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type-test.js
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type-test.js
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var QUnit = require('steal-qunit');
var canSymbol = require('can-symbol');
var typeReflections = require("./type");
var getSetReflections = require("../get-set/get-set");
var testHelpers = require('../../can-reflect-test_helpers');
QUnit.module('can-reflect: type reflections');
QUnit.test("isConstructorLike", function(){
var Constructor = function(){};
Constructor.prototype.method = function(){};
ok(typeReflections.isConstructorLike(Constructor));
ok(!typeReflections.isConstructorLike(Constructor.prototype.method));
var obj = {};
getSetReflections.setKeyValue(obj,canSymbol.for("can.new"), function(){});
ok(typeReflections.isConstructorLike(obj));
ok(!typeReflections.isConstructorLike({}));
});
QUnit.test("isFunctionLike", function(){
ok(!typeReflections.isFunctionLike({}), 'object is not function like');
ok(typeReflections.isFunctionLike(function(){}), 'function is function like');
var nonFunctionFunction = function() {};
getSetReflections.setKeyValue(nonFunctionFunction, canSymbol.for("can.isFunctionLike"), false);
ok(!typeReflections.isFunctionLike(nonFunctionFunction), 'function with can.isFunctionLike set to false is not function like');
var obj = {};
var func = function() {};
getSetReflections.setKeyValue(obj, canSymbol.for("can.new"), func);
getSetReflections.setKeyValue(obj, canSymbol.for("can.apply"), func);
ok(typeReflections.isFunctionLike(obj), 'object with can.new and can.apply symbols is function like');
getSetReflections.setKeyValue(obj, canSymbol.for("can.isFunctionLike"), false);
ok(!typeReflections.isFunctionLike(obj), 'object with can.new, can.apply, and can.isFunctionLike set to false is not function like');
});
QUnit.test("isIteratorLike", function(){
ok(!typeReflections.isIteratorLike({}));
ok(typeReflections.isIteratorLike({next: function(){}}));
});
QUnit.test("isListLike", function(){
ok(typeReflections.isListLike({0: 1, length: 1}));
ok(typeReflections.isListLike("yes"), "string");
ok(typeReflections.isListLike({
length: 0
}), "object with 0 length");
var symboled = {};
getSetReflections.setKeyValue(symboled, canSymbol.for("can.isListLike"), false);
ok(!typeReflections.isListLike(symboled), "!@@can.isListLike");
getSetReflections.setKeyValue(symboled, canSymbol.for("can.isListLike"), true);
ok(typeReflections.isListLike(symboled), "@@can.isListLike");
if(typeof document !== "undefined") {
var ul = document.createElement("ul");
ul.innerHTML = "<li/><li/>";
ok(typeReflections.isListLike(ul.childNodes), "nodeList");
}
if(testHelpers.setSupported) {
ok(typeReflections.isListLike(new Set()), "Set");
}
});
QUnit.test("isMapLike", function(){
ok(typeReflections.isMapLike({}), "Object");
ok(typeReflections.isMapLike([]), "Array");
var symboled = {};
getSetReflections.setKeyValue(symboled, canSymbol.for("can.isMapLike"), false);
ok(!typeReflections.isMapLike(symboled), "!@@can.isMapLike");
getSetReflections.setKeyValue(symboled, canSymbol.for("can.isMapLike"), true);
ok(typeReflections.isMapLike(symboled), "@@can.isMapLike");
ok(!typeReflections.isMapLike("String"), "String");
});
QUnit.test("isMoreListLikeThanMapLike", function(){
QUnit.equal(typeReflections.isMoreListLikeThanMapLike({}), false, "Object");
QUnit.equal(typeReflections.isMoreListLikeThanMapLike([]), true, "Array");
QUnit.equal(typeReflections.isMoreListLikeThanMapLike(null), false, "null");
QUnit.equal(typeReflections.isMoreListLikeThanMapLike(undefined), false, "undefined");
});
