Платформа ЦРНП "Мирокод" для разработки проектов
https://git.mirocod.ru
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1253 lines
35 KiB
1253 lines
35 KiB
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(function (global, module) { |
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if ('undefined' == typeof module) { |
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var module = { exports: {} } |
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, exports = module.exports |
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} |
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/** |
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* Exports. |
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*/ |
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module.exports = expect; |
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expect.Assertion = Assertion; |
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/** |
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* Exports version. |
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*/ |
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expect.version = '0.1.2'; |
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/** |
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* Possible assertion flags. |
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*/ |
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var flags = { |
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not: ['to', 'be', 'have', 'include', 'only'] |
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, to: ['be', 'have', 'include', 'only', 'not'] |
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, only: ['have'] |
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, have: ['own'] |
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, be: ['an'] |
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}; |
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function expect (obj) { |
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return new Assertion(obj); |
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} |
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/** |
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* Constructor |
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* |
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* @api private |
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*/ |
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function Assertion (obj, flag, parent) { |
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this.obj = obj; |
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this.flags = {}; |
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if (undefined != parent) { |
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this.flags[flag] = true; |
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for (var i in parent.flags) { |
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if (parent.flags.hasOwnProperty(i)) { |
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this.flags[i] = true; |
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} |
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} |
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} |
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var $flags = flag ? flags[flag] : keys(flags) |
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, self = this |
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if ($flags) { |
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for (var i = 0, l = $flags.length; i < l; i++) { |
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// avoid recursion |
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if (this.flags[$flags[i]]) continue; |
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var name = $flags[i] |
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, assertion = new Assertion(this.obj, name, this) |
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if ('function' == typeof Assertion.prototype[name]) { |
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// clone the function, make sure we dont touch the prot reference |
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var old = this[name]; |
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this[name] = function () { |
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return old.apply(self, arguments); |
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} |
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for (var fn in Assertion.prototype) { |
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if (Assertion.prototype.hasOwnProperty(fn) && fn != name) { |
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this[name][fn] = bind(assertion[fn], assertion); |
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} |
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} |
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} else { |
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this[name] = assertion; |
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} |
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} |
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} |
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}; |
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/** |
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* Performs an assertion |
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* |
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* @api private |
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*/ |
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Assertion.prototype.assert = function (truth, msg, error) { |
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var msg = this.flags.not ? error : msg |
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, ok = this.flags.not ? !truth : truth; |
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if (!ok) { |
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throw new Error(msg.call(this)); |
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} |
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this.and = new Assertion(this.obj); |
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}; |
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/** |
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* Check if the value is truthy |
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* |
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* @api public |
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*/ |
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Assertion.prototype.ok = function () { |
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this.assert( |
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!!this.obj |
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, function(){ return 'expected ' + i(this.obj) + ' to be truthy' } |
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, function(){ return 'expected ' + i(this.obj) + ' to be falsy' }); |
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}; |
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/** |
