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Testing Document Event Handling Implementation in NW.js

This test suite validates document start and end events in NW.js applications using Selenium WebDriver. It focuses on window management and iframe initialization, ensuring proper event handling across different application contexts.

Test Coverage Overview

The test coverage encompasses window switching and iframe event handling in NW.js applications.

Validates window name switching functionality
Tests iframe initialization events
Verifies success messages from popup windows
Handles multiple element ID validations

Implementation Analysis

The testing approach utilizes Selenium WebDriver with Chrome options for NW.js application testing.

Key implementation patterns include:

Custom Chrome configuration for NW.js compatibility
Utility functions for window management
Asynchronous element waiting patterns
Multiple assertion validations

Technical Details

Testing infrastructure includes:

Selenium WebDriver for browser automation
Chrome Options configuration for NW.js
Custom nw_util helper functions
Environment-specific ChromeDriver setup
Python test execution environment

Best Practices Demonstrated

The test implementation showcases robust testing practices for web applications.

Proper resource cleanup with driver.quit()
Try-finally block for error handling
Modular utility function usage
Clear assertion conditions
Systematic window and element management

nwjs/nwJs

test/sanity/document-start-end/test.py

            
import time
import os
import sys

from selenium import webdriver
from selenium.webdriver.chrome.options import Options
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from nw_util import *

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)
try:
    wait_switch_window_name(driver, 'index')
    print(driver.current_url)
    result = wait_for_element_id(driver, 'result')
    result2 = wait_for_element_id(driver, 'result2')
    print(result)
    print(result2)
    assert(result == 'success from popup' and result2 == 'startiframe')
finally:
    #time.sleep(50)
    driver.quit()