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rgb.test.js
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const postcss = require('postcss');
const { assert } = require('chai');
const plugin = require('../index');
/* eslint-disable prefer-arrow-callback, func-names */
describe('postcss-color-converter for rgb colors', function () {
function transform (source, opts) {
return postcss([plugin(opts)]).process(source).css;
}
it('Input color should not be converted', function () {
assert.equal(transform(
'body { color: rgb(255, 255, 255); }',
{ outputColorFormat: 'rgb' },
), 'body { color: rgb(255, 255, 255); }');
assert.equal(transform(
'body { color: rgb($red, 50, 10); }',
{ outputColorFormat: 'hex' },
), 'body { color: rgb($red, 50, 10); }');
assert.equal(transform(
'body { color: rgb(100, 50, calc(40 + 20)); }',
{ outputColorFormat: 'rgb' },
), 'body { color: rgb(100, 50, calc(40 + 20)); }');
assert.equal(transform(
'body { color: rgba(100, 50, 56, var(--alpha)); }',
{ outputColorFormat: 'rgb' },
), 'body { color: rgba(100, 50, 56, var(--alpha)); }');
assert.equal(transform(
'body { color: rgba(100, $green, 56, 0.6); }',
{ outputColorFormat: 'rgb' },
), 'body { color: rgba(100, $green, 56, 0.6); }');
assert.equal(transform(
'body { color: rgb(255 255 $red / 0.5); }',
{ outputColorFormat: 'rgb' },
), 'body { color: rgb(255 255 $red / 0.5); }');
assert.equal(transform(
'body { color: rgb(255 255 255); }',
{ outputColorFormat: 'rgb' },
), 'body { color: rgb(255 255 255); }');
assert.equal(transform(
'body { color: rgb(255 255 255 / 1); }',
{ outputColorFormat: 'rgb' },
), 'body { color: rgb(255 255 255 / 1); }');
assert.equal(transform(
'body { color: rgba(255, 255, 255, 1); }',
{ outputColorFormat: 'rgb' },
), 'body { color: rgba(255, 255, 255, 1); }');
assert.equal(transform(
'body { color: rgb(255 255 255 / 1); }',
{ outputColorFormat: 'rgb', alwaysAlpha: true },
), 'body { color: rgb(255 255 255 / 1); }');
assert.equal(transform(
'body { color: rgb(100 50 56 / var(--alpha)); }',
{ outputColorFormat: 'rgb', alwaysAlpha: true },
), 'body { color: rgb(100 50 56 / var(--alpha)); }');
assert.equal(transform(
'body { color: rgb(100 50 56 / var(--alpha)); }',
{ outputColorFormat: 'rgb' },
), 'body { color: rgb(100 50 56 / var(--alpha)); }');
assert.equal(transform(
'body { color: rgb(100 50 56 / var(--alpha)); }',
{ outputColorFormat: 'rgb', alwaysAlpha: true },
), 'body { color: rgb(100 50 56 / var(--alpha)); }');
});
it('Input color must be converted to rgba', function () {
assert.equal(transform(
'body { color: rgb(255, 255, 255); }',
{ outputColorFormat: 'rgb', alwaysAlpha: true },
), 'body { color: rgba(255, 255, 255, 1); }');
});
it('Input color must be converted to hex', function () {
assert.equal(transform(
'body { color: rgb(255, 255, 255); }',
{ outputColorFormat: 'hex' },
), 'body { color: #ffffff; }');
assert.equal(transform(
'body { color: rgba(255, 255, 255, 1); }',
{ outputColorFormat: 'hex' },
), 'body { color: #ffffff; }');
assert.equal(transform(
'body { color: rgba(255, 255, 255, 1); }',
{ outputColorFormat: 'hex', alwaysAlpha: true },
), 'body { color: #ffffff; }');
assert.equal(transform(
'body { --red: rgb(255, 0, 0); }',
{ outputColorFormat: 'hex' },
), 'body { --red: #ff0000; }');
assert.equal(transform(
'body { $green: rgb(0, 255, 0); }',
{ outputColorFormat: 'hex' },
), 'body { $green: #00ff00; }');
assert.equal(transform(
'body { color: rgba(255, 255, 255, 1); }',
{ outputColorFormat: 'hex' },
), 'body { color: #ffffff; }');
assert.equal(transform(
'body { color: rgb(255, 255, 255); }',
{ outputColorFormat: 'hex', alwaysAlpha: true },
), 'body { color: #ffffff; }');
});
it('Input color must be converted to hexa', function () {
assert.equal(transform(
'body { color: rgba(255, 255, 255, 0.5); }',
{ outputColorFormat: 'hex' },
), 'body { color: #ffffff80; }');
assert.equal(transform(
'body { color: rgba(255, 255, 255, .5); }',
{ outputColorFormat: 'hex' },
), 'body { color: #ffffff80; }');
assert.equal(transform(
'body { color: rgba(255, 255, 255, 0.5); }',
{ outputColorFormat: 'hex', alwaysAlpha: true },
), 'body { color: #ffffff80; }');
assert.equal(transform(
'body { color: rgba(255, 255, 255, 0); }',
{ outputColorFormat: 'hex', alwaysAlpha: true },
