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Validating Window Resize Event Handling in NW.js

This test suite validates window resize event handling in NW.js applications, specifically focusing on height dimension changes. It uses Selenium WebDriver to automate browser interactions and verify window resize event behavior.

Test Coverage Overview

The test ensures proper event firing and dimension reporting when window resize operations occur.

Tests window resize event triggering
Validates height dimension reporting accuracy
Verifies width dimension consistency
Covers element-triggered resize operations

Implementation Analysis

The implementation leverages Selenium WebDriver with Chrome options for automated testing. It employs action chains for element interaction and explicit waits for event handling verification.

Uses ChromeDriver with custom NW.js app configuration
Implements ActionChains for click event simulation
Utilizes implicit and explicit wait mechanisms

Technical Details

Selenium WebDriver for browser automation
Chrome Options for NW.js app configuration
Python test framework integration
Custom utility functions for element detection
Environment-based ChromeDriver path configuration

Best Practices Demonstrated

The test exhibits robust automation practices with proper resource cleanup and error handling.

Proper test cleanup in finally block
Explicit assertion checks for dimensions
Structured waiting mechanisms for UI elements
Clear separation of setup and test logic

nwjs/nwJs

test/sanity/issue4993-window-resize-event-height/test.py

            
import os
import sys
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from nw_util import *

from selenium import webdriver
from selenium.webdriver.chrome.options import Options
from selenium.webdriver.common.action_chains import ActionChains

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(2)
try:
    print(driver.current_url)
    element = driver.find_element_by_id('resize-window')
    ActionChains(driver).click(element).perform()
    res = wait_for_element_id(driver, "resize")
    print(res)
    assert("width: 7" in res)
    assert("height: 5" in res)
finally:
    driver.quit()