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Validating Node-Remote Array Configuration in NW.js

This test suite validates node-remote array functionality in NW.js using Selenium WebDriver and Python. It tests the configuration of node-remote permissions through package.json and verifies remote URL access patterns.

Test Coverage Overview

The test suite provides comprehensive coverage of node-remote array configuration in NW.js applications. It specifically tests:

Dynamic package.json manifest generation with node-remote permissions
Local HTTP server setup and port allocation
Remote URL access validation through Selenium WebDriver
Integration between Node.js runtime and remote content loading

Implementation Analysis

The testing approach utilizes Python with Selenium WebDriver to automate browser interactions and validate node-remote functionality. The implementation features:

Dynamic test environment setup with runtime port allocation
Chrome WebDriver configuration with NW.js specific arguments
Asynchronous server process management
Automated cleanup of test resources

Technical Details

Key technical components include:

Python 3.x runtime environment
Selenium WebDriver with Chrome driver
Local HTTP server implementation
Custom nw_util helper functions
Package.json manifest manipulation
Process management for server cleanup

Best Practices Demonstrated

The test implementation showcases several testing best practices:

Proper resource cleanup in finally blocks
Dynamic port allocation to prevent conflicts
Isolation of test environment through directory management
Clear assertion conditions for test validation
Structured setup and teardown procedures

nwjs/nwJs

test/sanity/node-remote-array/test.py

            
import time
import os
import subprocess
import sys

from selenium import webdriver
from selenium.webdriver.chrome.options import Options
from selenium.webdriver.common import utils

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)

port = str(utils.free_port())
server = subprocess.Popen(['python3', 'http-server.py', port])

manifest = open('package.json', 'w')
manifest.write('''
{
  "name":"test-node-remote",
  "node-remote":["<all_urls>"],
  "main":"http://localhost:%s/index.html"
}
''' % (port))
manifest.close()

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

driver = webdriver.Chrome(executable_path=os.environ['CHROMEDRIVER'], chrome_options=chrome_options, service_log_path="log", service_args=["--verbose"])
try:
    print(driver.current_url)
    result = wait_for_element_id(driver, 'result')
    print(result)
    assert("success" in result)
finally:
    server.terminate()
    driver.quit()