Unit tests in Laravel - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is a unit test in Laravel?

A unit test in Laravel checks a small part of your code, like a single function or method, to make sure it works correctly on its own.

beginner

Which Laravel command runs all unit tests?

You run all unit tests in Laravel using the command php artisan test.

beginner

What is the purpose of the assertEquals() method in Laravel unit tests?

The assertEquals() method checks if two values are the same. It helps confirm that your code returns the expected result.

beginner

Where do Laravel unit test files usually live?

Laravel unit test files are usually stored in the tests/Unit folder.

intermediate

Why should unit tests be fast and isolated?

Unit tests should be fast and isolated so you can run them often without waiting long. Isolation means tests don’t depend on other parts, making it easier to find problems.

What does a Laravel unit test typically check?

A A small piece of code like a method

B The entire application flow

C Database migrations

D User interface design

Unit tests focus on small parts of code, such as methods or functions, to verify they work correctly.

Which folder contains Laravel unit tests by default?

A app/Http

B database/migrations

C resources/views

D tests/Unit

Laravel stores unit tests in the tests/Unit folder by default.

Which command runs Laravel tests from the terminal?

A php artisan test

B php artisan serve

C php artisan migrate

D php artisan make:test

The command php artisan test runs all tests including unit tests.

What does the assertion assertTrue($condition) check in a Laravel test?

A If $condition is false

B If $condition is null

C If $condition is true

D If $condition is a string

assertTrue checks that the given condition is true.

Why is it important for unit tests to be isolated?

A To test multiple features at once

B To avoid dependencies and find bugs easily

C To slow down the testing process

D To require a database connection

Isolation helps tests run independently, making it easier to find and fix bugs.

Explain what a unit test is in Laravel and why it is useful.

Think about testing one function or method alone.

Describe how to run Laravel unit tests and where to find the test files.

Consider the terminal command and folder structure.