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Ruleset::__construct(): add tests
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jrfnl committed Dec 14, 2024
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6 changes: 6 additions & 0 deletions tests/Core/Ruleset/ConstructorNoSniffsTest.xml
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<?xml version="1.0"?>
<ruleset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" name="ConstructorTest" xsi:noNamespaceSchemaLocation="https://raw.githubusercontent.com/PHPCSStandards/PHP_CodeSniffer/master/phpcs.xsd">

<file>.</file>

</ruleset>
293 changes: 293 additions & 0 deletions tests/Core/Ruleset/ConstructorTest.php
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<?php
/**
* Test the Ruleset::__construct() method.
*
* @author Juliette Reinders Folmer <phpcs_nospam@adviesenzo.nl>
* @copyright 2024 PHPCSStandards and contributors
* @license https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
*/

namespace PHP_CodeSniffer\Tests\Core\Ruleset;

use PHP_CodeSniffer\Autoload;
use PHP_CodeSniffer\Ruleset;
use PHP_CodeSniffer\Tests\ConfigDouble;
use PHP_CodeSniffer\Tests\Core\Ruleset\AbstractRulesetTestCase;

/**
* Test various aspects of the Ruleset::__construct() method not covered via other tests.
*
* @covers \PHP_CodeSniffer\Ruleset::__construct
*/
final class ConstructorTest extends AbstractRulesetTestCase
{


/**
* Test setting the ruleset name.
*
* @param array<string> $cliArgs The CLI args to pass to the Config.
* @param string $expected The expected set ruleset name.
*
* @dataProvider dataHandlingStandardsPassedViaCLI
*
* @return void
*/
public function testHandlingStandardsPassedViaCLI($cliArgs, $expected)
{
$config = new ConfigDouble($cliArgs);
$ruleset = new Ruleset($config);

$this->assertSame($expected, $ruleset->name);

}//end testHandlingStandardsPassedViaCLI()


/**
* Data provider.
*
* @see testHandlingStandardsPassedViaCLI()
*
* @return array<string, array<string, string|array<string>>>
*/
public static function dataHandlingStandardsPassedViaCLI()
{
return [
'Single standard passed' => [
'cliArgs' => ['--standard=PSR1'],
'expected' => 'PSR1',
],
'Multiple standards passed' => [
'cliArgs' => ['--standard=PSR1,Zend'],
'expected' => 'PSR1, Zend',
],
'Absolute path to standard directory passed' => [
'cliArgs' => [
'--standard='.__DIR__.DIRECTORY_SEPARATOR.'Fixtures'.DIRECTORY_SEPARATOR.'TestStandard',
// Limit this to a valid sniff to prevent running into error messages unrelated to what
// is being tested here.
'--sniffs=TestStandard.ValidSniffs.RegisterEmptyArray',
],
'expected' => 'TestStandard',
],
];

}//end dataHandlingStandardsPassedViaCLI()


/**
* Verify that standards are registered with the Autoloader.
*
* @param array<string> $cliArgs The CLI args to pass to the Config.
* @param array<string, string> $expected Minimum set of standards expected to be registered with the autoloader.
*
* @dataProvider dataStandardsAreRegisteredWithAutoloader
*
* @return void
*/
public function testStandardsAreRegisteredWithAutoloader($cliArgs, $expected)
{
$config = new ConfigDouble($cliArgs);
new Ruleset($config);

$autoloadPaths = Autoload::getSearchPaths();

// Note: doing a full comparison of the Autoloader registered standards would make this test unstable
// as the `CodeSniffer.conf` of the user running the tests could interfer if they have additional
// external standards registered.
// Also note that `--runtime-set` is being used to set `installed_paths` to prevent making any changes to
// the `CodeSniffer.conf` file of the user running the tests.
foreach ($expected as $path => $namespacedStandardName) {
$this->assertArrayHasKey($path, $autoloadPaths, "Path $path has not been registered with the autoloader");
$this->assertSame($namespacedStandardName, $autoloadPaths[$path], 'Expected (namespaced) standard name does not match');
}

}//end testStandardsAreRegisteredWithAutoloader()


/**
* Data provider.
*
* @see testStandardsAreRegisteredWithAutoloader()
*
* @return array<string, array<string, array<int|string, string>>>
*/
public static function dataStandardsAreRegisteredWithAutoloader()
{
$basePath = dirname(dirname(dirname(__DIR__))).DIRECTORY_SEPARATOR.'src'.DIRECTORY_SEPARATOR.'Standards'.DIRECTORY_SEPARATOR;
$defaultPaths = [
$basePath.'MySource' => 'MySource',
$basePath.'PEAR' => 'PEAR',
$basePath.'PSR1' => 'PSR1',
$basePath.'PSR12' => 'PSR12',
$basePath.'PSR2' => 'PSR2',
$basePath.'Squiz' => 'Squiz',
$basePath.'Zend' => 'Zend',
];

$data = [
'Default standards' => [
'cliArgs' => [
'--standard=PSR1',
'--runtime-set installed_paths .',
],
'expected' => $defaultPaths,
],
];

$extraInstalledPath = __DIR__.DIRECTORY_SEPARATOR.'Fixtures'.DIRECTORY_SEPARATOR.'DirectoryExpansion';
$extraInstalledPath .= DIRECTORY_SEPARATOR.'.hiddenAbove'.DIRECTORY_SEPARATOR.'src'.DIRECTORY_SEPARATOR.'MyStandard';
$data['Additional non-namespaced standard'] = [
'cliArgs' => [
'--standard=MyStandard',
'--runtime-set',
'installed_paths',
$extraInstalledPath,
],
'expected' => ($defaultPaths + [$extraInstalledPath => 'MyStandard']),
];

