Script testing strategies in Bash Scripting - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the purpose of testing a bash script?

Testing a bash script ensures it works correctly, handles errors gracefully, and produces the expected results before using it in real situations.

beginner

Name one simple way to test a bash script manually.

Run the script in a terminal with different inputs and observe if the output matches what you expect.

intermediate

What does 'set -e' do in a bash script during testing?

It makes the script stop immediately if any command returns a non-zero exit status, helping catch problems early.

intermediate

Why use automated tests for bash scripts?

Automated tests run scripts with predefined inputs and check outputs automatically, saving time and reducing human error.

beginner

What is a test case in script testing?

A test case is a set of inputs and expected outputs used to check if the script behaves correctly.

Which command helps stop a bash script when an error occurs?

A echo error

B set +x

C exit 0

D set -e

'set -e' stops the script immediately if any command fails, which helps catch errors during testing.

What is the main goal of script testing?

A To ensure the script works as expected

B To make the script run faster

C To add more comments

D To change the script language

Testing checks if the script behaves correctly and produces the right results.

Which of these is NOT a good testing strategy for bash scripts?

A Running the script with different inputs

B Ignoring error messages

C Using automated tests

D Checking output against expected results

Ignoring errors is bad; testing should catch and fix errors.

What does a test case include?

A User manual

B Only the script code

C Inputs and expected outputs

D Script comments

A test case defines what inputs to give and what outputs to expect.

Why automate bash script tests?

A To avoid running tests manually every time

B To make scripts longer

C To confuse users

D To slow down the script

Automation saves time and ensures consistent testing.

Explain how you would manually test a bash script to ensure it works correctly.

Think about how you try different examples and watch what happens.

Describe the benefits of using automated testing for bash scripts.

Consider why repeating tests by hand can be hard and how automation helps.