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API and Web Testing With Python

Pylint

Goal: Show how one can develop BDD API and Web (selenium) tests with python (pytest)

The tests on this project were developed in BDD style

Run Tests:

All tests of this project can be runned by executing the bat file 'run_tests.bat' Each execution generates a html report inside 'reports' folder. Inside the batch file, one can define the browser where web tests will run setting the variable 'browser'

Note: Don't forget to run the bat file inside an environment with all requirements (requirements.txt) installed

API tests:

Tested API: https://reqres.in

This API fakes a user list where you can perform multiple actions on that list

Implemented tests:

  • Successful Registration
  • Unsuccessful Registration
  • Get User List

Web tests:

Tested website: http://webdriveruniversity.com/To-Do-List/index.html

This website represents a ToDO list where one can add, remove and mark as completed different tasks

Supported Browsers:

  • Chrome (tested on version: 106.0.5249.119; Webdriver: 106.0.5249.61
  • Edge (tested on version: 106.0.1370.47; Webdriver: 106.0.1370.42)
  • Opera (tested on version: 91.0.4516.77; Webdriver: 0.31.0)
  • Headless Chrome

Implemented tests:

  • Add New Task Successfully

Note:

When running tests on a specific browser, if one have the following error:

AttributeError: 'dict' object has no attribute 'send_keys'

Should add the following code:

from selenium import webdriver
from selenium.webdriver.chrome.options import Options

options = Options()
options.add_experimental_option("w3c", True)
# should add w3c option to the browser where get the error
# example with Opera:
driver = webdriver.Opera(options=options)

Final considerations:

  • Pytest has a lot of useful side-packages. Examples:

    • pytest-bdd: run tests written in BDD
    • pytest-html: generate html reports
    • pytest-xdist: run tests in parallel

  • BDD test development make tests more readable;

  • To run the same test with different data, scenario outline is the best option;

    The .env file is committed because this project is only to demonstration purposes. In real projects the .env file, containing critical info, must be add to .gitignore

Hope you enjoyed!