SCSS testing of the utilities API (#36029)

* Set up CSS testing using sass-true and mocha

Use mocha to handle the heavy lifting of finding tests and running them.
Mocha is made to look directly for SCSS files which are compiled
thanks to Node's require.extensions mechanism.

* Add CSS tests to workflow

* Add tests for the generate-utility mixin

* Add tests for utilities generation

* Fix linting issues

* Fix test contents

Don't know why the whole utilities.test.scss ended up copied in the api.test.scss

* Remove unnecessary entry in package.json

* Move to Jasmine for running the tests

* Move running of CSS tests before CSS build

* Update linting set up

Add exceptions for test files in stylelint

* Remove irrelevant option for sass-true

* Fix linting issues after rebase

* Add color mode tests

* Fix linter

Co-authored-by: Mark Otto <markdotto@gmail.com>
This commit is contained in:
Romaric Pascal 2022-12-24 23:29:20 +01:00 committed by GitHub
parent cf9454caa0
commit 33ccbc23e3
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11 changed files with 2633 additions and 1791 deletions

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@ -33,5 +33,8 @@ jobs:
- name: Install npm dependencies
run: npm ci
- name: Run CSS tests
run: npm run css-test
- name: Build CSS
run: npm run css

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@ -27,5 +27,14 @@
}
],
"scss/selector-no-union-class-name": true
}
},
"overrides": [
{
"files": "scss/**/*.{test,spec}.scss",
"rules": {
"scss/dollar-variable-default": null,
"declaration-no-important": null
}
}
]
}

3825
package-lock.json generated

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@ -54,6 +54,7 @@
"css-prefix-main": "postcss --config build/postcss.config.js --replace \"dist/css/*.css\" \"!dist/css/*.rtl*.css\" \"!dist/css/*.min.css\"",
"css-prefix-examples": "postcss --config build/postcss.config.js --replace \"site/content/**/*.css\"",
"css-prefix-examples-rtl": "cross-env-shell NODE_ENV=RTL postcss --config build/postcss.config.js --dir \"site/content/docs/$npm_package_config_version_short/examples/\" --ext \".rtl.css\" --base \"site/content/docs/$npm_package_config_version_short/examples/\" \"site/content/docs/$npm_package_config_version_short/examples/{blog,carousel,dashboard,cheatsheet}/*.css\" \"!site/content/docs/$npm_package_config_version_short/examples/{blog,carousel,dashboard,cheatsheet}/*.rtl.css\"",
"css-test": "jasmine --config=scss/tests/jasmine.js",
"js": "npm-run-all js-compile js-minify",
"js-compile": "npm-run-all --aggregate-output --parallel js-compile-*",
"js-compile-standalone": "rollup --environment BUNDLE:false --config build/rollup.config.js --sourcemap",
@ -94,6 +95,7 @@
"watch-css-main": "nodemon --watch scss/ --ext scss --exec \"npm-run-all css-lint css-compile css-prefix\"",
"watch-css-dist": "nodemon --watch dist/css/ --ext css --ignore \"dist/css/*.rtl.*\" --exec \"npm run css-rtl\"",
"watch-css-docs": "nodemon --watch site/assets/scss/ --ext scss --exec \"npm run css-lint\"",
"watch-css-test": "nodemon --watch scss/ --ext scss,js --exec \"npm run css-test\"",
"watch-js-main": "nodemon --watch js/src/ --ext js --exec \"npm-run-all js-lint js-compile\"",
"watch-js-docs": "nodemon --watch site/assets/js/ --ext js --exec \"npm run js-lint\""
},
@ -124,6 +126,7 @@
"hammer-simulator": "0.0.1",
"hugo-bin": "^0.96.0",
"ip": "^2.0.0",
"jasmine": "^4.0.2",
"jquery": "^3.6.2",
"karma": "^6.4.1",
"karma-browserstack-launcher": "1.4.0",
@ -143,6 +146,7 @@
"rollup-plugin-istanbul": "^4.0.0",
"rtlcss": "^4.0.0",
"sass": "^1.57.1",
"sass-true": "^6.1.0",
"shelljs": "^0.8.5",
"stylelint": "^14.16.0",
"stylelint-config-twbs-bootstrap": "^7.0.0",

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@ -1,6 +1,6 @@
// Utility generator
// Used to generate utilities & print utilities
@mixin generate-utility($utility, $infix, $is-rfs-media-query: false) {
@mixin generate-utility($utility, $infix: "", $is-rfs-media-query: false) {
$values: map-get($utility, values);
// If the values are a list or string, convert it into a map

17
scss/tests/jasmine.js Normal file
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@ -0,0 +1,17 @@
/* eslint-env node */
const path = require('node:path')
module.exports = {
spec_dir: 'scss' /* eslint-disable-line camelcase */,
// Make Mocha look for `.test.scss` files
spec_files: ['**/*.{test,spec}.scss'] /* eslint-disable-line camelcase */,
// Compile them into JS scripts running `sass-true`
requires: [path.join(__dirname, 'sass-true/register')],
// Ensure we use `require` so that the require.extensions works
// as `import` completely bypasses it
jsLoader: 'require'
}

