Failing to access the web elements in NW.js exe app using Selenium JavaScript
Mukesh
Hello NW.js fam,
I’m trying to automate NW.js exe file using selenium JavaScript and have been stuck on this issue for a long time. I find it hard to establish the connection between selenium Webdriver and NW.js exe app. I have heard it’s possible to test NW.js app with Selenium and Chromedriver. The test scripts are in Python but I’m writing tests in JavaScript.
I will link the JavaScript file for the reference
I have the Chromedriver in the project folder PATH and executing the following script.
Code:
require('chromedriver');
const {Builder, By, Key} = require('selenium-webdriver');
const chrome = require('selenium-webdriver/chrome');
let options = new chrome.Options();
options.setChromeBinaryPath('dist/src/nw.exe'); // mentioning the PATH to NW.exe
async function openNwExe(){
let driver = new Builder()
.forBrowser('chrome')
.setChromeOptions(options)
.build();
await driver.get('src/views/index.html'); //to open the front page of the app
try{
//trying find the input box element and sending the key values
await driver.findElement(By.id("input")).sendKeys("San Francisco");
}
finally{
// Close the WebDriver session and exit the NW.js application
await driver.sleep(1000);
await driver.quit();
}
}
openNwExe(); //function call
If I run the script,
The Selenium Webdriver automatically detects Chromedriver PATH in project folder and opens the NW.exe app.
1.The Issue is I find it hard to establish connection between nw.exe and access the elements.
2. After sometimes the nw.exe crashes or if I manually close it the following error is coming.
Error:
C:\Users\..\node_modules\selenium-webdriver\lib\error.js:524
let err = new ctor(data.message) ^
SessionNotCreatedError: session not created: Chrome failed to start: exited normally.
(session not created: DevToolsActivePort file doesn't exist)
(The process started from chrome location C:\Users\..\src\src.exe is no longer running, so ChromeDriver is assuming that Chrome has crashed.)
at Object.throwDecodedError (C:\Users\..\node_modules\selenium-webdriver\lib\error.js:524:15)
at parseHttpResponse (C:\Users\..\node_modules\selenium-webdriver\lib\http.js:601:13)
at Executor.execute (C:\Users\..\node_modules\selenium-webdriver\lib\http.js:529:28)
at process.processTicksAndRejections (node:internal/process/task_queues:95:5) {
remoteStacktrace: '\tGetHandleVerifier [0x00007FF6F8F27892+54818]\n' +
'\t(No symbol) [0x00007FF6F8E96AC2]\n' +
'\t(No symbol) [0x00007FF6F8D4DA3B]\n' +
'\t(No symbol) [0x00007FF6F8D7C202]\n' +
'\t(No symbol) [0x00007FF6F8D7802E]\n' +
'\t(No symbol) [0x00007FF6F8DB67FB]\n' +
'\t(No symbol) [0x00007FF6F8DAE883]\n' +
'\t(No symbol) [0x00007FF6F8D83691]\n' +
'\t(No symbol) [0x00007FF6F8D848D4]\n' +
'\tGetHandleVerifier [0x00007FF6F928B992+3610402]\n' +
'\tGetHandleVerifier [0x00007FF6F92E1860+3962352]\n' +
'\tGetHandleVerifier [0x00007FF6F92D9D4F+3930847]\n' +
'\tGetHandleVerifier [0x00007FF6F8FC3646+693206]\n' +
'\t(No symbol) [0x00007FF6F8EA1628]\n' +
'\t(No symbol) [0x00007FF6F8E9D934]\n' +
'\t(No symbol) [0x00007FF6F8E9DA62]\n' +
'\t(No symbol) [0x00007FF6F8E8E113]\n' +
'\tBaseThreadInitThunk [0x00007FF97A62257D+29]\n' +
'\tRtlUserThreadStart [0x00007FF97B94AA78+40]\n'
}
Appreciate any help.
Thanks,
Mukesh
Roger Wang
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Ayush C.
Here's an example of testing NW.js via Selenium using JavaScript. Hope this helps!