FE Automation

Question 1

Selenium Webdriver

Answer 1

Is an API and protocol that defines a language-neutral interface for controlling the web browsers. This is as if a real user is operating the browser.

Question 2

Xpath

Answer 2

Is the language to query XML documents using XML path expression

Question 3

Methods in Xpath

Answer 3

• contains() - uses partial value
• starts-with()
• text() - has to be an absolute text, not partial

Question 4

Implicit wait

Answer 4

The driver is asked to wait for a specific amount of time for the element to be available in the DOM page

Question 5

Syntax for implicit wait

Answer 5

driver.implicitly_wait(2)

Question 6

Explicit wait

Answer 6

The driver is asked to wait until a certain condition is satisfied

Question 7

Locators

Answer 7

Are addresses that identify a web element uniquely within the page

Question 8

Types of basic locators

Answer 8

• ID
• NAME
• LINK_TEXT, PARTIAL_LINK_TEXT
• CLASS_NAME
• TAG_NAME

Question 9

Types of customized locators

Answer 9

1. CSS Selector
   - Tag and ID
   - Tag and Class
   - Tag and attribute
   - Tag, class and attribute
2. XPath
   - Absolute XPath
   - Relative XPath

Question 10

What is tag name

Answer 10

Input, select, head, body, div…

Question 11

Attributes in html

Answer 11

Is a piece of markup language used to adjust the behavior or display of an HTML element.
Example: name, ID, class

Question 12

linkText or partialLinkText

Answer 12

The text from the web page and not from the html

Question 13

How to find multiple elements

Answer 13

driver.findElements

Question 14

How to return the number of elements

Answer 14

With len method
Example: number=driver.findElements…..
print(len(number)

Question 15

What elements being retuned as multiple

Answer 15

Tags, classes

Question 16

Syntax to use locators

Answer 16

from selenium.webdriver.common.by import By

driver.findElement(By.ID(“name”)

Can also be used for CLASS_NAME, TAG_NAME, NAME, LINK_TEXT, PARTIAL_LINK_TEXT)

Question 17

Syntax to use CSS selector

Answer 17

driver.findElement(By.CSS_SELECTOR(“#email))

tag# - id
tag. - class
attribute - “tag[name=email]”

tag, class, attribute- (“input.inputtext[data-testid=royal_email]”)

tag is always optional

Question 18

DOM

Answer 18

Document object model is an API interface provided by the browser. When a web page is loaded, the browser created a DOM of the page.

Question 19

Types of XPath

Answer 19

• absolute(full)
• relative(partial)

Question 20

What is absolute XPath

Answer 20

The complete path beginning from the root to the element witch we want to identify. XPath becomes invalid if there are any changes in attributes from the root to the element.
Starts with single slash: /

Question 21

What is relative XPath

Answer 21

Starts from the element. Works based on certain attributes and value.
Starts with double slash: //

Question 22

Difference between absolute and relative XPath

Answer 22

1. Absolute XPath starts from the root node and relative directly jumps to element in DOM
2. Absolute starts with single slash /, relative with double slash //
3. Absolute uses only tags/nodes, relative uses attributes

Question 23

Fluent wait selenium

Answer 23

It’s the maximum amount of time for the driver to wait for a certain condition to become visible, as well as frequency with which to check the condition.
User may configure the wait to ignore specific type of exceptions.

Question 24

Syntax to go forward with selenium

Answer 24

driver.navigate().forward()

Question 25

Syntax to navigate back with selenium

Answer 25

driver.navigate().back()

Question 26

POM

Answer 26

Is a structural design pattern that groups UI web elements into classes or repositories that allows us to reuse these segments in other pieces of our codes. It separates the test logic from the finding elements logic

Question 27

Selenium suite components

Answer 27

• selenium IDE
• selenium RC(remote control)
• selenium WebDriver
• selenium Grid

Question 28

Syntax to navigate to the provided URL

Answer 28

driver.navigate().to(“https….”)

Question 29

Difference between driver.close() and driver.quit()

Answer 29

• driver.close() - closes the current window
• driver.quit() - closes all the open browser windows

Question 30

How to type in the input box using selenium

Answer 30

Using .send_keys() method

Question 31

How to click in hyperlink using selenium

Answer 31

Using linkText or PartialLinkText locator and click() method

Question 32

How to scroll down with selenium

Answer 32

With JS executor:
driver.executeScript
(“window.scrollTo(0,Y)”)
Y - the height
Example:
- 600
- document.body.scrollHeght

Question 33

How to maximize the window

Answer 33

driver.maximize_window()

Question 34

How to assert the title of a webpage with selenium

Answer 34

with driver.title method

Question 35

Sleep method in Python

Answer 35

Suspends execution for the given number.
import time
time.sleep(5)

Question 36

How to hover over element selenium

Answer 36

With ActionChains
1. Import ActionChains
from selenium.webriver.common.actions_chains import ActionChains
2. Identify elements to hover: hover_el
3. Instantiate action object:
a = ActionChains(driver)
4. Perform the action:
a.move_to_element(hover_el).perform()

Question 37

How to locate element by attribute with XPath

Answer 37

//*[contains(@attribute, “name”)]

Question 38

How to retrieve css properties of an element

Answer 38

element.value_of_css_property(“property”)

Question 39

What is Captcha and can it be automated

Answer 39

Is a security feature that prevents bots and automated programs from accessing sensitive information
It can not be automated, has to be done manually

Question 40

How does selenium handle windows based pop-ups

Answer 40

Windows based features are not natively supported by Selenium.
It can be done with third party tools like AutoIT, Robot

Question 41

How to take a screenshot with selenium

Answer 41

driver.save_screenshot(“image.png”)

“./images/image.png” - to save it in the folder

Question 42

How to select drop-down using selenium

Answer 42

Using Select
1. import Select: from selenium.webdriver.suport.select import Select
2. Locate the element:
el = Select(driver.find_element…)
3. Perform action:
- el.select_by_index(0)
- el.select_by_visible_text(‘text’)
- el.select_by_value(“value”) - from the code

Question 43

Switching windows in selenium

Answer 43

With switch_to_window() and driver.window_handles[] methods
1. Identify original window:
first=driver.window_handles[0]
2. Locate and click on the second window
3. Identify second window:
second=driver.window_handles[1]
4. Switch to the first window:
driver.switch_to_window(first)

Question 44

How to print window id’s with multiple windows in selenium

Answer 44

print(driver.window_handles)

Question 45

How to get and change the size of the window with selenium

Answer 45

Get the size:
driver.get_window_size()
Set size:
driver.set_window_size(width, height)

Question 46

How to login into any site with authentication pop up for username and password

Answer 46

By passing username and password in the URL
driver.get(“http://“+username+”:”+password+”@“+”httpbin.org/basic-auth/user/passwd”

Question 47

Syntax for relative expressions in XPath

Answer 47

• //tagname[@attribute=“value”]
• //tagname[@attribute=“value” and @attribute=“value”] - with multiple attributes
• //tagname[text()=‘value’]
• //tagname[contains(text(), ‘value’)]
• //tagname[@attribute=“value”] //tagname[@attribute=“value”] - multiple tags
• //* [@attribute=“value”], *- all tags
  Sibling XPath:
• presiding-sibling, forward-sibling, parent
• //tagname[text()=‘value’]//parent::td[@attribite=‘value’]//preceding-sibling::td[@attribute=‘value’]//tagname[@attribute=‘value’]
  Command+F- XPath window