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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
defmodule Acceptance.Ast.MathTest do
use ExUnit.Case, async: true
import Support.Helpers, only: [as_ast: 1, as_ast: 2, parse_html: 1]
test "ignored when :math is disabled" do
markdown = "foo $x = 1$ bar $$x = 1$$"
html = "<p>foo $x = 1$ bar $$x = 1$$</p>\n"
ast = parse_html(html)
messages = []
assert as_ast(markdown) == {:ok, ast, messages}
end
describe "math inline" do
test "base case" do
markdown = "foo $x = 1$"
html = "<p>foo <code class=\"math-inline\">x = 1</code></p>\n"
ast = parse_html(html)
messages = []
assert as_ast(markdown, math: true) == {:ok, ast, messages}
end
test "with surrounding characters" do
markdown = "foo$x = 1$bar"
html = "<p>foo<code class=\"math-inline\">x = 1</code>bar</p>\n"
ast = parse_html(html)
messages = []
assert as_ast(markdown, math: true) == {:ok, ast, messages}
end
test "ignored when where are spaces" do
markdown = "foo $ x = 1$ bar $x = 1 $ baz $ x = 1 $"
html = "<p>foo $ x = 1$ bar $x = 1 $ baz $ x = 1 $</p>\n"
ast = parse_html(html)
messages = []
assert as_ast(markdown, math: true) == {:ok, ast, messages}
end
test "accepts inner newline" do
markdown = "foo $x\ny$"
html = "<p>foo <code class=\"math-inline\">x\ny</code></p>\n"
ast = parse_html(html)
messages = []
assert as_ast(markdown, math: true) == {:ok, ast, messages}
end
test "ignored when the first dollar is escaped" do
markdown = "foo \\$x = 1$"
html = "<p>foo $x = 1$</p>\n"
ast = parse_html(html)
messages = []
assert as_ast(markdown, math: true) == {:ok, ast, messages}
end
test "keeps escaped inner dollar" do
markdown = "foo $x \\$ y$"
html = "<p>foo <code class=\"math-inline\">x \\$ y</code></p>\n"
ast = parse_html(html)
messages = []
assert as_ast(markdown, math: true) == {:ok, ast, messages}
end
test "keeps backslash" do
markdown = "foo $\\frac{1}{2}$"
html = "<p>foo <code class=\"math-inline\">\\frac{1}{2}</code></p>\n"
ast = parse_html(html)
messages = []
assert as_ast(markdown, math: true) == {:ok, ast, messages}
end
test "ignores inner markdown syntax" do
markdown = "foo $x *y* x$"
html = "<p>foo <code class=\"math-inline\">x *y* x</code></p>\n"
ast = parse_html(html)
messages = []
assert as_ast(markdown, math: true) == {:ok, ast, messages}
end
test "ignores empty content" do
markdown = "foo $$"
html = "<p>foo $$</p>\n"
ast = parse_html(html)
messages = []
assert as_ast(markdown, math: true) == {:ok, ast, messages}
end
test "inside list" do
markdown = "* $x = 1$"
html = "<ul><li><code class=\"math-inline\">x = 1</code></li></ul>\n"
ast = parse_html(html)
messages = []
assert as_ast(markdown, math: true) == {:ok, ast, messages}
end
end
describe "math display" do
test "base case" do
markdown = "foo $$x = 1$$"
html = "<p>foo <code class=\"math-display\">x = 1</code></p>\n"
ast = parse_html(html)
messages = []
assert as_ast(markdown, math: true) == {:ok, ast, messages}
end
test "with surrounding characters" do
markdown = "foo$$x = 1$$bar"
html = "<p>foo<code class=\"math-display\">x = 1</code>bar</p>\n"
ast = parse_html(html)
messages = []
assert as_ast(markdown, math: true) == {:ok, ast, messages}
end
test "accepts spaces on delimiter boundaries" do
markdown = "foo $$ x = 1 $$"
html = "<p>foo <code class=\"math-display\">x = 1</code></p>\n"
ast = parse_html(html)
messages = []
assert as_ast(markdown, math: true) == {:ok, ast, messages}
end
test "accepts inner newlines" do
markdown = "foo $$\nx\ny\n$$"
html = "<p>foo <code class=\"math-display\">x\ny</code></p>\n"
ast = parse_html(html)
messages = []
assert as_ast(markdown, math: true) == {:ok, ast, messages}
end
test "ignored when the first dollars are escaped" do
markdown = "foo \\$\\$x = 1$$"
html = "<p>foo $$x = 1$$</p>\n"
ast = parse_html(html)
messages = []
assert as_ast(markdown, math: true) == {:ok, ast, messages}
end
test "keeps escaped inner dollar" do
markdown = "foo $$x \\$ y$$"
html = "<p>foo <code class=\"math-display\">x \\$ y</code></p>\n"
ast = parse_html(html)
messages = []
assert as_ast(markdown, math: true) == {:ok, ast, messages}
end
test "keeps backslash" do
markdown = "foo $$\\frac{1}{2}$$"
html = "<p>foo <code class=\"math-display\">\\frac{1}{2}</code></p>\n"
ast = parse_html(html)
messages = []
assert as_ast(markdown, math: true) == {:ok, ast, messages}
end
test "ignores inner markdown syntax" do
markdown = "foo $$x *y* x$$"
html = "<p>foo <code class=\"math-display\">x *y* x</code></p>\n"
ast = parse_html(html)
messages = []
assert as_ast(markdown, math: true) == {:ok, ast, messages}
end
test "ignores empty content" do
markdown = "foo $$$$"
html = "<p>foo $$$$</p>\n"
ast = parse_html(html)
messages = []
assert as_ast(markdown, math: true) == {:ok, ast, messages}
end
test "inside list" do
markdown = "* $$x = 1$$"
html = "<ul><li><code class=\"math-display\">x = 1</code></li></ul>\n"
ast = parse_html(html)
messages = []
assert as_ast(markdown, math: true) == {:ok, ast, messages}
end
test "standalone paragraph" do
markdown = "$$\nx = 1\n$$"
html = "<p><code class=\"math-display\">x = 1</code></p>\n"
ast = parse_html(html)
messages = []
assert as_ast(markdown, math: true) == {:ok, ast, messages}
end
test "ignored when there is an empty line (separate paragraphs)" do
markdown = "$$x\n\ny$$"
html = "<p>$$x</p><p>y$$</p>\n"
ast = parse_html(html)
messages = []
assert as_ast(markdown, math: true) == {:ok, ast, messages}
end
end
end
# SPDX-License-Identifier: Apache-2.0
|
