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'use strict';
describe('$sniffer', function() {
function sniffer($window, $document) {
$window.navigator = {};
$document = jqLite($document || {});
if (!$document[0].body) {
$document[0].body = window.document.body;
}
return new $SnifferProvider().$get[2]($window, $document);
}
describe('history', function() {
it('should be true if history.pushState defined', function() {
expect(sniffer({history: {pushState: noop, replaceState: noop}}).history).toBe(true);
});
it('should be false if history or pushState not defined', function() {
expect(sniffer({history: {}}).history).toBe(false);
expect(sniffer({}).history).toBe(false);
});
});
describe('hashchange', function() {
it('should be true if onhashchange property defined', function() {
expect(sniffer({onhashchange: true}).hashchange).toBe(true);
});
it('should be false if onhashchange property not defined', function() {
expect(sniffer({}).hashchange).toBe(false);
});
it('should be false if documentMode is 7 (IE8 comp mode)', function() {
expect(sniffer({onhashchange: true}, {documentMode: 7}).hashchange).toBe(false);
});
});
describe('hasEvent', function() {
var mockDocument, mockDivElement, $sniffer;
beforeEach(function() {
mockDocument = {createElement: jasmine.createSpy('createElement')};
mockDocument.createElement.andCallFake(function(elm) {
if (elm === 'div') return mockDivElement;
});
$sniffer = sniffer({}, mockDocument);
});
it('should return true if "onchange" is present in a div element', function() {
mockDivElement = {onchange: noop};
expect($sniffer.hasEvent('change')).toBe(true);
});
it('should return false if "oninput" is not present in a div element', function() {
mockDivElement = {};
expect($sniffer.hasEvent('input')).toBe(false);
});
it('should only create the element once', function() {
mockDivElement = {};
$sniffer.hasEvent('change');
$sniffer.hasEvent('change');
$sniffer.hasEvent('change');
expect(mockDocument.createElement).toHaveBeenCalledOnce();
});
it('should claim that IE9 doesn\'t have support for "oninput"', function() {
// IE9 implementation is fubared, so it's better to pretend that it doesn't have the support
mockDivElement = {oninput: noop};
expect($sniffer.hasEvent('input')).toBe((msie == 9) ? false : true);
});
});
describe('csp', function() {
it('should be false if document.securityPolicy.isActive not available', function() {
expect(sniffer({}).csp).toBe(false);
});
it('should use document.securityPolicy.isActive if available', function() {
var createDocumentWithCSP = function(csp) {
return {securityPolicy: {isActive: csp}};
};
expect(sniffer({}, createDocumentWithCSP(false)).csp).toBe(false);
expect(sniffer({}, createDocumentWithCSP(true)).csp).toBe(true);
});
});
describe('vendorPrefix', function() {
it('should return the correct vendor prefix based on the browser', function() {
inject(function($sniffer, $window) {
var expectedPrefix;
var ua = $window.navigator.userAgent.toLowerCase();
if(/chrome/i.test(ua) || /safari/i.test(ua) || /webkit/i.test(ua)) {
expectedPrefix = 'Webkit';
}
else if(/firefox/i.test(ua)) {
expectedPrefix = 'Moz';
}
else if(/ie/i.test(ua)) {
expectedPrefix = 'Ms';
}
else if(/opera/i.test(ua)) {
expectedPrefix = 'O';
}
expect($sniffer.vendorPrefix).toBe(expectedPrefix);
});
});
});
describe('supportsTransitions', function() {
it('should be either true or false', function() {
inject(function($sniffer) {
expect($sniffer.supportsTransitions).not.toBe(undefined);
});
});
});
});
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