diff --git a/doc/utils/converters/lammpsdoc/txt2rst.py b/doc/utils/converters/lammpsdoc/txt2rst.py
index f9ceb9b7a..aec1b0d02 100755
--- a/doc/utils/converters/lammpsdoc/txt2rst.py
+++ b/doc/utils/converters/lammpsdoc/txt2rst.py
@@ -1,352 +1,357 @@
#! /usr/bin/env python3
# LAMMPS Documentation Utilities
#
# Converter of LAMMPS documentation format to Sphinx ReStructured Text
#
# Copyright (C) 2015 Richard Berger
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see .
import os
import re
import argparse
from lammpsdoc import lammps_filters
from lammpsdoc.txt2html import Markup, Formatting, TxtParser, TxtConverter
class RSTMarkup(Markup):
def __init__(self):
super().__init__()
def bold_start(self):
return "**"
def bold_end(self):
return "**"
def italic_start(self):
return "*"
def italic_end(self):
return "*"
def bold(self, text):
""" RST requires a space after inline formats.
For words which only partially apply a format add a backslash and whitespace to create valid RST"""
text = re.sub(r'([^\s\\])\[([^\]\\]+)\]', r'\1\\ [\2]', text)
text = re.sub(r'([^\\]?)\[([^\]\\]+)\]([^\s])', r'\1[\2]\\ \3', text)
text = super().bold(text)
return text
def italic(self, text):
""" RST requires a space after inline formats.
For words which only partially apply a format add a backslash and whitespace to create valid RST"""
text = re.sub(r'([^\s\\])\{([^\}\\]+)\}', r'\1\\ {\2}', text)
text = re.sub(r'([^\\]?)\{([^\}\\]+)\}([^\s])', r'\1{\2}\\ \3', text)
text = super().italic(text)
return text
def convert(self, text):
+ text = self.escape_rst_chars(text)
text = super().convert(text)
text = self.inline_math(text)
return text
+ def escape_rst_chars(self, text):
+ text = text.replace('*', '\\*')
+ return text
+
def inline_math(self, text):
start_pos = text.find("\\(")
end_pos = text.find("\\)")
while start_pos >= 0 and end_pos >= 0:
original = text[start_pos:end_pos+2]
formula = original[2:-2]
replacement = ":math:`" + formula.replace('\n', ' ').strip() + "`"
text = text.replace(original, replacement)
start_pos = text.find("\\(")
end_pos = text.find("\\)")
return text
def create_link(self, content, href):
content = content.strip()
content = content.replace('\n', ' ')
anchor_pos = href.find('#')
if anchor_pos >= 0:
href = href[anchor_pos+1:]
return ":ref:`%s <%s>`" % (content, href)
if href in self.references:
return ":ref:`%s <%s>`" % (content, href)
elif href in self.aliases:
href = "%s_" % href
elif href.endswith('.html') and not href.startswith('http') and 'USER/atc' not in href:
href = href[0:-5]
return ":doc:`%s <%s>`" % (content, href)
return "`%s <%s>`_" % (content, href)
class RSTFormatting(Formatting):
RST_HEADER_TYPES = '#*=-^"'
def __init__(self, markup):
super().__init__(markup)
def paragraph(self, content):
return content.strip() + "\n"
def center(self, content):
return content
def linebreak(self, content):
return content.strip()
def preformat(self, content):
return ".. parsed-literal::\n\n" + self.indent(content.rstrip())
def horizontal_rule(self, content):
return "\n----------\n\n" + content.strip()
def image(self, content, file, link=None):
if link and (link.lower().endswith('.jpg') or
link.lower().endswith('.jpeg') or
link.lower().endswith('.png') or
link.lower().endswith('.gif')):
converted = ".. thumbnail:: " + link + "\n"
else:
converted = ".. image:: " + file + "\n"
if link:
converted += " :target: " + link + "\n"
if "c" in self.current_command_list:
converted += " :align: center\n"
return converted + content.strip()
def named_link(self, paragraph, name):
self.markup.add_internal_reference(name)
return (".. _%s:\n\n" % name) + paragraph
def define_link_alias(self, paragraph, alias, value):
self.markup.add_link_alias(alias, value)
return (".. _%s: %s\n\n" % (alias, value)) + paragraph
def header(self, content, level):
header_content = content.strip()
header_content = re.sub(r'[0-9]+\.[0-9]*\s+', '', header_content)
header_underline = RSTFormatting.RST_HEADER_TYPES[level-1] * len(header_content)
return header_content + "\n" + header_underline + "\n"
def unordered_list_item(self, paragraph):
return "* " + paragraph.strip().replace('\n', '\n ')
def ordered_list_item(self, paragraph, index):
if index is None:
index = "#"
return str(index) + ". " + paragraph.strip().replace('\n', '\n ')
def definition_term(self, paragraph):
return paragraph.strip()
