Code for automating the opening of a folder in a UI Swift Test

openFolderInOpenPanel.swift

import XCTest

func openFolderInOpenPanel(folderName: String) {
    let openPanel = XCUIApplication().dialogs["open-panel"]
    XCTAssertTrue(openPanel.exists, "Open Panel is visible.")
    XCTAssertTrue(openPanel.isHittable, "Open Panel is hittable.")

    let openPanelOpenButton = openPanel.buttons["OKButton"]
    XCTAssertTrue(openPanelOpenButton.exists, "Open Panel Open Button is visible.")
    XCTAssertTrue(openPanelOpenButton.isHittable, "Open Panel Open Button is hittable.")

    let openPanelSearchBox = openPanel.searchFields.firstMatch
    XCTAssertTrue(openPanelSearchBox.exists, "Open Panel Search Box is visible.")
    XCTAssertTrue(openPanelSearchBox.isHittable, "Open Panel Search Box hittable.")
    openPanelSearchBox.tap()
    openPanelSearchBox.typeText(folderName)

    let validFolder = openPanel.textFields[folderName]

    wait(for: [
        expectation(for: NSPredicate(format: "exists == true"), evaluatedWith: validFolder),
        expectation(for: NSPredicate(format: "isHittable == true"), evaluatedWith: validFolder)
    ], timeout: 10)

    validFolder.tap()
    openPanelOpenButton.tap()
}