$extraInstalledPath = __DIR__.DIRECTORY_SEPARATOR.'Fixtures'.DIRECTORY_SEPARATOR.'TestStandard';
$data['Additional namespaced standard'] = [
'cliArgs' => [
'--standard=TestStandard',
'--runtime-set',
'installed_paths',
$extraInstalledPath,
// Limit this to a valid sniff to prevent running into error messages unrelated to what
// is being tested here.
'--sniffs=TestStandard.ValidSniffs.RegisterEmptyArray',
],
'expected' => ($defaultPaths + [$extraInstalledPath => 'Fixtures\TestStandard']),
];

return $data;

}//end dataStandardsAreRegisteredWithAutoloader()


/**
* Verify handling of sniff restrictions in combination with the caching setting.
*
* @param array<string> $cliArgs The CLI args to pass to the Config.
* @param bool $cache Whether to turn the cache on or off.
* @param array<string> $expected Sniffs which are expected to have been registered.
*
* @dataProvider dataCachingVersusRestrictions
*
* @return void
*/
public function testCachingVersusRestrictions($cliArgs, $cache, $expected)
{
$config = new ConfigDouble($cliArgs);

// Overrule the cache setting (which is being ignored in the Config when the tests are running).
$config->cache = $cache;

$ruleset = new Ruleset($config);

$actual = array_keys($ruleset->sniffs);
sort($actual);

$this->assertSame($expected, $actual);

}//end testCachingVersusRestrictions()


/**
* Data provider.
*
* Note: the test cases only use `--exclude` to restrict,
*
* @see testCachingVersusRestrictions()
*
* @return array<string, array<string, bool|array<string>>>
*/
public static function dataCachingVersusRestrictions()
{
$completeSet = [
'PHP_CodeSniffer\\Standards\\Generic\\Sniffs\\Files\\ByteOrderMarkSniff',
'PHP_CodeSniffer\\Standards\\Generic\\Sniffs\\NamingConventions\\UpperCaseConstantNameSniff',
'PHP_CodeSniffer\\Standards\\Generic\\Sniffs\\PHP\\DisallowAlternativePHPTagsSniff',
'PHP_CodeSniffer\\Standards\\Generic\\Sniffs\\PHP\\DisallowShortOpenTagSniff',
'PHP_CodeSniffer\\Standards\\PSR1\\Sniffs\\Classes\\ClassDeclarationSniff',
'PHP_CodeSniffer\\Standards\\PSR1\\Sniffs\\Files\\SideEffectsSniff',
'PHP_CodeSniffer\\Standards\\PSR1\\Sniffs\\Methods\\CamelCapsMethodNameSniff',
'PHP_CodeSniffer\\Standards\\Squiz\\Sniffs\\Classes\\ValidClassNameSniff',
];

return [
'No restrictions, cache off' => [
'cliArgs' => ['--standard=PSR1'],
'cache' => false,
'expected' => $completeSet,
],
'Has exclusions, cache off' => [
'cliArgs' => [
'--standard=PSR1',
'--exclude=Generic.Files.ByteOrderMark,Generic.PHP.DisallowShortOpenTag,PSR1.Files.SideEffects,Generic.PHP.DisallowAlternativePHPTags',
],
'cache' => false,
'expected' => [
'PHP_CodeSniffer\\Standards\\Generic\\Sniffs\\NamingConventions\\UpperCaseConstantNameSniff',
'PHP_CodeSniffer\\Standards\\PSR1\\Sniffs\\Classes\\ClassDeclarationSniff',
'PHP_CodeSniffer\\Standards\\PSR1\\Sniffs\\Methods\\CamelCapsMethodNameSniff',
'PHP_CodeSniffer\\Standards\\Squiz\\Sniffs\\Classes\\ValidClassNameSniff',
],
],
'Has sniff selection, cache off' => [
'cliArgs' => [
'--standard=PSR1',
'--sniffs=Generic.Files.ByteOrderMark,Generic.PHP.DisallowShortOpenTag,PSR1.Files.SideEffects,Generic.PHP.DisallowAlternativePHPTags',
],
'cache' => false,
'expected' => [
'PHP_CodeSniffer\\Standards\\Generic\\Sniffs\\Files\\ByteOrderMarkSniff',
'PHP_CodeSniffer\\Standards\\Generic\\Sniffs\\PHP\\DisallowAlternativePHPTagsSniff',
'PHP_CodeSniffer\\Standards\\Generic\\Sniffs\\PHP\\DisallowShortOpenTagSniff',
'PHP_CodeSniffer\\Standards\\PSR1\\Sniffs\\Files\\SideEffectsSniff',
],
],
'No restrictions, cache on' => [
'cliArgs' => ['--standard=PSR1'],
'cache' => true,
'expected' => $completeSet,
],
'Has exclusions, cache on' => [
'cliArgs' => [
'--standard=PSR1',
'--exclude=Generic.Files.ByteOrderMark,Generic.PHP.DisallowAlternativePHPTags,Generic.PHP.DisallowShortOpenTag,PSR1.Files.SideEffects',
],
'cache' => true,
'expected' => $completeSet,
],

/*
* "Has sniff selection, cache on" case cannot be tested due to the `Ruleset` class
* containing special handling of sniff selection when the tests are running.
*/

];

}//end dataCachingVersusRestrictions()


/**
* Test an exception is thrown when no sniffs have been registered via the ruleset.
*
* @return void
*/
public function testNoSniffsRegisteredException()
{
$standard = __DIR__.'/ConstructorNoSniffsTest.xml';
$config = new ConfigDouble(["--standard=$standard"]);

$message = 'No sniffs were registered';
$this->expectRuntimeExceptionMessage($message);

new Ruleset($config);

}//end testNoSniffsRegisteredException()


}//end class

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