]> scripts.mit.edu Git - autoinstallsdev/mediawiki.git/blobdiff - tests/phpunit/includes/api/ApiComparePagesTest.php
MediaWiki 1.30.2
[autoinstallsdev/mediawiki.git] / tests / phpunit / includes / api / ApiComparePagesTest.php
diff --git a/tests/phpunit/includes/api/ApiComparePagesTest.php b/tests/phpunit/includes/api/ApiComparePagesTest.php
new file mode 100644 (file)
index 0000000..989d6bb
--- /dev/null
@@ -0,0 +1,611 @@
+<?php
+
+/**
+ * @group API
+ * @group Database
+ * @group medium
+ * @covers ApiComparePages
+ */
+class ApiComparePagesTest extends ApiTestCase {
+
+       protected static $repl = [];
+
+       protected function setUp() {
+               parent::setUp();
+
+               // Set $wgExternalDiffEngine to something bogus to try to force use of
+               // the PHP engine rather than wikidiff2.
+               $this->setMwGlobals( [
+                       'wgExternalDiffEngine' => '/dev/null',
+               ] );
+       }
+
+       protected function addPage( $page, $text, $model = CONTENT_MODEL_WIKITEXT ) {
+               $title = Title::newFromText( 'ApiComparePagesTest ' . $page );
+               $content = ContentHandler::makeContent( $text, $title, $model );
+
+               $page = WikiPage::factory( $title );
+               $user = static::getTestSysop()->getUser();
+               $status = $page->doEditContent(
+                       $content, 'Test for ApiComparePagesTest: ' . $text, 0, false, $user
+               );
+               if ( !$status->isOk() ) {
+                       $this->fail( "Failed to create $title: " . $status->getWikiText( false, false, 'en' ) );
+               }
+               return $status->value['revision']->getId();
+       }
+
+       public function addDBDataOnce() {
+               $user = static::getTestSysop()->getUser();
+               self::$repl['creator'] = $user->getName();
+               self::$repl['creatorid'] = $user->getId();
+
+               self::$repl['revA1'] = $this->addPage( 'A', 'A 1' );
+               self::$repl['revA2'] = $this->addPage( 'A', 'A 2' );
+               self::$repl['revA3'] = $this->addPage( 'A', 'A 3' );
+               self::$repl['revA4'] = $this->addPage( 'A', 'A 4' );
+               self::$repl['pageA'] = Title::newFromText( 'ApiComparePagesTest A' )->getArticleId();
+
+               self::$repl['revB1'] = $this->addPage( 'B', 'B 1' );
+               self::$repl['revB2'] = $this->addPage( 'B', 'B 2' );
+               self::$repl['revB3'] = $this->addPage( 'B', 'B 3' );
+               self::$repl['revB4'] = $this->addPage( 'B', 'B 4' );
+               self::$repl['pageB'] = Title::newFromText( 'ApiComparePagesTest B' )->getArticleId();
+
+               self::$repl['revC1'] = $this->addPage( 'C', 'C 1' );
+               self::$repl['revC2'] = $this->addPage( 'C', 'C 2' );
+               self::$repl['revC3'] = $this->addPage( 'C', 'C 3' );
+               self::$repl['pageC'] = Title::newFromText( 'ApiComparePagesTest C' )->getArticleId();
+
+               $id = $this->addPage( 'D', 'D 1' );
+               self::$repl['pageD'] = Title::newFromText( 'ApiComparePagesTest D' )->getArticleId();
+               wfGetDB( DB_MASTER )->delete( 'revision', [ 'rev_id' => $id ] );
+
+               self::$repl['revE1'] = $this->addPage( 'E', 'E 1' );
+               self::$repl['revE2'] = $this->addPage( 'E', 'E 2' );
+               self::$repl['revE3'] = $this->addPage( 'E', 'E 3' );
+               self::$repl['revE4'] = $this->addPage( 'E', 'E 4' );
+               self::$repl['pageE'] = Title::newFromText( 'ApiComparePagesTest E' )->getArticleId();
+               wfGetDB( DB_MASTER )->update(
+                       'page', [ 'page_latest' => 0 ], [ 'page_id' => self::$repl['pageE'] ]
+               );
+
+               WikiPage::factory( Title::newFromText( 'ApiComparePagesTest C' ) )
+                       ->doDeleteArticleReal( 'Test for ApiComparePagesTest' );
+
+               RevisionDeleter::createList(
+                       'revision',
+                       RequestContext::getMain(),
+                       Title::newFromText( 'ApiComparePagesTest B' ),
+                       [ self::$repl['revB2'] ]
+               )->setVisibility( [
+                       'value' => [
+                               Revision::DELETED_TEXT => 1,
+                               Revision::DELETED_USER => 1,
+                               Revision::DELETED_COMMENT => 1,
+                       ],
+                       'comment' => 'Test for ApiComparePages',
+               ] );
+
+               RevisionDeleter::createList(
+                       'revision',
+                       RequestContext::getMain(),
+                       Title::newFromText( 'ApiComparePagesTest B' ),
+                       [ self::$repl['revB3'] ]
+               )->setVisibility( [
+                       'value' => [
+                               Revision::DELETED_USER => 1,
+                               Revision::DELETED_COMMENT => 1,
+                               Revision::DELETED_RESTRICTED => 1,
+                       ],
+                       'comment' => 'Test for ApiComparePages',
+               ] );
+
+               Title::clearCaches(); // Otherwise it has the wrong latest revision for some reason
+       }
+
+       protected function doReplacements( &$value ) {
+               if ( is_string( $value ) ) {
+                       if ( preg_match( '/^{{REPL:(.+?)}}$/', $value, $m ) ) {
+                               $value = self::$repl[$m[1]];
+                       } else {
