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AngularSpec.js
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'use strict';
describe('angular', function() {
var element;
afterEach(function() {
dealoc(element);
});
describe('case', function() {
it('should change case', function() {
expect(lowercase('ABC90')).toEqual('abc90');
expect(manualLowercase('ABC90')).toEqual('abc90');
expect(uppercase('abc90')).toEqual('ABC90');
expect(manualUppercase('abc90')).toEqual('ABC90');
});
});
describe("copy", function() {
it("should return same object", function() {
var obj = {};
var arr = [];
expect(copy({}, obj)).toBe(obj);
expect(copy([], arr)).toBe(arr);
});
it("should preserve prototype chaining", function() {
var GrandParentProto = {};
var ParentProto = Object.create(GrandParentProto);
var obj = Object.create(ParentProto);
expect(ParentProto.isPrototypeOf(copy(obj))).toBe(true);
expect(GrandParentProto.isPrototypeOf(copy(obj))).toBe(true);
var Foo = function() {};
expect(copy(new Foo()) instanceof Foo).toBe(true);
});
it("should copy Date", function() {
var date = new Date(123);
expect(copy(date) instanceof Date).toBeTruthy();
expect(copy(date).getTime()).toEqual(123);
expect(copy(date) === date).toBeFalsy();
});
it("should copy RegExp", function() {
var re = new RegExp(".*");
expect(copy(re) instanceof RegExp).toBeTruthy();
expect(copy(re).source).toBe(".*");
expect(copy(re) === re).toBe(false);
});
it("should copy literal RegExp", function() {
var re = /.*/;
expect(copy(re) instanceof RegExp).toBeTruthy();
expect(copy(re).source).toEqual(".*");
expect(copy(re) === re).toBeFalsy();
});
it("should copy RegExp with flags", function() {
var re = new RegExp('.*', 'gim');
expect(copy(re).global).toBe(true);
expect(copy(re).ignoreCase).toBe(true);
expect(copy(re).multiline).toBe(true);
});
it("should copy RegExp with lastIndex", function() {
var re = /a+b+/g;
var str = 'ab aabb';
expect(re.exec(str)[0]).toEqual('ab');
expect(copy(re).exec(str)[0]).toEqual('aabb');
});
it("should deeply copy literal RegExp", function() {
var objWithRegExp = {
re: /.*/
};
expect(copy(objWithRegExp).re instanceof RegExp).toBeTruthy();
expect(copy(objWithRegExp).re.source).toEqual(".*");
expect(copy(objWithRegExp.re) === objWithRegExp.re).toBeFalsy();
});
it("should copy a Uint8Array with no destination", function() {
if (typeof Uint8Array !== 'undefined') {
var src = new Uint8Array(2);
src[1] = 1;
var dst = copy(src);
expect(copy(src) instanceof Uint8Array).toBeTruthy();
expect(dst).toEqual(src);
expect(dst).not.toBe(src);
}
});
it("should copy a Uint8ClampedArray with no destination", function() {
if (typeof Uint8ClampedArray !== 'undefined') {
var src = new Uint8ClampedArray(2);
src[1] = 1;
var dst = copy(src);
expect(copy(src) instanceof Uint8ClampedArray).toBeTruthy();
expect(dst).toEqual(src);
expect(dst).not.toBe(src);
}
});
it("should copy a Uint16Array with no destination", function() {
if (typeof Uint16Array !== 'undefined') {
var src = new Uint16Array(2);
src[1] = 1;
var dst = copy(src);
expect(copy(src) instanceof Uint16Array).toBeTruthy();
expect(dst).toEqual(src);
expect(dst).not.toBe(src);
}
});
it("should copy a Uint32Array with no destination", function() {
if (typeof Uint32Array !== 'undefined') {
var src = new Uint32Array(2);
src[1] = 1;
var dst = copy(src);
expect(copy(src) instanceof Uint32Array).toBeTruthy();
