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3eedfa7 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 | import pytest
from manim.utils.tex import TexTemplate, _texcode_for_environment
DEFAULT_BODY = r"""\documentclass[preview]{standalone}
\usepackage[english]{babel}
\usepackage{amsmath}
\usepackage{amssymb}
\begin{document}
YourTextHere
\end{document}"""
BODY_WITH_ADDED_PREAMBLE = r"""\documentclass[preview]{standalone}
\usepackage[english]{babel}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{testpackage}
\begin{document}
YourTextHere
\end{document}"""
BODY_WITH_PREPENDED_PREAMBLE = r"""\documentclass[preview]{standalone}
\usepackage{testpackage}
\usepackage[english]{babel}
\usepackage{amsmath}
\usepackage{amssymb}
\begin{document}
YourTextHere
\end{document}"""
BODY_WITH_ADDED_DOCUMENT = r"""\documentclass[preview]{standalone}
\usepackage[english]{babel}
\usepackage{amsmath}
\usepackage{amssymb}
\begin{document}
\boldmath
YourTextHere
\end{document}"""
BODY_REPLACE = r"""\documentclass[preview]{standalone}
\usepackage[english]{babel}
\usepackage{amsmath}
\usepackage{amssymb}
\begin{document}
\sqrt{2}
\end{document}"""
BODY_REPLACE_IN_ENV = r"""\documentclass[preview]{standalone}
\usepackage[english]{babel}
\usepackage{amsmath}
\usepackage{amssymb}
\begin{document}
\begin{align}
\sqrt{2}
\end{align}
\end{document}"""
def test_tex_template_default_body():
template = TexTemplate()
assert template.body == DEFAULT_BODY
def test_tex_template_preamble():
template = TexTemplate()
template.add_to_preamble(r"\usepackage{testpackage}")
assert template.body == BODY_WITH_ADDED_PREAMBLE
def test_tex_template_preprend_preamble():
template = TexTemplate()
template.add_to_preamble(r"\usepackage{testpackage}", prepend=True)
assert template.body == BODY_WITH_PREPENDED_PREAMBLE
def test_tex_template_document():
template = TexTemplate()
template.add_to_document(r"\boldmath")
assert template.body == BODY_WITH_ADDED_DOCUMENT
def test_tex_template_texcode_for_expression():
template = TexTemplate()
assert template.get_texcode_for_expression(r"\sqrt{2}") == BODY_REPLACE
def test_tex_template_texcode_for_expression_in_env():
template = TexTemplate()
assert (
template.get_texcode_for_expression_in_env(r"\sqrt{2}", environment="align")
== BODY_REPLACE_IN_ENV
)
def test_tex_template_fixed_body():
template = TexTemplate()
# Usually set when calling `from_file`
template.body = "dummy"
assert template.body == "dummy"
with pytest.warns(
UserWarning,
match="This TeX template was created with a fixed body, trying to add text the preamble will have no effect.",
):
template.add_to_preamble("dummys")
with pytest.warns(
UserWarning,
match="This TeX template was created with a fixed body, trying to add text the document will have no effect.",
):
template.add_to_document("dummy")
def test_texcode_for_environment():
"""Test that the environment is correctly extracted from the input"""
# environment without arguments
assert _texcode_for_environment("align*") == (r"\begin{align*}", r"\end{align*}")
assert _texcode_for_environment("{align*}") == (r"\begin{align*}", r"\end{align*}")
assert _texcode_for_environment(r"\begin{align*}") == (
r"\begin{align*}",
r"\end{align*}",
)
# environment with arguments
assert _texcode_for_environment("{tabular}[t]{cccl}") == (
r"\begin{tabular}[t]{cccl}",
r"\end{tabular}",
)
assert _texcode_for_environment("tabular}{cccl") == (
r"\begin{tabular}{cccl}",
r"\end{tabular}",
)
assert _texcode_for_environment(r"\begin{tabular}[t]{cccl}") == (
r"\begin{tabular}[t]{cccl}",
r"\end{tabular}",
)
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