Bosch Global Software Technologies Senior Test Engineer Interview Questions, Process, and Tips

Q1. What is unit testing
Ans. 
Unit testing is a software testing method where individual units or components of a software are tested in isolation.
• Unit testing helps in identifying bugs early in the development process

• It ensures that each unit of code is working as expected

• Unit tests are usually automated and run frequently during development

• Examples of unit testing frameworks include JUnit for Java, NUnit for .NET, and pytest for Python
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Q2. How do you perform unit testing
Ans. 
Unit testing is performed by writing test cases for individual units or components of the software to ensure they work as expected.
• Write test cases for each unit or component of the software

• Execute the test cases to verify the functionality of the unit

• Check for expected outcomes and compare with actual results

• Use testing frameworks like JUnit, NUnit, or PyTest

• Automate unit tests to run them regularly during development
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Q3. Which tool you have used to perform unit testing please elaborate
Ans. 
I have used JUnit for performing unit testing in Java projects.
• JUnit is a popular unit testing framework for Java

• It provides annotations like @Test to define test methods

• JUnit assertions like assertEquals are used to verify expected results
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Round duration - 60 Minutes
Round difficulty - Medium

In this round , I was first asked some basic questions revolving around Software Testing in general and then when I told
the interviewer that I was more inclined towards Automation Testing he started asking me asking me questions around
that. In the end, the interviewer also asked me some questions related to SQL and DBMS.

Q1. Can you explain the Software Testing Life Cycle (STLC)?
Ans. 
STLC is a systematic process for testing software applications from planning to closure.
• STLC involves planning, designing, executing, and reporting on tests.

• Phases include requirement analysis, test planning, test design, test execution, and closure.

• Each phase has specific deliverables and goals to ensure quality software.

• Example: In requirement analysis, testers review requirements to identify testable features.
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Q2. What is the importance of agile testing?
Ans. 
Agile testing is important for ensuring continuous feedback, adapting to changes quickly, and delivering high-quality software.
• Agile testing allows for continuous feedback from stakeholders, leading to early detection and resolution of issues.

• It enables teams to adapt to changes quickly and efficiently, ensuring that the software meets evolving requirements.

• By incorporating testing throughout the development process, a...read more
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Q3. What is the difference between manual testing and automated testing?
Ans. 
Manual testing is done by humans executing test cases without automation tools, while automated testing is done using scripts and tools.
• Manual testing requires human intervention to execute test cases, while automated testing uses scripts and tools to run tests.

• Manual testing is time-consuming and prone to human error, while automated testing is faster and more reliable.

• Manual testing is suitable for exploratory testin...read more
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Q4. What are some of the best practices in test automation?
Ans. 
Best practices in test automation include proper planning, selecting the right tools, maintaining test scripts, and continuous integration.
• Proper planning before starting test automation to define goals, scope, and strategy.

• Selecting the right tools based on project requirements and team expertise.

• Maintaining test scripts regularly to keep them up-to-date and relevant.

• Implementing continuous integration to automate the...read more
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Q5. What are triggers in SQL?
Ans. 
Triggers in SQL are special stored procedures that are automatically executed or fired when certain events occur in a database.
• Triggers can be used to enforce business rules, maintain referential integrity, audit changes, and automate tasks.

• There are two main types of triggers: BEFORE triggers and AFTER triggers.

• Example: A trigger can be set to automatically update a timestamp column whenever a row is inserted or updat
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Q6. Can you explain the working of SQL privileges?
Ans. 
SQL privileges control access to database objects such as tables, views, and procedures.
• SQL privileges are permissions granted to users to perform specific actions on database objects.

• Privileges include SELECT, INSERT, UPDATE, DELETE, and EXECUTE.

• Users can be granted privileges at the database, table, or column level.

• Examples: GRANT SELECT ON table_name TO user_name, REVOKE INSERT ON table_name FROM user_name.
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Q7. How many aggregate functions are available in SQL?
Ans. 
There are five aggregate functions available in SQL: COUNT, SUM, AVG, MIN, and MAX.
• COUNT: Returns the number of rows that match a specified condition.

