sass-extras/test.js at main · sindresorhus/sass-extras · GitHub

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
import test from 'ava';
import * as sass from 'sass';

const render = data => {
	const result = sass.compileString(`@use './index' as *;\n${data}`, {
		style: 'expanded',
		loadPaths: ['.'],
	});
	return result.css;
};

const snapshot = (t, data) => {
	t.snapshot(render(data));
};

const snapshotProperty = (t, data) => {
	snapshot(t, `a { ${data} }`);
};

const snapshotFunction = (t, data) => {
	snapshotProperty(t, `top: ${data}`);
};

const functionResultsAreEqual = (t, a, b) => {
	const css = render(`a { top: ${a} }`);
	const match = css.match(/top:\s*([^;]+);/);
	t.is(match ? match[1] : '', b);
};

test('strip-unit()', t => {
	snapshotFunction(t, 'strip-unit(1px)');
	snapshotFunction(t, 'strip-unit(1%)');
	snapshotFunction(t, 'strip-unit(1)');
});

test('number-invert()', t => {
	snapshotFunction(t, 'number-invert(1)');
	snapshotFunction(t, 'number-invert(-1)');
});

test('string-contains()', t => {
	snapshotFunction(t, 'string-contains(\'foo bar baz\', $substring: \'bar\')');
	snapshotFunction(t, 'string-contains(\'foo bar baz\', $substring: \'non-existent\')');
});

test('string-starts-with()', t => {
	snapshotFunction(t, 'string-starts-with(\'foo bar\', $substring: \'foo\')');
	snapshotFunction(t, 'string-starts-with(\'foo bar\', $substring: \'non-existent\')');
});

test('string-ends-with()', t => {
	snapshotFunction(t, 'string-ends-with(\'foo bar\', $substring: \'bar\')');
	snapshotFunction(t, 'string-ends-with(\'foo bar\', $substring: \'non-existent\')');
});

test('string-replace()', t => {
	snapshotFunction(t, 'string-replace(\'foo bar baz\', $search: \'bar\', $replacement: \'unicorn\')');
	snapshotFunction(t, 'string-replace(\'foo bar baz\', $search: \'non-existent\', $replacement: \'unicorn\')');
});

test('list-first()', t => {
	functionResultsAreEqual(t, 'list-first((1, 2, 3))', '1');
	functionResultsAreEqual(t, 'list-first((3))', '3');
});

test('list-last()', t => {
	functionResultsAreEqual(t, 'list-last((1, 2, 3))', '3');
	functionResultsAreEqual(t, 'list-last((1))', '1');
});

test('seed-random-integer()', t => {
	functionResultsAreEqual(t, 'seed-random-integer(5)', '84035');
	functionResultsAreEqual(t, 'seed-random-integer(100)', '1680700');
});

test('seed-random-float()', t => {
	functionResultsAreEqual(t, 'seed-random-float(5)', '0.0000391314');
	functionResultsAreEqual(t, 'seed-random-float(100)', '0.0007826365');
});

test('seed-random-boolean()', t => {
	functionResultsAreEqual(t, 'seed-random-boolean(5)', 'false');
	functionResultsAreEqual(t, 'seed-random-boolean(100)', 'true');
});

test('random-color()', t => {
	t.regex(render('a { width: random-color() }'), /a\s*{\s*width:\s*(#[a-f\d]+|hsl\([^)]+\));?\s*}/i);
	t.regex(render('a { width: random-color($saturation: 0.8, $lightness: 0.3) }'), /a\s*{\s*width:\s*(#[a-f\d]+|hsl\([^)]+\));?\s*}/i);

	// Test seeded random color - should produce consistent results
	const seeded1 = render('a { width: random-color($seed: 42) }');
	const seeded2 = render('a { width: random-color($seed: 42) }');
	t.is(seeded1, seeded2);
	t.regex(seeded1, /a\s*{\s*width:\s*(#[a-f\d]+|hsl\([^)]+\));?\s*}/i);

	// Different seeds should produce different colors
	const seeded3 = render('a { width: random-color($seed: 123) }');
	t.not(seeded1, seeded3);
});

test('url-encode()', t => {
	snapshotFunction(t, 'url-encode(\'#foo@bar\')');
});

test('tint()', t => {
	snapshotFunction(t, 'tint(pink, 10%)');
});

test('shade()', t => {
	snapshotFunction(t, 'shade(pink, 10%)');
});

test('black()', t => {
	snapshotFunction(t, 'black(10%)');
});

test('white()', t => {
	snapshotFunction(t, 'white(10%)');
});

test('svg-url()', t => {
	snapshotFunction(t, 'svg-url(\'<svg width="8" height="13"><defs><path d="M6.828 5.368c-"/></defs></svg>\')');
});

test('background-svg()', t => {
	snapshotProperty(t, '@include background-svg(\'<svg width="8" height="13"><defs><path d="M6.828 5.368c-"/></defs></svg>\')');
});

test('context()', t => {
	snapshotProperty(t, `
		.foo {
			.unicorn {
				@include context($changed: '.foo', $to: '.bar') {
					color: blue;
				}
			}
		}
	`);
});