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* Assert that the function throws. |
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* |
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* @param {Function|RegExp} callback, or regexp to match error string against |
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* @api public |
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*/ |
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Assertion.prototype.throwError = |
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Assertion.prototype.throwException = function (fn) { |
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expect(this.obj).to.be.a('function'); |
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var thrown = false |
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, not = this.flags.not |
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try { |
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this.obj(); |
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} catch (e) { |
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if ('function' == typeof fn) { |
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fn(e); |
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} else if ('object' == typeof fn) { |
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var subject = 'string' == typeof e ? e : e.message; |
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if (not) { |
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expect(subject).to.not.match(fn); |
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} else { |
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expect(subject).to.match(fn); |
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} |
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} |
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thrown = true; |
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} |
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if ('object' == typeof fn && not) { |
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// in the presence of a matcher, ensure the `not` only applies to |
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// the matching. |
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this.flags.not = false; |
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} |
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var name = this.obj.name || 'fn'; |
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this.assert( |
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thrown |
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, function(){ return 'expected ' + name + ' to throw an exception' } |
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, function(){ return 'expected ' + name + ' not to throw an exception' }); |
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}; |
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/** |
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* Checks if the array is empty. |
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* |
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* @api public |
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*/ |
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Assertion.prototype.empty = function () { |
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var expectation; |
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if ('object' == typeof this.obj && null !== this.obj && !isArray(this.obj)) { |
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if ('number' == typeof this.obj.length) { |
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expectation = !this.obj.length; |
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} else { |
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expectation = !keys(this.obj).length; |
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} |
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} else { |
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if ('string' != typeof this.obj) { |
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expect(this.obj).to.be.an('object'); |
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} |
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expect(this.obj).to.have.property('length'); |
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expectation = !this.obj.length; |
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} |
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this.assert( |
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expectation |
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, function(){ return 'expected ' + i(this.obj) + ' to be empty' } |
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, function(){ return 'expected ' + i(this.obj) + ' to not be empty' }); |
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return this; |
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}; |
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/** |
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* Checks if the obj exactly equals another. |
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* |
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* @api public |
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*/ |
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Assertion.prototype.be = |
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Assertion.prototype.equal = function (obj) { |
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this.assert( |
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obj === this.obj |
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, function(){ return 'expected ' + i(this.obj) + ' to equal ' + i(obj) } |
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, function(){ return 'expected ' + i(this.obj) + ' to not equal ' + i(obj) }); |
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return this; |
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}; |
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/** |
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* Checks if the obj sortof equals another. |
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* |
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* @api public |
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*/ |
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Assertion.prototype.eql = function (obj) { |
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this.assert( |
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expect.eql(obj, this.obj) |
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, function(){ return 'expected ' + i(this.obj) + ' to sort of equal ' + i(obj) } |
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, function(){ return 'expected ' + i(this.obj) + ' to sort of not equal ' + i(obj) }); |
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return this; |
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}; |
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/** |
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* Assert within start to finish (inclusive). |
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* |