expect(dst).toEqual(src);
expect(dst).not.toBe(src);
}
});
it("should copy a Int8Array with no destination", function() {
if (typeof Int8Array !== 'undefined') {
var src = new Int8Array(2);
src[1] = 1;
var dst = copy(src);
expect(copy(src) instanceof Int8Array).toBeTruthy();
expect(dst).toEqual(src);
expect(dst).not.toBe(src);
}
});
it("should copy a Int16Array with no destination", function() {
if (typeof Int16Array !== 'undefined') {
var src = new Int16Array(2);
src[1] = 1;
var dst = copy(src);
expect(copy(src) instanceof Int16Array).toBeTruthy();
expect(dst).toEqual(src);
expect(dst).not.toBe(src);
}
});
it("should copy a Int32Array with no destination", function() {
if (typeof Int32Array !== 'undefined') {
var src = new Int32Array(2);
src[1] = 1;
var dst = copy(src);
expect(copy(src) instanceof Int32Array).toBeTruthy();
expect(dst).toEqual(src);
expect(dst).not.toBe(src);
}
});
it("should copy a Float32Array with no destination", function() {
if (typeof Float32Array !== 'undefined') {
var src = new Float32Array(2);
src[1] = 1;
var dst = copy(src);
expect(copy(src) instanceof Float32Array).toBeTruthy();
expect(dst).toEqual(src);
expect(dst).not.toBe(src);
}
});
it("should copy a Float64Array with no destination", function() {
if (typeof Float64Array !== 'undefined') {
var src = new Float64Array(2);
src[1] = 1;
var dst = copy(src);
expect(copy(src) instanceof Float64Array).toBeTruthy();
expect(dst).toEqual(src);
expect(dst).not.toBe(src);
}
});
it("should throw an exception if a Uint8Array is the destination", function() {
if (typeof Uint8Array !== 'undefined') {
var src = new Uint8Array();
var dst = new Uint8Array(5);
expect(function() { copy(src, dst); })
.toThrowMinErr("ng", "cpta", "Can't copy! TypedArray destination cannot be mutated.");
}
});
it("should throw an exception if a Uint8ClampedArray is the destination", function() {
if (typeof Uint8ClampedArray !== 'undefined') {
var src = new Uint8ClampedArray();
var dst = new Uint8ClampedArray(5);
expect(function() { copy(src, dst); })
.toThrowMinErr("ng", "cpta", "Can't copy! TypedArray destination cannot be mutated.");
}
});
it("should throw an exception if a Uint16Array is the destination", function() {
if (typeof Uint16Array !== 'undefined') {
var src = new Uint16Array();
var dst = new Uint16Array(5);
expect(function() { copy(src, dst); })
.toThrowMinErr("ng", "cpta", "Can't copy! TypedArray destination cannot be mutated.");
}
});
it("should throw an exception if a Uint32Array is the destination", function() {
if (typeof Uint32Array !== 'undefined') {
var src = new Uint32Array();
var dst = new Uint32Array(5);
expect(function() { copy(src, dst); })
.toThrowMinErr("ng", "cpta", "Can't copy! TypedArray destination cannot be mutated.");
}
});
it("should throw an exception if a Int8Array is the destination", function() {
if (typeof Int8Array !== 'undefined') {
var src = new Int8Array();
var dst = new Int8Array(5);
expect(function() { copy(src, dst); })
.toThrowMinErr("ng", "cpta", "Can't copy! TypedArray destination cannot be mutated.");
}
});
it("should throw an exception if a Int16Array is the destination", function() {
if (typeof Int16Array !== 'undefined') {
var src = new Int16Array();
var dst = new Int16Array(5);
expect(function() { copy(src, dst); })
.toThrowMinErr("ng", "cpta", "Can't copy! TypedArray destination cannot be mutated.");
}
});
