test-exclude.js
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/* global describe, it, context */
const exclude = require('../')
require('chai').should()
describe('testExclude', function () {
it('should exclude the node_modules folder by default', function () {
exclude().shouldInstrument('./banana/node_modules/cat.js').should.equal(false)
exclude().shouldInstrument('node_modules/cat.js').should.equal(false)
})
it('ignores ./', function () {
exclude().shouldInstrument('./test.js').should.equal(false)
exclude().shouldInstrument('./foo.test.js').should.equal(false)
})
it('matches files in root with **/', function () {
exclude().shouldInstrument('__tests__/**').should.equal(false)
})
it('does not instrument files outside cwd', function () {
exclude().shouldInstrument('../foo.js').should.equal(false)
})
it('applies exclude rule ahead of include rule', function () {
const e = exclude({
include: ['test.js', 'foo.js'],
exclude: ['test.js']
})
e.shouldInstrument('test.js').should.equal(false)
e.shouldInstrument('foo.js').should.equal(true)
e.shouldInstrument('banana.js').should.equal(false)
})
it('should handle gitignore-style excludes', function () {
const e = exclude({
exclude: ['dist']
})
e.shouldInstrument('dist/foo.js').should.equal(false)
e.shouldInstrument('dist/foo/bar.js').should.equal(false)
e.shouldInstrument('src/foo.js').should.equal(true)
})
it('should handle gitignore-style includes', function () {
const e = exclude({
include: ['src']
})
e.shouldInstrument('src/foo.test.js').should.equal(false)
e.shouldInstrument('src/foo.js').should.equal(true)
e.shouldInstrument('src/foo/bar.js').should.equal(true)
})
it("handles folder '.' in path", function () {
const e = exclude()
e.shouldInstrument('test/fixtures/basic/.next/dist/pages/async-props.js').should.equal(false)
})
it('excludes node_modules folder, even when empty exclude group is provided', function () {
const e = exclude({
exclude: []
})
e.shouldInstrument('./banana/node_modules/cat.js').should.equal(false)
e.shouldInstrument('node_modules/some/module/to/cover.js').should.equal(false)
e.shouldInstrument('__tests__/a-test.js').should.equal(true)
e.shouldInstrument('src/a.test.js').should.equal(true)
e.shouldInstrument('src/foo.js').should.equal(true)
})
it('allows node_modules folder to be included, if !node_modules is explicitly provided', function () {
const e = exclude({
exclude: ['!**/node_modules/**']
})
e.shouldInstrument('./banana/node_modules/cat.js').should.equal(true)
e.shouldInstrument('node_modules/some/module/to/cover.js').should.equal(true)
e.shouldInstrument('__tests__/a-test.js').should.equal(true)
e.shouldInstrument('src/a.test.js').should.equal(true)
e.shouldInstrument('src/foo.js').should.equal(true)
})
it('exports defaultExclude', function () {
exclude.defaultExclude.should.deep.equal([
'test/**',
'test{,-*}.js',
'**/*.test.js',
'**/__tests__/**',
'**/node_modules/**'
])
})
describe('pkgConf', function () {
it('should load exclude rules from config key', function () {
const e = exclude({
configPath: './test/fixtures/exclude',
configKey: 'a'
})
e.shouldInstrument('foo.js').should.equal(true)
e.shouldInstrument('batman.js').should.equal(false)
e.configFound.should.equal(true)
})
it('should load include rules from config key', function () {
const e = exclude({
configPath: './test/fixtures/include',
configKey: 'b'
})
e.shouldInstrument('foo.js').should.equal(false)
e.shouldInstrument('batman.js').should.equal(true)
e.configFound.should.equal(true)
})
it('should only instrument files that are included in subdirs', function () {
const e = exclude({
configPath: './test/fixtures/include-src-only',
configKey: 'c'
})
e.shouldInstrument('bar/baz.js').should.equal(false)
e.shouldInstrument('bad/file.js').should.equal(false)
e.shouldInstrument('foo.js').should.equal(false)
e.shouldInstrument('src/app.test.js').should.equal(false)
e.shouldInstrument('src/app.js').should.equal(true)
})
it('should respect defaultExcludes if no config is given', function () {
const e = exclude({
configPath: './test/fixtures/defaults',
configKey: 'd'
})
e.shouldInstrument('test.js').should.equal(false)
e.shouldInstrument('src/app.test.js').should.equal(false)
e.shouldInstrument('bar/baz.js').should.equal(true)
e.shouldInstrument('bad/file.js').should.equal(true)
e.shouldInstrument('foo.js').should.equal(true)
e.shouldInstrument('index.js').should.equal(true)
})
it('should not throw if a key is missing', function () {
var e = exclude({
configPath: './test/fixtures/include',
configKey: 'c'
})
e.configFound.should.equal(false)
})
context('when given an object', function () {
it('should use the defaultExcludes if the object is empty', function () {
const e = exclude({
configPath: './test/fixtures/exclude-empty-object',
configKey: 'e'
})
e.shouldInstrument('test.js').should.equal(false)
e.shouldInstrument('src/app.test.js').should.equal(false)
e.shouldInstrument('bar/baz.js').should.equal(true)
e.shouldInstrument('bad/file.js').should.equal(true)
e.shouldInstrument('foo.js').should.equal(true)
e.shouldInstrument('index.js').should.equal(true)
})
it('should use the defaultExcludes if the object is not empty', function () {
const e = exclude({
configPath: './test/fixtures/exclude-object',
configKey: 'e'
})
e.shouldInstrument('test.js').should.equal(false)
e.shouldInstrument('src/app.test.js').should.equal(false)
e.shouldInstrument('bar/baz.js').should.equal(true)
e.shouldInstrument('bad/file.js').should.equal(true)
e.shouldInstrument('foo.js').should.equal(true)
e.shouldInstrument('index.js').should.equal(true)
})
})
})
// see: https://github.com/istanbuljs/babel-plugin-istanbul/issues/71
it('allows exclude/include rule to be a string', function () {
const e = exclude({
exclude: 'src/**/*.spec.js',
include: 'src/**'
})
e.shouldInstrument('src/batman/robin/foo.spec.js').should.equal(false)
e.shouldInstrument('src/batman/robin/foo.js').should.equal(true)
})
})