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<?php
use MediaWiki\MainConfigNames;
use Wikimedia\TestingAccessWrapper;
/**
* @covers \MediaWiki\Debug\DeprecationHelper
*/
class DeprecationHelperTest extends MediaWikiIntegrationTestCase {
/** @var TestDeprecatedClass */
private $testClass;
/** @var TestDeprecatedSubclass */
private $testSubclass;
protected function setUp(): void {
parent::setUp();
$this->testClass = new TestDeprecatedClass();
$this->testSubclass = new TestDeprecatedSubclass();
$this->overrideConfigValue( MainConfigNames::DevelopmentWarnings, false );
}
/**
* @dataProvider provideGet
*/
public function testGet( $propName, $expectError, string $expectedMessage ) {
if ( $expectError === true ) {
try {
$this->testClass->$propName;
} catch ( Throwable $e ) {
$this->assertInstanceOf( Error::class, $e );
$this->assertSame( $expectedMessage, $e->getMessage() );
return;
}
$this->fail( 'Expected an error' );
} elseif ( $expectError ) {
$this->assertErrorTriggered( function () use ( $propName ) {
$this->assertSame( null, $this->testClass->$propName );
}, $expectError, $expectedMessage );
} else {
$this->assertDeprecationWarningIssued( function () use ( $propName ) {
$expectedValue = $propName === 'fallbackDeprecatedMethodName' ? 'FOO' : 1;
$this->assertSame( $expectedValue, $this->testClass->$propName );
}, $expectedMessage );
}
}
public static function provideGet() {
return [
[ 'protectedDeprecated', null,
'Use of TestDeprecatedClass::$protectedDeprecated was deprecated in MediaWiki 1.23. ' .
'[Called from DeprecationHelperTest::{closure' ],
[ 'privateDeprecated', null,
'Use of TestDeprecatedClass::$privateDeprecated was deprecated in MediaWiki 1.24. ' .
'[Called from DeprecationHelperTest::{closure' ],
[ 'fallbackDeprecated', null,
'Use of TestDeprecatedClass::$fallbackDeprecated was deprecated in MediaWiki 1.25. ' .
'[Called from DeprecationHelperTest::{closure' ],
[ 'fallbackDeprecatedMethodName', null,
'Use of TestDeprecatedClass::$fallbackDeprecatedMethodName was deprecated in MediaWiki 1.26. ' .
'[Called from DeprecationHelperTest::{closure' ],
[ 'fallbackGetterOnly', null,
'Use of TestDeprecatedClass::$fallbackGetterOnly was deprecated in MediaWiki 1.25. ' .
'[Called from DeprecationHelperTest::{closure' ],
[ 'protectedNonDeprecated', true,
'Cannot access non-public property TestDeprecatedClass::$protectedNonDeprecated' ],
[ 'privateNonDeprecated', true,
'Cannot access non-public property TestDeprecatedClass::$privateNonDeprecated' ],
[ 'nonExistent', E_USER_NOTICE, 'Undefined property: TestDeprecatedClass::$nonExistent' ],
];
}
public function testDeprecateDynamicPropertyAccess() {
$testObject = new class extends TestDeprecatedClass {
public function __construct() {
parent::__construct();
$this->deprecateDynamicPropertiesAccess( '1.23' );
}
};
$this->assertDeprecationWarningIssued(
static function () use ( $testObject ) {
$testObject->dynamic_property = 'bla';
},
'Use of TestDeprecatedClass::$dynamic_property was deprecated in MediaWiki 1.23. ' .
'[Called from DeprecationHelperTest::{closure'
);
}
public function testDynamicPropertyNullCoalesce() {
$testObject = new TestDeprecatedClass();
$this->assertSame( 'bla', $testObject->dynamic_property ?? 'bla' );
}
public function testDynamicPropertyNullCoalesceDeprecated() {
$testObject = new class extends TestDeprecatedClass {
public function __construct() {
parent::__construct();
$this->deprecateDynamicPropertiesAccess( '1.23' );
}
};
$this->assertDeprecationWarningIssued(
function () use ( $testObject ) {
$this->assertSame( 'bla', $testObject->dynamic_property ?? 'bla' );
},
'Use of TestDeprecatedClass::$dynamic_property was deprecated in MediaWiki 1.23. ' .
