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135 lines
3.4 KiB
135 lines
3.4 KiB
/*global describe, it*/
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'use strict';
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var assert = require('assert');
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var Ruler = require('../lib/ruler');
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describe('Ruler', function () {
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it('should replace rule (.at)', function () {
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var ruler = new Ruler();
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var 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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var 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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var ruler = new Ruler();
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var 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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var 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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var rules, 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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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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var rules, 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.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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var rules, 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.enable('test', true);
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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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var rules, ruler = new Ruler();
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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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var 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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});
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