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WebdriverIO – Wait Commands Example

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If you have had some experience with Automated testing, I’m sure you’ve had to deal with flaky/unstable tests. Some of these unstable tests can be fixed by utilizing the right wait commands, let’s take a look at a couple of examples below…

1. waitForDisplayed

waitForDisplayed is one of the most commonly used wait commands, it waits for an element to be displayed or not be displayed on the screen for ‘X’ amount of milliseconds.

Scenario: Wait for ‘Watches’ link to be displayed after hovering over the ‘Fashion’ link on the eBay site. (see gif below)

giphy

Note: I’m using Page Object Model in my example below. To learn more about POM you can take a look at my video here

it('should click on watches link', () => {
  // open the ebay site
  WatchesPage.open();

  // hover over the fashion link
  WatchesPage.fashionLink.moveTo();

  // wait for max 5 secs for watches link to be displayed after hovering over the fashion link
  WatchesPage.watchesLink.waitForDisplayed({ timeout: 5000 });

  // once displayed, click on the watches link
  WatchesPage.watchesLink.click();
});

2. waitUntil

waitUntil is used to wait conditionally, once the condition fulfills, it moves on to the next action.

Scenario: Wait for ‘All Categories’ text in the drop-down to change to “PC laptops & Notebooks” text after searching for the ‘Laptop’ keyword on the eBay site. (see gif below)

giphy
it('should update the search category', () => {
  browser.waitUntil(
    function () {
      // get text for the search category selector
      // and check if it matches the expected text
      return SearchPage.category.getText() === 'PC Laptops & Netbooks';
    },
    // wait for 3 seconds for condition to fulfill
    { timeout: 3000 }
  );
  // add your assertion
  expect(SearchPage.category).toHaveText('PC Laptops & Netbooks');
});

Similarly, you can use other wait commands provided by WebdriverIO for different scenarios such as waitForClickablewaitForDisplayed etc.. You can find all the commands in their API docs.

? This code is also available on GitHub for you to access and play around with.


You can also checkout the video below that will show you the detailed explanation of the code above.


To learn more about WebdriverIO, you can check out my free tutorial series here –

WebdriverIO – Tutorial Series for Beginners

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