Вступ до PHPUnit для тестування PHP

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Питання-відповіді

What is PHPUnit?

PHPUnit is a unit testing framework for the PHP programming language.

Why is unit testing important in PHP development?

Unit testing helps ensure that each individual part of your code works correctly in isolation, making it easier to identify and fix bugs.

How do you install PHPUnit for testing PHP code?

You can install PHPUnit using Composer by running the command: `composer require -dev phpunit/phpunit`.

What is a test case in PHPUnit?

A test case is a class that contains multiple test methods, each testing a different aspect of your PHP code.

How do you run PHPUnit tests?

You can run PHPUnit tests from the command line by executing the `phpunit` command in the root directory of your project.

What are assertions in PHPUnit?

Assertions are used in PHPUnit to define the expected behavior of your code and verify that the actual output matches the expected output.

How can you test for exceptions in PHPUnit?

You can use the `expectException` method in PHPUnit to specify that a certain method should throw an exception under specific conditions.

What is the purpose of data providers in PHPUnit tests?

Data providers allow you to run the same test with multiple sets of data, making it easier to test a range of scenarios.

How do you generate code coverage reports with PHPUnit?

You can generate code coverage reports by running PHPUnit with the `-coverage-html` option followed by the desired output directory.

Why is continuous integration important in PHPUnit testing?

Continuous integration helps automate the process of running tests whenever code changes are made, ensuring that your PHP code remains reliable and bug-free.
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