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index.test.js
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const subject = require('./index')
const path = require("path")
describe('SVG React Loader rewire', () => {
const mockDevelopmentConfig = {
module: {
rules: [
{
test: /\.(js|jsx|mjs)$/,
enforce: 'pre',
use: [
{options: {}, loader: path.resolve(__dirname, '/path/to/eslint-loader/index.js')}
],
include: path.resolve(__dirname, '/path/to/src')
},
{
oneOf: [
{
test: [/\.bmp$/, /\.gif$/, /\.jpe?g$/, /\.png$/],
loader: path.resolve(__dirname, '/path/to/url-loader/index.js'),
options: {},
},
{
test: /\.(js|jsx|mjs)$/,
include: path.resolve(__dirname, '/path/to/src'),
loader: path.resolve(__dirname, '/path/to/babel-loader/lib/index.js'),
options: {},
},
{
test: /\.css$/,
use: [
path.resolve(__dirname, '/path/to/style-loader/index.js'),
{
loader: path.resolve(__dirname, '/path/to/css-loader/index.js'),
options: {},
},
{
loader: path.resolve(__dirname, '/path/to/postcss-loader/lib/index.js'),
options: {},
},
],
},
{
exclude: [/\.js$/, /\.html$/, /\.json$/],
loader: path.resolve(__dirname, '/path/to/file-loader/dist/cjs.js'),
options: {name: 'static/media/[name].[hash:8].[ext]'},
},
]
}]
}
}
const mockProductionConfig = {
module: {
rules: [
{
test: /\.(js|jsx|mjs)$/,
enforce: 'pre',
use: [
{options: {}, loader: path.resolve(__dirname, '/path/to/eslint-loader/index.js')}
],
include: path.resolve(__dirname, '/path/to/src')
},
{
oneOf: [
{
test: [/\.bmp$/, /\.gif$/, /\.jpe?g$/, /\.png$/],
loader: path.resolve(__dirname, '/path/to/url-loader/index.js'),
options: {},
},
{
test: /\.(js|jsx|mjs)$/,
include: path.resolve(__dirname, '/path/to/src'),
loader: path.resolve(__dirname, '/path/to/babel-loader/lib/index.js'),
options: {},
},
{
test: /\.css$/,
loader: [
{
loader: path.resolve(__dirname, '/path/to/extract-text-webpack-plugin/dist/loader.js'),
options: {}
},
{
loader: path.resolve(__dirname, '/path/to/style-loader/index.js'),
options: {}
},
{
loader: path.resolve(__dirname, '/path/to/css-loader/index.js'),
options: {}
},
{
loader: path.resolve(__dirname, '/path/to/postcss-loader/lib/index.js'),
options: {}
}
]
},
{
exclude: [/\.js$/, /\.html$/, /\.json$/],
loader: path.resolve(__dirname, '/path/to/file-loader/dist/cjs.js'),
options: {name: 'static/media/[name].[hash:8].[ext]'},
},
]
}]
}
}
describe('development', () => {
const result = subject(mockDevelopmentConfig)
const svgLoader = result.module.rules[1].oneOf[3]
const fileLoader = result.module.rules[1].oneOf[4]
it('should set test on the configuration', () => {
expect(svgLoader.test).toEqual(/\.svg$/)
})
it('should set loader on the configuration', () => {
expect(svgLoader.loader).toContain(`${path.sep}svg-react-loader${path.sep}`)
})
it('should insert the SVG loader before the file loader', () => {
expect(fileLoader.loader).toContain(`${path.sep}file-loader${path.sep}`)
})
})
describe('production', () => {
const result = subject(mockProductionConfig)
const svgLoader = result.module.rules[1].oneOf[3]
const fileLoader = result.module.rules[1].oneOf[4]
it('should set test on the configuration', () => {
expect(svgLoader.test).toEqual(/\.svg$/)
})
it('should set loader on the configuration', () => {
expect(svgLoader.loader).toContain(`${path.sep}svg-react-loader${path.sep}`)
})
it('should insert the SVG loader before the file loader', () => {
expect(fileLoader.loader).toContain(`${path.sep}file-loader${path.sep}`)
})
})
})