type'] == 'slide'
assert cells[1]['source'] == ['1\n']
assert cells[1]['cell_type'] == 'code'
assert cells[1]['metadata']['slideshow']['slide_type'] == '-'
assert cells[2]['source'] == ['* item2']
assert cells[2]['cell_type'] == 'markdown'
assert cells[2]['metadata']['slideshow']['slide_type'] == '-'
assert cells[3]['source'] == ['print(2)\n']
assert cells[3]['cell_type'] == 'code'
assert cells[3]['metadata']['slideshow']['slide_type'] == '-'
def test_multiple_lstlistings():
# Given
doc = dedent(r"""
\begin{document}
\begin{frame}
\begin{lstlisting}
In []: 1
\end{lstlisting}
\begin{itemize}
\item blah
\end{itemize}
\begin{verbatim}
In []: 2
print(2)
>>> print('hello')
\end{verbatim}
\end{frame}
\end{document}
""")
t2c = Tex2Cells(doc)
# When
cells = t2c.parse()
# Then
assert len(cells) == 3
assert cells[0]['source'] == ['1\n']
assert cells[0]['cell_type'] == 'code'
assert cells[0]['metadata']['slideshow']['slide_type'] == 'slide'
assert cells[1]['source'] == ['* blah\n']
assert cells[1]['cell_type'] == 'markdown'
assert cells[1]['metadata']['slideshow']['slide_type'] == '-'
assert cells[2]['source'] == ['2\n', 'print(2)\n', ">>> print('hello')\n"]
assert cells[2]['cell_type'] == 'code'
assert cells[2]['metadata']['slideshow']['slide_type'] == '-'