<?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;
	}
}