22 questions for “Unit Testing with PHPUnit”

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22 questions in 1 technology

#	Question	Technology	Topic	Level
1	What are assertions in PHPUnit, and how do commonly used assertions like assertEquals and assertTrue let you verify expected behavior within a test? PHP › Unit Testing with PHPUnit	PHP	Unit Testing with PHPUnit	Beginner
2	What are mock objects in PHPUnit, and why are they useful when testing a piece of code that depends on an external service, such as sending an email or calling a third party API? PHP › Unit Testing with PHPUnit	PHP	Unit Testing with PHPUnit	Intermediate
3	How do data providers in PHPUnit let you run the exact same test logic repeatedly against many different sets of input data, without duplicating the test method itself? PHP › Unit Testing with PHPUnit	PHP	Unit Testing with PHPUnit	Advanced
4	What is PHPUnit, and what is a unit test meant to actually verify about a piece of code? PHP › Unit Testing with PHPUnit	PHP	Unit Testing with PHPUnit	Beginner
5	What is test coverage, and why should achieving a high test coverage percentage not necessarily be treated as the sole ultimate goal of a testing strategy? PHP › Unit Testing with PHPUnit	PHP	Unit Testing with PHPUnit	Intermediate
6	What is the arrange act assert pattern, and how does structuring a test around these three distinct steps make tests clearer and easier to understand? PHP › Unit Testing with PHPUnit	PHP	Unit Testing with PHPUnit	Intermediate
7	How does test driven development, commonly abbreviated as TDD, change the typical order in which tests and actual implementation code are written, and what benefits does this workflow claim to offer? PHP › Unit Testing with PHPUnit	PHP	Unit Testing with PHPUnit	Advanced
8	What testing and continuous integration practices should a well maintained open source PHP package follow to ensure reliability across different PHP versions and dependency combinations? PHP › Package Development & Publishing with Composer	PHP	Package Development & Publishing with Composer	Advanced
9	What key sections should a well structured composer.json file for a publishable package include, beyond the basic name and dependencies? PHP › Package Development & Publishing with Composer	PHP	Package Development & Publishing with Composer	Intermediate
10	How does semantic versioning apply specifically to a published package, and why is carefully following it important for not breaking projects that depend on your package? PHP › Package Development & Publishing with Composer	PHP	Package Development & Publishing with Composer	Intermediate

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