def definition_description(self, paragraph):
return self.indent(paragraph.strip())
def unordered_list_begin(self, paragraph):
return paragraph
def unordered_list_end(self, paragraph):
return paragraph.rstrip() + '\n'
def ordered_list_begin(self, paragraph):
if paragraph.startswith('* '):
paragraph = '#. ' + paragraph[2:]
return paragraph
def definition_list_begin(self, paragraph):
return paragraph
def definition_list_end(self, paragraph):
return paragraph
def ordered_list_end(self, paragraph):
return paragraph.rstrip() + '\n'
def ordered_list(self, paragraph):
paragraph = super().ordered_list(paragraph)
return paragraph.rstrip() + '\n'
def unordered_list(self, paragraph):
paragraph = super().unordered_list(paragraph)
return paragraph.rstrip() + '\n'
def all_breaks(self, paragraph):
indented = ""
for line in paragraph.splitlines():
indented += "| %s\n" % line
indented += "| \n"
return indented
def begin_document(self):
return ""
def end_document(self):
return ""
def raw_html(self, content):
raw_directive = ".. raw:: html\n\n"
return raw_directive + self.indent(content)
def indent(self, content):
indented = ""
for line in content.splitlines():
indented += " %s\n" % line
return indented
def get_max_column_widths(self, rows):
num_columns = max([len(row) for row in rows])
max_widths = [0] * num_columns
for columns in rows:
for col_idx, column in enumerate(columns):
max_widths[col_idx] = max(max_widths[col_idx], len(column.strip())+2)
return max_widths
def create_table_horizontal_line(self, max_widths):
cell_borders = ['-' * width for width in max_widths]
return '+' + '+'.join(cell_borders) + "+"
def table(self, paragraph, configuration):
paragraph = self.protect_rst_directives(paragraph)
if configuration['num_columns'] == 0:
rows = self.create_table_with_columns_based_on_newlines(paragraph, configuration['separator'])
else:
rows = self.create_table_with_fixed_number_of_columns(paragraph, configuration['separator'],
configuration['num_columns'])
column_widths = self.get_max_column_widths(rows)
max_columns = len(column_widths)
horizontal_line = self.create_table_horizontal_line(column_widths) + "\n"
tbl = horizontal_line
for row_idx in range(len(rows)):
columns = rows[row_idx]
tbl += "| "
for col_idx in range(max_columns):
if col_idx < len(columns):
col = columns[col_idx].strip()
else:
col = ""
tbl += col.ljust(column_widths[col_idx]-2, ' ')
tbl += " |"
if col_idx < max_columns - 1:
tbl += " "
tbl += "\n"
tbl += horizontal_line
tbl = self.restore_rst_directives(tbl)
return tbl
def protect_rst_directives(self, content):
content = content.replace(":doc:", "0DOC0")
content = content.replace(":ref:", "0REF0")
return content
def restore_rst_directives(self, content):
content = content.replace("0DOC0", ":doc:")
content = content.replace("0REF0", ":ref:")
return content
def math(self, content):
eqs = content.split(r'\end{equation}')
text = ""
if len(eqs) > 1:
post = eqs[-1].strip()
eqs = eqs[0:-1]
else:
post = ""
for eq in eqs:
if len(eq.strip()) == 0:
continue
parts = eq.split(r'\begin{equation}')
assert(len(parts) == 1 or len(parts) == 2)
if len(parts) == 2:
start = parts[0].strip()
body = parts[1]
else:
start = ""
body = parts[0]
if len(start) > 0:
text += start + "\n"
text += "\n.. math::\n\n"
text += self.indent(r'\begin{equation}' + body.strip('\n') + r'\end{equation}')
text += "\n"
return text + post
class Txt2Rst(TxtParser):
def __init__(self):
super().__init__()
self.markup = RSTMarkup()
self.format = RSTFormatting(self.markup)
self.register_filters()
def register_filters(self):
self.paragraph_filters.append(lammps_filters.detect_and_format_notes)
self.document_filters.append(lammps_filters.filter_file_header_until_first_horizontal_line)
self.document_filters.append(lammps_filters.detect_and_add_command_to_index)
self.document_filters.append(lammps_filters.filter_multiple_horizontal_rules)
self.document_filters.append(lammps_filters.promote_doc_keywords)
def is_ignored_textblock_begin(self, line):
return line.startswith('')
def is_ignored_textblock_end(self, line):
return line.startswith('')
def is_raw_textblock_begin(self, line):
return line.startswith('')
class Txt2RstConverter(TxtConverter):
def get_argument_parser(self):
parser = argparse.ArgumentParser(description='converts a text file with simple formatting & markup into '
'Restructured Text for Sphinx.')