+                               $value = preg_replace_callback( '/{{REPL:(.+?)}}/', function ( $m ) {
+                                       return isset( self::$repl[$m[1]] ) ? self::$repl[$m[1]] : $m[0];
+                               }, $value );
+                       }
+               } elseif ( is_array( $value ) || is_object( $value ) ) {
+                       foreach ( $value as &$v ) {
+                               $this->doReplacements( $v );
+                       }
+                       unset( $v );
+               }
+       }
+
+       /**
+        * @dataProvider provideDiff
+        */
+       public function testDiff( $params, $expect, $exceptionCode = false, $sysop = false ) {
+               $this->doReplacements( $params );
+
+               $params += [
+                       'action' => 'compare',
+               ];
+
+               $user = $sysop
+                       ? static::getTestSysop()->getUser()
+                       : static::getTestUser()->getUser();
+               if ( $exceptionCode ) {
+                       try {
+                               $this->doApiRequest( $params, null, false, $user );
+                               $this->fail( 'Expected exception not thrown' );
+                       } catch ( ApiUsageException $ex ) {
+                               $this->assertTrue( $this->apiExceptionHasCode( $ex, $exceptionCode ),
+                                       "Exception with code $exceptionCode" );
+                       }
+               } else {
+                       $apiResult = $this->doApiRequest( $params, null, false, $user );
+                       $apiResult = $apiResult[0];
+                       $this->doReplacements( $expect );
+                       $this->assertEquals( $expect, $apiResult );
+               }
+       }
+
+       public static function provideDiff() {
+               return [
+                       // @codingStandardsIgnoreStart Ignore Generic.Files.LineLength.TooLong
+                       'Basic diff, titles' => [
+                               [
+                                       'fromtitle' => 'ApiComparePagesTest A',
+                                       'totitle' => 'ApiComparePagesTest B',
+                               ],
+                               [
+                                       'compare' => [
+                                               'fromid' => '{{REPL:pageA}}',
+                                               'fromrevid' => '{{REPL:revA4}}',
+                                               'fromns' => 0,
+                                               'fromtitle' => 'ApiComparePagesTest A',
+                                               'toid' => '{{REPL:pageB}}',
+                                               'torevid' => '{{REPL:revB4}}',
+                                               'tons' => 0,
+                                               'totitle' => 'ApiComparePagesTest B',
+                                               'body' => '<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td>' . "\n"
+                                                       . '<td colspan="2" class="diff-lineno">Line 1:</td></tr>' . "\n"
+                                                       . '<tr><td class=\'diff-marker\'>−</td><td class=\'diff-deletedline\'><div><del class="diffchange diffchange-inline">A </del>4</div></td><td class=\'diff-marker\'>+</td><td class=\'diff-addedline\'><div><ins class="diffchange diffchange-inline">B </ins>4</div></td></tr>' . "\n",
+                                       ]
+                               ],
+                       ],
+                       'Basic diff, page IDs' => [
+                               [
+                                       'fromid' => '{{REPL:pageA}}',
+                                       'toid' => '{{REPL:pageB}}',
+                               ],
+                               [
+                                       'compare' => [
+                                               'fromid' => '{{REPL:pageA}}',
+                                               'fromrevid' => '{{REPL:revA4}}',
+                                               'fromns' => 0,
+                                               'fromtitle' => 'ApiComparePagesTest A',
+                                               'toid' => '{{REPL:pageB}}',
+                                               'torevid' => '{{REPL:revB4}}',
+                                               'tons' => 0,
+                                               'totitle' => 'ApiComparePagesTest B',
+                                               'body' => '<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td>' . "\n"
+                                                       . '<td colspan="2" class="diff-lineno">Line 1:</td></tr>' . "\n"
+                                                       . '<tr><td class=\'diff-marker\'>−</td><td class=\'diff-deletedline\'><div><del class="diffchange diffchange-inline">A </del>4</div></td><td class=\'diff-marker\'>+</td><td class=\'diff-addedline\'><div><ins class="diffchange diffchange-inline">B </ins>4</div></td></tr>' . "\n",
+                                       ]
+                               ],
+                       ],
+                       'Basic diff, revision IDs' => [
+                               [
+                                       'fromrev' => '{{REPL:revA2}}',
+                                       'torev' => '{{REPL:revA3}}',
+                               ],
+                               [
+                                       'compare' => [
