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Testing NW.js Application Loading and DOM Content Verification in nw.js

This test suite validates the loading and rendering of NW.js application content using Selenium WebDriver integration. It focuses on verifying proper initialization and DOM element accessibility within the NW.js runtime environment.

Test Coverage Overview

The test suite provides coverage for basic NW.js application loading and DOM manipulation verification.

Key areas tested include:

Application initialization and URL loading
DOM element access and content verification
Chrome WebDriver integration with NW.js runtime
Proper cleanup of browser resources

Implementation Analysis

The implementation uses Selenium WebDriver with Chrome options specifically configured for NW.js testing. The test leverages Python’s unittest framework with explicit WebDriver wait conditions and element location strategies.

Notable patterns include:

Custom Chrome options configuration for NW.js compatibility
Implicit wait timing for DOM loading
Try-finally structure for proper resource cleanup
Element location by tag name and attribute verification

Technical Details

Testing tools and configuration:

Selenium WebDriver for browser automation
Chrome Options for NW.js runtime configuration
Python sys and os modules for path management
Custom nw_util helper functions
ChromeDriver executable specified via environment variable

Best Practices Demonstrated

The test demonstrates several testing best practices for NW.js applications.

Quality aspects include:

Proper resource cleanup in finally block
Explicit path management for test directory
Clear assertion conditions for content verification
Modular test setup with utility imports
Appropriate wait conditions for DOM loading

nwjs/nwJs

test/sanity/issue7197-load/test.py

            
import time
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 import utils

test_dir = os.path.dirname(os.path.abspath(__file__))
chrome_options = Options()
chrome_options.add_argument("nwapp=" + test_dir)

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_tag_name('h1')
    ret = result.get_attribute('innerHTML')
    print(ret)
    assert("NW.js" in result.get_attribute('innerHTML'))

finally:
    driver.quit()