41 lines
1.3 KiB
TypeScript
41 lines
1.3 KiB
TypeScript
import { expect } from '@playwright/test';
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import { Locator, Page } from 'playwright';
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/**
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* @param page - The page to interact with
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* @param locator - The element to check for screenshot
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* @param screenshotPath - The path to save the screenshot
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* @param attempts - The number of attempts to check for screenshot
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* @param delay - The delay between attempts
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* @returns True if the screenshot matches, otherwise throws an error
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*/
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const checkForScreenshot = async (
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page: Page,
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locator: Locator | Page,
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screenshotPath: string,
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attempts = 10,
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delay = 100
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) => {
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await page.waitForLoadState('networkidle');
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for (let i = 0; i < attempts; i++) {
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try {
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await expect(locator).toHaveScreenshot(screenshotPath, {
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maxDiffPixelRatio: 0.1,
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});
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return true;
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} catch (error) {
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if (i === attempts - 1) {
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console.debug('Screenshot comparison failed after all attempts');
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throw error; // Throw the original error with details instead of a generic message
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}
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await new Promise(resolve => setTimeout(resolve, delay));
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}
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}
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// This is a fallback in case the loop exits unexpectedly
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throw new Error('Screenshot comparison failed: loop exited without match or proper error');
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};
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export { checkForScreenshot };
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