There are two options to interact with browser’s local storage:
- via javascript by creating your own methods
- via Selenium WebDriver (starting with version 2.42) if the driver supports it
Let’s have a look of how can we use these two options in our Selenium WebDriver tests:
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1. Let’s create a LocalStorage class with methods for each action we need for interaction with the browser’s Local Storage:
import org.openqa.selenium.JavascriptExecutor;
import org.openqa.selenium.WebDriver;
public class LocalStorageJS {
private JavascriptExecutor js;
public LocalStorageJS(WebDriver webDriver) {
this.js = (JavascriptExecutor) webDriver;
}
public void removeItemFromLocalStorage(String item) {
js.executeScript(String.format("window.localStorage.removeItem('%s');", item));
}
public boolean isItemPresentInLocalStorage(String item) {
return !(js.executeScript(String.format("return window.localStorage.getItem('%s');", item)) == null);
}
public String getItemFromLocalStorage(String key) {
return (String) js.executeScript(String.format("return window.localStorage.getItem('%s');", key));
}
public String getKeyFromLocalStorage(int key) {
return (String) js.executeScript(String.format("return window.localStorage.key('%s');", key));
}
public Long getLocalStorageLength() {
return (Long) js.executeScript("return window.localStorage.length;");
}
public void setItemInLocalStorage(String item, String value) {
js.executeScript(String.format("window.localStorage.setItem('%s','%s');", item, value));
}
public void clearLocalStorage() {
js.executeScript(String.format("window.localStorage.clear();"));
}
}2. Using the Selenium WebDriver built in functionality present in the HTML5 package
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(org/seleniumhq/selenium/selenium-api/2.45.0/selenium-api-2.45.0.jar!/org/openqa/selenium/html5)
Clearing LocalStorage:
LocalStorage local = ((WebStorage) driver).getLocalStorage();
local.clear();
Setting an item in LocalStorage:
local.setItem("FOO", "BAR");
Getting an item from LocalStorage:
local.getItem(“name”)
Here you can find more details about locating elements with Selenium WebDriver.
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