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sanity.test.js
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sanity.test.js
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import fs from 'fs'
import path from 'path'
import postcss from 'postcss'
import tailwind from '../src/index'
import config from '../stubs/defaultConfig.stub.js'
it('generates the right CSS', () => {
const inputPath = path.resolve(`${__dirname}/fixtures/tailwind-input.css`)
const input = fs.readFileSync(inputPath, 'utf8')
return postcss([tailwind()])
.process(input, { from: inputPath })
.then(result => {
const expected = fs.readFileSync(
path.resolve(`${__dirname}/fixtures/tailwind-output.css`),
'utf8'
)
expect(result.css).toBe(expected)
})
})
it('generates the right CSS when "important" is enabled', () => {
const inputPath = path.resolve(`${__dirname}/fixtures/tailwind-input.css`)
const input = fs.readFileSync(inputPath, 'utf8')
return postcss([tailwind({ ...config, important: true })])
.process(input, { from: inputPath })
.then(result => {
const expected = fs.readFileSync(
path.resolve(`${__dirname}/fixtures/tailwind-output-important.css`),
'utf8'
)
expect(result.css).toBe(expected)
})
})
it('generates the right CSS when using @import instead of @tailwind', () => {
const inputPath = path.resolve(`${__dirname}/fixtures/tailwind-input-import.css`)
const input = fs.readFileSync(inputPath, 'utf8')
return postcss([tailwind()])
.process(input, { from: inputPath })
.then(result => {
const expected = fs.readFileSync(
path.resolve(`${__dirname}/fixtures/tailwind-output.css`),
'utf8'
)
expect(result.css).toBe(expected)
})
})
// TODO: Move to per plugin unit tests for this sort of thing
it('generates the right CSS when color opacity plugins are disabled', () => {
const inputPath = path.resolve(`${__dirname}/fixtures/tailwind-input.css`)
const input = fs.readFileSync(inputPath, 'utf8')
return postcss([
tailwind({
...config,
corePlugins: {
textOpacity: false,
backgroundOpacity: false,
borderOpacity: false,
placeholderOpacity: false,
divideOpacity: false,
},
}),
])
.process(input, { from: inputPath })
.then(result => {
const expected = fs.readFileSync(
path.resolve(`${__dirname}/fixtures/tailwind-output-no-color-opacity.css`),
'utf8'
)
expect(result.css).toBe(expected)
})
})
it('does not add any CSS if no Tailwind features are used', () => {
return postcss([tailwind()])
.process('.foo { color: blue; }', { from: undefined })
.then(result => {
expect(result.css).toMatchCss('.foo { color: blue; }')
})
})
it('generates the right CSS with implicit screen utilities', () => {
const inputPath = path.resolve(
`${__dirname}/fixtures/tailwind-input-with-explicit-screen-utilities.css`
)
const input = fs.readFileSync(inputPath, 'utf8')
return postcss([tailwind()])
.process(input, { from: inputPath })
.then(result => {
const expected = fs.readFileSync(
path.resolve(`${__dirname}/fixtures/tailwind-output-with-explicit-screen-utilities.css`),
'utf8'
)
expect(result.css).toBe(expected)
})
})
it('generates the right CSS when "important" is enabled', () => {
const inputPath = path.resolve(`${__dirname}/fixtures/tailwind-input.css`)
const input = fs.readFileSync(inputPath, 'utf8')
return postcss([tailwind({ ...config, important: true })])
.process(input, { from: inputPath })
.then(result => {
const expected = fs.readFileSync(
path.resolve(`${__dirname}/fixtures/tailwind-output-important.css`),
'utf8'
)
expect(result.css).toBe(expected)
})
})