QUnit.test("isObservableLike", function(){
ok(typeReflections.isObservableLike({}) === false, "Object");
ok(typeReflections.isObservableLike([]) === false, "Array");
var obj = {};
getSetReflections.setKeyValue(obj,canSymbol.for("can.onValue"), function(){});
ok(typeReflections.isObservableLike(obj), "Object");
});
QUnit.test("isPrimitive", function(){
ok(!typeReflections.isPrimitive({}), "Object");
ok(typeReflections.isPrimitive(null), "null");
ok(typeReflections.isPrimitive(1), "1");
});
QUnit.test("isBuiltIn", function() {
ok(typeReflections.isBuiltIn(1), "Primitive");
ok(typeReflections.isBuiltIn({}), "Object");
ok(typeReflections.isBuiltIn([]), "Array");
ok(typeReflections.isBuiltIn(function() {}), "Function");
ok(typeReflections.isBuiltIn(new Date()), "Date");
ok(typeReflections.isBuiltIn(/[foo].[bar]/), "RegEx");
if (document) {
ok(typeReflections.isBuiltIn(document.createElement('div')), "Elements");
}
var Foo = function() {}
var customObj = new Foo();
ok(!typeReflections.isBuiltIn(customObj), "Custom Object");
if (testHelpers.mapSupported) {
var map = new Map();
ok(typeReflections.isBuiltIn(map), "Map");
}
});
QUnit.test("isValueLike", function(){
ok(!typeReflections.isValueLike({}), "Object");
ok(!typeReflections.isValueLike(function(){}), "Function");
ok(typeReflections.isValueLike("String"), "String");
var obj = {};
getSetReflections.setKeyValue(obj,canSymbol.for("can.getValue"), true);
ok(typeReflections.isValueLike(obj), "symboled");
var symboled = {};
getSetReflections.setKeyValue(symboled, canSymbol.for("can.isValueLike"), false);
ok(!typeReflections.isValueLike(symboled), "!@@can.isValueLike");
getSetReflections.setKeyValue(symboled, canSymbol.for("can.isValueLike"), true);
ok(typeReflections.isValueLike(symboled), "@@can.isValueLike");
});
QUnit.test("isSymbolLike", function(){
if(typeof Symbol !== "undefined") {
ok(typeReflections.isSymbolLike(Symbol("a symbol")), "Native Symbol");
}
ok(typeReflections.isSymbolLike(canSymbol("another Symbol")), "canSymbol Symbol");
});
QUnit.test("isPromise", function() {
QUnit.ok(!typeReflections.isPromise({}), "Object is not a promise");
QUnit.ok(!typeReflections.isPromise({ catch: function(){}, then: function(){} }), "function with then and catch is not a Promise");
QUnit.ok(typeReflections.isPromise( new Promise(function(){})), "a new Promise() is a Promise");
});
QUnit.test("isConstructor - non enumerable properties on the prototype chain (#18)", function(){
var Constructor = function(){
};
Object.defineProperty(Constructor.prototype, "prop", {
enumerable: false,
value: 1
});
QUnit.ok( typeReflections.isConstructorLike(Constructor), "decorated prototype means constructor");
});
QUnit.test("functions without prototypes (#20)", function(){
var method = (function(){}).bind({});
QUnit.notOk( typeReflections.isConstructorLike(method), "not a constructor");
});
QUnit.test("functions with deep non enumerable properties - non default proto chains (#22)", function(){
var Base = function(){
};
Object.defineProperty(Base.prototype, "prop", {
enumerable: false,
value: 1
});
var Constructor = function(){};
Constructor.prototype = new Base();
Constructor.prototype.constructor = Constructor;
QUnit.ok( typeReflections.isConstructorLike(Constructor), "decorated prototype means constructor");
});
QUnit.test("array -like type is MoreListLikeThanMapLike", function(){
var MyArray = function(values) {
this.push.apply(this, values || []);
};
MyArray.prototype = Object.create(Array.prototype);
MyArray.prototype.constructor = MyArray;
var arr = new MyArray();
QUnit.ok(typeReflections.isMoreListLikeThanMapLike(arr), "is array like");
});