100+ Senior Automation Test Engineer Interview Questions and Answers

A technical interview question for Senior Automation Test Engineer involving list comprehension, power of two, fibonacci series, missing numbers, and character count.

• Use range() function to generate a list from 1 to 10 in list comprehension

• Check if the given integer is a power of two by using bitwise AND operator

• Use recursion to create a fibonacci series of 100

• Find missing numbers from a list by comparing it with a range of numbers

• Use a dictionary to count the occurrence of e...read more

Python has several built-in datatypes including numeric, sequence, and mapping types.

• Numeric types include integers, floating-point numbers, and complex numbers.

• Sequence types include lists, tuples, and range objects.

• Mapping types include dictionaries.

• Other datatypes include boolean, bytes, and sets.

Yes, it is possible to concatenate a string and integer using type conversion.

• Convert the integer to a string using str() function and then concatenate with the string.

• Use format() method to insert the integer value into the string.

• Use f-strings to directly insert the integer value into the string.

XPath is a language used to locate elements in an XML or HTML document. Absolute and relative XPaths differ in their starting point.

• XPath is used to navigate through elements and attributes in an XML or HTML document

• Elements can be located using absolute or relative XPaths

• Absolute XPaths start from the root node and are more specific but less flexible

• Relative XPaths start from the current node and are more flexible but less specific

Python interview questions covering recursion, data types, exception handling, memory management, and more.

• Recursion is a function that calls itself. Example: factorial function.

• Python data types include integers, floats, strings, lists, tuples, and dictionaries.

• Negative indexing allows you to access elements from the end of a list or string. Example: my_list[-1] returns the last element.

• Exceptions are handled using try-except blocks. Example: try: some_code except SomeExcept...read more

Generating random emails in Python with constant domain

• Use the random module to generate random strings for the username part of the email

• Combine the random username with the constant domain name

• Ensure the generated email is unique if required

Synchronization is the process of coordinating the execution of multiple threads to ensure proper order of execution.

• Synchronization can be achieved using techniques like locks, semaphores, and monitors.

• Locks are used to ensure that only one thread can access a shared resource at a time.

• Semaphores are used to control access to a shared resource by limiting the number of threads that can access it at once.

• Monitors are used to ensure that only one thread can execute a critical ...read more

To open a file and read repeating words, use file handling and string manipulation techniques.

• Open the file using file handling techniques in the programming language of your choice.

• Read the contents of the file and store it in a string variable.

• Split the string into an array of words using a delimiter such as space or comma.

• Loop through the array and use a dictionary or hash table to count the frequency of each word.

• Print out the repeating words along with their frequency.

• Cl...read more

Print odd index elements from list1 and even index elements from list2 and combine them into a third list.

• Loop through both lists and use conditional statements to append the elements to the third list.

• Use the modulo operator to check for odd/even index.

• Final list should contain [6, 4, 12, 12, 18, 20].

To run a test suite using robotframework command line, use the 'robot' command followed by the path to the test suite file.

• Open the command prompt or terminal

• Navigate to the directory containing the test suite file

• Enter the command 'robot' followed by the name of the test suite file

• Add any additional options or arguments as needed

• Press enter to execute the command

• Example: robot my_test_suite.robot

• Example with options: robot --variable ENV:prod --outputdir results my_test_suit...read more

To select a value from dropdown in Selenium, use the Select class and its methods.

• Locate the dropdown element using any of the locators like ID, name, class name, etc.

• Create an object of the Select class and pass the dropdown element as a parameter.

• Use the Select class methods like selectByVisibleText(), selectByValue(), or selectByIndex() to select the desired option.

• Finally, use the assert statement to verify if the selected option is correct.

Python provides random module to generate random data and numbers.

• Import random module

• Use random.randint() to generate random integer within a range

• Use random.choice() to select a random element from a list

• Use random.random() to generate a random float between 0 and 1

• Use random.uniform() to generate a random float within a range

Yes, I have experience in mobile automation and have worked with various mobile automation tools.

• I have worked with Appium, a popular mobile automation tool, to automate testing on both Android and iOS platforms.

• I have developed and executed test scripts using Appium's WebDriver API to interact with mobile applications.

• I have experience in setting up mobile test environments, including configuring emulators and real devices for testing.