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* @param {Number} start |
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* @param {Number} finish |
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* @api public |
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*/ |
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Assertion.prototype.within = function (start, finish) { |
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var range = start + '..' + finish; |
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this.assert( |
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this.obj >= start && this.obj <= finish |
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, function(){ return 'expected ' + i(this.obj) + ' to be within ' + range } |
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, function(){ return 'expected ' + i(this.obj) + ' to not be within ' + range }); |
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return this; |
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}; |
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/** |
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* Assert typeof / instance of |
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* |
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* @api public |
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*/ |
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Assertion.prototype.a = |
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Assertion.prototype.an = function (type) { |
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if ('string' == typeof type) { |
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// proper english in error msg |
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var n = /^[aeiou]/.test(type) ? 'n' : ''; |
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// typeof with support for 'array' |
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this.assert( |
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'array' == type ? isArray(this.obj) : |
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'object' == type |
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? 'object' == typeof this.obj && null !== this.obj |
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: type == typeof this.obj |
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, function(){ return 'expected ' + i(this.obj) + ' to be a' + n + ' ' + type } |
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, function(){ return 'expected ' + i(this.obj) + ' not to be a' + n + ' ' + type }); |
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} else { |
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// instanceof |
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var name = type.name || 'supplied constructor'; |
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this.assert( |
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this.obj instanceof type |
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, function(){ return 'expected ' + i(this.obj) + ' to be an instance of ' + name } |
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, function(){ return 'expected ' + i(this.obj) + ' not to be an instance of ' + name }); |
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} |
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return this; |
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}; |
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/** |
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* Assert numeric value above _n_. |
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* |
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* @param {Number} n |
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* @api public |
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*/ |
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Assertion.prototype.greaterThan = |
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Assertion.prototype.above = function (n) { |
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this.assert( |
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this.obj > n |
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, function(){ return 'expected ' + i(this.obj) + ' to be above ' + n } |
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, function(){ return 'expected ' + i(this.obj) + ' to be below ' + n }); |
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return this; |
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}; |
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/** |
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* Assert numeric value below _n_. |
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* |
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* @param {Number} n |
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* @api public |
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*/ |
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Assertion.prototype.lessThan = |
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Assertion.prototype.below = function (n) { |
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this.assert( |
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this.obj < n |
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, function(){ return 'expected ' + i(this.obj) + ' to be below ' + n } |
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, function(){ return 'expected ' + i(this.obj) + ' to be above ' + n }); |
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return this; |
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}; |
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/** |
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* Assert string value matches _regexp_. |
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* |
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* @param {RegExp} regexp |
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* @api public |
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*/ |
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Assertion.prototype.match = function (regexp) { |
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this.assert( |
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regexp.exec(this.obj) |
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, function(){ return 'expected ' + i(this.obj) + ' to match ' + regexp } |
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, function(){ return 'expected ' + i(this.obj) + ' not to match ' + regexp }); |
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return this; |
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}; |
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/** |
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* Assert property "length" exists and has value of _n_. |
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* |
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* @param {Number} n |
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* @api public |
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*/ |
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Assertion.prototype.length = function (n) { |
