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<?php
use Wikimedia\TestingAccessWrapper;
/**
* @covers DeprecationHelper
*/
class DeprecationHelperTest extends MediaWikiTestCase {
/** @var TestDeprecatedClass */
private $testClass;
/** @var TestDeprecatedSubclass */
private $testSubclass;
public function setUp() {
parent::setUp();
$this->testClass = new TestDeprecatedClass();
$this->testSubclass = new TestDeprecatedSubclass();
$this->setMwGlobals( 'wgDevelopmentWarnings', false );
}
/**
* @dataProvider provideGet
*/
public function testGet( $propName, $expectedLevel, $expectedMessage ) {
if ( $expectedLevel ) {
$this->assertErrorTriggered( function () use ( $propName ) {
$this->assertSame( null, $this->testClass->$propName );
}, $expectedLevel, $expectedMessage );
} else {
$this->assertDeprecationWarningIssued( function () use ( $propName ) {
$this->assertSame( 1, $this->testClass->$propName );
} );
}
}
public function provideGet() {
return [
[ 'protectedDeprecated', null, null ],
[ 'protectedNonDeprecated', E_USER_ERROR,
'Cannot access non-public property TestDeprecatedClass::$protectedNonDeprecated' ],
[ 'privateDeprecated', null, null ],
[ 'privateNonDeprecated', E_USER_ERROR,
'Cannot access non-public property TestDeprecatedClass::$privateNonDeprecated' ],
[ 'nonExistent', E_USER_NOTICE, 'Undefined property: TestDeprecatedClass::$nonExistent' ],
];
}
/**
* @dataProvider provideSet
*/
public function testSet( $propName, $expectedLevel, $expectedMessage ) {
$this->assertPropertySame( 1, $this->testClass, $propName );
if ( $expectedLevel ) {
$this->assertErrorTriggered( function () use ( $propName ) {
$this->testClass->$propName = 0;
$this->assertPropertySame( 1, $this->testClass, $propName );
}, $expectedLevel, $expectedMessage );
} else {
if ( $propName === 'nonExistent' ) {
$this->testClass->$propName = 0;
} else {
$this->assertDeprecationWarningIssued( function () use ( $propName ) {
$this->testClass->$propName = 0;
} );
}
$this->assertPropertySame( 0, $this->testClass, $propName );
}
}
public function provideSet() {
return [
[ 'protectedDeprecated', null, null ],
[ 'protectedNonDeprecated', E_USER_ERROR,
'Cannot access non-public property TestDeprecatedClass::$protectedNonDeprecated' ],
[ 'privateDeprecated', null, null ],
[ 'privateNonDeprecated', E_USER_ERROR,
'Cannot access non-public property TestDeprecatedClass::$privateNonDeprecated' ],
[ 'nonExistent', null, null ],
];
}
public function testInternalGet() {
$this->assertSame( [
'prod' => 1,
'prond' => 1,
'prid' => 1,
'prind' => 1,
], $this->testClass->getThings() );
}
public function testInternalSet() {
$this->testClass->setThings( 2, 2, 2, 2 );
$wrapper = TestingAccessWrapper::newFromObject( $this->testClass );
$this->assertSame( 2, $wrapper->protectedDeprecated );
$this->assertSame( 2, $wrapper->protectedNonDeprecated );
$this->assertSame( 2, $wrapper->privateDeprecated );
$this->assertSame( 2, $wrapper->privateNonDeprecated );
}
public function testSubclassGetSet() {
$this->assertDeprecationWarningIssued( function () {
$this->assertSame( 1, $this->testSubclass->getDeprecatedPrivateParentProperty() );
} );
$this->assertDeprecationWarningIssued( function () {
$this->testSubclass->setDeprecatedPrivateParentProperty( 0 );
} );
$wrapper = TestingAccessWrapper::newFromObject( $this->testSubclass );
$this->assertSame( 0, $wrapper->privateDeprecated );
$fullName = 'TestDeprecatedClass::$privateNonDeprecated';
$this->assertErrorTriggered( function () {
$this->assertSame( null, $this->testSubclass->getNonDeprecatedPrivateParentProperty() );
}, E_USER_ERROR, "Cannot access non-public property $fullName" );
$this->assertErrorTriggered( function () {
$this->testSubclass->setNonDeprecatedPrivateParentProperty( 0 );
$wrapper = TestingAccessWrapper::newFromObject( $this->testSubclass );
$this->assertSame( 1, $wrapper->privateNonDeprecated );
}, E_USER_ERROR, "Cannot access non-public property $fullName" );
}
protected function assertErrorTriggered( callable $callback, $level, $message ) {
$actualLevel = $actualMessage = null;
set_error_handler( function ( $errorCode, $errorStr ) use ( &$actualLevel, &$actualMessage ) {
$actualLevel = $errorCode;
$actualMessage = $errorStr;
} );
$callback();
restore_error_handler();
$this->assertSame( $level, $actualLevel );
$this->assertSame( $message, $actualMessage );
}
protected function assertPropertySame( $expected, $object, $propName ) {
try {
$this->assertSame( $expected, TestingAccessWrapper::newFromObject( $object )->$propName );
} catch ( ReflectionException $e ) {
if ( !preg_match( "/Property (TestDeprecated(Class|Subclass)::)?$propName does not exist/",
$e->getMessage() )
) {
throw $e;
}
// property_exists accepts monkey-patching, Reflection / TestingAccessWrapper doesn't
if ( property_exists( $object, $propName ) ) {
$this->assertSame( $expected, $object->$propName );
}
}
}
protected function assertDeprecationWarningIssued( callable $callback ) {
MWDebug::clearLog();
$callback();
$wrapper = TestingAccessWrapper::newFromClass( MWDebug::class );
$this->assertNotEmpty( $wrapper->deprecationWarnings );
}
}
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