mirror of https://github.com/thangisme/notes.git
140 lines
3.8 KiB
JavaScript
140 lines
3.8 KiB
JavaScript
var fs = require('fs')
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var test = require('tape')
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var postcss = require('postcss')
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var doiuse = require('../')
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var atImport = require('postcss-import')
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var hasKeys = require('./has-keys')
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test('leaves css alone by default', function (t) {
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var css, out
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css = fs.readFileSync(require.resolve('./cases/gradient.css')).toString()
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out = postcss(doiuse({
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browsers: [
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'ie >= 7',
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'safari >= 6',
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'opera >= 10.1'
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]
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})).process(css).css
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t.equal(out, css)
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t.end()
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})
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test('calls back for unsupported feature usages', function (t) {
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var count, css
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css = fs.readFileSync(require.resolve('./cases/gradient.css'))
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count = 0
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postcss(doiuse({
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browsers: ['ie 8'],
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onFeatureUsage: function (usageInfo) {
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count++
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hasKeys(t, usageInfo, ['feature', 'featureData', 'usage', 'message'])
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hasKeys(t, usageInfo.featureData, ['title', 'missing', 'missingData', 'caniuseData'])
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}
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}))
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.process(css).then(function () {
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t.equal(count, 4)
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t.end()
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})
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})
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test('ignores specified features and calls back for the others', function (t) {
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var count, css
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css = fs.readFileSync(require.resolve('./cases/gradient.css'))
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count = 0
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postcss(doiuse({
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browsers: ['ie 8'],
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ignore: [
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'css-gradients'
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],
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onFeatureUsage: function (usageInfo) {
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count++
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hasKeys(t, usageInfo, ['feature', 'featureData', 'usage', 'message'])
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hasKeys(t, usageInfo.featureData, ['title', 'missing', 'missingData', 'caniuseData'])
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}
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}))
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.process(css).then(function () {
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t.equal(count, 2)
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t.end()
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})
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})
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test('ignores specified files and calls back for others', function (t) {
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var run, ignoreCss, processCss, pcss
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ignoreCss = fs.readFileSync(require.resolve('./cases/ignore-file.css'))
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processCss = fs.readFileSync(require.resolve('./cases/gradient.css'))
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run = false
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pcss = function () {
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return postcss(doiuse({
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browsers: ['ie 6'],
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ignoreFiles: ['**/ignore-file.css'],
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onFeatureUsage: function (usageInfo) {
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run = true
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}
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}))
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}
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pcss().process(ignoreCss, {from: './cases/ignore-file.css'})
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.then(function () {
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t.false(run, 'should be false')
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})
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.then(function () {
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return pcss().process(processCss, {from: './cases/gradient.css'})
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})
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.then(function () {
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t.true(run, 'should be true')
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t.end()
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})
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})
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test('ignores rules from some imported files, and not others', function (t) {
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var count, css, cssPath
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cssPath = require.resolve('./cases/ignore-import.css')
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css = fs.readFileSync(cssPath)
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count = 0
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postcss([atImport(),
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doiuse({
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browsers: ['ie 6'],
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ignoreFiles: ['**/ignore-file.css'],
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onFeatureUsage: function (usageInfo) {
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count++
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}
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})])
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.process(css, {from: cssPath})
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.then(function () {
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t.equal(count, 2)
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t.end()
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})
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})
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test('ignores rules specified in comments', function (t) {
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var count, ignoreCss, ignoreCssPath, processCss, processCssPath
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ignoreCssPath = require.resolve('./cases/ignore-comment.css')
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ignoreCss = fs.readFileSync(ignoreCssPath)
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processCssPath = require.resolve('./cases/ignore-file.css')
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processCss = fs.readFileSync(processCssPath)
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count = 0
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var processor = postcss([atImport(),
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doiuse({
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browsers: ['ie 6'],
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onFeatureUsage: function (usageInfo) {
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count++
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}
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})])
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processor.process(ignoreCss, {from: ignoreCssPath})
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.then(function () {
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t.equal(count, 2)
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}).then(function () {
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processor.process(processCss, {from: processCssPath})
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.then(function () {
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t.equal(count, 3, 'inline css disabing rules must apply only to current file')
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t.end()
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})
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})
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})
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