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expect(this.obj).to.have.property('length'); |
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var len = this.obj.length; |
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this.assert( |
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n == len |
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, function(){ return 'expected ' + i(this.obj) + ' to have a length of ' + n + ' but got ' + len } |
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, function(){ return 'expected ' + i(this.obj) + ' to not have a length of ' + len }); |
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return this; |
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}; |
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/** |
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* Assert property _name_ exists, with optional _val_. |
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* |
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* @param {String} name |
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* @param {Mixed} val |
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* @api public |
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*/ |
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Assertion.prototype.property = function (name, val) { |
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if (this.flags.own) { |
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this.assert( |
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Object.prototype.hasOwnProperty.call(this.obj, name) |
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, function(){ return 'expected ' + i(this.obj) + ' to have own property ' + i(name) } |
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, function(){ return 'expected ' + i(this.obj) + ' to not have own property ' + i(name) }); |
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return this; |
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} |
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if (this.flags.not && undefined !== val) { |
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if (undefined === this.obj[name]) { |
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throw new Error(i(this.obj) + ' has no property ' + i(name)); |
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} |
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} else { |
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var hasProp; |
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try { |
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hasProp = name in this.obj |
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} catch (e) { |
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hasProp = undefined !== this.obj[name] |
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} |
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this.assert( |
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hasProp |
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, function(){ return 'expected ' + i(this.obj) + ' to have a property ' + i(name) } |
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, function(){ return 'expected ' + i(this.obj) + ' to not have a property ' + i(name) }); |
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} |
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if (undefined !== val) { |
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this.assert( |
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val === this.obj[name] |
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, function(){ return 'expected ' + i(this.obj) + ' to have a property ' + i(name) |
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+ ' of ' + i(val) + ', but got ' + i(this.obj[name]) } |
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, function(){ return 'expected ' + i(this.obj) + ' to not have a property ' + i(name) |
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+ ' of ' + i(val) }); |
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} |
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this.obj = this.obj[name]; |
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return this; |
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}; |
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/** |
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* Assert that the array contains _obj_ or string contains _obj_. |
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* |
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* @param {Mixed} obj|string |
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* @api public |
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*/ |
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Assertion.prototype.string = |
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Assertion.prototype.contain = function (obj) { |
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if ('string' == typeof this.obj) { |
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this.assert( |
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~this.obj.indexOf(obj) |
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, function(){ return 'expected ' + i(this.obj) + ' to contain ' + i(obj) } |
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, function(){ return 'expected ' + i(this.obj) + ' to not contain ' + i(obj) }); |
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} else { |
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this.assert( |
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~indexOf(this.obj, obj) |
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, function(){ return 'expected ' + i(this.obj) + ' to contain ' + i(obj) } |
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, function(){ return 'expected ' + i(this.obj) + ' to not contain ' + i(obj) }); |
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} |
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return this; |
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}; |
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/** |
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* Assert exact keys or inclusion of keys by using |
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* the `.own` modifier. |
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* |
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* @param {Array|String ...} keys |
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* @api public |
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*/ |
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|
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Assertion.prototype.key = |
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Assertion.prototype.keys = function ($keys) { |
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var str |
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, ok = true; |
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|
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$keys = isArray($keys) |
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? $keys |
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: Array.prototype.slice.call(arguments); |