• SUM: Calculates the sum of a set of values.

• AVG: Calculates the average of a set of values.

• MIN: Returns the minimum value in a set of values.

• MAX: Returns the maximum value in a set of values.
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Round duration - 60 Minutes
Round difficulty - Medium

In this round, the interviewer asked me questions around BDD Frameworks, Cucumber and Selenium. At the end, I was also
asked some basic questions revolving around SQL.

Q1. Why should Selenium be selected as a testing tool for web applications or systems?
Ans. 
Selenium is a popular testing tool for web applications due to its flexibility, compatibility with multiple browsers, and robust features.
• Selenium supports multiple programming languages such as Java, Python, and C#, making it versatile for different teams and projects.

• It is compatible with various browsers like Chrome, Firefox, and Safari, ensuring comprehensive test coverage.

• Selenium offers a wide range of features f...read more
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Q2. Can you explain the JUnit annotations that are linked with Selenium?
Ans. 
JUnit annotations like @Before, @Test, @After are commonly used with Selenium for test automation.
• Annotations like @Before are used to set up preconditions before each test method

• Annotations like @Test are used to mark a method as a test method

• Annotations like @After are used to clean up after each test method
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Q3. What are the different components of Selenium?
Ans. 
Selenium has different components like Selenium IDE, Selenium WebDriver, Selenium Grid, and Selenium RC.
• Selenium IDE is a record and playback tool for creating test scripts without coding.

• Selenium WebDriver is a powerful tool for automating web applications across different browsers.

• Selenium Grid is used for parallel testing across multiple machines and browsers.

• Selenium RC (Remote Control) is a deprecated tool that al...read more
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Q4. What are annotations in Cucumber?
Ans. 
Annotations in Cucumber are tags used to define the behavior of the test methods.
• Annotations in Cucumber are used to mark a method as a step definition or a hook.

• Annotations help Cucumber to understand the relationship between the code and the feature file.

• Examples of annotations in Cucumber include @Given, @When, @Then for step definitions, and @Before, @After for hooks.
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Q5. What is the difference between Selenium and Cucumber?
Ans. 
Selenium is a tool used for automating web browsers, while Cucumber is a tool used for behavior-driven development.
• Selenium is a testing framework used for automating web browsers to perform testing on web applications.

• Cucumber is a tool that supports behavior-driven development (BDD) by allowing tests to be written in plain language.

• Selenium can be used with programming languages like Java, Python, etc., while Cucumbe...read more
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Q6. How can you run a selected test from a group of tests in Cucumber?
Ans. 
You can run a selected test from a group of tests in Cucumber by using tags and the cucumber command line interface.
• Add tags to the scenarios you want to run, for example @smokeTest or @regressionTest

• Use the cucumber command line interface to specify the tags you want to run, for example cucumber --tags @smokeTest

• You can also use regular expressions to run multiple tests based on specific criteria
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Q7. How do you find the second highest salary from a table in SQL?
Ans. 
Use a subquery to find the second highest salary in SQL.
• Use a subquery to select the maximum salary from the table.

• Then use another subquery to select the maximum salary that is less than the maximum salary found in the first step.

• This second maximum salary will be the second highest salary in the table.
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Q8. What is the ALIAS command in SQL?
Ans. 
ALIAS command in SQL is used to give a table or column a temporary name.
• ALIAS is used to make SQL queries more readable and concise.

• It is commonly used when joining tables to avoid ambiguity in column names.

• Example: SELECT e.employee_id, e.employee_name FROM employees AS e;
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Round duration - 30 Minutes
Round difficulty - Easy

This was a Technical Cum HR round where I was first asked some basic Java related concepts and then we discussed
about my expectations from the company , learnings and growth in the forthcomig years. I would suggest be honest and
try to communicate your thoughts properly in these type of rounds to maximise your chances of getting selected.