+                                               'fromid' => '{{REPL:pageA}}',
+                                               'fromrevid' => '{{REPL:revA2}}',
+                                               'fromns' => 0,
+                                               'fromtitle' => 'ApiComparePagesTest A',
+                                               'toid' => '{{REPL:pageA}}',
+                                               'torevid' => '{{REPL:revA3}}',
+                                               'tons' => 0,
+                                               'totitle' => 'ApiComparePagesTest A',
+                                               'body' => '<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td>' . "\n"
+                                                       . '<td colspan="2" class="diff-lineno">Line 1:</td></tr>' . "\n"
+                                                       . '<tr><td class=\'diff-marker\'>−</td><td class=\'diff-deletedline\'><div>A <del class="diffchange diffchange-inline">2</del></div></td><td class=\'diff-marker\'>+</td><td class=\'diff-addedline\'><div>A <ins class="diffchange diffchange-inline">3</ins></div></td></tr>' . "\n",
+                                       ]
+                               ],
+                       ],
+                       'Basic diff, deleted revision ID as sysop' => [
+                               [
+                                       'fromrev' => '{{REPL:revA2}}',
+                                       'torev' => '{{REPL:revC2}}',
+                               ],
+                               [
+                                       'compare' => [
+                                               'fromid' => '{{REPL:pageA}}',
+                                               'fromrevid' => '{{REPL:revA2}}',
+                                               'fromns' => 0,
+                                               'fromtitle' => 'ApiComparePagesTest A',
+                                               'toid' => 0,
+                                               'torevid' => '{{REPL:revC2}}',
+                                               'tons' => 0,
+                                               'totitle' => 'ApiComparePagesTest C',
+                                               'toarchive' => true,
+                                               'body' => '<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td>' . "\n"
+                                                       . '<td colspan="2" class="diff-lineno">Line 1:</td></tr>' . "\n"
+                                                       . '<tr><td class=\'diff-marker\'>−</td><td class=\'diff-deletedline\'><div><del class="diffchange diffchange-inline">A </del>2</div></td><td class=\'diff-marker\'>+</td><td class=\'diff-addedline\'><div><ins class="diffchange diffchange-inline">C </ins>2</div></td></tr>' . "\n",
+                                       ]
+                               ],
+                               false, true
+                       ],
+                       'Basic diff, revdel as sysop' => [
+                               [
+                                       'fromrev' => '{{REPL:revA2}}',
+                                       'torev' => '{{REPL:revB2}}',
+                               ],
+                               [
+                                       'compare' => [
+                                               'fromid' => '{{REPL:pageA}}',
+                                               'fromrevid' => '{{REPL:revA2}}',
+                                               'fromns' => 0,
+                                               'fromtitle' => 'ApiComparePagesTest A',
+                                               'toid' => '{{REPL:pageB}}',
+                                               'torevid' => '{{REPL:revB2}}',
+                                               'tons' => 0,
+                                               'totitle' => 'ApiComparePagesTest B',
+                                               'totexthidden' => true,
+                                               'touserhidden' => true,
+                                               'tocommenthidden' => true,
+                                               'body' => '<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td>' . "\n"
+                                                       . '<td colspan="2" class="diff-lineno">Line 1:</td></tr>' . "\n"
+                                                       . '<tr><td class=\'diff-marker\'>−</td><td class=\'diff-deletedline\'><div><del class="diffchange diffchange-inline">A </del>2</div></td><td class=\'diff-marker\'>+</td><td class=\'diff-addedline\'><div><ins class="diffchange diffchange-inline">B </ins>2</div></td></tr>' . "\n",
+                                       ]
+                               ],
+                               false, true
+                       ],
+                       'Basic diff, text' => [
+                               [
+                                       'fromtext' => 'From text',
+                                       'fromcontentmodel' => 'wikitext',
+                                       'totext' => 'To text {{subst:PAGENAME}}',
+                                       'tocontentmodel' => 'wikitext',
+                               ],
+                               [
+                                       'compare' => [
+                                               'body' => '<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td>' . "\n"
+                                                       . '<td colspan="2" class="diff-lineno">Line 1:</td></tr>' . "\n"