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|
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if (!$keys.length) throw new Error('keys required'); |
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|
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var actual = keys(this.obj) |
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, len = $keys.length; |
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|
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// Inclusion |
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ok = every($keys, function (key) { |
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return ~indexOf(actual, key); |
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}); |
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|
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// Strict |
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if (!this.flags.not && this.flags.only) { |
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ok = ok && $keys.length == actual.length; |
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} |
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|
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// Key string |
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if (len > 1) { |
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$keys = map($keys, function (key) { |
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return i(key); |
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}); |
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var last = $keys.pop(); |
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str = $keys.join(', ') + ', and ' + last; |
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} else { |
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str = i($keys[0]); |
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} |
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|
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// Form |
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str = (len > 1 ? 'keys ' : 'key ') + str; |
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|
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// Have / include |
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str = (!this.flags.only ? 'include ' : 'only have ') + str; |
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|
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// Assertion |
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this.assert( |
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ok |
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, function(){ return 'expected ' + i(this.obj) + ' to ' + str } |
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, function(){ return 'expected ' + i(this.obj) + ' to not ' + str }); |
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|
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return this; |
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}; |
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/** |
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* Assert a failure. |
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* |
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* @param {String ...} custom message |
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* @api public |
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*/ |
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Assertion.prototype.fail = function (msg) { |
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msg = msg || "explicit failure"; |
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this.assert(false, msg, msg); |
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return this; |
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}; |
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|
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/** |
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* Function bind implementation. |
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*/ |
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|
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function bind (fn, scope) { |
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return function () { |
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return fn.apply(scope, arguments); |
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} |
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} |
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|
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/** |
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* Array every compatibility |
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* |
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* @see bit.ly/5Fq1N2 |
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* @api public |
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*/ |
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|
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function every (arr, fn, thisObj) { |
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var scope = thisObj || global; |
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for (var i = 0, j = arr.length; i < j; ++i) { |
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if (!fn.call(scope, arr[i], i, arr)) { |
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return false; |
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} |
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} |
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return true; |
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}; |
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|
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/** |
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* Array indexOf compatibility. |
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* |
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* @see bit.ly/a5Dxa2 |
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* @api public |
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*/ |
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|
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function indexOf (arr, o, i) { |
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if (Array.prototype.indexOf) { |
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return Array.prototype.indexOf.call(arr, o, i); |
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} |
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|
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if (arr.length === undefined) { |
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return -1; |
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} |
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|
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for (var j = arr.length, i = i < 0 ? i + j < 0 ? 0 : i + j : i || 0 |
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; i < j && arr[i] !== o; i++); |
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|
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return j <= i ? -1 : i; |
