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Playwright Automation Assertions

Playwright Automation is a Node library for automating browsers based on the DevTools protocol. It allows you to write tests for web applications to ensure that they behave correctly. Assertions in Playwright are used to verify that certain conditions are met during the execution of a test. - Playwright Automation Online Training

Here are some common assertions you can use with Playwright:

expect(page).toMatch('text'): This assertion checks if the specified text is present on the page. It's often used to verify that certain elements or messages are displayed correctly.

    ```javascript

    const { expect } = require('@playwright/test');

    await page.goto('https://example.com');

    await expect(page).toMatch('Welcome to Example.com');

    ```

2. expect(page).toEqualText(selector, 'text'): Verifies that the text content of the element specified by the selector is equal to the expected text.

    ```javascript

    const { expect } = require('@playwright/test');

    await page.goto('https://example.com');

    await expect(page.locator('h1')).toEqualText('Welcome'); - Playwright Course Online

    ```

3. expect(page).toHaveTitle('title'): Checks if the current page has the expected title.

    ```javascript

    const { expect } = require('@playwright/test');

    await page.goto('https://example.com');

    await expect(page).toHaveTitle('Example Domain');

    ```

4. expect(page).toHaveURL('url'): Verifies that the current page URL matches the expected URL.

    ```javascript

    const { expect } = require('@playwright/test');

    await page.goto('https://example.com');

    await expect(page).toHaveURL('https://example.com/');  - Playwright Online Training

    ```

5. expect(element).toExist(): Checks if the specified element exists on the page.

    ```javascript

    const { expect } = require('@playwright/test');

    await page.goto('https://example.com');

    const button = await page.locator('button');

    await expect(button).toExist();

    ```

The assertions are part of the Playwright Test library, which extends Jest. If you're already familiar with Jest, many of the concepts will be familiar to you. - Playwright Course in Hyderabad

 

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