+                                                       . '<tr><td class=\'diff-marker\'>−</td><td class=\'diff-deletedline\'><div><del class="diffchange diffchange-inline">From </del>text</div></td><td class=\'diff-marker\'>+</td><td class=\'diff-addedline\'><div><ins class="diffchange diffchange-inline">To </ins>text <ins class="diffchange diffchange-inline">{{subst:PAGENAME}}</ins></div></td></tr>' . "\n",
+                                       ]
+                               ],
+                       ],
+                       'Basic diff, text 2' => [
+                               [
+                                       'fromtext' => 'From text',
+                                       'totext' => 'To text {{subst:PAGENAME}}',
+                                       'tocontentmodel' => 'wikitext',
+                               ],
+                               [
+                                       'compare' => [
+                                               'body' => '<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td>' . "\n"
+                                                       . '<td colspan="2" class="diff-lineno">Line 1:</td></tr>' . "\n"
+                                                       . '<tr><td class=\'diff-marker\'>−</td><td class=\'diff-deletedline\'><div><del class="diffchange diffchange-inline">From </del>text</div></td><td class=\'diff-marker\'>+</td><td class=\'diff-addedline\'><div><ins class="diffchange diffchange-inline">To </ins>text <ins class="diffchange diffchange-inline">{{subst:PAGENAME}}</ins></div></td></tr>' . "\n",
+                                       ]
+                               ],
+                       ],
+                       'Basic diff, guessed model' => [
+                               [
+                                       'fromtext' => 'From text',
+                                       'totext' => 'To text',
+                               ],
+                               [
+                                       'warnings' => [
+                                               'compare' => [
+                                                       'warnings' => 'No content model could be determined, assuming wikitext.',
+                                               ],
+                                       ],
+                                       'compare' => [
+                                               'body' => '<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td>' . "\n"
+                                                       . '<td colspan="2" class="diff-lineno">Line 1:</td></tr>' . "\n"
+                                                       . '<tr><td class=\'diff-marker\'>−</td><td class=\'diff-deletedline\'><div><del class="diffchange diffchange-inline">From </del>text</div></td><td class=\'diff-marker\'>+</td><td class=\'diff-addedline\'><div><ins class="diffchange diffchange-inline">To </ins>text</div></td></tr>' . "\n",
+                                       ]
+                               ],
+                       ],
+                       'Basic diff, text with title and PST' => [
+                               [
+                                       'fromtext' => 'From text',
+                                       'totitle' => 'Test',
+                                       'totext' => 'To text {{subst:PAGENAME}}',
+                                       'topst' => true,
+                               ],
+                               [
+                                       'compare' => [
+                                               'body' => '<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td>' . "\n"
+                                                       . '<td colspan="2" class="diff-lineno">Line 1:</td></tr>' . "\n"
+                                                       . '<tr><td class=\'diff-marker\'>−</td><td class=\'diff-deletedline\'><div><del class="diffchange diffchange-inline">From </del>text</div></td><td class=\'diff-marker\'>+</td><td class=\'diff-addedline\'><div><ins class="diffchange diffchange-inline">To </ins>text <ins class="diffchange diffchange-inline">Test</ins></div></td></tr>' . "\n",
+                                       ]
+                               ],
+                       ],
+                       'Basic diff, text with page ID and PST' => [
+                               [
+                                       'fromtext' => 'From text',
+                                       'toid' => '{{REPL:pageB}}',
+                                       'totext' => 'To text {{subst:PAGENAME}}',
+                                       'topst' => true,
+                               ],
+                               [
+                                       'compare' => [
+                                               'body' => '<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td>' . "\n"
+                                                       . '<td colspan="2" class="diff-lineno">Line 1:</td></tr>' . "\n"
+                                                       . '<tr><td class=\'diff-marker\'>−</td><td class=\'diff-deletedline\'><div><del class="diffchange diffchange-inline">From </del>text</div></td><td class=\'diff-marker\'>+</td><td class=\'diff-addedline\'><div><ins class="diffchange diffchange-inline">To </ins>text <ins class="diffchange diffchange-inline">ApiComparePagesTest B</ins></div></td></tr>' . "\n",
+                                       ]
+                               ],
+                       ],