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}; |
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|
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// https://gist.github.com/1044128/ |
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var getOuterHTML = function(element) { |
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if ('outerHTML' in element) return element.outerHTML; |
|
var ns = "http://www.w3.org/1999/xhtml"; |
|
var container = document.createElementNS(ns, '_'); |
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var elemProto = (window.HTMLElement || window.Element).prototype; |
|
var xmlSerializer = new XMLSerializer(); |
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var html; |
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if (document.xmlVersion) { |
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return xmlSerializer.serializeToString(element); |
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} else { |
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container.appendChild(element.cloneNode(false)); |
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html = container.innerHTML.replace('><', '>' + element.innerHTML + '<'); |
|
container.innerHTML = ''; |
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return html; |
|
} |
|
}; |
|
|
|
// Returns true if object is a DOM element. |
|
var isDOMElement = function (object) { |
|
if (typeof HTMLElement === 'object') { |
|
return object instanceof HTMLElement; |
|
} else { |
|
return object && |
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typeof object === 'object' && |
|
object.nodeType === 1 && |
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typeof object.nodeName === 'string'; |
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} |
|
}; |
|
|
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/** |
|
* Inspects an object. |
|
* |
|
* @see taken from node.js `util` module (copyright Joyent, MIT license) |
|
* @api private |
|
*/ |
|
|
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function i (obj, showHidden, depth) { |
|
var seen = []; |
|
|
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function stylize (str) { |
|
return str; |
|
}; |
|
|
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function format (value, recurseTimes) { |
|
// Provide a hook for user-specified inspect functions. |
|
// Check that value is an object with an inspect function on it |
|
if (value && typeof value.inspect === 'function' && |
|
// Filter out the util module, it's inspect function is special |
|
value !== exports && |
|
// Also filter out any prototype objects using the circular check. |
|
!(value.constructor && value.constructor.prototype === value)) { |
|
return value.inspect(recurseTimes); |
|
} |
|
|
|
// Primitive types cannot have properties |
|
switch (typeof value) { |
|
case 'undefined': |
|
return stylize('undefined', 'undefined'); |
|
|
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case 'string': |
|
var simple = '\'' + json.stringify(value).replace(/^"|"$/g, '') |
|
.replace(/'/g, "\\'") |
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.replace(/\\"/g, '"') + '\''; |
|
return stylize(simple, 'string'); |
|
|
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case 'number': |
|
return stylize('' + value, 'number'); |
|
|
|
case 'boolean': |
|
return stylize('' + value, 'boolean'); |
|
} |
|
// For some reason typeof null is "object", so special case here. |
|
if (value === null) { |
|
return stylize('null', 'null'); |
|
} |
|
|
|
if (isDOMElement(value)) { |
|
return getOuterHTML(value); |
|
} |
|
|
|
// Look up the keys of the object. |
|
var visible_keys = keys(value); |
|
var $keys = showHidden ? Object.getOwnPropertyNames(value) : visible_keys; |
|
|
|
// Functions without properties can be shortcutted. |
|
if (typeof value === 'function' && $keys.length === 0) { |
|
if (isRegExp(value)) { |
|
return stylize('' + value, 'regexp'); |
|
} else { |
|
var name = value.name ? ': ' + value.name : ''; |
|
return stylize('[Function' + name + ']', 'special'); |
|
} |
|
} |
|
|
|
// Dates without properties can be shortcutted |
|
if (isDate(value) && $keys.length === 0) { |
|
return stylize(value.toUTCString(), 'date'); |
|
} |
|
|
|
var base, type, braces; |
|
// Determine the object type |
|
if (isArray(value)) { |
|
type = 'Array'; |
|
braces = ['[', ']']; |
|
} else { |
|
type = 'Object'; |
|
braces = ['{', '}']; |
|
} |
|
|
|
// Make functions say that they are functions |
|
if (typeof value === 'function') { |
|
var n = value.name ? ': ' + value.name : ''; |
|
base = (isRegExp(value)) ? ' ' + value : ' [Function' + n + ']'; |
|
} else { |
|
base = ''; |
|
} |
|
|
|
// Make dates with properties first say the date |
|
if (isDate(value)) { |
|
base = ' ' + value.toUTCString(); |
|
} |
|
|
|
if ($keys.length === 0) { |
|
return braces[0] + base + braces[1]; |
|
} |
|
|
|
if (recurseTimes < 0) { |
|
if (isRegExp(value)) { |
|
return stylize('' + value, 'regexp'); |
|
} else { |
|
return stylize('[Object]', 'special'); |
|
} |
|
} |
|
|
|
seen.push(value); |
|
|
|
var output = map($keys, function (key) { |
|
var name, str; |
|
if (value.__lookupGetter__) { |
|
if (value.__lookupGetter__(key)) { |
|
if (value.__lookupSetter__(key)) { |
|
str = stylize('[Getter/Setter]', 'special'); |
|
} else { |
|
str = stylize('[Getter]', 'special'); |
|
} |
|
} else { |
|
if (value.__lookupSetter__(key)) { |
|
str = stylize('[Setter]', 'special'); |
|
} |
|
} |
|
} |
|
if (indexOf(visible_keys, key) < 0) { |
|
name = '[' + key + ']'; |
|
} |
|
if (!str) { |
|
if (indexOf(seen, value[key]) < 0) { |
|
if (recurseTimes === null) { |
|
str = format(value[key]); |
|
} else { |
|
str = format(value[key], recurseTimes - 1); |
|
} |
|
if (str.indexOf('\n') > -1) { |
|
if (isArray(value)) { |
|
str = map(str.split('\n'), function (line) { |
|
return ' ' + line; |
|
}).join('\n').substr(2); |
|
} else { |
|
str = '\n' + map(str.split('\n'), function (line) { |
|
return ' ' + line; |
|
}).join('\n'); |
|
} |
|
} |
|
} else { |
|
str = stylize('[Circular]', 'special'); |
|
} |
|
} |
|
if (typeof name === 'undefined') { |
|
if (type === 'Array' && key.match(/^\d+$/)) { |
|
return str; |
|
} |
|
name = json.stringify('' + key); |
|
if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) { |
|
name = name.substr(1, name.length - 2); |
|
name = stylize(name, 'name'); |
|
} else { |
|
name = name.replace(/'/g, "\\'") |
|
.replace(/\\"/g, '"') |
|
.replace(/(^"|"$)/g, "'"); |
|
name = stylize(name, 'string'); |
|
} |
|
} |
|
|
|
return name + ': ' + str; |
|
}); |
|
|
|
seen.pop(); |
|
|
|
var numLinesEst = 0; |
|
var length = reduce(output, function (prev, cur) { |
|
numLinesEst++; |
|
if (indexOf(cur, '\n') >= 0) numLinesEst++; |
|
return prev + cur.length + 1; |
|
}, 0); |
|
|
|
if (length > 50) { |
|
output = braces[0] + |
|
(base === '' ? '' : base + '\n ') + |
|
' ' + |
|
output.join(',\n ') + |
|
' ' + |
|
braces[1]; |
|
|
|
} else { |
|
output = braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1]; |
|
} |
|
|
|
return output; |
|
} |
|
return format(obj, (typeof depth === 'undefined' ? 2 : depth)); |
|
}; |
|
|
|
