"Ensure Playwright refreshes the page automatically following navigation when a specific status code is

Question

"Ensure Playwright refreshes the page automatically following navigation when a specific status code is

I find myself in a dilemma where I require my functional browser tests to verify the status code of each page response, and if a 503 error is encountered, try to reload the page a certain number of times before declaring failure.

Even though I have experimented with utilizing Playwright network events, it seems that modifying the Page state (such as triggering a reload) disrupts any future interactions, leading to errors like

Execution context was destroyed, most likely because of a navigation.

.

For instance:

page.on('response', async (response) => {
  if (response.request().resourceType() !== 'document') return;

  if (response.status() === 503) {
    await page.reload();
  }
}

(I have omitted the retry attempts logic for simplicity)

Upon executing this code, any further attempts to engage with the page will trigger the Execution context was destroyed error.

I am uncertain if this is the correct approach to tackle this issue. Any suggestions?

javascript typescript playwright

Answer 1

Answer №1

This situation presents an intriguing challenge. If response were accessible within the BrowserContext, your method would function effectively. However, since this capability is not supported, a "reload" action must be accomplished by opening a new page.

To address this issue, a helper method called "returns page after retries" can be implemented. This method would handle page creation and navigation retries based on error status codes.

const {chromium} = require('playwright');

const pageAfterRetries = async (context, url, maxRetries) => {
    if (!maxRetries) return;

    const page = await context.newPage();
    const [_, response] = await Promise.all([
        page.goto(url),
        page.waitForEvent('response', response => response.request().resourceType() === 'document')
    ]);
    if (response.status() === 503) {
        // Retry if necessary
        await page.close();
        return pageAfterRetries(context, url, maxRetries - 1);
    }
    return page;
}

(async() => {
    const browser = await chromium.launch({headless: false});
    const context = await browser.newContext();
    const page = await pageAfterRetries(context, 'https://www.google.com', 3);

    // Utilize the page for subsequent operations
    console.log(page);
})();

Answer 2

This situation presents an intriguing challenge. If response were accessible within the BrowserContext, your method would function effectively. However, since this capability is not supported, a "reload" action must be accomplished by opening a new page.

To address this issue, a helper method called "returns page after retries" can be implemented. This method would handle page creation and navigation retries based on error status codes.

const {chromium} = require('playwright');

const pageAfterRetries = async (context, url, maxRetries) => {
    if (!maxRetries) return;

    const page = await context.newPage();
    const [_, response] = await Promise.all([
        page.goto(url),
        page.waitForEvent('response', response => response.request().resourceType() === 'document')
    ]);
    if (response.status() === 503) {
        // Retry if necessary
        await page.close();
        return pageAfterRetries(context, url, maxRetries - 1);
    }
    return page;
}

(async() => {
    const browser = await chromium.launch({headless: false});
    const context = await browser.newContext();
    const page = await pageAfterRetries(context, 'https://www.google.com', 3);

    // Utilize the page for subsequent operations
    console.log(page);
})();

Answer 3

Answer №2

When I was trying to figure out how to refresh a page using Playwright, I found that this specific part of the code did the trick:

await page.reload();

Answer 4

When I was trying to figure out how to refresh a page using Playwright, I found that this specific part of the code did the trick:

await page.reload();

Answer 5

Answer №3

Everything seems to be functioning properly for me after including the code

await page.reload({waitUntil:'load'});

Answer 6

Everything seems to be functioning properly for me after including the code

await page.reload({waitUntil:'load'});

"Ensure Playwright refreshes the page automatically following navigation when a specific status code is

Answer №1

Answer №2

Answer №3

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