it("should throw an exception if a Int32Array is the destination", function() {
if (typeof Int32Array !== 'undefined') {
var src = new Int32Array();
var dst = new Int32Array(5);
expect(function() { copy(src, dst); })
.toThrowMinErr("ng", "cpta", "Can't copy! TypedArray destination cannot be mutated.");
}
});
it("should throw an exception if a Float32Array is the destination", function() {
if (typeof Float32Array !== 'undefined') {
var src = new Float32Array();
var dst = new Float32Array(5);
expect(function() { copy(src, dst); })
.toThrowMinErr("ng", "cpta", "Can't copy! TypedArray destination cannot be mutated.");
}
});
it("should throw an exception if a Float64Array is the destination", function() {
if (typeof Float64Array !== 'undefined') {
var src = new Float64Array();
var dst = new Float64Array(5);
expect(function() { copy(src, dst); })
.toThrowMinErr("ng", "cpta", "Can't copy! TypedArray destination cannot be mutated.");
}
});
it("should deeply copy an array into an existing array", function() {
var src = [1, {name:"value"}];
var dst = [{key:"v"}];
expect(copy(src, dst)).toBe(dst);
expect(dst).toEqual([1, {name:"value"}]);
expect(dst[1]).toEqual({name:"value"});
expect(dst[1]).not.toBe(src[1]);
});
it("should deeply copy an array into a new array", function() {
var src = [1, {name:"value"}];
var dst = copy(src);
expect(src).toEqual([1, {name:"value"}]);
expect(dst).toEqual(src);
expect(dst).not.toBe(src);
expect(dst[1]).not.toBe(src[1]);
});
it('should copy empty array', function() {
var src = [];
var dst = [{key: "v"}];
expect(copy(src, dst)).toEqual([]);
expect(dst).toEqual([]);
});
it("should deeply copy an object into an existing object", function() {
var src = {a:{name:"value"}};
var dst = {b:{key:"v"}};
expect(copy(src, dst)).toBe(dst);
expect(dst).toEqual({a:{name:"value"}});
expect(dst.a).toEqual(src.a);
expect(dst.a).not.toBe(src.a);
});
it("should deeply copy an object into a non-existing object", function() {
var src = {a:{name:"value"}};
var dst = copy(src, undefined);
expect(src).toEqual({a:{name:"value"}});
expect(dst).toEqual(src);
expect(dst).not.toBe(src);
expect(dst.a).toEqual(src.a);
expect(dst.a).not.toBe(src.a);
});
it("should copy primitives", function() {
expect(copy(null)).toEqual(null);
expect(copy('')).toBe('');
expect(copy('lala')).toBe('lala');
expect(copy(123)).toEqual(123);
expect(copy([{key:null}])).toEqual([{key:null}]);
});
it('should throw an exception if a Scope is being copied', inject(function($rootScope) {
expect(function() { copy($rootScope.$new()); }).
toThrowMinErr("ng", "cpws", "Can't copy! Making copies of Window or Scope instances is not supported.");
expect(function() { copy({child: $rootScope.$new()}, {}); }).
toThrowMinErr("ng", "cpws", "Can't copy! Making copies of Window or Scope instances is not supported.");
expect(function() { copy([$rootScope.$new()]); }).
toThrowMinErr("ng", "cpws", "Can't copy! Making copies of Window or Scope instances is not supported.");
}));
it('should throw an exception if a Window is being copied', function() {
expect(function() { copy(window); }).
toThrowMinErr("ng", "cpws", "Can't copy! Making copies of Window or Scope instances is not supported.");
expect(function() { copy({child: window}); }).
toThrowMinErr("ng", "cpws", "Can't copy! Making copies of Window or Scope instances is not supported.");
expect(function() { copy([window], []); }).
