def test_space_around_operators():
input_string = "a+b=c"
out = blacktex.clean(input_string)
assert out == "a+b = c"
input_string = "a+b&=&c"
out = blacktex.clean(input_string)
assert out == "a+b &=& c"
def test_comments():
input_string = "lorem %some comment \n %sit amet"
out = blacktex.clean(input_string)
assert out == "lorem"
input_string = "% lorem some comment \n sit amet"
out = blacktex.clean(input_string)
assert out == " sit amet"
input_string = "A % lorem some comment \n sit amet"
out = blacktex.clean(input_string)
assert out == "A\n sit amet"
def test_linebreak_around_begin_end():
input_string = (
"A\\begin{equation}a+b\\end{equation} B \n\\begin{a}\nd+e\n\\end{a}\nB"
)
out = blacktex.clean(input_string)
ref = "A\n\\begin{equation}\na+b\n\\end{equation}\nB\n\\begin{a}\nd+e\n\\end{a}\nB"
assert out == ref
# indentation is okay
input_string = "A\n \\begin{equation}\n a+b\n \\end{equation}"
out = blacktex.clean(input_string)
assert out == "A\n \\begin{equation}\n a+b\n \\end{equation}"
def test_env_label():
input_string = "A\n\\begin{lemma}\n\\label{lvalpp}"
out = blacktex.clean(input_string)
assert out == "A\n\\begin{lemma}\\label{lvalpp}"
input_string = "A\n\\section{Intro}\n\\label{lvalpp}"
out = blacktex.clean(input_string)
assert out == "A\n\\section{Intro}\\label{lvalpp}"
input_string = "A\n\\subsection{Intro}\n\\label{lvalpp}"
out = blacktex.clean(input_string)
assert out == "A\n\\subsection{Intro}\\label{lvalpp}"
def test_multiple_spaces():
input_string = "lorem ipsum dolor sit amet"
out = blacktex.clean(input_string)
assert out == "lorem ipsum dolor sit amet"
# It's allowed as indentation at the beginning of lines
input_string = "a\n b\nc"
out = blacktex.clean(input_string)
assert out == "a\n b\nc"
input_string = "\\[\n S(T)\\leq S(P_n).\n\\]\n"
out = blacktex.clean(input_string)
assert out == "\\[\n S(T)\\leq S(P_n).\n\\]\n"
def test_subsuperscript_space():
input_string = "2^ng"
out = blacktex.clean(input_string)
assert out == "2^n g"
input_string = "2_ng"
out = blacktex.clean(input_string)
assert out == "2_n g"
input_string = "$1/n^3$."
out = blacktex.clean(input_string)
assert out == "$1/n^3$."
input_string = "${n^3}$."
out = blacktex.clean(input_string)
assert out == "${n^3}$."
input_string = "$(n^3)$."
out = blacktex.clean(input_string)
assert out == "$(n^3)$."
input_string = "n^\\alpha"
out = blacktex.clean(input_string)
assert out == "n^\\alpha"
input_string = "a^2_PP^2"
out = blacktex.clean(input_string)
assert out == "a^2_P P^2"
input_string = "a_2^PP_2"
out = blacktex.clean(input_string)
assert out == "a_2^P P_2"
def test_coloneqq():
input_string = "A:=b+c"
out = blacktex.clean(input_string)
assert out == "A\\coloneqq b+c"
input_string = "A := b+c"
out = blacktex.clean(input_string)
assert out == "A \\coloneqq b+c"
input_string = "A : = b+c"
out = blacktex.clean(input_string)
assert out == "A \\coloneqq b+c"
input_string = "b+c = : A"
out = blacktex.clean(input_string)
assert out == "b+c \\eqqcolon A"
def main(argv=None):
parser = _get_parser()
args = parser.parse_args(argv)
out = blacktex.clean(args.infile.read())
if args.in_place:
with open(args.infile.name, "w") as f:
f.write(out)
else:
args.outfile.write(out)
def test_readme():
input_string = (
"Because of $$a+b=c$$ ({\\it Pythogoras}),\n"
"% @johnny remember to insert name,\n"
"and $y=2^ng$ with $n=1,...,10$, we have ${\\Gamma \\over 2}=8.$")
out = blacktex.clean(input_string)
assert out == (
"Because of\n"
"\\[\n"
"a+b = c\n"
"\\]\n"
"(\\textit{Pythogoras}),\n"
"and $y = 2^n g$ with $n = 1,\\dots,10$, we have $\\frac{\\Gamma}{2} = 8$."
