ExtensionRegistryTest.php

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<?php
 
class ExtensionRegistryTest extends MediaWikiTestCase {
 
    private $dataDir;
 
    public function setUp() {
        parent::setUp();
        $this->dataDir = __DIR__ . '/../../data/registration';
    }
 
    public function testQueue_invalid() {
        $registry = new ExtensionRegistry();
        $path = __DIR__ . '/doesnotexist.json';
        $this->setExpectedException(
            Exception::class,
            "$path does not exist!"
        );
        $registry->queue( $path );
    }
 
    public function testQueue() {
        $registry = new ExtensionRegistry();
        $path = "{$this->dataDir}/good.json";
        $registry->queue( $path );
        $this->assertArrayHasKey(
            $path,
            $registry->getQueue()
        );
        $registry->clearQueue();
        $this->assertEmpty( $registry->getQueue() );
    }
 
    public function testLoadFromQueue_empty() {
        $registry = new ExtensionRegistry();
        $registry->loadFromQueue();
        $this->assertEmpty( $registry->getAllThings() );
    }
 
    public function testLoadFromQueue_late() {
        $registry = new ExtensionRegistry();
        $registry->finish();
        $registry->queue( "{$this->dataDir}/good.json" );
        $this->setExpectedException(
            MWException::class,
            "The following paths tried to load late: {$this->dataDir}/good.json"
        );
        $registry->loadFromQueue();
    }
 
    public function testLoadFromQueue() {
        $registry = new ExtensionRegistry();
        $registry->queue( "{$this->dataDir}/good.json" );
        $registry->loadFromQueue();
        $this->assertArrayHasKey( 'FooBar', $registry->getAllThings() );
        $this->assertTrue( $registry->isLoaded( 'FooBar' ) );
        $this->assertTrue( $registry->isLoaded( 'FooBar', '*' ) );
        $this->assertSame( [ 'test' ], $registry->getAttribute( 'FooBarAttr' ) );
        $this->assertSame( [], $registry->getAttribute( 'NotLoadedAttr' ) );
    }
 
    public function testLoadFromQueueWithConstraintWithVersion() {
        $registry = new ExtensionRegistry();
        $registry->queue( "{$this->dataDir}/good_with_version.json" );
        $registry->loadFromQueue();
        $this->assertTrue( $registry->isLoaded( 'FooBar', '>= 1.2.0' ) );
        $this->assertFalse( $registry->isLoaded( 'FooBar', '^1.3.0' ) );
    }
 
    public function testLoadFromQueueWithConstraintWithoutVersion() {
        $registry = new ExtensionRegistry();
        $registry->queue( "{$this->dataDir}/good.json" );
        $registry->loadFromQueue();
        $registry->isLoaded( 'FooBar', '>= 1.2.0' );
    }
 
    public function testReadFromQueue_nonexistent() {
        $registry = new ExtensionRegistry();
        $registry->readFromQueue( [
            __DIR__ . '/doesnotexist.json' => 1
        ] );
    }
 
    public function testReadFromQueueInitializeAutoloaderWithPsr4Namespaces() {
        $registry = new ExtensionRegistry();
        $registry->readFromQueue( [
            "{$this->dataDir}/autoload_namespaces.json" => 1
        ] );
        $this->assertTrue(
            class_exists( 'Test\\MediaWiki\\AutoLoader\\TestFooBar' ),
            "Registry initializes Autoloader from AutoloadNamespaces"
        );
    }
 
    public function testExportExtractedDataGlobals( $desc, $before, $globals, $expected ) {
        // Set globals for test
        if ( $before ) {
            foreach ( $before as $key => $value ) {
                // mw prefixed globals does not exist normally
                if ( substr( $key, 0, 2 ) == 'mw' ) {
                    $GLOBALS[$key] = $value;
                } else {
                    $this->setMwGlobals( $key, $value );
                }
            }
        }
 
        $info = [
            'globals' => $globals,
            'callbacks' => [],
            'defines' => [],
            'credits' => [],
            'attributes' => [],
            'autoloaderPaths' => []
        ];
        $registry = new ExtensionRegistry();
        $class = new ReflectionClass( ExtensionRegistry::class );
        $method = $class->getMethod( 'exportExtractedData' );
        $method->setAccessible( true );
        $method->invokeArgs( $registry, [ $info ] );
        foreach ( $expected as $name => $value ) {
            $this->assertArrayHasKey( $name, $GLOBALS, $desc );
            $this->assertEquals( $value, $GLOBALS[$name], $desc );
        }
 
        // Remove mw prefixed globals
        if ( $before ) {
            foreach ( $before as $key => $value ) {
                if ( substr( $key, 0, 2 ) == 'mw' ) {
                    unset( $GLOBALS[$key] );
                }
            }
        }
    }
 
