HooksTest.php

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<?php

class HooksTest extends MediaWikiTestCase {

        public function testOldStyleHooks() {
                $foo = 'Foo';
                $bar = 'Bar';

                $i = new NothingClass();

                global $wgHooks;

                $wgHooks['MediaWikiHooksTest001'][] = array( $i, 'someNonStatic' );

                wfRunHooks( 'MediaWikiHooksTest001', array( &$foo, &$bar ) );

                $this->assertEquals( 'fOO', $foo, 'Standard method' );
                $foo = 'Foo';

                $wgHooks['MediaWikiHooksTest001'][] = $i;

                wfRunHooks( 'MediaWikiHooksTest001', array( &$foo, &$bar ) );

                $this->assertEquals( 'foo', $foo, 'onEventName style' );
                $foo = 'Foo';

                $wgHooks['MediaWikiHooksTest001'][] = array( $i, 'someNonStaticWithData', 'baz' );

                wfRunHooks( 'MediaWikiHooksTest001', array( &$foo, &$bar ) );

                $this->assertEquals( 'baz', $foo, 'Data included' );
                $foo = 'Foo';

                $wgHooks['MediaWikiHooksTest001'][] = array( $i, 'someStatic' );

                wfRunHooks( 'MediaWikiHooksTest001', array( &$foo, &$bar ) );

                $this->assertEquals( 'bah', $foo, 'Standard static method' );
                //$foo = 'Foo';

                unset( $wgHooks['MediaWikiHooksTest001'] );

        }

        public function testNewStyleHooks() {
                $foo = 'Foo';
                $bar = 'Bar';

                $i = new NothingClass();

                Hooks::register( 'MediaWikiHooksTest001', array( $i, 'someNonStatic' ) );

                Hooks::run( 'MediaWikiHooksTest001', array( &$foo, &$bar ) );

                $this->assertEquals( 'fOO', $foo, 'Standard method' );
                $foo = 'Foo';

                Hooks::register( 'MediaWikiHooksTest001', $i );

                Hooks::run( 'MediaWikiHooksTest001', array( &$foo, &$bar ) );

                $this->assertEquals( 'foo', $foo, 'onEventName style' );
                $foo = 'Foo';

                Hooks::register( 'MediaWikiHooksTest001', array( $i, 'someNonStaticWithData', 'baz' ) );

                Hooks::run( 'MediaWikiHooksTest001', array( &$foo, &$bar ) );

                $this->assertEquals( 'baz', $foo, 'Data included' );
                $foo = 'Foo';

                Hooks::register( 'MediaWikiHooksTest001', array( $i, 'someStatic' ) );

                Hooks::run( 'MediaWikiHooksTest001', array( &$foo, &$bar ) );

                $this->assertEquals( 'bah', $foo, 'Standard static method' );
                $foo = 'Foo';
        }
}

class NothingClass {
        static public function someStatic( &$foo, &$bar ) {
                $foo = 'bah';
                return true;
        }

        public function someNonStatic( &$foo, &$bar ) {
                $foo = 'fOO';
                $bar = 'bAR';
                return true;
        }

        public function onMediaWikiHooksTest001( &$foo, &$bar ) {
                $foo = 'foo';
                return true;
        }

        public function someNonStaticWithData( $foo, &$bar ) {
                $bar = $foo;
                return true;
        }
}