)
def main(argv=None):
parser = _get_parser()
args = parser.parse_args(argv)
stdout = []
return_code = 0
for fl in args.infiles:
with open(fl.name, encoding=args.encoding) as f:
content = f.read()
out = blacktex.clean(content, args.keep_comments,
args.keep_dollar_math)
if args.in_place:
return_code = return_code or int(content != out)
with open(fl.name, "w", encoding=args.encoding) as f:
f.write(out)
else:
stdout.append(out)
if not args.in_place:
print("\n".join(stdout), end="")
return return_code
def test_env_option_spec():
input_string = "\\begin{table} \n [h!]G"
out = blacktex.clean(input_string)
assert out == "\\begin{table}[h!]\nG"
input_string = "\\begin{table} [h!]G"
out = blacktex.clean(input_string)
assert out == "\\begin{table}[h!]\nG"
input_string = "\\begin{table} [h!]\nG"
out = blacktex.clean(input_string)
assert out == "\\begin{table}[h!]\nG"
input_string = "\\begin{table} \n [h!]G"
out = blacktex.clean(input_string)
assert out == "\\begin{table}[h!]\nG"
input_string = "\\begin{table} \n [h!]\\label{foo}"
out = blacktex.clean(input_string)
assert out == "\\begin{table}[h!]\\label{foo}"
input_string = "\\begin{table} \n [h!]\\label{foo}\nG"
out = blacktex.clean(input_string)
assert out == "\\begin{table}[h!]\\label{foo}\nG"
def test_obsolete_text_mod():
input_string = "lorem {\\it ipsum dolor} sit amet"
out = blacktex.clean(input_string)
assert out == "lorem \\textit{ipsum dolor} sit amet"
def test_trailing_whitespace():
input_string = "lorem \n sit amet"
out = blacktex.clean(input_string)
assert out == "lorem\n sit amet"
def test_over_frac_warn():
input_string = "Some $2\\over 3^{4+x}$."
with pytest.warns(UserWarning):
out = blacktex.clean(input_string)
assert out == "Some $2\\over 3^{4+x}$."
def test_comment_last():
input_string = "somemacro{%\n" "foobar% \n" "}"
out = blacktex.clean(input_string)
ref = "somemacro{%\nfoobar%\n}"
assert out == ref, f"{repr(out)} != {repr(ref)}"
def test_multiple_comment_lines():
input_string = "A\n%\n%\nB"
out = blacktex.clean(input_string)
assert out == "A\nB"
def test_text_mods():
input_string = "{\\em it's me!}"
out = blacktex.clean(input_string)
assert out == "\\emph{it's me!}"
def test_multiple_newlines():
input_string = "lorem \n\n\n\n\n\n ipsum dolor sit amet"
out = blacktex.clean(input_string)
assert out == "lorem\n\n\n ipsum dolor sit amet"
def test_tabular_column_spec():
input_string = "\\begin{tabular} \n {ccc}\ncontent"
out = blacktex.clean(input_string)
assert out == "\\begin{tabular}{ccc}\ncontent"
def test_linebreak_after_double_backslash():
input_string = "Some $2\\\\3 4\\\\\n6\\\\[2mm]7$."
out = blacktex.clean(input_string)
assert out == "Some $2\\\\\n3 4\\\\\n6\\\\\n[2mm]7$."
def test_nbsp_space():
input_string = "Some ~thing."
out = blacktex.clean(input_string)
assert out == "Some thing."
def test_keywords_without_backslash():
input_string = "maximum and logarithm $max_x log(x)$"
out = blacktex.clean(input_string)
assert out == "maximum and logarithm $\\max_x \\log(x)$"
def test_eqnarray_align():
input_string = "A\\begin{eqnarray*}a+b\\end{eqnarray*}F"
out = blacktex.clean(input_string)
assert out == "A\n\\begin{align*}\na+b\n\\end{align*}\nF"
def test_centerline():
input_string = "\\centerline{foobar}"
out = blacktex.clean(input_string)
assert out == "{\\centering foobar}"
def test_curly_around_round_with_exponent():
input_string = "$(a+b)^n \\left(a+b\\right)^{n+1}$"
out = blacktex.clean(input_string)
assert out == "${(a+b)}^n {\\left(a+b\\right)}^{n+1}$"
def test_over_frac():
input_string = "Some ${2\\over 3^{4+x}}$ equation ${\\pi \\over4}$."
out = blacktex.clean(input_string)
assert out == "Some $\\frac{2}{3^{4+x}}$ equation $\\frac{\\pi}{4}$."
def test_spaces_with_brackets():
input_string = "( 1+2 ) { 3+4 } \\left( 5+6 \\right)"
out = blacktex.clean(input_string)
assert out == "(1+2) {3+4} \\left(5+6\\right)"
def test_overline_warn():
input_string = "\\overline"
out = blacktex.clean(input_string)
assert out == "\\overline"
def test_dollar_dollar():
input_string = "a $$a + b = c$$ b"
out = blacktex.clean(input_string)
assert out == "a\n\\[\na + b = c\n\\]\nb"
def test_def_newcommand():
input_string = "\\def\\e{\\text{r}}"
out = blacktex.clean(input_string)
assert out == "\\newcommand{\\e}{\\text{r}}"
