<?php

namespace Cite\Tests\Unit;

use Cite\Cite;
use Cite\Hooks\CiteParserHooks;
use Parser;
use ParserOptions;
use ParserOutput;
use StripState;

/**
 * @coversDefaultClass \Cite\Hooks\CiteParserHooks
 *
 * @license GPL-2.0-or-later
 */
class CiteParserHooksTest extends \MediaWikiUnitTestCase {

	/**
	 * @covers ::onParserFirstCallInit
	 */
	public function testOnParserFirstCallInit() {
		$parser = $this->createNoOpMock( Parser::class, [ 'setHook' ] );
		$expectedTags = [ 'ref' => true, 'references' => true ];
		$parser->expects( $this->exactly( 2 ) )
			->method( 'setHook' )
			->willReturnCallback( function ( $tag ) use ( &$expectedTags ) {
				$this->assertArrayHasKey( $tag, $expectedTags );
				unset( $expectedTags[$tag] );
			} );

		$citeParserHooks = new CiteParserHooks();
		$citeParserHooks->onParserFirstCallInit( $parser );
	}

	/**
	 * @covers ::onParserClearState
	 */
	public function testOnParserClearState() {
		$parser = $this->createParser();
		$parser->extCite = $this->createMock( Cite::class );

		$citeParserHooks = new CiteParserHooks();
		$citeParserHooks->onParserClearState( $parser );

		$this->assertFalse( isset( $parser->extCite ) );
	}

	/**
	 * @covers ::onParserCloned
	 */
	public function testOnParserCloned() {
		$parser = $this->createParser();
		$parser->extCite = $this->createMock( Cite::class );

		$citeParserHooks = new CiteParserHooks();
		$citeParserHooks->onParserCloned( $parser );

		$this->assertFalse( isset( $parser->extCite ) );
	}

	/**
	 * @covers ::onParserAfterParse
	 */
	public function testAfterParseHooks() {
		$cite = $this->createMock( Cite::class );
		$cite->expects( $this->once() )
			->method( 'checkRefsNoReferences' );

		$parserOptions = $this->createMock( ParserOptions::class );
		$parserOptions->method( 'getIsSectionPreview' )
			->willReturn( false );

		$parser = $this->createParser( [ 'getOptions', 'getOutput' ] );
		$parser->method( 'getOptions' )
			->willReturn( $parserOptions );
		$parser->method( 'getOutput' )
			->willReturn( $this->createMock( ParserOutput::class ) );
		$parser->extCite = $cite;

		$text = '';
		$citeParserHooks = new CiteParserHooks();
		$citeParserHooks->onParserAfterParse( $parser, $text, $this->createMock( StripState::class ) );
	}

	/**
	 * @param array $configurableMethods
	 * @return Parser
	 */
	private function createParser( $configurableMethods = [] ) {
		return $this->getMockBuilder( Parser::class )
			->disableOriginalConstructor()
			->onlyMethods( $configurableMethods )
			->getMock();
	}

}