在XCTest UI测试中复制pull以刷新 [英] Replicate pull to refresh in XCTest UI testing

问题描述

我正在尝试使用Xcode 7中的新Xcode UI测试框架（beta 3）复制一个用于刷新 UITableView 的拉动

我当前的方法是从表中拖动到我能找到的表下面的任何元素。当表格下方有固定项目时，如 UIToolbar 或 UITabBar 我宁愿不依赖于 UITabBar 或 UIToolbar 但我无法找到一种方法来执行拉动以刷新/拖动动作而不使用 XCUIElement 中的方法。

  func pressForDuration（持续时间：NSTimeInterval，thenDragToElement otherElement ：XCUIElement）
  

但是当我没有工具栏/标签栏并尝试使用单元格拖动时它失败

这是我的代码的相关部分：

  func testRefresh（）{
 //用于测试单元格
 for _ in 0 ... 9 {
 addCell（）
} 
 refreshTable（）
} 
 
 func refreshTable（var tbl ：XCUIElem耳鼻喉科？ = nil）{
 let app = XCUIApplication（）
 
 if tbl == nil {
 let tables = app.tables 
 if tables.count> 0 {
 tbl = tables.elementAtIndex（0）
} 
} 
 
 guard let table = tbl else {
 XCTFail（找不到表格要刷新，你可以明确地提供你是否有一个表）
返回
} 
 
 var topElement = table 
 let bottomElement：XCUIElement？ 
 
 //尝试拖动到标签栏然后拖到工具栏，然后拖到最后一个单元格
 if app.tabBars.count> 0 {
 bottomElement = app.tabBars.elementAtIndex（0）
} 
 else if app.toolbars.count> 0 {
 bottomElement = app.toolbars.elementAtIndex（0）
} 
 else {
 let cells = app.cells 
 if cells.count> 0 {
 topElement = cells.elementAtIndex（0）
 bottomElement = cells.elementAtIndex（cells.count  -  1）
} 
 else {
 bottomElement = nil 
} 
} 
如果让dragTo = bottomElement {
 topElement.pressForDuration（0.1，thenDragToElement：dragTo）
} 
} 
 
 func addCell（）{
 let app = XCUIApplication（）
 app.navigationBars [Master]。buttons [Add]。tap（）
} 
  

其他失败尝试：

• swipeDown（）（也是倍数）


• scrollByDeltaX / deltaY （OS X只有）

解决方案

您可以使用

 让firstCell = app.staticTexts [Adrienne] 
 let start = firstCell.coordinateWithNormalizedOffset（CGVectorMake（0， 0））
 let finish = firstCell.coordinateWithNormalizedOffset（CGVectorMake（0,6））
 start.pressForDuration（0，thenDragToCoordinate：finish）
  

更多信息以及工作示例应用也可用。

I am trying to replicate a pull to refresh on a UITableView using the new Xcode UI testing framework in Xcode 7 (beta 3)

My current approach is dragging from the table to whatever element below the table I can find. This works when there is a fixed item below the table like a UIToolbar or UITabBar I would rather not rely on having a UITabBar or UIToolbar but I can't figure out a way to do the pull to refresh/drag action without using the method in XCUIElement.

func pressForDuration(duration: NSTimeInterval, thenDragToElement otherElement: XCUIElement)

But it fails when I don't have a toolbar/tabbar and try to drag using the cells

This is the relevant portion of my code:

func testRefresh() {
    //For testing cell
    for _ in 0...9 {
        addCell()
    }
    refreshTable()
}

func refreshTable(var tbl: XCUIElement? = nil) {
    let app = XCUIApplication()

    if tbl == nil {
        let tables = app.tables
        if tables.count > 0 {
            tbl = tables.elementAtIndex(0)
        }
    }

    guard let table = tbl else {
        XCTFail("Cannot find a table to refresh, you can provide on explicitly if you do have a table")
        return
    }

    var topElement = table
    let bottomElement: XCUIElement?

    //Try to drag to a tab bar then to a toolbar then to the last cell
    if app.tabBars.count > 0 {
        bottomElement = app.tabBars.elementAtIndex(0)
    }
    else if app.toolbars.count > 0 {
        bottomElement = app.toolbars.elementAtIndex(0)
    }
    else {
        let cells = app.cells
        if cells.count > 0 {
            topElement = cells.elementAtIndex(0)
            bottomElement = cells.elementAtIndex(cells.count - 1)
        }
        else {
            bottomElement = nil
        }
    }
    if let dragTo = bottomElement {
        topElement.pressForDuration(0.1, thenDragToElement: dragTo)
    }
}

func addCell() {
    let app = XCUIApplication()
    app.navigationBars["Master"].buttons["Add"].tap()
}

Additional failed attempts:

• swipeDown() (multiples times as well)
• scrollByDeltaX/deltaY (OS X only)

解决方案

You can use the XCUICoordinate API to interact with specific points on the screen, not necessarily tied to any particular element.

1. Grab a reference to the first cell in your table. Then create a coordinate with zero offset, CGVectorMake(0, 0). This will normalize a point right on top of the first cell.
2. Create an imaginary coordinate farther down the screen. (I've found that a dy of six is the smallest amount needed to trigger the pull-to-refresh gesture.)
3. Execute the gesture by grabbing the first coordinate and dragging it to the second one.

let firstCell = app.staticTexts["Adrienne"]
let start = firstCell.coordinateWithNormalizedOffset(CGVectorMake(0, 0))
let finish = firstCell.coordinateWithNormalizedOffset(CGVectorMake(0, 6))
start.pressForDuration(0, thenDragToCoordinate: finish)

More information along with a working sample app is also available.

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