toThrowMinErr("ng", "cpws", "Can't copy! Making copies of Window or Scope instances is not supported.");
});
it('should throw an exception when source and destination are equivalent', function() {
var src, dst;
src = dst = {key: 'value'};
expect(function() { copy(src, dst); }).toThrowMinErr("ng", "cpi", "Can't copy! Source and destination are identical.");
src = dst = [2, 4];
expect(function() { copy(src, dst); }).toThrowMinErr("ng", "cpi", "Can't copy! Source and destination are identical.");
});
it('should not copy the private $$hashKey', function() {
var src,dst;
src = {};
hashKey(src);
dst = copy(src);
expect(hashKey(dst)).not.toEqual(hashKey(src));
src = {foo: {}};
hashKey(src.foo);
dst = copy(src);
expect(hashKey(src.foo)).not.toEqual(hashKey(dst.foo));
});
it('should retain the previous $$hashKey when copying object with hashKey', function() {
var src,dst,h;
src = {};
dst = {};
// force creation of a hashkey
h = hashKey(dst);
hashKey(src);
dst = copy(src,dst);
// make sure we don't copy the key
expect(hashKey(dst)).not.toEqual(hashKey(src));
// make sure we retain the old key
expect(hashKey(dst)).toEqual(h);
});
it('should retain the previous $$hashKey when copying non-object', function() {
var dst = {};
var h = hashKey(dst);
copy(null, dst);
expect(hashKey(dst)).toEqual(h);
copy(42, dst);
expect(hashKey(dst)).toEqual(h);
copy(new Date(), dst);
expect(hashKey(dst)).toEqual(h);
});
it('should handle circular references', function() {
var a = {b: {a: null}, self: null, selfs: [null, null, [null]]};
a.b.a = a;
a.self = a;
a.selfs = [a, a.b, [a]];
var aCopy = copy(a, null);
expect(aCopy).toEqual(a);
expect(aCopy).not.toBe(a);
expect(aCopy).toBe(aCopy.self);
expect(aCopy).toBe(aCopy.selfs[2][0]);
expect(aCopy.selfs[2]).not.toBe(a.selfs[2]);
var copyTo = [];
aCopy = copy(a, copyTo);
expect(aCopy).toBe(copyTo);
expect(aCopy).not.toBe(a);
expect(aCopy).toBe(aCopy.self);
});
it('should deeply copy XML nodes', function() {
var anElement = document.createElement('foo');
anElement.appendChild(document.createElement('bar'));
var theCopy = anElement.cloneNode(true);
expect(copy(anElement).outerHTML).toEqual(theCopy.outerHTML);
expect(copy(anElement)).not.toBe(anElement);
});
it('should not try to call a non-function called `cloneNode`', function() {
expect(copy.bind(null, { cloneNode: 100 })).not.toThrow();
});
it('should handle objects with multiple references', function() {
var b = {};
var a = [b, -1, b];
var aCopy = copy(a);
expect(aCopy[0]).not.toBe(a[0]);
expect(aCopy[0]).toBe(aCopy[2]);
var copyTo = [];
aCopy = copy(a, copyTo);
expect(aCopy).toBe(copyTo);
expect(aCopy[0]).not.toBe(a[0]);
expect(aCopy[0]).toBe(aCopy[2]);
});
it('should handle date/regex objects with multiple references', function() {
var re = /foo/;
var d = new Date();
var o = {re: re, re2: re, d: d, d2: d};
var oCopy = copy(o);
expect(oCopy.re).toBe(oCopy.re2);
expect(oCopy.d).toBe(oCopy.d2);
oCopy = copy(o, {});
expect(oCopy.re).toBe(oCopy.re2);
expect(oCopy.d).toBe(oCopy.d2);
});
it('should clear destination arrays correctly when source is non-array', function() {
expect(copy(null, [1,2,3])).toEqual([]);
expect(copy(undefined, [1,2,3])).toEqual([]);
expect(copy({0: 1, 1: 2}, [1,2,3])).toEqual([1,2]);
expect(copy(new Date(), [1,2,3])).toEqual([]);
expect(copy(/a/, [1,2,3])).toEqual([]);
expect(copy(true, [1,2,3])).toEqual([]);
});
it('should clear destination objects correctly when source is non-array', function() {
expect(copy(null, {0:1,1:2,2:3})).toEqual({});
expect(copy(undefined, {0:1,1:2,2:3})).toEqual({});
expect(copy(new Date(), {0:1,1:2,2:3})).toEqual({});
expect(copy(/a/, {0:1,1:2,2:3})).toEqual({});
expect(copy(true, {0:1,1:2,2:3})).toEqual({});
});
it('should copy objects with no prototype parent', function() {
var obj = extend(Object.create(null), {
a: 1,
b: 2,
c: 3
});
var dest = copy(obj);
expect(Object.getPrototypeOf(dest)).toBe(null);
expect(dest.a).toBe(1);
