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Validating Manifest HTML Main Window Initialization in NW.js

This test suite validates the manifest HTML main functionality in NW.js using Selenium WebDriver. It ensures proper initialization and rendering of the main HTML content specified in the application manifest.

Test Coverage Overview

The test provides essential coverage for manifest-based HTML main window initialization in NW.js applications.

Key areas tested include:
  • Main window URL verification
  • HTML element rendering validation
  • Success state confirmation
  • Browser instance cleanup

Implementation Analysis

The implementation utilizes Selenium WebDriver with Chrome options to simulate the NW.js runtime environment. The test configures a Chrome instance with specific NW.js parameters, validates the application state through DOM inspection, and ensures proper cleanup of browser resources.

Technical patterns include:
  • Chrome WebDriver configuration
  • Implicit wait handling
  • Element location by ID
  • Attribute validation

Technical Details

Tools and configurations:
  • Selenium WebDriver for browser automation
  • Chrome Options for NW.js app configuration
  • Environment variable for ChromeDriver path
  • Implicit wait timeout of 5 seconds
  • Try-finally block for resource cleanup

Best Practices Demonstrated

The test exemplifies robust testing practices for desktop applications built with NW.js.

Notable practices include:
  • Proper resource cleanup in finally block
  • Environment-independent path handling
  • Explicit success criteria validation
  • Defensive programming with try-finally structure
  • Clear separation of setup and verification logic

nwjs/nwJs

test/sanity/manifest-html-main/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__)))

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()