gplx/mediawiki/extensions/SemanticMediaWiki/tests/phpunit/Utils/Mock/IteratorMockBuilder.php

124 lines
2.3 KiB
PHP

<?php
namespace SMW\Tests\Utils\Mock;
use RuntimeException;
/**
* Convenience mock builder for Iterator classes
* @group semantic-mediawiki
*
* @license GPL-2.0-or-later
* @since 2.0
*
* @author mwjames
*/
class IteratorMockBuilder extends \PHPUnit\Framework\TestCase {
private $iteratorClass;
private $items = [];
private $methods = [];
private $counter = 0;
/**
* @since 2.0
*
* @param string $iteratorClass
*
* @return IteratorMockBuilder
*/
public function setClass( $iteratorClass ) {
$this->iteratorClass = $iteratorClass;
return $this;
}
/**
* @since 2.0
*
* @param array $items
*
* @return IteratorMockBuilder
*/
public function with( array $items ) {
$this->items = $items;
return $this;
}
/**
* @since 2.5
*
* @param array $methods
*
* @return IteratorMockBuilder
*/
public function setMethods( array $methods ) {
$this->methods = $methods;
return $this;
}
/**
* @note When other methods called before the actual current/next then
* set the counter to ensure the starting point matches the expected
* InvokeCount.
*
* @since 2.5
*
* @param int $num
*
* @return IteratorMockBuilder
*/
public function incrementInvokedCounterBy( $num ) {
$this->counter += $num;
return $this;
}
/**
* @since 2.0
*
* @return \PHPUnit\Framework\MockObject\MockObject
* @throws RuntimeException
*/
public function getMockForIterator() {
$instance = $this->getMockBuilder( $this->iteratorClass )
->disableOriginalConstructor()
->setMethods( $this->methods )
->getMock();
if ( !$instance instanceof \Iterator ) {
throw new RuntimeException( "Instance is not an Iterator" );
}
$instance->expects( $this->at( $this->counter++ ) )
->method( 'rewind' );
foreach ( $this->items as $key => $value ) {
$instance->expects( $this->at( $this->counter++ ) )
->method( 'valid' )
->willReturn( true );
$instance->expects( $this->at( $this->counter++ ) )
->method( 'current' )
->willReturn( $value );
$instance->expects( $this->at( $this->counter++ ) )
->method( 'next' );
}
$instance->expects( $this->at( $this->counter++ ) )
->method( 'valid' )
->willReturn( false );
return $instance;
}
/**
* @since 2.0
*
* @return int
*/
public function getLastCounter() {
return $this->counter;
}
}