tests/phpunit/includes/specials/SpecialPageTestBase.php

   1 <?php
   2
   3 /**
   4  * Base class for testing special pages.
   5  *
   6  * @since 1.26
   7  *
   8  * @licence GNU GPL v2+
   9  * @author Jeroen De Dauw < jeroendedauw@gmail.com >
  10  * @author Daniel Kinzler
  11  * @author Addshore
  12  * @author Thiemo Mättig
  13  */
  14 abstract class SpecialPageTestBase extends MediaWikiTestCase {
  15
  16         private $obLevel;
  17
  18         protected function setUp() {
  19                 parent::setUp();
  20
  21                 $this->obLevel = ob_get_level();
  22         }
  23
  24         protected function tearDown() {
  25                 $obLevel = ob_get_level();
  26
  27                 while ( ob_get_level() > $this->obLevel ) {
  28                         ob_end_clean();
  29                 }
  30
  31                 if ( $obLevel !== $this->obLevel ) {
  32                         $this->fail(
  33                                 "Test changed output buffer level: was {$this->obLevel} before test, but $obLevel after test."
  34                         );
  35                 }
  36
  37                 parent::tearDown();
  38         }
  39
  40         /**
  41          * Returns a new instance of the special page under test.
  42          *
  43          * @return SpecialPage
  44          */
  45         abstract protected function newSpecialPage();
  46
  47         /**
  48          * @param string $subPage The subpage parameter to call the page with
  49          * @param WebRequest|null $request Web request that may contain URL parameters, etc
  50          * @param Language|string|null $language The language which should be used in the context
  51          * @param User|null $user The user which should be used in the context of this special page
  52          *
  53          * @throws Exception
  54          * @return array( string, WebResponse ) A two-elements array containing the HTML output
  55          * generated by the special page as well as the response object.
  56          */
  57         protected function executeSpecialPage(
  58                 $subPage = '',
  59                 WebRequest $request = null,
  60                 $language = null,
  61                 User $user = null
  62         ) {
  63                 return ( new SpecialPageExecutor() )->executeSpecialPage(
  64                         $this->newSpecialPage(),
  65                         $subPage,
  66                         $request,
  67                         $language,
  68                         $user
  69                 );
  70         }
  71
  72 }