... waiting, waiting, waiting... Surprise, it's a browser! ... waiting, waiting, waiting... It's a login screen! ... waiting for SendKeys to enter the username and password into the proper textboxes... and for the Login button to be clicked.
Now, let's examine a few tests you can perform on a Login screen:
- Enter a valid email address as a username with a correct password, and you are taken to the basic landing page.
- Enter a username missing an '@' or a "." and an alert message appears: "Usernames must be an email address"
- Use the email address of someone not registered as a user: "Either the email address or password is invalid. Please try again".
- Use a valid email but an invalid password: "Either the email address or password is invalid. Please try again".
That first bullet point might make a good Selenium WebDriver test.
The second bullet point might make a good test.
Every other bullet pointed test might be better suited as a test of the webservices underlying the Login page, i.e. the place you feed the username and password data to, for processing.
With the first test, we are checking that we can enter data using the browser as a user interface. We are checking that we can feed data to the webservice.
With the second test, we are checking that we can get the response from the webservice, and output it to the browser.
The third and fourth test is essentially a duplication of the second test, checking that:
- browser input -> data is fed into webservice -> webservice has output -> output to browser's alert message.
Over the past few months, I have experimented with testing at the API Level:
- Using Apache HTTP Components
- Using Postman
... Maybe I need to look into Swagger.io?
Happy Testing!
-T.J. Maher
Sr. QA Engineer
// Software QA Engineer since 1996.
// Working with Selenium WebDriver since 2014.
// Follow Adventures in Automation and Like us on Facebook!
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