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click Function does not correspond to top-left corner of the element

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還沒有人認領這個 Issue。

評估

難度
4/5
預估耗時
3-5 天
新手友好度
35/100
Issue 類型
缺陷
描述清晰度
基本清楚
活躍度
停滯
技術堆疊
javascript, php
領域
testing-qa

研究方向

首先，使用提供的 Firefox、Selenium 和 geckodriver 設定重現 clickWithLeftButton 和 moveMouseOver，並將 offset 行為與 Chrome 進行比較。使用提供的 JavaScript offset 測量結果作為參考；當要求的 offset 在 Firefox 驗收測試中選取預期的元素角落時，即表示完成。

由索引模型根據 Issue 內容生成。

描述

What are you trying to achieve?

We are trying to click an element in a webpage.

What do you get instead?

Wrong element (the left or the right element) gets clicked instead. Based on the documentation here clickWithLeftButton with offset should place the cursor on the upper left corner of the element, but with extensive testing, we've found out that the position of the cursor is actually at the center of the element. Note that we are writing acceptance tests for a web application. The same code works fine with Chrome (configuration below) but it does not work well with Selenium/Gecko/Firefox. We are using an RTL language (Persian) in UTF-8.

Part of the code that is failing :

        $I->moveMouseOver($class,10,10);
        $I->wait(1);
        $I->clickWithLeftButton($class,10,10);
Details

Codeception : 4
PHP : 7.2 Remi
Selenium : 3.8.1 with enablePassThrough function
Geckodriver : 0.26.0
Mozilla Firefox : 72.0.1
OS : Windows 10

acceptance.suite.yml:

# Codeception Test Suite Configuration
#
# Suite for acceptance tests.
# Perform tests in browser using the WebDriver or PhpBrowser.
# If you need both WebDriver and PHPBrowser tests - create a separate suite.

actor: AcceptanceTester
modules:
    enabled:
        - \Helper\Acceptance
        - WebDriver
        - Db
        - Asserts
    depends:
        - Db:
        - WebDriver:
        - Asserts:
    url: 'http://localhost/'
    config:
        WebDriver:
             url: 'http://localhost/'
             port: 4444
        Db:
            dsn: 'mysql:host=1.1.1.1;dbname=mysql;charset=utf8'
            user: 'root'
            password: 'password'
            populate: false
            cleanup: false
            reconnect: true

env:
    firefox:
        modules:
            config:
                WebDriver:
                  url: 'http://localhost/'
                  window_size: 1920*1080
                  browser: firefox
                  capabilities:
                    acceptInsecureCerts: true
                    unexpectedAlertBehaviour: 'accept'
                    binary: "/opt/firefox/firefox-bin"
    chrome:
        modules:
            config:
                WebDriver:
                  url: 'http://localhost/'
                  window_size: 1920*1080
                  browser: chrome
                  capabilities:
                     chromeOptions: # additional chrome options
                       args: ["--no-sandbox", "--disable-notifications", "--start-maximized", "--disk-cache-dir=null", "--aggressive-cache-discard", "--disable-dev-shm-usage"]

After a lot of trial-and-errors, we eventually fixed our problem using the following code. The code uses JS functionalities to find the width and height of an element, then moves the cursor and selects the top right corner (This is where we found out that its not selecting the top left corner) :


        $width = 'var a = document.evaluate(\''.$class.'\', document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue.offsetWidth; return a;';
        $width = $I->executeJS($width);
        var_dump($width);
        $height = 'var a = document.evaluate(\''.$class.'\', document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue.offsetHeight;  return a;';
        $height = $I->executeJS($height);
        var_dump($height);

        $I->moveMouseOver($class,(($width/2)),0);
        $I->wait(1);
        $I->clickWithLeftButton($class,(($width/2)),0);

Let me know if more information is needed.

主要語言
PHP
星號
39
分支
25
30 天內沒有已合併 PR

環境準備

這個專案沒有提供開發容器、Dockerfile 或貢獻指南，環境需要你自己搭建：先看它的 README，通用步驟見我們的新手貢獻指南。

從這裡開始

  1. 先讀完整個 Issue，再讀專案的貢獻指南。
  2. 在 Issue 下留言說明你要接手 —— 這能避免兩個人做同樣的事。
  3. Fork 儲存庫，在一個分支上完成修改。
  4. 送出 Pull Request，並在描述裡引用這個 Issue 編號。

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