Clear cache before running some Selenium WebDriver tests using Java

Question

I am working on Selenium WebDriver automation in java programming language. In my test suite that initiates the browser window once and perform all the tests. I want to clear the browser cache before running some tests without restarting the browser. Is there any command/function, that can achieve the purpose? Thanks.

An Khang · Accepted Answer · 2019-10-07 04:19:14Z

17

This is what I use in Python:

from selenium import webdriver
from selenium.webdriver.common.keys import Keys
driver = webdriver.Chrome()
driver.get('chrome://settings/clearBrowserData')
driver.find_element_by_xpath('//settings-ui').send_keys(Keys.ENTER)

You can try converting these into Java. Hope this will help! :)

edited Oct 7, 2019 at 4:19

answered Jun 19, 2019 at 3:47

An Khang

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Rodrigo Estevao Rodrigues · Accepted Answer · 2019-01-06 14:08:48Z

8

At least in Chrome, I strongly believe that if you go incognito you wont to have to clean up your cookies. You can set your options like following (the :

from selenium import webdriver
from selenium.webdriver.chrome.options import Options

def _options():
    options = Options()
    options.add_argument('--ignore-certificate-errors')
    #options.add_argument("--test-type")
    options.add_argument("--headless")
    options.add_argument("--incognito")
    options.add_argument('--disable-gpu') if os.name == 'nt' else None # Windows workaround
    options.add_argument("--verbose")
    return options

and call like this:

with webdriver.Chrome(options=options) as driver:
    driver.implicitly_wait(conf["implicitly_wait"])
    driver.get(conf["url"])

answered Jan 6, 2019 at 14:08

Rodrigo Estevao Rodrigues

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user337598 Over a year ago

Not convinced its usefull for an end-to-end test, because at this point, you are no longer using the same environment as a customer would.

vins · Accepted Answer · 2015-10-06 14:09:38Z

6

For IE

DesiredCapabilities ieCap =  DesiredCapabilities.internetExplorer();
ieCap.setCapability(InternetExplorerDriver.IE_ENSURE_CLEAN_SESSION, true);

For Chrome:

https://code.google.com/p/chromedriver/issues/detail?id=583

To delete cookies:

driver.manage().deleteAllCookies();

answered Oct 6, 2015 at 14:09

vins

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1 Comment

Heike Over a year ago

DesiredCapabilities has been deprecated

ItwasJJsmile · Accepted Answer · 2019-11-29 10:04:10Z

5

The following code is based on @An Khang 's answers. and it is working properly on Chrome 78.

ChromeDriver chromeDriver = new ChromeDriver();

    chromeDriver.manage().deleteAllCookies();
    chromeDriver.get("chrome://settings/clearBrowserData");
    chromeDriver.findElementByXPath("//settings-ui").sendKeys(Keys.ENTER);

    return chromeDriver;

answered Nov 29, 2019 at 10:04

ItwasJJsmile

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3 Comments

user337598 Over a year ago

This selector no longer returns any elements in 81.0.4

mizan rahman Over a year ago

This solution worked for me, I am using chrome 86 , Thanks

mgol Over a year ago

This doesn't work in Chrome 87, the enter key doesn't trigger clearing the cache.

Ambesh Srivastava · Accepted Answer · 2020-06-06 17:30:55Z

3

    WebDriver driver = new ChromeDriver();
    driver.manage().deleteAllCookies();
    driver.get("chrome://settings/clearBrowserData");
    driver.findElement(By.xpath("//settings-ui")).sendKeys(Keys.ENTER);

answered Jun 6, 2020 at 17:30

Ambesh Srivastava

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Serg Smyk · Accepted Answer · 2023-06-23 14:28:01Z

from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC

def get_webdriver(width: int = 1600, height: int = 1200):
try:
    global browser
    if browser is not None:
        return browser
    options = Options()
    options.add_argument('--headless')
    options.add_argument('--width=' + str(width))
    options.add_argument('--height=' + str(height))
    options.add_argument("--disable-cache")

    profile = webdriver.FirefoxProfile()
    profile.set_preference("browser.cache.disk.enable", False)
    profile.set_preference("browser.cache.memory.enable", False)
    profile.set_preference("browser.cache.offline.enable", False)
    profile.set_preference("network.http.use-cache", False)
    options.profile = profile

    browser = webdriver.Firefox(options=options)
    window_size = browser.execute_script("""
    return [window.outerWidth - window.innerWidth + arguments[0],
      window.outerHeight - window.innerHeight + arguments[1]];
    """, width, height)
    browser.set_window_size(*window_size)
    return browser
except Exception as err:
    logging.error(f"Can't install GeckoDriverManager. Error: {err}")

and use browser

    browser = get_webdriver(width=width, height=height)
    browser.delete_all_cookies()
    browser.get(url)
    wait = WebDriverWait(browser, 10)  # Maximum wait time in seconds
    wait.until(EC.presence_of_element_located((By.TAG_NAME, 'body')))
    await asyncio.sleep(1)

    png_image = browser.get_screenshot_as_png()

Google Chrome for Testing does not have chrome://settings/clearBrowserData setting, this worked for me; however, it does not clear cache, it turns it off completely.

Naveen AutomationLabs · Accepted Answer · 2021-08-05 13:22:52Z

1

On Google chrome you can use this script:

        driver.get("chrome://settings/clearBrowserData");       
        JavascriptExecutor jse = (JavascriptExecutor)driver;
        WebElement clearData =  (WebElement) jse.executeScript("return document.querySelector(\"body > settings-ui\").shadowRoot.querySelector(\"#main\").shadowRoot.querySelector(\"settings-basic-page\").shadowRoot.querySelector(\"#basicPage > settings-section:nth-child(8) > settings-privacy-page\").shadowRoot.querySelector(\"settings-clear-browsing-data-dialog\").shadowRoot.querySelector(\"#clearBrowsingDataConfirm\")");
        ((JavascriptExecutor)driver).executeScript("arguments[0].click();", clearData);

answered Aug 5, 2021 at 13:22

Naveen AutomationLabs

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Comments

Timo · Accepted Answer · 2021-03-19 12:36:35Z

0

import org.openqa.selenium.Keys;

you need to import the Keys in newer version and change the last line to findElement by xpath

WebDriver driver = new ChromeDriver();

driver.manage().deleteAllCookies();
driver.get("chrome://settings/clearBrowserData");
driver.findElement(By.xpath("//settings-ui")).sendKeys(Keys.ENTER);

answered Mar 19, 2021 at 12:36

Timo

1

3 Comments

jf_ Over a year ago

Isn't this exactly what Ambesh Srivastava answered?

Timo Over a year ago

I only wrote it, because in newer versions the import is needed.

Arsen Over a year ago

Not working for Chrome v96. Other suggestions?

Old Wizard · Accepted Answer · 2023-06-03 23:18:47Z

0

what i found working for myself was adding chromium flag:

--disk-cache-size=0

not sure if it clears cache, but any cache related problems disappeared in my case

answered Jun 3, 2023 at 23:18

Old Wizard

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1 Comment

dpapadopoulos Over a year ago

This does not really answer the question. If you have a different question, you can ask it by clicking Ask Question. To get notified when this question gets new answers, you can follow this question. Once you have enough reputation, you can also add a bounty to draw more attention to this question. - From Review

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