One of the most time-consuming parts of writing tests is writing the code to set the world up in a known state and then return it to its original state when the test is complete

assertInstanceOf() assertInstanceOf($expected, $actual[, $message = ''])

In computer science, code coverage is a measure used to

assertContainsOnlyInstancesOf() assertContainsOnlyInstancesOf(string $classname, Traversable|array

@medium The @medium annotation is an alias for @group medium. A medium test must

assertDirectoryIsWritable() assertDirectoryIsWritable(string $directory[, string $message

@backupGlobals The backup and restore operations for global variables can be completely disabled for all tests of a test case class like this

assertTrue() assertTrue(bool $condition[, string $message = ''])

@group A test can be tagged as belonging to one or more groups using the @group annotation like this

PHPUnit The attributes of the <phpunit> element can be used to configure PHPUnit's core