function isArray (ar) { |
|
return Object.prototype.toString.call(ar) == '[object Array]'; |
|
}; |
|
|
|
function isRegExp(re) { |
|
var s; |
|
try { |
|
s = '' + re; |
|
} catch (e) { |
|
return false; |
|
} |
|
|
|
return re instanceof RegExp || // easy case |
|
// duck-type for context-switching evalcx case |
|
typeof(re) === 'function' && |
|
re.constructor.name === 'RegExp' && |
|
re.compile && |
|
re.test && |
|
re.exec && |
|
s.match(/^\/.*\/[gim]{0,3}$/); |
|
}; |
|
|
|
function isDate(d) { |
|
if (d instanceof Date) return true; |
|
return false; |
|
}; |
|
|
|
function keys (obj) { |
|
if (Object.keys) { |
|
return Object.keys(obj); |
|
} |
|
|
|
var keys = []; |
|
|
|
for (var i in obj) { |
|
if (Object.prototype.hasOwnProperty.call(obj, i)) { |
|
keys.push(i); |
|
} |
|
} |
|
|
|
return keys; |
|
} |
|
|
|
function map (arr, mapper, that) { |
|
if (Array.prototype.map) { |
|
return Array.prototype.map.call(arr, mapper, that); |
|
} |
|
|
|
var other= new Array(arr.length); |
|
|
|
for (var i= 0, n = arr.length; i<n; i++) |
|
if (i in arr) |
|
other[i] = mapper.call(that, arr[i], i, arr); |
|
|
|
return other; |
|
}; |
|
|
|
function reduce (arr, fun) { |
|
if (Array.prototype.reduce) { |
|
return Array.prototype.reduce.apply( |
|
arr |
|
, Array.prototype.slice.call(arguments, 1) |
|
); |
|
} |
|
|
|
var len = +this.length; |
|
|
|
if (typeof fun !== "function") |
|
throw new TypeError(); |
|
|
|
// no value to return if no initial value and an empty array |
|
if (len === 0 && arguments.length === 1) |
|
throw new TypeError(); |
|
|
|
var i = 0; |
|
if (arguments.length >= 2) { |
|
var rv = arguments[1]; |
|
} else { |
|
do { |
|
if (i in this) { |
|
rv = this[i++]; |
|
break; |
|
} |
|
|
|
// if array contains no values, no initial value to return |
|
if (++i >= len) |
|
throw new TypeError(); |
|
} while (true); |
|
} |
|
|
|
for (; i < len; i++) { |
|
if (i in this) |
|
rv = fun.call(null, rv, this[i], i, this); |
|
} |
|
|
|
return rv; |
|
}; |
|
|
|
/** |
|
* Asserts deep equality |
|
* |
|
* @see taken from node.js `assert` module (copyright Joyent, MIT license) |
|
* @api private |
|
*/ |
|
|
|
expect.eql = function eql (actual, expected) { |
|
// 7.1. All identical values are equivalent, as determined by ===. |
|
if (actual === expected) { |
|
return true; |
|
} else if ('undefined' != typeof Buffer |
|
&& Buffer.isBuffer(actual) && Buffer.isBuffer(expected)) { |
|
if (actual.length != expected.length) return false; |
|
|
|
for (var i = 0; i < actual.length; i++) { |
|
if (actual[i] !== expected[i]) return false; |
|
} |
|
|
|
return true; |
|
|
|
// 7.2. If the expected value is a Date object, the actual value is |
|
// equivalent if it is also a Date object that refers to the same time. |
|
} else if (actual instanceof Date && expected instanceof Date) { |
|
return actual.getTime() === expected.getTime(); |
|
|
|
// 7.3. Other pairs that do not both pass typeof value == "object", |
|
// equivalence is determined by ==. |
|
} else if (typeof actual != 'object' && typeof expected != 'object') { |
|
return actual == expected; |
|
|
|
// 7.4. For all other Object pairs, including Array objects, equivalence is |
|
// determined by having the same number of owned properties (as verified |
|
// with Object.prototype.hasOwnProperty.call), the same set of keys |
|
// (although not necessarily the same order), equivalent values for every |
|
// corresponding key, and an identical "prototype" property. Note: this |
|
// accounts for both named and indexed properties on Arrays. |
|
} else { |
|
return objEquiv(actual, expected); |
|
} |
|
} |
|
|
|
function isUndefinedOrNull (value) { |
|
return value === null || value === undefined; |
|
} |
|
|
|
function isArguments (object) { |
|
return Object.prototype.toString.call(object) == '[object Arguments]'; |
|
} |
|
|
|
function objEquiv (a, b) { |
|
if (isUndefinedOrNull(a) || isUndefinedOrNull(b)) |
|
return false; |
|
// an identical "prototype" property. |
|
if (a.prototype !== b.prototype) return false; |
|
//~~~I've managed to break Object.keys through screwy arguments passing. |
|
// Converting to array solves the problem. |
|
if (isArguments(a)) { |
|
if (!isArguments(b)) { |
|
return false; |
|
} |
|
a = pSlice.call(a); |
|
b = pSlice.call(b); |
|
return expect.eql(a, b); |
|
} |
|
try{ |
|
var ka = keys(a), |
|
kb = keys(b), |
|
key, i; |
|
} catch (e) {//happens when one is a string literal and the other isn't |
|
return false; |
|
} |
|
// having the same number of owned properties (keys incorporates hasOwnProperty) |
|
if (ka.length != kb.length) |
|
return false; |
|
//the same set of keys (although not necessarily the same order), |
|
ka.sort(); |
|
kb.sort(); |
|
//~~~cheap key test |
|
for (i = ka.length - 1; i >= 0; i--) { |
|
if (ka[i] != kb[i]) |
|
return false; |
|
} |
|
//equivalent values for every corresponding key, and |
|
//~~~possibly expensive deep test |
|
for (i = ka.length - 1; i >= 0; i--) { |
|
key = ka[i]; |
|
if (!expect.eql(a[key], b[key])) |
|
return false; |
|
} |
|
return true; |
|
} |
|
|
|
var json = (function () { |
|
"use strict"; |
|
|
|
if ('object' == typeof JSON && JSON.parse && JSON.stringify) { |
|
return { |
|
parse: nativeJSON.parse |
|
, stringify: nativeJSON.stringify |
|
} |
|
} |
|
|
|
var JSON = {}; |
|
|
|
function f(n) { |
|
// Format integers to have at least two digits. |
|
return n < 10 ? '0' + n : n; |
|
} |
|
|
|
function date(d, key) { |
|
return isFinite(d.valueOf()) ? |
|
d.getUTCFullYear() + '-' + |
|
f(d.getUTCMonth() + 1) + '-' + |
|
f(d.getUTCDate()) + 'T' + |
|
f(d.getUTCHours()) + ':' + |
|
f(d.getUTCMinutes()) + ':' + |
|
f(d.getUTCSeconds()) + 'Z' : null; |
|
}; |
|
|
|
var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g, |
|
escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g, |
|
gap, |
|
indent, |
|
meta = { // table of character substitutions |
|
'\b': '\\b', |
|
'\t': '\\t', |
|
'\n': '\\n', |
|
'\f': '\\f', |
|
'\r': '\\r', |
|
'"' : '\\"', |
|
'\\': '\\\\' |
|
}, |
|
rep; |
|
|
|
|
|
function quote(string) { |
|
|
|
// If the string contains no control characters, no quote characters, and no |
|
// backslash characters, then we can safely slap some quotes around it. |
|
// Otherwise we must also replace the offending characters with safe escape |
|
// sequences. |
|
|
|
escapable.lastIndex = 0; |
|
return escapable.test(string) ? '"' + string.replace(escapable, function (a) { |
|
var c = meta[a]; |
|
return typeof c === 'string' ? c : |
|
'\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4); |
|
}) + '"' : '"' + string + '"'; |
|
} |
|
|
|
|
|
function str(key, holder) { |
|
|
|
// Produce a string from holder[key]. |
|
|
|
var i, // The loop counter. |
|
k, // The member key. |
|
v, // The member value. |
|
length, |
|
mind = gap, |
|
partial, |
|
value = holder[key]; |
|
|
|
// If the value has a toJSON method, call it to obtain a replacement value. |
|
|
|
if (value instanceof Date) { |
|
value = date(key); |
|
} |
|
|
|
// If we were called with a replacer function, then call the replacer to |
|
// obtain a replacement value. |
|
|
|
if (typeof rep === 'function') { |
|
value = rep.call(holder, key, value); |
|
} |
|
|
|
// What happens next depends on the value's type. |
