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Testing Web Worker Module Requirements in NW.js

This test suite validates the functionality of Node.js require functionality within Web Workers in NW.js applications. It uses Selenium WebDriver to automate browser testing and verify proper module loading in worker contexts.

Test Coverage Overview

The test ensures Web Workers can properly require and load Node.js modules in NW.js applications.

Key areas covered include:

Worker initialization with Node.js integration
Module loading in worker context
Success validation through DOM elements
Chrome driver configuration for NW.js

Implementation Analysis

The implementation uses Selenium WebDriver with Python to automate browser testing.

Notable patterns include:

Chrome options configuration for NW.js compatibility
Implicit wait handling for async operations
DOM element verification for test results
Proper driver cleanup in finally block

Technical Details

Testing tools and configuration:

Selenium WebDriver with Chrome Driver
Python test framework
NW.js specific Chrome options
Node.js worker enablement flags
Environment variable configuration for ChromeDriver path

Best Practices Demonstrated

The test demonstrates several quality testing practices:

Proper exception handling and cleanup
Explicit wait management
Environment-aware configuration
Clear success criteria validation
Isolated test environment setup

nwjs/nwJs

test/sanity/worker-require-module/test.py

            
import time
import os

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__)))
chrome_options.add_nw_argument("--enable-node-worker")

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_id('result').get_attribute('innerHTML')
    print(result)
    assert('success' in result)
finally:
    driver.quit()