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Validating User Agent Configuration Implementation in NW.js

This test suite validates the user agent configuration in NW.js applications using Selenium WebDriver and Python. It ensures proper user agent string handling and verification through an automated testing approach.

Test Coverage Overview

The test provides comprehensive coverage of user agent string verification in NW.js applications. It focuses on validating custom user agent configurations through a combination of Selenium WebDriver and a Python-based echo server.

Validates custom user agent string presence
Tests integration between NW.js and Chrome WebDriver
Verifies server-side user agent detection

Implementation Analysis

The testing approach utilizes a Python-based implementation combining Selenium WebDriver with a local echo server. The test leverages Chrome options for NW.js app configuration and implements proper process management for the test server.

Selenium WebDriver integration
Python subprocess management
Chrome options configuration
Automated cleanup and resource handling

Technical Details

Selenium WebDriver for browser automation
Python subprocess module for server management
Chrome Options for NW.js configuration
Environment variable integration for ChromeDriver
Implicit wait timing configuration
Exception handling and resource cleanup

Best Practices Demonstrated

The test implementation showcases several testing best practices for browser automation and process management. It demonstrates proper resource handling, clean setup/teardown procedures, and robust assertion checking.

Proper resource cleanup in finally block
Explicit path management
Robust process termination
Clear assertion conditions

nwjs/nwJs

test/sanity/user-agent/test.py

            
import time
import os
import subprocess

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__)))

testdir = os.path.dirname(os.path.abspath(__file__))
os.chdir(testdir)

server = subprocess.Popen(['python3', '-u', 'echo-user-agent.py'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
print(server.stdout.readline())

driver = webdriver.Chrome(executable_path=os.environ['CHROMEDRIVER'], chrome_options=chrome_options)
driver.implicitly_wait(5)
try:
    print(driver.current_url)
    user_agent = server.stdout.readline().decode()
    print("user agent: " + user_agent)
    server.terminate()
    assert("test-agent" in user_agent)
finally:
    driver.quit()