parser.add_argument('-x', metavar='file-to-skip', dest='skip_files', action='append')
parser.add_argument('files', metavar='file', nargs='+', help='one or more files to convert')
return parser
def create_converter(self, args):
return Txt2Rst()
def get_output_filename(self, path):
filename, ext = os.path.splitext(path)
return filename + ".rst"
def main():
app = Txt2RstConverter()
app.run()
if __name__ == "__main__":
main()
diff --git a/doc/utils/converters/tests/test_txt2rst.py b/doc/utils/converters/tests/test_txt2rst.py
index e2c20434b..9403d419a 100644
--- a/doc/utils/converters/tests/test_txt2rst.py
+++ b/doc/utils/converters/tests/test_txt2rst.py
@@ -1,437 +1,441 @@
# LAMMPS Documentation Utilities
#
# Copyright (C) 2015 Richard Berger
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see .
import io
import tempfile
import unittest
from lammpsdoc import txt2rst
class TestBasicFormatting(unittest.TestCase):
def setUp(self):
self.txt2rst = txt2rst.Txt2Rst()
def test_empty_string(self):
self.assertEqual(self.txt2rst.convert(""), "")
def test_single_paragraph(self):
self.assertEqual("Hello World!\n\n", self.txt2rst.convert("Hello World!\n"))
def test_two_paragraphs(self):
s = self.txt2rst.convert("Hello World!\n\nBye World!\n")
self.assertEqual("Hello World!\n\n"
"Bye World!\n\n", s)
def test_line_concat(self):
s = self.txt2rst.convert("Hello World!\\\nBye World!\n")
self.assertEqual(s, "Hello World!Bye World!\n\n")
def test_html_pass_through(self):
s = self.txt2rst.convert("
Raw HTML
\n")
self.assertEqual(s, ".. raw:: html\n\n"
"
Raw HTML
\n\n")
def test_ignore_html_only_block(self):
s = self.txt2rst.convert("\n"
"content :p\n"
"\n")
self.assertEqual("", s)
def test_pass_through_raw_rst(self):
raw_rst = ".. toctree::\n" \
" :maxdepth: 2\n" \
" :numbered:\n" \
"\n" \
" Introduction\n"
s = self.txt2rst.convert("\n")
self.assertEqual(raw_rst, s)
class TestMarkup(unittest.TestCase):
def setUp(self):
self.markup = txt2rst.RSTMarkup()
self.txt2rst = txt2rst.Txt2Rst()
def test_bold(self):
self.assertEqual("**bold**", self.markup.convert("[bold]"))
def test_italic(self):
self.assertEqual("*italic*", self.markup.convert("{italic}"))
def test_escape_markup(self):
s = self.markup.convert("[bold] = \\[bold\\]\n"
"{italic} = \\{italic\\}\n")
self.assertEqual("**bold** = [bold]\n"
"*italic* = {italic}\n", s)
+ def test_escape_rst_characters(self):
+ s = self.markup.convert("[*bold] and {italic*}")
+ self.assertEqual("**\*bold** and *italic\**", s)
+
def test_paragraph_with_italic(self):
self.assertEqual("A sentence with a *italic* word", self.markup.convert("A sentence with a {italic} word"))
def test_paragraph_with_partial_italic(self):
self.assertEqual("A sentence with a partial *italic*\ normal word",
self.markup.convert("A sentence with a partial {italic}normal word"))
def test_paragraph_with_partial_bold(self):
self.assertEqual("A sentence with a partial **bold**\ normal word",
