Unable to handle download file in Chrome using selenium webdriver - selenium

Question

In the AUT when user clicks on the Excel button then a file should be downloaded.
In the past in other web applications I have handled it using the chrome options as:
But in my current application I see that when user clicks on Excel button then a new tab is open which presents the file explorer pop up. The question here is how to handle this. Even if I switch window handles still I will have the pop up which I don't want. How can I handle this situation.
HashMap<String, Object> chromePrefs = new HashMap<String, Object>();
chromePrefs.put("profile.default_content_settings.popups", 0);
chromePrefs.put("download.default_directory", download_dir);
chromeOptions.setExperimentalOption("prefs", chromePrefs);

Answer 1

This is the (python) code that I've used in the past to download files
from selenium import webdriver
from selenium.webdriver.chrome.options import Options
options = Options()
options.add_experimental_option("prefs", {
"download.default_directory": r"C:\Users\xxx\downloads\Test",
"download.prompt_for_download": False,
"download.directory_upgrade": True,
"safebrowsing.enabled": True
})
(obviously this is in python, I can take a stab at making a version for Java or you can try if you like)

Answer 2

I developed a library which is dealing more clearly in such case. You can generate a ChromeOptions object with given download folder and use a one line method call to download a file and verify succession:
private SeleniumDownloadKPI seleniumDownloadKPI;
#BeforeEach
void setUpTest() {
seleniumDownloadKPI =
new SeleniumDownloadKPI("/tmp/downloads");
ChromeOptions chromeOptions =
seleniumDownloadKPI.generateDownloadFolderCapability();
driver = new ChromeDriver(chromeOptions);
}
#Test
void downloadAttachTest() throws InterruptedException {
adamInternetPage.navigateToPage(driver);
seleniumDownloadKPI.fileDownloadKPI(
adamInternetPage.getFileDownloadLink(), "SpeedTest_16MB.dat");
waitBeforeClosingBrowser();
}