• I have used mobile automation frameworks...read more

Break, continue and pass are control statements used in loops. Break terminates the loop, continue skips an iteration and pass does nothing.

• Break is used to terminate a loop when a certain condition is met

• Continue is used to skip an iteration of a loop when a certain condition is met

• Pass is used as a placeholder when a statement is required syntactically but no action is needed

findelement returns the first matching element while findelements returns a list of all matching elements.

• findelement is used to locate the first matching element on a web page

• findelements is used to locate all matching elements on a web page

• findelement throws NoSuchElementException if no matching element is found

• findelements returns an empty list if no matching element is found

Answers to technical questions for Senior Automation Test Engineer position.

• chmod 644 example.txt permission means the owner has read and write access, while others have only read access.

• XPath is a language used to locate elements in an XML document or HTML page.

• To find an element by XPath in Selenium, use the findElement() method with the By.xpath() locator. For example: driver.findElement(By.xpath("//input[@id='username']"));

• To find an element by CSS in Selenium, use the fi...read more

Pull request is a feature in git that allows developers to review and merge code changes.

• A pull request is created when a developer wants to merge their changes into the main branch

• Other developers can review the changes and leave comments or suggestions

• Once the changes are approved, the pull request can be merged into the main branch

• To commit code, use the 'git commit' command with a message describing the changes made

• To resolve merge conflicts, use 'git merge' and manually ...read more

Demonstrating feature file step definitions with different sets of data in a previous project scenario

• Create a feature file with a scenario outline that includes placeholders for different sets of data

• Write step definitions that use the placeholders to run the scenario with different data sets

• Use data tables or examples in the feature file to provide the different sets of data

• Run the scenario with different data sets to ensure the automation test is working correctly

Use regular expressions to separate letters and digits from a string in Java.

• Use the String class's split() method with a regular expression to separate letters and digits.

• Create a regular expression pattern that matches either letters or digits.

• Store the separated letters and digits in separate arrays.

I would analyze the user stories and application functionality to identify the root cause of the mismatch and work towards resolving it.

• Review the user stories and application functionality to understand the discrepancies

• Communicate with stakeholders to clarify requirements and expectations

• Update test cases and automation scripts to align with the corrected user stories

• Collaborate with developers to address any underlying issues causing the mismatch

To count URLs in an HTML page using Selenium and open the URL containing your name, you can use a combination of Selenium WebDriver methods and regular expressions.

• Use Selenium WebDriver to navigate to the HTML page and retrieve its source code

• Use regular expressions to identify and count the URLs in the source code

• Iterate through the list of URLs to find the one containing your name

• Use Selenium WebDriver to open the URL containing your name

SQL query to find names of employees starting with 'A'

• Use the SELECT statement to retrieve data from the employee table

• Use the LIKE operator to match the names starting with 'A'

• Use the % wildcard to match any number of characters after 'A'

Mailing reports can be established by integrating email APIs with automation framework.

• Integrate email APIs like SMTP or SendGrid with automation framework

• Create functions to generate and send reports via email

• Configure email settings like recipient list, subject, body, etc.

• Implement error handling and logging for email sending failures

A lambda function is a small anonymous function that can take any number of arguments and return a single value.

• Lambda functions are also known as anonymous functions or closures.

• They are often used as arguments for higher-order functions, such as map, filter, and reduce.

• Example: lambda x: x**2 defines a lambda function that takes one argument and returns its square.

Selenium supports various locators such as ID, Name, Class Name, Tag Name, Link Text, Partial Link Text, CSS Selector and XPath.

• ID locator is the most efficient and reliable locator

• Name locator is used for locating elements by their name attribute

• Class Name locator is used for locating elements by their class attribute

• Tag Name locator is used for locating elements by their tag name

• Link Text locator is used for locating elements by their link text

• Partial Link Text locator is u...read more

Arrays are fixed in size, while lists can grow or shrink dynamically.

• Arrays are a collection of elements of the same data type, while lists can contain elements of different data types.

• Arrays are accessed using an index, while lists are accessed using an iterator.

• Arrays are faster for accessing elements, while lists are faster for inserting or deleting elements.

• Examples of arrays include int[] and char[], while examples of lists include ArrayList and LinkedList.

Python program to print repetitive characters in a list excluding integers

• Use a dictionary to store the count of each character

• Iterate through the list and check if the character is a string and not an integer

• Print the characters with count greater than 1