rsass 0.29.2

Sass implementation in pure rust (not complete yet)
Documentation 
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

//! Tests auto-converted from "sass-spec/spec/values/calculation/sqrt.hrx"

fn runner() -> crate::TestRunner {
    super::runner().with_cwd("sqrt")
}

#[test]
fn case_insensitive() {
    assert_eq!(
        runner().ok("a {b: sQrT(2)}\n"),
        "a {\
         \n  b: 1.4142135624;\
         \n}\n"
    );
}
mod error {
    use super::runner;

    #[test]
    #[ignore] // missing error
    fn sass_script() {
        assert_eq!(
            runner().err("a {b: sqrt(7 % 3)}\n"),
            "Error: This operation can\'t be used in a calculation.\
         \n  ,\
         \n1 | a {b: sqrt(7 % 3)}\
         \n  |              ^\
         \n  \'\
         \n  input.scss 1:14  root stylesheet",
        );
    }
    mod syntax {
        use super::runner;

        #[test]
        #[ignore] // wrong error
        fn invalid_arg() {
            assert_eq!(
                runner().err("a {b: sqrt($)}\n"),
                "Error: Expected identifier.\
         \n  ,\
         \n1 | a {b: sqrt($)}\
         \n  |             ^\
         \n  \'\
         \n  input.scss 1:13  root stylesheet",
            );
        }
        #[test]
        fn too_few_args() {
            assert_eq!(
                runner().err("a {b: sqrt()}\n"),
                "Error: Missing argument.\
         \n  ,\
         \n1 | a {b: sqrt()}\
         \n  |       ^^^^^^\
         \n  \'\
         \n  input.scss 1:7  root stylesheet",
            );
        }
    }
    #[test]
    fn too_many_args() {
        assert_eq!(
            runner().err("a {b: sqrt(3, 4)}\n"),
            "Error: Only 1 argument allowed, but 2 were passed.\
         \n  ,\
         \n1 | a {b: sqrt(3, 4)}\
         \n  |       ^^^^^^^^^^\
         \n  \'\
         \n  input.scss 1:7  root stylesheet",
        );
    }
    #[test]
    #[ignore] // wrong error
    fn test_type() {
        assert_eq!(
            runner().err("a {b: sqrt(\"0\")}\n"),
            "Error: This expression can\'t be used in a calculation.\
         \n  ,\
         \n1 | a {b: sqrt(\"0\")}\
         \n  |            ^^^\
         \n  \'\
         \n  input.scss 1:12  root stylesheet",
        );
    }
    mod units {
        use super::runner;

        #[test]
        fn real() {
            assert_eq!(
                runner().err("a {b: sqrt(16px)}\n"),
                "Error: Expected 16px to have no units.\
         \n  ,\
         \n1 | a {b: sqrt(16px)}\
         \n  |       ^^^^^^^^^^\
         \n  \'\
         \n  input.scss 1:7  root stylesheet",
            );
        }
        #[test]
        fn unknown() {
            assert_eq!(
                runner().err("a {b: sqrt(1%)}\n"),
                "Error: Expected 1% to have no units.\
         \n  ,\
         \n1 | a {b: sqrt(1%)}\
         \n  |       ^^^^^^^^\
         \n  \'\
         \n  input.scss 1:7  root stylesheet",
            );
        }
    }
}
#[test]
fn negative() {
    assert_eq!(
        runner().ok("a {b: sqrt(-9)}\n"),
        "a {\
         \n  b: calc(NaN);\
         \n}\n"
    );
}
#[test]
fn overridden() {
    assert_eq!(
        runner().ok("@function sqrt($arg) {@return $arg}\
             \na {b: sqrt(2)}\n"),
        "a {\
         \n  b: 2;\
         \n}\n"
    );
}
#[test]
fn simplification() {
    assert_eq!(
        runner().ok("a {\
             \n  b: sqrt(1px + 2px - var(--c))\
             \n}\n"),
        "a {\
         \n  b: sqrt(3px - var(--c));\
         \n}\n"
    );
}
mod units {
    use super::runner;

    #[test]
    fn unitless() {
        assert_eq!(
            runner().ok("a {b: sqrt(2)}\n"),
            "a {\
         \n  b: 1.4142135624;\
         \n}\n"
        );
    }
}
#[test]
fn zero() {
    assert_eq!(
        runner().ok("a {b: sqrt(0)}\n"),
        "a {\
         \n  b: 0;\
         \n}\n"
    );
}