self.markup.convert("A sentence with a partial [bold]normal word"))
def test_paragraph_with_mixed_formats(self):
self.assertEqual("A sentence with a partial normal\ **bold**\ *italic*\ normal word",
self.markup.convert("A sentence with a partial normal[bold]{italic}normal word"))
def test_link_markup(self):
self.assertEqual("`Text `_", self.markup.convert('"Text"_link'))
def test_document_cross_reference_link(self):
self.assertEqual(":doc:`Text `", self.markup.convert('"Text"_link.html'))
def test_user_atc_link(self):
self.assertEqual("`Text `_", self.markup.convert('"Text"_USER/atc/link.html'))
def test_external_link(self):
self.assertEqual("`Text `_", self.markup.convert('"Text"_http://site/index.html'))
def test_multiline_link_markup(self):
s = self.txt2rst.convert('"Te\n'
'xt"_link\n')
self.assertEqual("`Te xt `_\n\n", s)
def test_ignore_punctuation_in_link(self):
self.assertEqual("`Text `_.", self.markup.convert('"Text"_link.'))
self.assertEqual("`Text `_,", self.markup.convert('"Text"_link,'))
self.assertEqual("`Text `_;", self.markup.convert('"Text"_link;'))
self.assertEqual("`Text `_:", self.markup.convert('"Text"_link:'))
self.assertEqual("`Text `_?", self.markup.convert('"Text"_link?'))
self.assertEqual("`Text `_!", self.markup.convert('"Text"_link!'))
self.assertEqual("`Text `_(", self.markup.convert('"Text"_link('))
self.assertEqual("`Text `_)", self.markup.convert('"Text"_link)'))
class TestFormatting(unittest.TestCase):
def setUp(self):
self.txt2rst = txt2rst.Txt2Rst()
def test_paragraph_formatting(self):
s = self.txt2rst.convert("Hello :p\n")
self.assertEqual("Hello\n\n", s)
def test_two_paragraphs_through_formatting(self):
text = "Hello :p\nBye :p\n"
p = list(self.txt2rst.paragraphs(text))
s = self.txt2rst.convert(text)
self.assertEqual(len(p), 2)
self.assertEqual(s, "Hello\n"
"\n"
"Bye\n"
"\n")
def test_break_formatting(self):
s = self.txt2rst.convert("Hello :b\n")
self.assertEqual("Hello\n", s)
def test_preformat_formatting(self):
s = self.txt2rst.convert("Hello :pre\n")
self.assertEqual(".. parsed-literal::\n\n"
" Hello\n\n", s)
def test_preformat_formatting_with_indentation(self):
s = self.txt2rst.convert(" Hello\n"
" World :pre\n")
self.assertEqual(".. parsed-literal::\n\n"
" Hello\n"
" World\n\n", s)
def test_header_formatting(self):
s = self.txt2rst.convert("Level 1 :h1\n"
"Level 2 :h2\n"
"Level 3 :h3\n"
"Level 4 :h4\n"
"Level 5 :h5\n"
"Level 6 :h6\n")
self.assertEqual("Level 1\n"
"#######\n"
"\n"
"Level 2\n"
"*******\n"
"\n"
"Level 3\n"
"=======\n"
"\n"
"Level 4\n"
"-------\n"
"\n"
"Level 5\n"
"^^^^^^^\n"
"\n"
"Level 6\n"
'"""""""\n'
'\n', s)
def test_filter_header_numbers(self):
s = self.txt2rst.convert("1.1 Level :h1\n")
self.assertEqual("Level\n"
"#####\n\n", s)
def test_all_breaks(self):
s = self.txt2rst.convert("one\n"
"two\n"
"three :all(b)\n")
self.assertEqual("| one\n"
"| two\n"
"| three \n"
"| \n"
"\n", s)
def test_links_with_all_breaks(self):
s = self.txt2rst.convert("\"one\"_link\n"
"\"two\"_link\n"
