Gecko driver doesn`t show alert, where it should be.

[TreefeedXavier]

System

• Version: v0.23.0
• Platform: Windows 10 17763.168
• Firefox: 64.0
• Selenium: selenium-server-standalone-3.141.59

Testcase

1. Login to facebook
2. write comment in comment field (do not send comment)
3. navigate to other HTTP-address

Expected:

• pop-up with confirmation message (Leave page/stay on page) appears

Actual:

• No confirmation message

It works in firefox, works in selenium tests with chromedriver, but doesn`t work with selenium + gecko.

Sample code:

FirefoxOptions ffprofile = new FirefoxOptions();
ffprofile.addPreference("dom.webnotifications.enabled", false);
WebDriver driver = new FirefoxDriver(ffprofile);
driver.get("https://www.facebook.com/");
driver.findElement(By.xpath("//input[@id='email']")).sendKeys("yourlogin");//set your login
driver.findElement(By.xpath("//input[@id='pass']")).sendKeys("yourpassword");//set your password
driver.findElement(By.xpath("//input[@value='Log In']")).click();
driver.findElement(By.xpath("//div[@placeholder='Write a comment...']")).click();
driver.findElement(By.xpath("//div[contains(@class,'notranslate')]")).sendKeys("dasfhsthaestyhae");
driver.get("https://www.google.com/"); //<--- should cause alert
driver.switchTo().alert().dismiss();

Stacktrace

1544623631162	mozrunner::runner	INFO	Running command: "C:\\Program Files\\Mozilla Firefox\\firefox.exe" "-marionette" "-foreground" "-no-remote" "-profile" "C:\\Users\\SERGEY~1.SOL\\AppData\\Local\\Temp\\rust_mozprofile.ja5itIkytdap"
1544623631653	addons.webextension.screenshots@mozilla.org	WARN	Loading extension 'screenshots@mozilla.org': Reading manifest: Invalid host permission: resource://pdf.js/
1544623631653	addons.webextension.screenshots@mozilla.org	WARN	Loading extension 'screenshots@mozilla.org': Reading manifest: Invalid host permission: about:reader*
1544623634158	Marionette	INFO	Listening on port 62125
1544623634391	Marionette	WARN	TLS certificate errors will be ignored for this session
Dec 12, 2018 4:07:14 PM org.openqa.selenium.remote.ProtocolHandshake createSession
INFO: Detected dialect: W3C
[Child 10988, MediaPlayback #4] WARNING: Decoder=1eeffdcdb30 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<MediaSourceTrackDemuxer::SamplesPromise> __cdecl mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file z:/build/build/src/dom/media/MediaDecoderStateMachine.cpp, line 3434
[Child 10988, MediaPlayback #2] WARNING: Decoder=1eeffdcdb30 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<MediaSourceTrackDemuxer::SamplesPromise> __cdecl mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file z:/build/build/src/dom/media/MediaDecoderStateMachine.cpp, line 3434
[Child 10988, MediaPlayback #4] WARNING: Decoder=1eeffdcdb30 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<MediaSourceTrackDemuxer::SamplesPromise> __cdecl mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file z:/build/build/src/dom/media/MediaDecoderStateMachine.cpp, line 3434
[Child 10988, MediaPlayback #1] WARNING: Decoder=1eeffdcdb30 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<MediaSourceTrackDemuxer::SamplesPromise> __cdecl mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file z:/build/build/src/dom/media/MediaDecoderStateMachine.cpp, line 3434

org.openqa.selenium.NoAlertPresentException: 
Build info: version: '3.141.5', revision: 'd54ebd709a', time: '2018-11-06T11:42:16'
System info: host: 'WS-TR-CP1204', ip: '172.21.20.83', os.name: 'Windows 10', os.arch: 'amd64', os.version: '10.0', java.version: '1.8.0_191'
Driver info: org.openqa.selenium.firefox.FirefoxDriver
Capabilities {acceptInsecureCerts: true, browserName: firefox, browserVersion: 64.0, javascriptEnabled: true, moz:accessibilityChecks: false, moz:geckodriverVersion: 0.23.0, moz:headless: false, moz:processID: 9148, moz:profile: C:\Users\Sergey.Soltys\AppD..., moz:shutdownTimeout: 60000, moz:useNonSpecCompliantPointerOrigin: false, moz:webdriverClick: true, pageLoadStrategy: normal, platform: WINDOWS, platformName: WINDOWS, platformVersion: 10.0, rotatable: false, setWindowRect: true, timeouts: {implicit: 0, pageLoad: 300000, script: 30000}, unhandledPromptBehavior: dismiss and notify}
Session ID: 8c9d3983-3eb7-4308-a94c-f817495b45ea

	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at org.openqa.selenium.remote.http.W3CHttpResponseCodec.createException(W3CHttpResponseCodec.java:187)
	at org.openqa.selenium.remote.http.W3CHttpResponseCodec.decode(W3CHttpResponseCodec.java:122)
	at org.openqa.selenium.remote.http.W3CHttpResponseCodec.decode(W3CHttpResponseCodec.java:49)
	at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:158)
	at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:83)
	at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:552)
	at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:609)
	at org.openqa.selenium.remote.RemoteWebDriver$RemoteTargetLocator.alert(RemoteWebDriver.java:932)
	at com.mint.atf.tests.sample.TestSample.test1(TestSample.java:39)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:124)
	at org.testng.internal.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:59)
	at org.testng.internal.Invoker.invokeConfigurationMethod(Invoker.java:458)
	at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:222)
	at org.testng.internal.Invoker.invokeMethod(Invoker.java:523)
	at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:719)
	at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:989)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:125)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:109)
	at org.testng.TestRunner.privateRun(TestRunner.java:648)
	at org.testng.TestRunner.run(TestRunner.java:505)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:455)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:450)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:415)
	at org.testng.SuiteRunner.run(SuiteRunner.java:364)
	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:84)
	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1208)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1137)
	at org.testng.TestNG.runSuites(TestNG.java:1049)
	at org.testng.TestNG.run(TestNG.java:1017)
	at org.testng.IDEARemoteTestNG.run(IDEARemoteTestNG.java:73)
	at org.testng.RemoteTestNGStarter.main(RemoteTestNGStarter.java:123)

[whimboo]

Currently the WebDriver spec lists that the beforeunload prompts have to dismissed implicitly. See https://w3c.github.io/webdriver/#user-prompts.

There is w3c/webdriver#1294 open to maybe change that behavior. Until then this issue is invalid.

[lock]

This issue has been automatically locked since there has not been any recent activity after it was closed. If you have run into an issue you think is related, please open a new issue.