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Testing Screen Event Handling and DOM Interactions in NW.js

This test suite validates screen events and interactions in NW.js applications using Selenium WebDriver with Python. It focuses on automated browser testing to verify event handling and DOM element interactions.

Test Coverage Overview

The test suite provides coverage for browser-based event handling and DOM element verification in NW.js applications.

Key areas covered include:

Browser initialization and configuration
DOM element location and attribute verification
Success condition validation through element content
Proper cleanup and driver management

Implementation Analysis

The implementation utilizes Selenium WebDriver with Chrome options specifically configured for NW.js testing. The approach employs a straightforward pattern of browser initialization, element location, and assertion verification, leveraging Python’s testing capabilities.

Key implementation features:

Chrome WebDriver configuration with NW.js-specific arguments
Implicit wait handling for element availability
Try-finally block for proper resource cleanup

Technical Details

Testing tools and configuration:

Selenium WebDriver for browser automation
Chrome Options for NW.js app configuration
Environment variable usage for ChromeDriver path
Implicit wait timeout of 5 seconds
Element location by ID selector

Best Practices Demonstrated

The test implementation showcases several testing best practices for browser-based application testing.

Notable practices include:

Proper resource management with driver cleanup
Error handling with try-finally blocks
Clear assertion conditions
Configuration separation through environment variables
Implicit wait implementation for better stability

nwjs/nwJs

test/sanity/screen-events/test.py

            
import time
import os

from selenium import webdriver
from selenium.webdriver.chrome.options import Options
chrome_options = Options()
chrome_options.add_argument("nwapp=" + os.path.dirname(os.path.abspath(__file__)))

driver = webdriver.Chrome(executable_path=os.environ['CHROMEDRIVER'], chrome_options=chrome_options)
driver.implicitly_wait(5)
try:
    print(driver.current_url)
    result = driver.find_element_by_id('result')
    print(result.get_attribute('innerHTML'))
    assert("success" in result.get_attribute('innerHTML'))
finally:
    driver.quit()