"\"three\"_link :all(b)\n")
self.assertEqual("| `one `_\n"
"| `two `_\n"
"| `three `_ \n"
"| \n"
"\n", s)
class TestListFormatting(unittest.TestCase):
def setUp(self):
self.txt2rst = txt2rst.Txt2Rst()
def test_unordered_list(self):
s = self.txt2rst.convert("one\n"
"two\n"
"three :ul\n")
self.assertEqual("* one\n"
"* two\n"
"* three\n\n", s)
def test_elementwise_unordered_list(self):
s = self.txt2rst.convert("one :ulb,l\n"
"two :l\n"
"three :ule,l\n")
self.assertEqual("* one\n"
"* two\n"
"* three\n\n", s)
def test_multi_line_unordered_list_elements(self):
s = self.txt2rst.convert("one :ulb,l\n"
"two\n"
"words :l\n"
"three :ule,l\n")
self.assertEqual("* one\n"
"* two\n"
" words\n"
"* three\n\n", s)
def test_ordered_list(self):
s = self.txt2rst.convert("one\n"
"two\n"
"three :ol\n")
self.assertEqual("1. one\n"
"2. two\n"
"3. three\n\n", s)
def test_elementwise_ordered_list(self):
s = self.txt2rst.convert("one :olb,l\n"
"two :l\n"
"three :ole,l\n")
self.assertEqual("#. one\n"
"#. two\n"
"#. three\n\n", s)
def test_multi_line_ordered_list_elements(self):
s = self.txt2rst.convert("one :olb,l\n"
"two\n"
"words :l\n"
"three :ole,l\n")
self.assertEqual("#. one\n"
"#. two\n"
" words\n"
"#. three\n\n", s)
def test_paragraphs_ordered_list(self):
s = self.txt2rst.convert("first\n"
"paragraph :olb,l\n"
"second\n"
"paragraph :l\n"
"third\n"
"paragraph :ole,l\n")
self.assertEqual("#. first\n"
" paragraph\n"
"#. second\n"
" paragraph\n"
"#. third\n"
" paragraph\n\n", s)
def test_paragraphs_unordered_list(self):
s = self.txt2rst.convert("first\n"
"paragraph :ulb,l\n"
"second\n"
"paragraph :l\n"
"third\n"
"paragraph :ule,l\n")
self.assertEqual("* first\n"
" paragraph\n"
"* second\n"
" paragraph\n"
"* third\n"
" paragraph\n\n", s)
def test_definition_list(self):
s = self.txt2rst.convert("A\n"
"first\n"
"B\n"
"second :dl\n")
self.assertEqual("A\n"
" first\n"
"\n"
"B\n"
" second\n"
"\n\n", s)
class TestSpecialCommands(unittest.TestCase):
def setUp(self):
self.txt2rst = txt2rst.Txt2Rst()
def test_line(self):
self.txt2rst.document_filters = []
s = self.txt2rst.convert("one :line\n")
self.assertEqual("\n"
"----------\n"
"\n"
"one\n", s)
def test_image(self):
s = self.txt2rst.convert("one :image(file)\n")
self.assertEqual(".. image:: file\n"
"one\n", s)
def test_centered_image(self):
s = self.txt2rst.convert(":image(file),c\n")
self.assertEqual(".. image:: file\n"
" :align: center\n\n", s)
def test_image_with_link(self):
s = self.txt2rst.convert("one :image(file,link)\n")
self.assertEqual(s, ".. image:: file\n"
" :target: link\n"
"one\n")
def test_thumbnail_image(self):
# requires sphinxcontrib-images extension
s = self.txt2rst.convert("one :image(file,large_file.jpg)\n")
self.assertEqual(s, ".. thumbnail:: large_file.jpg\n"
"one\n")
def test_internal_reference_link(self):
s = self.txt2rst.convert("one :link(name)\n"
"a \"link\"_name to above\n")
self.assertEqual(".. _name:\n"
"\n"
"one \n\n"
"a :ref:`link ` to above\n\n", s)