    public static function provideExportExtractedDataGlobals() {
        // "mwtest" prefix used instead of "$wg" to avoid potential conflicts
        return [
            [
                'Simple non-array values',
                [
                    'mwtestFooBarConfig' => true,
                    'mwtestFooBarConfig2' => 'string',
                ],
                [
                    'mwtestFooBarDefault' => 1234,
                    'mwtestFooBarConfig' => false,
                ],
                [
                    'mwtestFooBarConfig' => true,
                    'mwtestFooBarConfig2' => 'string',
                    'mwtestFooBarDefault' => 1234,
                ],
            ],
            [
                'No global already set, simple array',
                null,
                [
                    'mwtestDefaultOptions' => [
                        'foobar' => true,
                    ]
                ],
                [
                    'mwtestDefaultOptions' => [
                        'foobar' => true,
                    ]
                ],
            ],
            [
                'Global already set, simple array',
                [
                    'mwtestDefaultOptions' => [
                        'foobar' => true,
                        'foo' => 'string'
                    ],
                ],
                [
                    'mwtestDefaultOptions' => [
                        'barbaz' => 12345,
                        'foobar' => false,
                    ],
                ],
                [
                    'mwtestDefaultOptions' => [
                        'barbaz' => 12345,
                        'foo' => 'string',
                        'foobar' => true,
                    ],
                ]
            ],
            [
                'Global already set, 1d array that appends',
                [
                    'mwAvailableRights' => [
                        'foobar',
                        'foo'
                    ],
                ],
                [
                    'mwAvailableRights' => [
                        'barbaz',
                    ],
                ],
                [
                    'mwAvailableRights' => [
                        'barbaz',
                        'foobar',
                        'foo',
                    ],
                ]
            ],
            [
                'Global already set, array with integer keys',
                [
                    'mwNamespacesFoo' => [
                        100 => true,
                        102 => false
                    ],
                ],
                [
                    'mwNamespacesFoo' => [
                        100 => false,
                        500 => true,
                        ExtensionRegistry::MERGE_STRATEGY => 'array_plus',
                    ],
                ],
                [
                    'mwNamespacesFoo' => [
                        100 => true,
                        102 => false,
                        500 => true,
                    ],
                ]
            ],
            [
                'No global already set, $wgHooks',
                [
                    'wgHooks' => [],
                ],
                [
                    'wgHooks' => [
                        'FooBarEvent' => [
                            'FooBarClass::onFooBarEvent'
                        ],
                        ExtensionRegistry::MERGE_STRATEGY => 'array_merge_recursive'
                    ],
                ],
                [
                    'wgHooks' => [
                        'FooBarEvent' => [
                            'FooBarClass::onFooBarEvent'
                        ],
                    ],
                ],
            ],
            [
                'Global already set, $wgHooks',
                [
                    'wgHooks' => [
                        'FooBarEvent' => [
                            'FooBarClass::onFooBarEvent'
                        ],
                        'BazBarEvent' => [
                            'FooBarClass::onBazBarEvent',
                        ],
                    ],
                ],
                [
                    'wgHooks' => [
                        'FooBarEvent' => [
                            'BazBarClass::onFooBarEvent',
                        ],
                        ExtensionRegistry::MERGE_STRATEGY => 'array_merge_recursive',
                    ],
                ],
                [
                    'wgHooks' => [
                        'FooBarEvent' => [
                            'FooBarClass::onFooBarEvent',
                            'BazBarClass::onFooBarEvent',
                        ],
                        'BazBarEvent' => [
                            'FooBarClass::onBazBarEvent',
                        ],
                    ],
                ],
            ],
            [
                'Global already set, $wgGroupPermissions',
                [
                    'wgGroupPermissions' => [
                        'sysop' => [
                            'something' => true,
                        ],
                        'user' => [
                            'somethingtwo' => true,
                        ]
                    ],
                ],
                [
                    'wgGroupPermissions' => [
                        'customgroup' => [
                            'right' => true,
                        ],
                        'user' => [
                            'right' => true,
                            'somethingtwo' => false,
                            'nonduplicated' => true,
                        ],
                        ExtensionRegistry::MERGE_STRATEGY => 'array_plus_2d',
                    ],
                ],
                [
                    'wgGroupPermissions' => [
                        'customgroup' => [
                            'right' => true,
                        ],
                        'sysop' => [
                            'something' => true,
                        ],
                        'user' => [
                            'somethingtwo' => true,
                            'right' => true,
                            'nonduplicated' => true,
                        ]
                    ],
                ],
            ],
            [
                'False local setting should not be overridden (T100767)',
                [
                    'mwtestT100767' => false,
                ],
                [
                    'mwtestT100767' => true,
                ],
                [
                    'mwtestT100767' => false,
                ],
            ],
            [
                'test array_replace_recursive',
                [
                    'mwtestJsonConfigs' => [
                        'JsonZeroConfig' => [
                            'namespace' => 480,
                            'nsName' => 'Zero',
                            'isLocal' => true,
                        ],
                    ],
                ],
                [
                    'mwtestJsonConfigs' => [
                        'JsonZeroConfig' => [
                            'isLocal' => false,
                            'remote' => [
                                'username' => 'foo',
                            ],
                        ],
                        ExtensionRegistry::MERGE_STRATEGY => 'array_replace_recursive',
                    ],
                ],
                [
                    'mwtestJsonConfigs' => [
                        'JsonZeroConfig' => [
                            'namespace' => 480,
                            'nsName' => 'Zero',
                            'isLocal' => false,
                            'remote' => [
                                'username' => 'foo',
                            ],
                        ],
                    ],
                ],
            ],
            [
                'global is null before',
                [
                    'NullGlobal' => null,
                ],
                [
                    'NullGlobal' => 'not-null'
                ],
                [
                    'NullGlobal' => null
                ],
            ],
        ];
    }
}