expect(dest.b).toBe(2);
expect(dest.c).toBe(3);
expect(Object.keys(dest)).toEqual(['a', 'b', 'c']);
});
});
describe("extend", function() {
it('should not copy the private $$hashKey', function() {
var src,dst;
src = {};
dst = {};
hashKey(src);
dst = extend(dst,src);
expect(hashKey(dst)).not.toEqual(hashKey(src));
});
it('should retain the previous $$hashKey', function() {
var src,dst,h;
src = {};
dst = {};
h = hashKey(dst);
hashKey(src);
dst = extend(dst,src);
// make sure we don't copy the key
expect(hashKey(dst)).not.toEqual(hashKey(src));
// make sure we retain the old key
expect(hashKey(dst)).toEqual(h);
});
it('should work when extending with itself', function() {
var src,dst,h;
dst = src = {};
h = hashKey(dst);
dst = extend(dst,src);
// make sure we retain the old key
expect(hashKey(dst)).toEqual(h);
});
});
describe('shallow copy', function() {
it('should make a copy', function() {
var original = {key:{}};
var copy = shallowCopy(original);
expect(copy).toEqual(original);
expect(copy.key).toBe(original.key);
});
it('should omit "$$"-prefixed properties', function() {
var original = {$$some: true, $$: true};
var clone = {};
expect(shallowCopy(original, clone)).toBe(clone);
expect(clone.$$some).toBeUndefined();
expect(clone.$$).toBeUndefined();
});
it('should copy "$"-prefixed properties from copy', function() {
var original = {$some: true};
var clone = {};
expect(shallowCopy(original, clone)).toBe(clone);
expect(clone.$some).toBe(original.$some);
});
it('should handle arrays', function() {
var original = [{}, 1],
clone = [];
var aCopy = shallowCopy(original);
expect(aCopy).not.toBe(original);
expect(aCopy).toEqual(original);
expect(aCopy[0]).toBe(original[0]);
expect(shallowCopy(original, clone)).toBe(clone);
expect(clone).toEqual(original);
});
it('should handle primitives', function() {
expect(shallowCopy('test')).toBe('test');
expect(shallowCopy(3)).toBe(3);
expect(shallowCopy(true)).toBe(true);
});
});
describe('elementHTML', function() {
it('should dump element', function() {
expect(startingTag('<div attr="123">something<span></span></div>')).
toEqual('<div attr="123">');
});
});
describe('equals', function() {
it('should return true if same object', function() {
var o = {};
expect(equals(o, o)).toEqual(true);
expect(equals(o, {})).toEqual(true);
expect(equals(1, '1')).toEqual(false);
expect(equals(1, '2')).toEqual(false);
});
it('should recurse into object', function() {
expect(equals({}, {})).toEqual(true);
expect(equals({name:'misko'}, {name:'misko'})).toEqual(true);
expect(equals({name:'misko', age:1}, {name:'misko'})).toEqual(false);
expect(equals({name:'misko'}, {name:'misko', age:1})).toEqual(false);
expect(equals({name:'misko'}, {name:'adam'})).toEqual(false);
expect(equals(['misko'], ['misko'])).toEqual(true);
expect(equals(['misko'], ['adam'])).toEqual(false);
expect(equals(['misko'], ['misko', 'adam'])).toEqual(false);
});
it('should ignore undefined member variables during comparison', function() {
var obj1 = {name: 'misko'},
obj2 = {name: 'misko', undefinedvar: undefined};
expect(equals(obj1, obj2)).toBe(true);
expect(equals(obj2, obj1)).toBe(true);
});
it('should ignore $ member variables', function() {
expect(equals({name:'misko', $id:1}, {name:'misko', $id:2})).toEqual(true);
expect(equals({name:'misko'}, {name:'misko', $id:2})).toEqual(true);
expect(equals({name:'misko', $id:1}, {name:'misko'})).toEqual(true);
});
it('should ignore functions', function() {
expect(equals({func: function() {}}, {bar: function() {}})).toEqual(true);
});
it('should work well with nulls', function() {
expect(equals(null, '123')).toBe(false);
expect(equals('123', null)).toBe(false);
var obj = {foo:'bar'};
expect(equals(null, obj)).toBe(false);
expect(equals(obj, null)).toBe(false);
expect(equals(null, null)).toBe(true);
});
it('should work well with undefined', function() {
expect(equals(undefined, '123')).toBe(false);
expect(equals('123', undefined)).toBe(false);
