XCTest Swift-如何更快或更精确地滑动? [英] XCTest Swift - How do I swipe faster or more precisely?

问题描述

我在XCTest中使用Swift进行了测试，我试图在Feed中滑动，直到满足条件为止.我正在使用swipeUp()，但问题是它的动作就像人的滑动动作一样，放开时会放慢脚步，令人痛苦.在减速动画完成之前，它不会再次尝试滑动.此外，该方法不带任何参数.我想看看是否有类似Calabash的东西，或者甚至拍摄了Android Espresso，其中有swipeUp(fast)或swipeUp(medium)甚至swipeUp(x0,y200)这样的滑动方法的属性.

I have tests in XCTest using Swift and I am trying to swipe through a feed until a condition is met. I am using the swipeUp(), but the problem with this is it acts like a human swipe and has this painful animation of slowing down when it lets go. It doesn't try the swipe again until the slowing-down-animation is complete. Additionally, that method takes no arguments. I would like to see if there is something like Calabash or shoot even Androids Espresso where there are properties to a swipe method like swipeUp(fast) or swipeUp(medium) or even swipeUp(x0,y200).

这是我要在代码中尝试做的事情:

Here is what I am trying to do in code:

    func scrollDownUntilYouFindSomething() {
    while !findingSomehting.exists {
        app.swipeUp()
    }
}

足够简单，但是XCUIApplication中的swipeUp()非常慢.我希望能够以精确度甚至是坐标滑动.我尝试使用来自复制拉动以在XCTest UI中刷新的坐标方法测试

Simple enough, but the swipeUp() in XCUIApplication is painfully slow. I want to be able to swipe with precision and even by coordinate. I tried to use the coordinate approach taken from Replicate pull to refresh in XCTest UI testing

，但是放入循环时同样慢.

but its equally as slow when put into a loop.

推荐答案

我基于Bharathram C给出的出色答案编写了扩展.

I wrote an extension based on the excellent answer given by Bharathram C.

我发现它比XCUIElement.swipeUp()轻扫得多

I find it to be a much gentler swipe than XCUIElement.swipeUp()

//  XCUIElement+GentleSwipe.swift

import Foundation
import XCTest

extension XCUIElement
{
    enum direction : Int {
        case Up, Down, Left, Right
    }

    func gentleSwipe(_ direction : direction) {
        let half : CGFloat = 0.5
        let adjustment : CGFloat = 0.25
        let pressDuration : TimeInterval = 0.05

        let lessThanHalf = half - adjustment
        let moreThanHalf = half + adjustment

        let centre = self.coordinate(withNormalizedOffset: CGVector(dx: half, dy: half))
        let aboveCentre = self.coordinate(withNormalizedOffset: CGVector(dx: half, dy: lessThanHalf))
        let belowCentre = self.coordinate(withNormalizedOffset: CGVector(dx: half, dy: moreThanHalf))
        let leftOfCentre = self.coordinate(withNormalizedOffset: CGVector(dx: lessThanHalf, dy: half))
        let rightOfCentre = self.coordinate(withNormalizedOffset: CGVector(dx: moreThanHalf, dy: half))

        switch direction {
        case .Up:
            centre.press(forDuration: pressDuration, thenDragTo: aboveCentre)
            break
        case .Down:
            centre.press(forDuration: pressDuration, thenDragTo: belowCentre)
            break
        case .Left:
            centre.press(forDuration: pressDuration, thenDragTo: leftOfCentre)
            break
        case .Right:
            centre.press(forDuration: pressDuration, thenDragTo: rightOfCentre)
            break
        }
    }
}

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