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siesta-lite

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Stress-free JavaScript unit testing and functional testing tool, works in NodeJS and browsers

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/* Siesta 5.6.1 Copyright(c) 2009-2022 Bryntum AB https://bryntum.com/contact https://bryntum.com/products/siesta/license */ /** @class Siesta.Util.Role.CanCompareObjects A mixin, providing the "compareObjects" method. */ Role('Siesta.Util.Role.CanCompareObjects', { does : [ Siesta.Util.Role.CanGetType ], methods : { countKeys : function (object) { var counter = 0 Joose.O.eachOwn(object, function () { counter++ }) return counter }, /** * This method performs a deep comparison of the passed JavaScript objects. Objects must not contain cyclic references. * Supported objects are: Object, Array, Function, RegExp, Date, Map (the latter only for keys of primitive values - strings, numbers and browser >= MS Edge). * When comparing Maps, the order of insertion does not matter. * * You can use this method in your own assertions, since it does not create an actual assertion in the test results, * but rather just returns a boolean value with comparison result. * * @param {Mixed} obj1 The 1st object to compare * @param {Mixed} obj2 The 2nd object to compare * @param {Boolean} strict When passed the `true` value, the comparison of the primitive values will be performed with the * `===` operator (so [ 1 ] and [ "1" ] object will be different). Additionally, when this flag is set to `true`, then * when comparing Function, RegExp and Date instances, additional check that objects contains the same set of own properties ("hasOwnProperty") * will be performed. * @param {Boolean} onlyPrimitives When set to `true`, the function will not recurse into composite objects (like [] or {}) and will just report that * objects are different. Use this mode when you are only interested in comparison of primitive values (numbers, strings, etc). * @param {Boolean} asObjects When set to `true`, the function will compare various special Object instances, like Functions, RegExp etc, * by comparison of their properties only and not taking the anything else into account. * @return {Boolean} `true` if the passed objects are equal */ compareObjects : function (obj1, obj2, strict, onlyPrimitives, asObjects) { var obj1IsPlaceholder = Joose.O.isInstance(obj1) && obj1.meta.does(Siesta.Test.Role.Placeholder) var obj2IsPlaceholder = Joose.O.isInstance(obj2) && obj2.meta.does(Siesta.Test.Role.Placeholder) if (strict) { if (obj1 === obj2) return true } else if (obj1 == obj2) return true if (obj1IsPlaceholder && obj2IsPlaceholder) return obj1.equalsTo(obj2) else if (obj2IsPlaceholder) return obj2.equalsTo(obj1) else if (obj1IsPlaceholder) return obj1.equalsTo(obj2) if (onlyPrimitives) return false var type1 = this.typeOf(obj1) var type2 = this.typeOf(obj2) if (type1 != type2) return false var me = this if (type1 == 'Set') { if (obj1.size != obj2.size) return false else { // we use iterator here instead of simple "for .. of" loop, because IE does not support it var iterator = obj1.entries() for (var entry = iterator.next(); !entry.done; entry = iterator.next()) { var key = entry.value[ 0 ] if (!obj2.has(key)) return false } // we use iterator here instead of simple "for .. of" loop, because IE does not support it var iterator = obj2.entries() for (var entry = iterator.next(); !entry.done; entry = iterator.next()) { var key = entry.value[ 0 ] if (!obj1.has(key)) return false } return true } } if (type1 == 'Map') { if (obj1.size != obj2.size) return false else { // we use iterator here instead of simple "for .. of" loop, because IE does not support it var iterator = obj1.entries() for (var entry = iterator.next(); !entry.done; entry = iterator.next()) { var key = entry.value[ 0 ] var value = entry.value[ 1 ] if (!obj2.has(key) || !me.compareObjects(value, obj2.get(key), strict)) return false } var iterator = obj2.entries() for (var entry = iterator.next(); !entry.done; entry = iterator.next()) { var key = entry.value[ 0 ] var value = entry.value[ 1 ] if (!obj1.has(key) || !me.compareObjects(value, obj1.get(key), strict)) return false } return true } } if (type1 == 'Object' || asObjects) if (this.countKeys(obj1) != this.countKeys(obj2)) return false else { var res = Joose.O.eachOwn(obj1, function (value, name) { if (!me.compareObjects(value, obj2[ name ], strict)) return false }) return res === false ? false : true } if (type1 == 'Array') if (obj1.length != obj2.length) return false else { for (var i = 0; i < obj1.length; i++) if (!this.compareObjects(obj1[ i ], obj2[ i ], strict)) return false return true } if (type1 == 'Function') return obj1.toString() == obj2.toString() && (!strict || this.compareObjects(obj1, obj2, strict, false, true)) if (type1 == 'RegExp') return obj1.source == obj2.source && obj1.global == obj2.global && obj1.ignoreCase == obj2.ignoreCase && obj1.multiline == obj2.multiline && (!strict || this.compareObjects(obj1, obj2, strict, false, true)) if (type1 == 'Date') return !Boolean(obj1 - obj2) && (!strict || this.compareObjects(obj1, obj2, strict, false, true)) return false } } })