var obj = {foo:'bar'};
expect(equals(undefined, obj)).toBe(false);
expect(equals(obj, undefined)).toBe(false);
expect(equals(undefined, undefined)).toBe(true);
});
it('should treat two NaNs as equal', function() {
expect(equals(NaN, NaN)).toBe(true);
});
it('should compare Scope instances only by identity', inject(function($rootScope) {
var scope1 = $rootScope.$new(),
scope2 = $rootScope.$new();
expect(equals(scope1, scope1)).toBe(true);
expect(equals(scope1, scope2)).toBe(false);
expect(equals($rootScope, scope1)).toBe(false);
expect(equals(undefined, scope1)).toBe(false);
}));
it('should compare Window instances only by identity', function() {
expect(equals(window, window)).toBe(true);
expect(equals(window, window.parent)).toBe(false);
expect(equals(window, undefined)).toBe(false);
});
it('should compare dates', function() {
expect(equals(new Date(0), new Date(0))).toBe(true);
expect(equals(new Date(0), new Date(1))).toBe(false);
expect(equals(new Date(0), 0)).toBe(false);
expect(equals(0, new Date(0))).toBe(false);
expect(equals(new Date(undefined), new Date(undefined))).toBe(true);
expect(equals(new Date(undefined), new Date(0))).toBe(false);
expect(equals(new Date(undefined), new Date(null))).toBe(false);
expect(equals(new Date(undefined), new Date('wrong'))).toBe(true);
expect(equals(new Date(), /abc/)).toBe(false);
});
it('should correctly test for keys that are present on Object.prototype', function() {
/* jshint -W001 */
expect(equals({}, {hasOwnProperty: 1})).toBe(false);
expect(equals({}, {toString: null})).toBe(false);
});
it('should compare regular expressions', function() {
expect(equals(/abc/, /abc/)).toBe(true);
expect(equals(/abc/i, new RegExp('abc', 'i'))).toBe(true);
expect(equals(new RegExp('abc', 'i'), new RegExp('abc', 'i'))).toBe(true);
expect(equals(new RegExp('abc', 'i'), new RegExp('abc'))).toBe(false);
expect(equals(/abc/i, /abc/)).toBe(false);
expect(equals(/abc/, /def/)).toBe(false);
expect(equals(/^abc/, /abc/)).toBe(false);
expect(equals(/^abc/, '/^abc/')).toBe(false);
expect(equals(/abc/, new Date())).toBe(false);
});
it('should return false when comparing an object and an array', function() {
expect(equals({}, [])).toBe(false);
expect(equals([], {})).toBe(false);
});
it('should return false when comparing an object and a RegExp', function() {
expect(equals({}, /abc/)).toBe(false);
expect(equals({}, new RegExp('abc', 'i'))).toBe(false);
});
it('should return false when comparing an object and a Date', function() {
expect(equals({}, new Date())).toBe(false);
});
});
describe('csp', function() {
var originalFunction;
beforeEach(function() {
originalFunction = window.Function;
});
afterEach(function() {
window.Function = originalFunction;
delete csp.isActive_;
});
it('should return the false when CSP is not enabled (the default)', function() {
expect(csp()).toBe(false);
});
it('should return true if CSP is autodetected via CSP v1.1 securityPolicy.isActive property', function() {
window.Function = function() { throw new Error('CSP test'); };
expect(csp()).toBe(true);
});
it('should return the true when CSP is enabled manually via [ng-csp]', function() {
spyOn(document, 'querySelector').andCallFake(function(selector) {
if (selector == '[ng-csp]') return {};
});
expect(csp()).toBe(true);
});
it('should return the true when CSP is enabled manually via [data-ng-csp]', function() {
spyOn(document, 'querySelector').andCallFake(function(selector) {
if (selector == '[data-ng-csp]') return {};
});
expect(csp()).toBe(true);
expect(document.querySelector).toHaveBeenCalledWith('[data-ng-csp]');
});
});
describe('parseKeyValue', function() {
it('should parse a string into key-value pairs', function() {
expect(parseKeyValue('')).toEqual({});
expect(parseKeyValue('simple=pair')).toEqual({simple: 'pair'});
expect(parseKeyValue('first=1&second=2')).toEqual({first: '1', second: '2'});
expect(parseKeyValue('escaped%20key=escaped%20value')).