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@ -0,0 +1,69 @@
// stylelint-disable selector-attribute-quotes
@import "../../functions";
@import "../../variables";
@import "../../variables-dark";
@import "../../maps";
@import "../../mixins";
@include describe("global $color-mode-type: data") {
@include it("generates data attribute selectors for dark mode") {
@include assert() {
@include output() {
@include color-mode(dark) {
.element {
color: var(--bs-primary-text);
background-color: var(--bs-primary-bg-subtle);
}
}
@include color-mode(dark, true) {
--custom-color: #{mix($indigo, $blue, 50%)};
}
}
@include expect() {
[data-bs-theme=dark] .element {
color: var(--bs-primary-text);
background-color: var(--bs-primary-bg-subtle);
}
[data-bs-theme=dark] {
--custom-color: #3a3ff8;
}
}
}
}
}
@include describe("global $color-mode-type: media-query") {
@include it("generates media queries for dark mode") {
$color-mode-type: media-query !global;
@include assert() {
@include output() {
@include color-mode(dark) {
.element {
color: var(--bs-primary-text);
background-color: var(--bs-primary-bg-subtle);
}
}
@include color-mode(dark, true) {
--custom-color: #{mix($indigo, $blue, 50%)};
}
}
@include expect() {
@media (prefers-color-scheme: dark) {
.element {
color: var(--bs-primary-text);
background-color: var(--bs-primary-bg-subtle);
}
}
@media (prefers-color-scheme: dark) {
:root {
--custom-color: #3a3ff8;
}
}
}
}
$color-mode-type: data !global;
}
}

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@ -0,0 +1,393 @@
$prefix: bs-;
$enable-important-utilities: false;
// Important: Do not import rfs to check that the mixin just calls the appropriate functions from it
@import "../../mixins/utilities";
@mixin test-generate-utility($params...) {
@include assert() {
@include output() {
@include generate-utility($params...);
}
@include expect() {
@content;
}
}
}
@include describe(generate-utility) {
@include it("generates a utility class for each value") {
@include test-generate-utility(
(
property: "padding",
values: (small: .5rem, large: 2rem)
)
) {
.padding-small {
padding: .5rem;
}
.padding-large {
padding: 2rem;
}
}
}
@include describe("global $enable-important-utilities: true") {
@include it("sets !important") {
$enable-important-utilities: true !global;
@include test-generate-utility(
(
property: "padding",
values: (small: .5rem, large: 2rem)
)
) {
.padding-small {
padding: .5rem !important;
}
.padding-large {
padding: 2rem !important;
}
}
$enable-important-utilities: false !global;
}
}
@include describe("$utility") {
@include describe("values") {
@include it("supports null keys") {
@include test-generate-utility(
(
property: "padding",
values: (null: 1rem, small: .5rem, large: 2rem)
),
) {
.padding {
padding: 1rem;
}
.padding-small {
padding: .5rem;
}
.padding-large {
padding: 2rem;
}
}
}
@include it("ignores null values") {
@include test-generate-utility(
(
property: "padding",
values: (small: null, large: 2rem)
)
) {
.padding-large {
padding: 2rem;
}
}
}
@include it("supports lists") {
@include test-generate-utility(
(
property: "padding",
values: 1rem 2rem
)
) {
.padding-1rem {
padding: 1rem;
}
.padding-2rem {
padding: 2rem;
}
}
}
@include it("supports single values") {
@include test-generate-utility(
(
property: padding,
values: 1rem
)
) {
.padding-1rem {
padding: 1rem;
}
}
}
}
@include describe("class & property") {
@include it("adds each property to the declaration") {
@include test-generate-utility(
(
class: padding-x,
property: padding-inline-start padding-inline-end,
values: 1rem
)
) {
.padding-x-1rem {
padding-inline-start: 1rem;
padding-inline-end: 1rem;
}
}
}
@include it("uses the first property as class name") {
@include test-generate-utility(
(
property: padding-inline-start padding-inline-end,
values: 1rem
)
) {
.padding-inline-start-1rem {
padding-inline-start: 1rem;
padding-inline-end: 1rem;
}
}
}
@include it("supports a null class to create classes straight from the values") {
@include test-generate-utility(
(
property: visibility,
class: null,
values: (
visible: visible,
invisible: hidden,
)
)
) {
.visible {
visibility: visible;
}
.invisible {
visibility: hidden;
}
}
}
}
@include describe("state") {
@include it("Generates selectors for each states") {
@include test-generate-utility(
(
property: padding,
values: 1rem,
state: hover focus,
)
) {
.padding-1rem {
padding: 1rem;
}
.padding-1rem-hover:hover {
padding: 1rem;
}
.padding-1rem-focus:focus {
padding: 1rem;
}
}
}
}
@include describe("css-var"){
@include it("sets a CSS variable instead of the property") {
@include test-generate-utility(
(
property: padding,
css-variable-name: padding,
css-var: true,
values: 1rem 2rem
)
) {
.padding-1rem {
--bs-padding: 1rem;
}
.padding-2rem {
--bs-padding: 2rem;
}
}
}
@include it("defaults to class") {
@include test-generate-utility(
(
property: padding,
class: padding,
css-var: true,
values: 1rem 2rem
)
) {
.padding-1rem {
--bs-padding: 1rem;
}
.padding-2rem {
--bs-padding: 2rem;
}
}
}
}
@include describe("local-vars") {
@include it("generates the listed variables") {
@include test-generate-utility(
(
property: color,
class: desaturated-color,
local-vars: (
color-opacity: 1,
color-saturation: .25
),
values: (
blue: hsla(192deg, var(--bs-color-saturation), 0, var(--bs-color-opacity))
)
)
) {
.desaturated-color-blue {
--bs-color-opacity: 1;
// Sass compilation will put a leading zero so we want to keep that one
// stylelint-disable-next-line number-leading-zero
--bs-color-saturation: 0.25;
color: hsla(192deg, var(--bs-color-saturation), 0, var(--bs-color-opacity));
}
}
}
}
@include describe("css-var & state") {
@include it("Generates a rule with for each state with a CSS variable") {
@include test-generate-utility(
(
property: padding,
css-var: true,
css-variable-name: padding,
values: 1rem,
state: hover focus,
)
) {
.padding-1rem {
--bs-padding: 1rem;
}
.padding-1rem-hover:hover {
--bs-padding: 1rem;
}
.padding-1rem-focus:focus {
--bs-padding: 1rem;
}
}
}
}
@include describe("rtl") {
@include it("sets up RTLCSS for removal when false") {
@include test-generate-utility(
(
property: padding,
values: 1rem,
rtl: false
)
) {
/* rtl:begin:remove */
.padding-1rem {
padding: 1rem;
}
/* rtl:end:remove */
}
}
}
@include describe("rfs") {
@include it("sets the fluid value when not inside media query") {
@include test-generate-utility(
(
property: padding,
values: 1rem,
rfs: true
)
) {
.padding-1rem {
padding: rfs-fluid-value(1rem);
}
}
}
@include it("sets the value when inside the media query") {
@include test-generate-utility(
(
property: padding,
values: 1rem,
rfs: true
),
$is-rfs-media-query: true
) {
.padding-1rem {
padding: rfs-value(1rem);
}
}
}
}
}
@include describe("$infix") {
@include it("inserts the given infix") {
@include test-generate-utility(
(
property: "padding",
values: (null: 1rem, small: .5rem, large: 2rem)
),
$infix: -sm
) {
.padding-sm {
padding: 1rem;
}
.padding-sm-small {
padding: .5rem;
}
.padding-sm-large {
padding: 2rem;
}
}
}
@include it("strips leading - if class is null") {
@include test-generate-utility(
(
property: visibility,
class: null,
values: (
visible: visible,
invisible: hidden,
)
),
-sm
) {
.sm-visible {
visibility: visible;
}
.sm-invisible {
visibility: hidden;
}
}
}
}
}