'[Called from DeprecationHelperTest::{closure'
);
}
public function testDynamicPropertyOnMockObject() {
$testObject = $this->getMockBuilder( TestDeprecatedClass::class )
->enableProxyingToOriginalMethods()
->getMock();
$testObject->blabla = 'test';
$this->assertSame( 'test', $testObject->blabla );
}
/**
* @dataProvider provideSet
*/
public function testSet( $propName, $expectedError, $expectedMessage, $expectedValue = 0 ) {
$this->assertPropertySame( 1, $this->testClass, $propName );
if ( $expectedError === true ) {
// Test the hard error, not the deprecation warning in front of it, tested elsewhere
$this->hideDeprecated( 'TestDeprecatedClass::$fallbackGetterOnly' );
try {
$this->testClass->$propName = 0;
} catch ( Throwable $e ) {
$this->assertSame( $expectedMessage, $e->getMessage() );
$this->assertInstanceOf( Error::class, $e );
return;
}
$this->fail( 'Expected an error' );
} else {
if ( $propName === 'nonExistent' ) {
$this->testClass->$propName = 0;
} else {
$this->assertDeprecationWarningIssued( function () use ( $propName ) {
$this->testClass->$propName = 0;
}, $expectedMessage );
}
$this->assertPropertySame( 0, $this->testClass, $propName );
}
$this->assertPropertySame( $expectedValue, $this->testClass, $propName );
}
public static function provideSet() {
return [
[ 'protectedDeprecated', null,
'Use of TestDeprecatedClass::$protectedDeprecated was deprecated in MediaWiki 1.23. ' .
'[Called from DeprecationHelperTest::{closure' ],
[ 'privateDeprecated', null,
'Use of TestDeprecatedClass::$privateDeprecated was deprecated in MediaWiki 1.24. ' .
'[Called from DeprecationHelperTest::{closure' ],
[ 'fallbackDeprecated', null,
'Use of TestDeprecatedClass::$fallbackDeprecated was deprecated in MediaWiki 1.25. ' .
'[Called from DeprecationHelperTest::{closure' ],
[ 'fallbackDeprecatedMethodName', null,
'Use of TestDeprecatedClass::$fallbackDeprecatedMethodName was deprecated in MediaWiki 1.26. ' .
'[Called from DeprecationHelperTest::{closure' ],
[ 'fallbackGetterOnly', true,
'Cannot access non-public property TestDeprecatedClass::$fallbackGetterOnly' ],
[ 'protectedNonDeprecated', true,
'Cannot access non-public property TestDeprecatedClass::$protectedNonDeprecated', 1 ],
[ 'privateNonDeprecated', true,
'Cannot access non-public property TestDeprecatedClass::$privateNonDeprecated', 1 ],
[ 'nonExistent', null,
'Use of TestDeprecatedClass::$nonExistent was deprecated in MediaWiki 1.23. ' .
'[Called from DeprecationHelperTest::{closure' ],
];
}
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() {
$fullName = 'TestDeprecatedClass::$privateNonDeprecated';
$this->assertErrorCaught( function () {
$this->assertSame( null, $this->testSubclass->getNondeprecatedPrivateParentProperty() );
}, Error::class, "Cannot access non-public property $fullName" );
$this->assertErrorCaught( function () {
$this->testSubclass->setNondeprecatedPrivateParentProperty( 0 );
$wrapper = TestingAccessWrapper::newFromObject( $this->testSubclass );
$this->assertSame( 1, $wrapper->privateNonDeprecated );
}, Error::class, "Cannot access non-public property $fullName" );
$fullName = 'TestDeprecatedSubclass::$subclassPrivateNondeprecated';
$this->assertErrorCaught( function () {
$this->assertSame( null, $this->testSubclass->subclassPrivateNondeprecated );
}, Error::class, "Cannot access non-public property $fullName" );
$this->assertErrorCaught( function () {
$this->testSubclass->subclassPrivateNondeprecated = 0;
$wrapper = TestingAccessWrapper::newFromObject( $this->testSubclass );
$this->assertSame( 1, $wrapper->subclassPrivateNondeprecated );
}, Error::class, "Cannot access non-public property $fullName" );
}
protected function assertErrorCaught( callable $callback, $name, $message ) {
$actualClass = $actualMessage = null;
try {
$callback();
} catch ( Throwable $e ) {
$actualClass = get_class( $e );
$actualMessage = $e->getMessage();
}
$this->assertSame( $name, $actualClass );
$this->assertSame( $message, $actualMessage );
}
protected function assertErrorTriggered( callable $callback, $level, $message ) {
$actualLevel = $actualMessage = null;
set_error_handler( static 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, string $expectedMessage ) {
$this->expectDeprecationAndContinue( '/' . preg_quote( $expectedMessage, '/' ) . '/' );
$callback();
}
/**
* Test bad MW version values to throw exceptions as expected
*
* @dataProvider provideBadMWVersion
*/
public function testBadMWVersion( $version, $expected ) {
$this->expectException( $expected );
wfDeprecated( __METHOD__, $version );
}
public static function provideBadMWVersion() {
return [
[ 1, Exception::class ],
[ 1.33, Exception::class ],
[ true, Exception::class ],
[ null, Exception::class ]
];
}
}