+                       'Basic diff, text with revision and PST' => [
+                               [
+                                       'fromtext' => 'From text',
+                                       'torev' => '{{REPL:revB2}}',
+                                       'totext' => 'To text {{subst:PAGENAME}}',
+                                       'topst' => true,
+                               ],
+                               [
+                                       'compare' => [
+                                               'body' => '<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td>' . "\n"
+                                                       . '<td colspan="2" class="diff-lineno">Line 1:</td></tr>' . "\n"
+                                                       . '<tr><td class=\'diff-marker\'>−</td><td class=\'diff-deletedline\'><div><del class="diffchange diffchange-inline">From </del>text</div></td><td class=\'diff-marker\'>+</td><td class=\'diff-addedline\'><div><ins class="diffchange diffchange-inline">To </ins>text <ins class="diffchange diffchange-inline">ApiComparePagesTest B</ins></div></td></tr>' . "\n",
+                                       ]
+                               ],
+                       ],
+                       'Basic diff, text with deleted revision and PST' => [
+                               [
+                                       'fromtext' => 'From text',
+                                       'torev' => '{{REPL:revC2}}',
+                                       'totext' => 'To text {{subst:PAGENAME}}',
+                                       'topst' => true,
+                               ],
+                               [
+                                       'compare' => [
+                                               'body' => '<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td>' . "\n"
+                                                       . '<td colspan="2" class="diff-lineno">Line 1:</td></tr>' . "\n"
+                                                       . '<tr><td class=\'diff-marker\'>−</td><td class=\'diff-deletedline\'><div><del class="diffchange diffchange-inline">From </del>text</div></td><td class=\'diff-marker\'>+</td><td class=\'diff-addedline\'><div><ins class="diffchange diffchange-inline">To </ins>text <ins class="diffchange diffchange-inline">ApiComparePagesTest C</ins></div></td></tr>' . "\n",
+                                       ]
+                               ],
+                               false, true
+                       ],
+                       'Diff with all props' => [
+                               [
+                                       'fromrev' => '{{REPL:revB1}}',
+                                       'torev' => '{{REPL:revB3}}',
+                                       'totitle' => 'ApiComparePagesTest B',
+                                       'prop' => 'diff|diffsize|rel|ids|title|user|comment|parsedcomment|size'
+                               ],
+                               [
+                                       'compare' => [
+                                               'fromid' => '{{REPL:pageB}}',
+                                               'fromrevid' => '{{REPL:revB1}}',
+                                               'fromns' => 0,
+                                               'fromtitle' => 'ApiComparePagesTest B',
+                                               'fromsize' => 3,
+                                               'fromuser' => '{{REPL:creator}}',
+                                               'fromuserid' => '{{REPL:creatorid}}',
+                                               'fromcomment' => 'Test for ApiComparePagesTest: B 1',
+                                               'fromparsedcomment' => 'Test for ApiComparePagesTest: B 1',
+                                               'toid' => '{{REPL:pageB}}',
+                                               'torevid' => '{{REPL:revB3}}',
+                                               'tons' => 0,
+                                               'totitle' => 'ApiComparePagesTest B',
+                                               'tosize' => 3,
+                                               'touserhidden' => true,
+                                               'tocommenthidden' => true,
+                                               'tosuppressed' => true,
+                                               'next' => '{{REPL:revB4}}',
+                                               'diffsize' => 391,
+                                               'body' => '<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td>' . "\n"
+                                                       . '<td colspan="2" class="diff-lineno">Line 1:</td></tr>' . "\n"
+                                                       . '<tr><td class=\'diff-marker\'>−</td><td class=\'diff-deletedline\'><div>B <del class="diffchange diffchange-inline">1</del></div></td><td class=\'diff-marker\'>+</td><td class=\'diff-addedline\'><div>B <ins class="diffchange diffchange-inline">3</ins></div></td></tr>' . "\n",
+                                       ]
+                               ],
+                       ],
+                       'Diff with all props as sysop' => [
+                               [
+                                       'fromrev' => '{{REPL:revB2}}',
+                                       'torev' => '{{REPL:revB3}}',
+                                       'totitle' => 'ApiComparePagesTest B',
+                                       'prop' => 'diff|diffsize|rel|ids|title|user|comment|parsedcomment|size'