def test_local_anchor_link(self):
s = self.txt2rst.convert("one :link(name)\n"
"a \"link\"_#name to above\n")
self.assertEqual(".. _name:\n"
"\n"
"one \n\n"
"a :ref:`link ` to above\n\n", s)
def test_define_link_alias(self):
s = self.txt2rst.convert("one :link(alias,value)\n"
"\"test\"_alias\n")
self.assertEqual(".. _alias: value\n\n"
"one \n"
"\n"
"`test `_\n\n", s)
class TestTableCommand(unittest.TestCase):
def setUp(self):
self.txt2rst = txt2rst.Txt2Rst()
def test_convert_table_to_grid_table(self):
s = self.txt2rst.convert("a,b,c :tb")
table = "+---+---+---+\n" \
"| a | b | c |\n" \
"+---+---+---+\n\n"
self.assertEqual(table, s)
def test_avoid_rst_syntax_conflicts_with_table_separator(self):
s = self.txt2rst.convert("\"a\"_test.html: b: c :tb(s=:)")
table = "+-----------------+---+---+\n" \
"| :doc:`a ` | b | c |\n" \
"+-----------------+---+---+\n\n"
self.assertEqual(table, s)
class TestTxt2RstCLI(unittest.TestCase):
def setUp(self):
self.out = io.StringIO()
self.err = io.StringIO()
self.app = txt2rst.Txt2RstConverter()
def test_convert_single_file(self):
with tempfile.NamedTemporaryFile(mode='w+t') as f:
f.write('Hello World!\n')
f.flush()
args = [f.name]
self.app.run(args=args, out=self.out, err=self.err)
self.assertEqual("Hello World!\n\n", self.out.getvalue())
self.assertEqual("Converting " + f.name + " ...\n", self.err.getvalue())
class TestMathMarkup(unittest.TestCase):
def setUp(self):
self.markup = txt2rst.RSTMarkup()
self.txt2rst = txt2rst.Txt2Rst()
def test_detect_latex_equation(self):
s = self.txt2rst.convert("\\begin\\{equation\\} T_\\{ij\\}(r_\\{ij\\}) = 1 - \\left( 1 +\n"
"\\frac\{s_\\{ij\} r_\\{ij\} \\}\\{2\\} \\right)\n"
"\\exp \\left( - s_\\{ij\\} r_\\{ij\\} \\right) \\end\\{equation\\}\n")
self.assertEqual("\n.. math::\n\n"
" \\begin{equation} T_{ij}(r_{ij}) = 1 - \\left( 1 +\n"
" \\frac{s_{ij} r_{ij} }{2} \\right)\n"
" \\exp \\left( - s_{ij} r_{ij} \\right) \\end{equation}\n\n", s)
def test_detect_inline_latex_equation(self):
s = self.txt2rst.convert("Masses: \\begin\\{equation\\} M' = M + m \\end\\{equation\\}\n"
"\\begin\\{equation\\} m' = \\frac \\{M\\, m \\} \\{M'\\} \\end\\{equation\\}\n")
self.assertEqual("Masses:\n"
"\n.. math::\n\n"
" \\begin{equation} M' = M + m \end{equation}\n"
"\n"
"\n.. math::\n"
"\n"
" \\begin{equation} m' = \\frac {M\\, m } {M'} \\end{equation}\n"
"\n", s)
def test_detect_inline_math(self):
self.assertEqual(":math:`x^2`", self.markup.convert("\\( x^2 \\)"))
def test_detect_multiline_inline_math(self):
line = "\\(\\sqrt \\{ \\frac \\{2\, k_B \\mathtt\\{Tcom\\}\, m'\\}\n" \
"\\{\\mathrm dt\\, \\mathtt\\{damp\\_com\\} \\}\n" \
"\\} \\). :b\n" \
"\(f_r'\) is a random force proportional to\n"
expected = ":math:`\\sqrt { \\frac {2\\, k_B \\mathtt{Tcom}\, m'} " \
"{\\mathrm dt\\, \\mathtt{damp\\_com} } " \
"}`.\n" \
":math:`f_r'` is a random force proportional to\n\n"
self.assertEqual(expected, self.txt2rst.convert(line))
if __name__ == '__main__':
unittest.main()