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import { assert } from 'chai'
import Ruler from '../lib/ruler.mjs'
describe('Ruler', function () {
it('should replace rule (.at)', function () {
const ruler = new Ruler()
let res = 0
ruler.push('test', function foo () { res = 1 })
ruler.at('test', function bar () { res = 2 })
const rules = ruler.getRules('')
assert.strictEqual(rules.length, 1)
rules[0]()
assert.strictEqual(res, 2)
})
it('should inject before/after rule', function () {
const ruler = new Ruler()
let res = 0
ruler.push('test', function foo () { res = 1 })
ruler.before('test', 'before_test', function fooBefore () { res = -10 })
ruler.after('test', 'after_test', function fooAfter () { res = 10 })
const rules = ruler.getRules('')
assert.strictEqual(rules.length, 3)
rules[0]()
assert.strictEqual(res, -10)
rules[1]()
assert.strictEqual(res, 1)
rules[2]()
assert.strictEqual(res, 10)
})
it('should enable/disable rule', function () {
const ruler = new Ruler()
let rules
ruler.push('test', function foo () {})
ruler.push('test2', function bar () {})
rules = ruler.getRules('')
assert.strictEqual(rules.length, 2)
ruler.disable('test')
rules = ruler.getRules('')
assert.strictEqual(rules.length, 1)
ruler.disable('test2')
rules = ruler.getRules('')
assert.strictEqual(rules.length, 0)
ruler.enable('test')
rules = ruler.getRules('')
assert.strictEqual(rules.length, 1)
ruler.enable('test2')
rules = ruler.getRules('')
assert.strictEqual(rules.length, 2)
})
it('should enable/disable multiple rule', function () {
const ruler = new Ruler()
let rules
ruler.push('test', function foo () {})
ruler.push('test2', function bar () {})
ruler.disable(['test', 'test2'])
rules = ruler.getRules('')
assert.strictEqual(rules.length, 0)
ruler.enable(['test', 'test2'])
rules = ruler.getRules('')
assert.strictEqual(rules.length, 2)
})
it('should enable rules by whitelist', function () {
const ruler = new Ruler()
ruler.push('test', function foo () {})
ruler.push('test2', function bar () {})
ruler.enableOnly('test')
const rules = ruler.getRules('')
assert.strictEqual(rules.length, 1)
})
it('should support multiple chains', function () {
const ruler = new Ruler()
let rules
ruler.push('test', function foo () {})
ruler.push('test2', function bar () {}, { alt: ['alt1'] })
ruler.push('test2', function bar () {}, { alt: ['alt1', 'alt2'] })
rules = ruler.getRules('')
assert.strictEqual(rules.length, 3)
rules = ruler.getRules('alt1')
assert.strictEqual(rules.length, 2)
rules = ruler.getRules('alt2')
assert.strictEqual(rules.length, 1)
})
it('should fail on invalid rule name', function () {
const ruler = new Ruler()
ruler.push('test', function foo () {})
assert.throws(function () {
ruler.at('invalid name', function bar () {})
})
assert.throws(function () {
ruler.before('invalid name', function bar () {})
})
assert.throws(function () {
ruler.after('invalid name', function bar () {})
})
assert.throws(function () {
ruler.enable('invalid name')
})
assert.throws(function () {
ruler.disable('invalid name')
})
})
it('should not fail on invalid rule name in silent mode', function () {
const ruler = new Ruler()
ruler.push('test', function foo () {})
assert.doesNotThrow(function () {
ruler.enable('invalid name', true)
})
assert.doesNotThrow(function () {
ruler.enableOnly('invalid name', true)
})
assert.doesNotThrow(function () {
ruler.disable('invalid name', true)
})
})
})