), 'body { color: #ffffff00; }');
assert.equal(transform(
'body { color: rgba(255, 255, 255, 0); }',
{ outputColorFormat: 'hex' },
), 'body { color: #ffffff00; }');
});
it('Input color must be converted to hsl', function () {
assert.equal(transform(
'body { color: rgb(255, 255, 255); }',
{ outputColorFormat: 'hsl' },
), 'body { color: hsl(0, 0%, 100%); }');
assert.equal(transform(
'body { color: rgb(253, 254, 255); }',
{ outputColorFormat: 'hsl' },
), 'body { color: hsl(210, 100%, 100%); }');
});
it('Input color must be converted to hsla', function () {
assert.equal(transform(
'body { color: rgba(255, 255, 255, 0.5); }',
{ outputColorFormat: 'hsl' },
), 'body { color: hsla(0, 0%, 100%, 0.5); }');
assert.equal(transform(
'body { color: rgba(255, 255, 255, 0.5); }',
{ outputColorFormat: 'hsl', alwaysAlpha: true },
), 'body { color: hsla(0, 0%, 100%, 0.5); }');
assert.equal(transform(
'body { color: rgb(255, 255, 255); }',
{ outputColorFormat: 'hsl', alwaysAlpha: true },
), 'body { color: hsla(0, 0%, 100%, 1); }');
});
it('Input color with modern color function notation must be converted to hsl', function () {
assert.equal(transform(
'body { background-color: rgb(255 255 255 / 0); }',
{ outputColorFormat: 'hsl' },
), 'body { background-color: hsl(0 0% 100% / 0); }');
assert.equal(transform(
'body { background-color: rgb(255 255 255); }',
{ outputColorFormat: 'hsl', alwaysAlpha: true },
), 'body { background-color: hsl(0 0% 100% / 1); }');
assert.equal(transform(
'body { background-color: rgb(255 255 255 / 1); }',
{ outputColorFormat: 'hsl' },
), 'body { background-color: hsl(0 0% 100% / 1); }');
assert.equal(transform(
'body { background-color: rgb(255 255 255 / 1); }',
{ outputColorFormat: 'hsl', alwaysAlpha: true },
), 'body { background-color: hsl(0 0% 100% / 1); }');
});
it('Input color with modern color function notation must be converted to rgb', function () {
assert.equal(transform(
'body { background-color: rgb(255 255 255); }',
{ outputColorFormat: 'rgb', alwaysAlpha: true },
), 'body { background-color: rgb(255 255 255 / 1); }');
});
it('Input color with modern color function notation must be converted to hex(a)', function () {
assert.equal(transform(
'body { background-color: rgb(255 255 255); }',
{ outputColorFormat: 'hex' },
), 'body { background-color: #ffffff; }');
assert.equal(transform(
'body { background-color: rgb(255 255 255 / 1); }',
{ outputColorFormat: 'hex' },
), 'body { background-color: #ffffff; }');
assert.equal(transform(
'body { background-color: rgb(255 255 255 / 1); }',
{ outputColorFormat: 'hex', alwaysAlpha: true },
), 'body { background-color: #ffffff; }');
assert.equal(transform(
'body { background-color: rgb(255 255 255 / 0.5); }',
{ outputColorFormat: 'hex' },
), 'body { background-color: #ffffff80; }');
assert.equal(transform(
'body { background-color: rgb(255 255 255 / 0.5); }',
{ outputColorFormat: 'hex', alwaysAlpha: true },
), 'body { background-color: #ffffff80; }');
assert.equal(transform(
'body { background-color: rgb(255 255 255 / 0); }',
{ outputColorFormat: 'hex' },
), 'body { background-color: #ffffff00; }');
});
it('All input colors must be correct converted to rgb(a)', function () {
assert.equal(transform(
`ul {
background: linear-gradient(
to bottom,
#cd56ab 10%,
#cd56ab80 20%,
rgb(68, 187, 221) 30%,
rgba(68, 188, 221, 0.5) 40%,
hsl(56, 69%, 57%) 50%,
hsla(56, 69%, 57%, 0.5) 60%,
rgb(255 255 255) 70%,
green 100%,
);
}`,
{ outputColorFormat: 'rgb' },
), `ul {
background: linear-gradient(
to bottom,
rgb(205, 86, 171) 10%,
rgba(205, 86, 171, 0.5) 20%,
rgb(68, 187, 221) 30%,
rgba(68, 188, 221, 0.5) 40%,
rgb(221, 211, 70) 50%,
rgba(221, 211, 70, 0.5) 60%,
rgb(255 255 255) 70%,
rgb(0, 128, 0) 100%,
);
}`);
assert.equal(transform(
`ul {
background: linear-gradient(
to bottom,
#cd56ab 10%,
#cd56ab80 20%,
rgb(68, 187, 221) 30%,
rgba(68, 188, 221, 0.5) 40%,
hsl(56, 69%, 57%) 50%,
hsla(56, 69%, 57%, 0.5) 60%,
rgb(255 255 255) 70%,
green 100%,
);
}`,
{ outputColorFormat: 'rgb', alwaysAlpha: true },
), `ul {
background: linear-gradient(
to bottom,
rgba(205, 86, 171, 1) 10%,
rgba(205, 86, 171, 0.5) 20%,
rgba(68, 187, 221, 1) 30%,
rgba(68, 188, 221, 0.5) 40%,
rgba(221, 211, 70, 1) 50%,
rgba(221, 211, 70, 0.5) 60%,
rgb(255 255 255 / 1) 70%,
rgba(0, 128, 0, 1) 100%,
);
}`);
});
});