toEqual({'escaped key': 'escaped value'});
expect(parseKeyValue('emptyKey=')).toEqual({emptyKey: ''});
expect(parseKeyValue('flag1&key=value&flag2')).
toEqual({flag1: true, key: 'value', flag2: true});
});
it('should ignore key values that are not valid URI components', function() {
expect(function() { parseKeyValue('%'); }).not.toThrow();
expect(parseKeyValue('%')).toEqual({});
expect(parseKeyValue('invalid=%')).toEqual({ invalid: undefined });
expect(parseKeyValue('invalid=%&valid=good')).toEqual({ invalid: undefined, valid: 'good' });
});
it('should parse a string into key-value pairs with duplicates grouped in an array', function() {
expect(parseKeyValue('')).toEqual({});
expect(parseKeyValue('duplicate=pair')).toEqual({duplicate: 'pair'});
expect(parseKeyValue('first=1&first=2')).toEqual({first: ['1','2']});
expect(parseKeyValue('escaped%20key=escaped%20value&&escaped%20key=escaped%20value2')).
toEqual({'escaped key': ['escaped value','escaped value2']});
expect(parseKeyValue('flag1&key=value&flag1')).
toEqual({flag1: [true,true], key: 'value'});
expect(parseKeyValue('flag1&flag1=value&flag1=value2&flag1')).
toEqual({flag1: [true,'value','value2',true]});
});
it('should ignore properties higher in the prototype chain', function() {
expect(parseKeyValue('toString=123')).toEqual({
'toString': '123'
});
});
});
describe('toKeyValue', function() {
it('should serialize key-value pairs into string', function() {
expect(toKeyValue({})).toEqual('');
expect(toKeyValue({simple: 'pair'})).toEqual('simple=pair');
expect(toKeyValue({first: '1', second: '2'})).toEqual('first=1&second=2');
expect(toKeyValue({'escaped key': 'escaped value'})).
toEqual('escaped%20key=escaped%20value');
expect(toKeyValue({emptyKey: ''})).toEqual('emptyKey=');
});
it('should serialize true values into flags', function() {
expect(toKeyValue({flag1: true, key: 'value', flag2: true})).toEqual('flag1&key=value&flag2');
});
it('should serialize duplicates into duplicate param strings', function() {
expect(toKeyValue({key: [323,'value',true]})).toEqual('key=323&key=value&key');
expect(toKeyValue({key: [323,'value',true, 1234]})).
toEqual('key=323&key=value&key&key=1234');
});
});
describe('forEach', function() {
it('should iterate over *own* object properties', function() {
function MyObj() {
this.bar = 'barVal';
this.baz = 'bazVal';
}
MyObj.prototype.foo = 'fooVal';
var obj = new MyObj(),
log = [];
forEach(obj, function(value, key) { log.push(key + ':' + value); });
expect(log).toEqual(['bar:barVal', 'baz:bazVal']);
});
it('should not break if obj is an array we override hasOwnProperty', function() {
/* jshint -W001 */
var obj = [];
obj[0] = 1;
obj[1] = 2;
obj.hasOwnProperty = null;
var log = [];
forEach(obj, function(value, key) {
log.push(key + ':' + value);
});
expect(log).toEqual(['0:1', '1:2']);
});
it('should handle JQLite and jQuery objects like arrays', function() {
var jqObject = jqLite("<p><span>s1</span><span>s2</span></p>").find("span"),
log = [];
forEach(jqObject, function(value, key) { log.push(key + ':' + value.innerHTML); });
expect(log).toEqual(['0:s1', '1:s2']);
});
it('should handle NodeList objects like arrays', function() {
var nodeList = jqLite("<p><span>a</span><span>b</span><span>c</span></p>")[0].childNodes,
log = [];
forEach(nodeList, function(value, key) { log.push(key + ':' + value.innerHTML); });
expect(log).toEqual(['0:a', '1:b', '2:c']);
});
it('should handle HTMLCollection objects like arrays', function() {
document.body.innerHTML = "<p>" +
"<a name='x'>a</a>" +
"<a name='y'>b</a>" +
"<a name='x'>c</a>" +
"</p>";
var htmlCollection = document.getElementsByName('x'),
log = [];
