Improve ExtensionRegistry test coverage

[lhc/web/wiklou.git] / tests / phpunit / includes / registration / ExtensionRegistryTest.php

<?php

/**
 * @covers ExtensionRegistry
 */
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->assertSame( [ 'test' ], $registry->getAttribute( 'FooBarAttr' ) );
                $this->assertSame( [], $registry->getAttribute( 'NotLoadedAttr' ) );
        }

        /**
         * @expectedException PHPUnit_Framework_Error
         */
        public function testReadFromQueue_nonexistent() {
                $registry = new ExtensionRegistry();
                $registry->readFromQueue( [
                        __DIR__ . '/doesnotexist.json' => 1
                ] );
        }

        /**
         * @dataProvider provideExportExtractedDataGlobals
         */
        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
                                ],
                        ],
                ];
        }
}