|
|
|
switch (typeof value) { |
|
case 'string': |
|
return quote(value); |
|
|
|
case 'number': |
|
|
|
// JSON numbers must be finite. Encode non-finite numbers as null. |
|
|
|
return isFinite(value) ? String(value) : 'null'; |
|
|
|
case 'boolean': |
|
case 'null': |
|
|
|
// If the value is a boolean or null, convert it to a string. Note: |
|
// typeof null does not produce 'null'. The case is included here in |
|
// the remote chance that this gets fixed someday. |
|
|
|
return String(value); |
|
|
|
// If the type is 'object', we might be dealing with an object or an array or |
|
// null. |
|
|
|
case 'object': |
|
|
|
// Due to a specification blunder in ECMAScript, typeof null is 'object', |
|
// so watch out for that case. |
|
|
|
if (!value) { |
|
return 'null'; |
|
} |
|
|
|
// Make an array to hold the partial results of stringifying this object value. |
|
|
|
gap += indent; |
|
partial = []; |
|
|
|
// Is the value an array? |
|
|
|
if (Object.prototype.toString.apply(value) === '[object Array]') { |
|
|
|
// The value is an array. Stringify every element. Use null as a placeholder |
|
// for non-JSON values. |
|
|
|
length = value.length; |
|
for (i = 0; i < length; i += 1) { |
|
partial[i] = str(i, value) || 'null'; |
|
} |
|
|
|
// Join all of the elements together, separated with commas, and wrap them in |
|
// brackets. |
|
|
|
v = partial.length === 0 ? '[]' : gap ? |
|
'[\n' + gap + partial.join(',\n' + gap) + '\n' + mind + ']' : |
|
'[' + partial.join(',') + ']'; |
|
gap = mind; |
|
return v; |
|
} |
|
|
|
// If the replacer is an array, use it to select the members to be stringified. |
|
|
|
if (rep && typeof rep === 'object') { |
|
length = rep.length; |
|
for (i = 0; i < length; i += 1) { |
|
if (typeof rep[i] === 'string') { |
|
k = rep[i]; |
|
v = str(k, value); |
|
if (v) { |
|
partial.push(quote(k) + (gap ? ': ' : ':') + v); |
|
} |
|
} |
|
} |
|
} else { |
|
|
|
// Otherwise, iterate through all of the keys in the object. |
|
|
|
for (k in value) { |
|
if (Object.prototype.hasOwnProperty.call(value, k)) { |
|
v = str(k, value); |
|
if (v) { |
|
partial.push(quote(k) + (gap ? ': ' : ':') + v); |
|
} |
|
} |
|
} |
|
} |
|
|
|
// Join all of the member texts together, separated with commas, |
|
// and wrap them in braces. |
|
|
|
v = partial.length === 0 ? '{}' : gap ? |
|
'{\n' + gap + partial.join(',\n' + gap) + '\n' + mind + '}' : |
|
'{' + partial.join(',') + '}'; |
|
gap = mind; |
|
return v; |
|
} |
|
} |
|
|
|
// If the JSON object does not yet have a stringify method, give it one. |
|
|
|
JSON.stringify = function (value, replacer, space) { |
|
|
|
// The stringify method takes a value and an optional replacer, and an optional |
|
// space parameter, and returns a JSON text. The replacer can be a function |
|
// that can replace values, or an array of strings that will select the keys. |
|
// A default replacer method can be provided. Use of the space parameter can |
|
// produce text that is more easily readable. |
|
|
|
var i; |
|
gap = ''; |
|
indent = ''; |
|
|
|
// If the space parameter is a number, make an indent string containing that |
|
// many spaces. |
|
|
|
if (typeof space === 'number') { |
|
for (i = 0; i < space; i += 1) { |
|
indent += ' '; |
|
} |
|
|
|
// If the space parameter is a string, it will be used as the indent string. |
|
|
|
} else if (typeof space === 'string') { |
|
indent = space; |
|
} |
|
|
|
// If there is a replacer, it must be a function or an array. |
|
// Otherwise, throw an error. |
|
|
|
rep = replacer; |
|
if (replacer && typeof replacer !== 'function' && |
|
(typeof replacer !== 'object' || |
|
typeof replacer.length !== 'number')) { |
|
throw new Error('JSON.stringify'); |
|
} |
|
|
|
// Make a fake root object containing our value under the key of ''. |
|
// Return the result of stringifying the value. |
|
|
|
return str('', {'': value}); |
|
}; |
|
|
|
// If the JSON object does not yet have a parse method, give it one. |
|
|
|
JSON.parse = function (text, reviver) { |
|
// The parse method takes a text and an optional reviver function, and returns |
|
// a JavaScript value if the text is a valid JSON text. |
|
|
|
var j; |
|
|
|
function walk(holder, key) { |
|
|
|
// The walk method is used to recursively walk the resulting structure so |
|
// that modifications can be made. |
|
|
|
var k, v, value = holder[key]; |
|
if (value && typeof value === 'object') { |
|
for (k in value) { |
|
if (Object.prototype.hasOwnProperty.call(value, k)) { |
|
v = walk(value, k); |
|
if (v !== undefined) { |
|
value[k] = v; |
|
} else { |
|
delete value[k]; |
|
} |
|
} |
|
} |
|
} |
|
return reviver.call(holder, key, value); |
|
} |
|
|
|
|
|
// Parsing happens in four stages. In the first stage, we replace certain |
|
// Unicode characters with escape sequences. JavaScript handles many characters |
|
// incorrectly, either silently deleting them, or treating them as line endings. |
|
|
|
text = String(text); |
|
cx.lastIndex = 0; |
|
if (cx.test(text)) { |
|
text = text.replace(cx, function (a) { |
|
return '\\u' + |
|
('0000' + a.charCodeAt(0).toString(16)).slice(-4); |
|
}); |
|
} |
|
|
|
// In the second stage, we run the text against regular expressions that look |
|
// for non-JSON patterns. We are especially concerned with '()' and 'new' |
|
// because they can cause invocation, and '=' because it can cause mutation. |
|
// But just to be safe, we want to reject all unexpected forms. |
|
|
|
// We split the second stage into 4 regexp operations in order to work around |
|
// crippling inefficiencies in IE's and Safari's regexp engines. First we |
|
// replace the JSON backslash pairs with '@' (a non-JSON character). Second, we |
|
// replace all simple value tokens with ']' characters. Third, we delete all |
|
// open brackets that follow a colon or comma or that begin the text. Finally, |
|
// we look to see that the remaining characters are only whitespace or ']' or |
|
// ',' or ':' or '{' or '}'. If that is so, then the text is safe for eval. |
|
|
|
if (/^[\],:{}\s]*$/ |
|
.test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@') |
|
.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']') |
|
.replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) { |
|
|
|
// In the third stage we use the eval function to compile the text into a |
|
// JavaScript structure. The '{' operator is subject to a syntactic ambiguity |
|
// in JavaScript: it can begin a block or an object literal. We wrap the text |
|
// in parens to eliminate the ambiguity. |
|
|
|
j = eval('(' + text + ')'); |
|
|
|
// In the optional fourth stage, we recursively walk the new structure, passing |
|
// each name/value pair to a reviver function for possible transformation. |
|
|
|
return typeof reviver === 'function' ? |
|
walk({'': j}, '') : j; |
|
} |
|
|
|
// If the text is not JSON parseable, then a SyntaxError is thrown. |
|
|
|
throw new SyntaxError('JSON.parse'); |
|
}; |
|
|
|
return JSON; |
|
})(); |
|
|
|
if ('undefined' != typeof window) { |
|
window.expect = module.exports; |
|
} |
|
|
|
})( |
|
this |
|
, 'undefined' != typeof module ? module : {} |
|
, 'undefined' != typeof exports ? exports : {} |
|
);
|
|
|