forEach(htmlCollection, function(value, key) { log.push(key + ':' + value.innerHTML); });
expect(log).toEqual(['0:a', '1:c']);
});
if (document.querySelectorAll) {
it('should handle the result of querySelectorAll in IE8 as it has no hasOwnProperty function', function() {
document.body.innerHTML = "<p>" +
"<a name='x'>a</a>" +
"<a name='y'>b</a>" +
"<a name='x'>c</a>" +
"</p>";
var htmlCollection = document.querySelectorAll('[name="x"]'),
log = [];
forEach(htmlCollection, function(value, key) { log.push(key + ':' + value.innerHTML); });
expect(log).toEqual(['0:a', '1:c']);
});
}
it('should handle arguments objects like arrays', function() {
var args,
log = [];
(function() { args = arguments; }('a', 'b', 'c'));
forEach(args, function(value, key) { log.push(key + ':' + value); });
expect(log).toEqual(['0:a', '1:b', '2:c']);
});
it('should handle string values like arrays', function() {
var log = [];
forEach('bar', function(value, key) { log.push(key + ':' + value); });
expect(log).toEqual(['0:b', '1:a', '2:r']);
});
it('should handle objects with length property as objects', function() {
var obj = {
'foo': 'bar',
'length': 2
},
log = [];
forEach(obj, function(value, key) { log.push(key + ':' + value); });
expect(log).toEqual(['foo:bar', 'length:2']);
});
it('should handle objects of custom types with length property as objects', function() {
function CustomType() {
this.length = 2;
this.foo = 'bar';
}
var obj = new CustomType(),
log = [];
forEach(obj, function(value, key) { log.push(key + ':' + value); });
expect(log).toEqual(['length:2', 'foo:bar']);
});
it('should not invoke the iterator for indexed properties which are not present in the collection', function() {
var log = [];
var collection = [];
collection[5] = 'SPARSE';
forEach(collection, function(item, index) {
log.push(item + index);
});
expect(log.length).toBe(1);
expect(log[0]).toBe('SPARSE5');
});
describe('ES spec api compliance', function() {
function testForEachSpec(expectedSize, collection) {
var that = {};
forEach(collection, function(value, key, collectionArg) {
expect(collectionArg).toBe(collection);
expect(collectionArg[key]).toBe(value);
expect(this).toBe(that);
expectedSize--;
}, that);
expect(expectedSize).toBe(0);
}
it('should follow the ES spec when called with array', function() {
testForEachSpec(2, [1,2]);
});
it('should follow the ES spec when called with arguments', function() {
testForEachSpec(2, (function() { return arguments; }(1,2)));
});
it('should follow the ES spec when called with string', function() {
testForEachSpec(2, '12');
});
it('should follow the ES spec when called with jQuery/jqLite', function() {
testForEachSpec(2, jqLite("<span>a</span><span>b</span>"));
});
it('should follow the ES spec when called with childNodes NodeList', function() {
testForEachSpec(2, jqLite("<p><span>a</span><span>b</span></p>")[0].childNodes);
});
it('should follow the ES spec when called with getElementsByTagName HTMLCollection', function() {
testForEachSpec(2, jqLite("<p><span>a</span><span>b</span></p>")[0].getElementsByTagName("*"));
});
it('should follow the ES spec when called with querySelectorAll HTMLCollection', function() {
testForEachSpec(2, jqLite("<p><span>a</span><span>b</span></p>")[0].querySelectorAll("*"));
});
it('should follow the ES spec when called with JSON', function() {
testForEachSpec(2, {a: 1, b: 2});
});
it('should follow the ES spec when called with function', function() {
function f() {}
f.a = 1;
f.b = 2;
testForEachSpec(2, f);
});
});
});
describe('sortedKeys', function() {
it('should collect keys from object', function() {
expect(sortedKeys({c:0, b:0, a:0})).toEqual(['a', 'b', 'c']);
});
});