Retrieve the status of the webpage using the "document.readyState" command within the JMeter WebDriver Sampler with JavaScript

Question

Retrieve the status of the webpage using the "document.readyState" command within the JMeter WebDriver Sampler with JavaScript

I am relatively new to Selenium and WDS in Jmeter, so I could use some assistance. I'm having trouble writing code that waits for the entire page to load. I came across something like "return document.readyState", but I can't seem to implement it in my code. That's why I admit - I still have a lot to learn in this area.

In my code, I have a "wait" statement but it doesn't seem to be sufficient.

var pkg = JavaImporter(org.openqa.selenium); //WebDriver classes
var support_ui = JavaImporter(org.openqa.selenium.support.ui.WebDriverWait); //WebDriver classes
var wait = new support_ui.WebDriverWait(WDS.browser, 10000);
var conditions = org.openqa.selenium.support.ui.ExpectedConditions;

WDS.sampleResult.sampleStart(); //captures sampler's start time
WDS.sampleResult.getLatency();
WDS.log.info("Sample started");

WDS.browser.get('https://somethingsomething');
wait.until(conditions.elementToBeClickable(pkg.By.xpath("//a[@href='x']")));
WDS.log.info("Sample ended - navigated to somethingsomething");

WDS.sampleResult.sampleEnd();

javascript selenium-webdriver jmeter selenium-chromedriver jmeter-plugins

Answer 1

Answer №1

Keep in mind that starting from JMeter version 3.1, it is highly recommended to utilize Groovy for scripting. You may want to switch to Groovy and employ standard explicit waits, as there are numerous examples available online. Here's an additional example just in case:

import org.openqa.selenium.WebDriver
import org.openqa.selenium.support.ui.ExpectedCondition
import org.openqa.selenium.support.ui.WebDriverWait

WDS.sampleResult.sampleStart()
WDS.browser.get('http://example.com')
WebDriverWait wait = new WebDriverWait(WDS.browser, 15)

ExpectedCondition<Boolean> documentReady = new ExpectedCondition<Boolean>() {
    @Override
    public Boolean apply(WebDriver driver) {
        return WDS.browser.executeScript("return document.readyState")
                .toString().equalsIgnoreCase("COMPLETE");
    }
};
wait.until(documentReady)
WDS.sampleResult.sampleEnd()

In case you require the use of JavaScript, calling Java functions is still feasible through methods like the JavaAdapter object. An example code snippet might look like this:

load("nashorn:mozilla_compat.js")
var wait = new org.openqa.selenium.support.ui.WebDriverWait(WDS.browser, 15)
WDS.browser.get('http://example.com')

function Invoker(obj) {
    return new JSAdapter() {
        __has__: function(name) {
            return true;
        },
        __get__: function(name) {
            return function() {
                return obj.invoke(name, arguments);
            }
        }
    }
}

var r = {
    invoke: function(name, args) {
        return WDS.browser.executeScript("return document.readyState") == 'complete'
    }
};
wait.until(new JavaAdapter(org.openqa.selenium.support.ui.ExpectedCondition, Invoker(r)))

For further details, you can refer to:

Answer 2

Keep in mind that starting from JMeter version 3.1, it is highly recommended to utilize Groovy for scripting. You may want to switch to Groovy and employ standard explicit waits, as there are numerous examples available online. Here's an additional example just in case:

import org.openqa.selenium.WebDriver
import org.openqa.selenium.support.ui.ExpectedCondition
import org.openqa.selenium.support.ui.WebDriverWait

WDS.sampleResult.sampleStart()
WDS.browser.get('http://example.com')
WebDriverWait wait = new WebDriverWait(WDS.browser, 15)

ExpectedCondition<Boolean> documentReady = new ExpectedCondition<Boolean>() {
    @Override
    public Boolean apply(WebDriver driver) {
        return WDS.browser.executeScript("return document.readyState")
                .toString().equalsIgnoreCase("COMPLETE");
    }
};
wait.until(documentReady)
WDS.sampleResult.sampleEnd()

In case you require the use of JavaScript, calling Java functions is still feasible through methods like the JavaAdapter object. An example code snippet might look like this:

load("nashorn:mozilla_compat.js")
var wait = new org.openqa.selenium.support.ui.WebDriverWait(WDS.browser, 15)
WDS.browser.get('http://example.com')

function Invoker(obj) {
    return new JSAdapter() {
        __has__: function(name) {
            return true;
        },
        __get__: function(name) {
            return function() {
                return obj.invoke(name, arguments);
            }
        }
    }
}

var r = {
    invoke: function(name, args) {
        return WDS.browser.executeScript("return document.readyState") == 'complete'
    }
};
wait.until(new JavaAdapter(org.openqa.selenium.support.ui.ExpectedCondition, Invoker(r)))

For further details, you can refer to:

Retrieve the status of the webpage using the "document.readyState" command within the JMeter WebDriver Sampler with JavaScript

Answer №1

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