How to tap on a specific point using Xcode UITests

You can tap a specific point with the XCUICoordinate API. Unfortunately you can't just say "tap 10,10" referencing a pixel coordinate. You will need to create the coordinate with a relative offset to an actual view.

We can use the mentioned web view to interact with the relative coordinate.

let app = XCUIApplication()
let webView = app.webViews.element
let coordinate = webView.coordinateWithNormalizedOffset(CGVector(dx: 10, dy: 10))
coordinate.tap()

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Side note, but have you tried interacting with the web view directly? I've had a lot of success using app.links["Link title"].tap() or app.staticTexts["A different link title"].tap(). Here's a demo app I put together demonstrating interacting with a web view.

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Update: As Michal W. pointed out in the comments, you can now tap a coordinate directly, without worrying about normalizing the offset.

let normalized = webView.coordinate(withNormalizedOffset: CGVector(dx: 0, dy: 0))
let coordinate = normalized.withOffset(CGVector(dx: 10, dy: 10))
coordinate.tap()

Notice that I pass 0,0 to the normalized vector and then the actual point, 10,10, to the second call.

@joe To go a little further off of Joe Masilotti's approach I put mine in an extensionand gave prepositional phrases to the global and local params.

func tapCoordinate(at xCoordinate: Double, and yCoordinate: Double) {
    let normalized = app.coordinate(withNormalizedOffset: CGVector(dx: 0, dy: 0))
    let coordinate = normalized.withOffset(CGVector(dx: xCoordinate, dy: yCoordinate))
    coordinate.tap()
}

By giving the global an identifiable name I can easily understand the instance for example:

tapCoordinate(at x: 100, and y: 200)