以下代码用于使用Protractor测试angular-Gridster应用程序的拖放方向。
我是下面这些函数调用的新手，有人会足够友善地解释Evaluate（）的重要性吗？API定义太混乱了，而dragAndDrop（）呢？ -在任何地方都找不到此功能
describe('DragAndDrop Test', function () {
require('jasmine-expect');
beforeAll(function () {
context = new Context();
context.get();
browser.waitForAngular();
browser.driver.manage().window().maximize();
});
it('should drag and drop a tile', function () {
//target is where we are dragging the box to. Box is the Box
var target = { x: 400, y: 400 };
var box = element(by.css('.ng-scope.gridster-item'));
//scope is going to hold the scope variables that tell us where the box is located
//see the documentation for angular gridster on github for info on scope variable
//get the standardItems Scope
box.evaluate('standardItems').then(function (scope) {
//make sure the box we are using is in column 0 and Row 0
expect(scope[0].col).toEqual(0);
expect(scope[0].row).toEqual(0);
});
//drag and drop the box somewhere else.
browser.actions().dragAndDrop(box, target).perform();
browser.waitForAngular();
//get the updated scope
box.evaluate('standardItems').then(function (scope) {
//test to see that the box was actually moved to column and row 2, better test
expect(scope[0].col).toEqual(2);
expect(scope[0].row).toEqual(2);
});
//this is to test the pixel location which is not the best
box.getLocation().then(function (location) {
expect(location.x).toEqual(476);
});
});
});
var Context = function () {
//load the website
this.get = function () {
browser.get('https://rawgit.com/ManifestWebDesign/angular-gridster/master/index.html#/main');
};
};
最佳答案
evaluate()将在您调用它的元素范围内评估表达式。在需要访问范围中的特定变量时很有用：
评估输入是否好像在当前元素的范围内。dragAndDrop()是“浏览器操作”，并且是从WebDriverJS继承的（请记住，量角器是建立在WebDriverJS之上的）：
便捷功能，用于执行“拖放”操作。的
目标元素可以移动到另一个元素的位置，或者通过
偏移量（以像素为单位）。
关于javascript - 有人可以解释以下Angular测试代码中调用了什么validate()和dragAndDrop()吗？，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/36973216/