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Testing WebView Node Remote Integration in NW.js

This test suite validates WebView node remote functionality in NW.js, ensuring proper communication between WebView components and Node.js environments. It verifies version information retrieval and window handling through Selenium WebDriver integration.

Test Coverage Overview

The test suite covers WebView integration with Node.js remote components, focusing on version information verification and window state management.

WebView initialization and loading
Node.js version information retrieval
Window switching and URL validation
Cross-component communication verification

Implementation Analysis

The implementation utilizes Selenium WebDriver with Chrome options for WebView testing, incorporating Python’s subprocess management for server control. The test employs dynamic port allocation and template-based HTML generation for reliable test execution.

Dynamic server port configuration
Template-based test page generation
Chrome WebDriver customization
Cross-platform process management

Technical Details

Selenium WebDriver with Chrome options
Python subprocess management
Dynamic port allocation using utils.free_port()
HTML template processing
Platform-specific process termination
Implicit wait timing configuration
Custom Chrome capabilities for page loading strategy

Best Practices Demonstrated

The test implementation showcases robust testing practices with proper resource cleanup and cross-platform compatibility.

Proper test cleanup and process termination
Dynamic resource allocation
Platform-agnostic implementation
Explicit assertion checking
Structured error handling

nwjs/nwJs

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

            
import time
import os
import urllib.parse, urllib.request, urllib.parse, urllib.error
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

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

svrprog = os.path.abspath(os.path.join(os.path.dirname(testdir), 'http-server-node.py'))

port = str(utils.free_port())
server = subprocess.Popen(['python', svrprog, port])

tpl = open('window.tpl', 'r')
content = tpl.read().replace('{port}', port)
tpl.close()

html = open('window.html', 'w')
html.write(content)
html.close()

chrome_options = Options()
chrome_options.add_argument("nwapp=" + testdir)
chrome_options.add_experimental_option("windowTypes", ["webview"])

capabilities = {"pageLoadStrategy": "none"}

driver = webdriver.Chrome(executable_path=os.environ['CHROMEDRIVER'], chrome_options=chrome_options, desired_capabilities = capabilities, service_log_path="log", service_args=["--verbose"])
driver.implicitly_wait(5)
try:
    print(driver.current_url)
    wait_switch_window_url(driver, 'webview.html')
    result = driver.find_element_by_id('ret').get_attribute('innerHTML')
    print(result)
    assert('version = v' in result)
finally:
    import platform
    if platform.system() == 'Windows':
        subprocess.call(['taskkill', '/F', '/T', '/PID', str(server.pid)])
    else:
        server.terminate()
    driver.quit()