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@ -0,0 +1,10 @@
/* eslint-env node */
const runnerPath = require('node:path').join(__dirname, 'runner')
require.extensions['.scss'] = function (module, filename) {
return module._compile(`
const runner = require('${runnerPath}')
runner('${filename}',{describe, it})
`, filename)
}

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@ -0,0 +1,15 @@
/* eslint-env node */
const { runSass } = require('sass-true')
const fs = require('node:fs')
const path = require('node:path')
module.exports = function (filename, { describe, it }) {
const data = fs.readFileSync(filename, { encoding: 'utf8' })
const TRUE_SETUP = '$true-terminal-output: false; @import \'true\';'
runSass({
data: TRUE_SETUP + data,
includePaths: [path.dirname(filename)]
}, { describe, it })
}

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@ -0,0 +1,75 @@
@import "../../functions";
@import "../../variables";
@import "../../maps";
@import "../../mixins";
$utilities: ();
@include describe("utilities/api") {
@include it("generates utilities for each breakpoints") {
$utilities: (
margin: (
property: margin,
values: auto
),
padding: (
property: padding,
responsive: true,
values: 1rem
),
font-size: (
property: font-size,
values: (large: 1.25rem),
print: true
)
) !global;
$grid-breakpoints: (
xs: 0,
sm: 576px,
md: 768px
);
@include assert() {
@include output() {
@import "../../utilities/api";
}
@include expect() {
// margin is not set to responsive
.margin-auto {
margin: auto !important;
}
// padding is, though
.padding-1rem {
padding: 1rem !important;
}
.font-size-large {
font-size: 1.25rem !important;
}
@media (min-width: 576px) {
.padding-sm-1rem {
padding: 1rem !important;
}
}
@media (min-width: 768px) {
.padding-md-1rem {
padding: 1rem !important;
}
}
@media print {
.font-size-print-large {
font-size: 1.25rem !important;
}
}
}
}
}
}