Add tests for 'LinkEnd' hook functionality

Change-Id: I5bd353756c0631b3dd1c214f814040d82d7c361f

diff --git a/tests/phpunit/includes/LinkerTest.php b/tests/phpunit/includes/LinkerTest.php
index e50b4f1..1372d85 100644 (file)
--- a/tests/phpunit/includes/LinkerTest.php
+++ b/tests/phpunit/includes/LinkerTest.php
@@ -309,4 +309,48 @@ class LinkerTest extends MediaWikiLangTestCase {
                ];
                // @codingStandardsIgnoreEnd
        }
+
+       public static function provideLinkEndHook() {
+               return [
+                       // Override $html
+                       [
+                               function( $dummy, $title, $options, &$html, &$attribs, &$ret ) {
+                                       $html = 'foobar';
+                               },
+                               '<a href="/wiki/Special:BlankPage" title="Special:BlankPage">foobar</a>'
+                       ],
+                       // Modify $attribs
+                       [
+                               function( $dummy, $title, $options, &$html, &$attribs, &$ret ) {
+                                       $attribs['bar'] = 'baz';
+                               },
+                               '<a href="/wiki/Special:BlankPage" title="Special:BlankPage" bar="baz">Special:BlankPage</a>'
+                       ],
+                       // Fully override return value and abort hook
+                       [
+                               function( $dummy, $title, $options, &$html, &$attribs, &$ret ) {
+                                       $ret = 'blahblahblah';
+                                       return false;
+                               },
+                               'blahblahblah'
+                       ],
+
+               ];
+       }
+
+       /**
+        * @dataProvider provideLinkEndHook
+        */
+       public function testLinkEndHook( $callback, $expected ) {
+               $this->setMwGlobals( [
+                       'wgArticlePath' => '/wiki/$1',
+                       'wgWellFormedXml' => true,
+               ] );
+
+               $this->setMwGlobals( 'wgHooks', [ 'LinkEnd' => [ $callback ] ] );
+
+               $title = SpecialPage::getTitleFor( 'Blankpage' );
+               $out = Linker::link( $title );
+               $this->assertEquals( $expected, $out );
+       }
 }