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A brief introduction to Introduction

Introduce Selenium for Python.

1.selenium is used for web automated testing. Python2.7, 3.4 + and above are supported.

II. Selenium installation

You can install it online using pip install-U selenium, or you can download a source package, such as selenium-3.13.0.tar.gz, and install it using Python setup.py install after decompression.

Third, driver installation

Selenium needs to install a driver to open and close browsers, such as Firefox, need geckodriver, put this program in the Firefox installation directory, and configure Firefox's environment variables.

IV. Examples

1. Instance 0:

(1) Open a new Firefox browser

(2) Open the web page according to URL

From selenium import webdriver

Browser = webdriver.Firefox ()

Browser.get ('http://seleniumhq.org')

two。 Example 1:

(1) Open a new Firefox browser

(2) load the Yahoo home page

(3) find "seleniumhq"

(4) close the browser

From selenium import webdriver

From selenium webdriver.common.keys import Keys

Browser = webdriver.Firefox ()

Browser.get ('http://www.yahoo.com')

Assert 'Yahoo' in broeser.title

Elem = browser.find_element_by_name ('p')

Elem.send_keys ('seleniumhq' + Keys.RETURN)

Browser.quit ()

3. Example 2:

Selenium webdriver is also often used for basic testing of web applications.

Import unittest

From selenium import webdriver

Class GoogleTestCase (unittest.TestCase):

Def setUp (self): self.browser = webdriver.Firefox () self.addCleanup (self.browser.quit) def testPageTitle (self): self.browser.get ('http://www.google.com') self.assertIn (' Google', self.browser.title))

If name = 'main':

Unittest.main (verbosity=2)

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