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