Testing 如何将浏览器内置变量重新定义为特定值以测试模块?
我怎么能用茉莉花来测试呢Testing 如何将浏览器内置变量重新定义为特定值以测试模块?,testing,jasmine,bdd,jasmine2.0,Testing,Jasmine,Bdd,Jasmine2.0,我怎么能用茉莉花来测试呢 /** Function for detecting if user uses IE-Browser */ Cemcloud.detectIE = function () { var ua = window.navigator.userAgent; var msie = ua.indexOf('MSIE '); if (msie > 0) { // IE 10 or older => return version n
/** Function for detecting if user uses IE-Browser */
Cemcloud.detectIE = function () {
var ua = window.navigator.userAgent;
var msie = ua.indexOf('MSIE ');
if (msie > 0) {
// IE 10 or older => return version number
return parseInt(ua.substring(msie + 5, ua.indexOf('.', msie)), 10);
}
var trident = ua.indexOf('Trident/');
if (trident > 0) {
// IE 11 => return version number
var rv = ua.indexOf('rv:');
return parseInt(ua.substring(rv + 3, ua.indexOf('.', rv)), 10);
}
var edge = ua.indexOf('Edge/');
if (edge > 0) {
// IE 12 => return version number
return parseInt(ua.substring(edge + 5, ua.indexOf('.', edge)), 10);
}
// other browser
return false;
};
如果设置var msie=“msie”,如何测试此函数;
这样我就知道它返回数字了
it('should be able to test function detectIE', function(){
var Cemcloud = Cemcloud.detectIE();
var ua = 'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36';
var msie = 'MSIE ';
var trident = 'Trident/';
expect(Cemcloud).toNumber();
expect(Cemcloud).toContain('Trident/');
});
我想测试我的代码是否进入if-else语句,这意味着我需要设置var-msie,但我不知道如何在方法中设置它 我建议创建一个简单的facade/wrapper对象,其函数只返回window.navigator.userAgent
的值。然后,您可以监视包装器对象的函数并返回所需的内容。可能重复的