Xcode UITesting - how to move UISlider?

Question

Is there a way to move UISlider under UITests target in Xcode? I really need to move it from code. Is it possible?

Answer 1

1. Get your slider:

   let app = XCUIApplication()
   let timeSlider = app.sliders["timeSlider"]
   

2. Adjust its value:

   timeSlider.adjustToNormalizedSliderPosition(0.9)
   

Answer 2

I made this extension based on this answer to fix the adjustToNormalizedSliderPosition problem.

import XCTest

extension XCUIElement {

    open func adjust(toNormalizedSliderValue normalizedSliderValue: CGFloat) {
        let start = coordinate(withNormalizedOffset: CGVector(dx: 0.0, dy: 0.0))
        let end = coordinate(withNormalizedOffset: CGVector(dx: normalizedSliderValue, dy: 0.0))
        start.press(forDuration: 0.05, thenDragTo: end)
    }

}

Then you only have to call instead:

app.sliders["Your Slider Identifier"].adjust(toNormalizedSliderValue: 0.5)

Here you can find some other useful tips for Xcode UITesting:

https://github.com/joemasilotti/UI-Testing-Cheat-Sheet