+                               ],
+                               [
+                                       'compare' => [
+                                               'fromid' => '{{REPL:pageB}}',
+                                               'fromrevid' => '{{REPL:revB2}}',
+                                               'fromns' => 0,
+                                               'fromtitle' => 'ApiComparePagesTest B',
+                                               'fromsize' => 3,
+                                               'fromtexthidden' => true,
+                                               'fromuserhidden' => true,
+                                               'fromuser' => '{{REPL:creator}}',
+                                               'fromuserid' => '{{REPL:creatorid}}',
+                                               'fromcommenthidden' => true,
+                                               'fromcomment' => 'Test for ApiComparePagesTest: B 2',
+                                               'fromparsedcomment' => 'Test for ApiComparePagesTest: B 2',
+                                               'toid' => '{{REPL:pageB}}',
+                                               'torevid' => '{{REPL:revB3}}',
+                                               'tons' => 0,
+                                               'totitle' => 'ApiComparePagesTest B',
+                                               'tosize' => 3,
+                                               'touserhidden' => true,
+                                               'tocommenthidden' => true,
+                                               'tosuppressed' => true,
+                                               'prev' => '{{REPL:revB1}}',
+                                               'next' => '{{REPL:revB4}}',
+                                               'diffsize' => 391,
+                                               'body' => '<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td>' . "\n"
+                                                       . '<td colspan="2" class="diff-lineno">Line 1:</td></tr>' . "\n"
+                                                       . '<tr><td class=\'diff-marker\'>−</td><td class=\'diff-deletedline\'><div>B <del class="diffchange diffchange-inline">2</del></div></td><td class=\'diff-marker\'>+</td><td class=\'diff-addedline\'><div>B <ins class="diffchange diffchange-inline">3</ins></div></td></tr>' . "\n",
+                                       ]
+                               ],
+                               false, true
+                       ],
+                       'Relative diff, cur' => [
+                               [
+                                       'fromrev' => '{{REPL:revA2}}',
+                                       'torelative' => 'cur',
+                                       'prop' => 'ids',
+                               ],
+                               [
+                                       'compare' => [
+                                               'fromid' => '{{REPL:pageA}}',
+                                               'fromrevid' => '{{REPL:revA2}}',
+                                               'toid' => '{{REPL:pageA}}',
+                                               'torevid' => '{{REPL:revA4}}',
+                                       ]
+                               ],
+                       ],
+                       'Relative diff, next' => [
+                               [
+                                       'fromrev' => '{{REPL:revE2}}',
+                                       'torelative' => 'next',
+                                       'prop' => 'ids|rel',
+                               ],
+                               [
+                                       'compare' => [
+                                               'fromid' => '{{REPL:pageE}}',
+                                               'fromrevid' => '{{REPL:revE2}}',
+                                               'toid' => '{{REPL:pageE}}',
+                                               'torevid' => '{{REPL:revE3}}',
+                                               'prev' => '{{REPL:revE1}}',
+                                               'next' => '{{REPL:revE4}}',
+                                       ]
+                               ],
+                       ],
+                       'Relative diff, prev' => [
+                               [
+                                       'fromrev' => '{{REPL:revE3}}',
+                                       'torelative' => 'prev',
+                                       'prop' => 'ids|rel',
+                               ],
+                               [
+                                       'compare' => [
+                                               'fromid' => '{{REPL:pageE}}',
+                                               'fromrevid' => '{{REPL:revE2}}',
+                                               'toid' => '{{REPL:pageE}}',
+                                               'torevid' => '{{REPL:revE3}}',
+                                               'prev' => '{{REPL:revE1}}',
+                                               'next' => '{{REPL:revE4}}',
+                                       ]
+                               ],
+                       ],
+
+                       'Error, missing title' => [
+                               [
+                                       'fromtitle' => 'ApiComparePagesTest X',
+                                       'totitle' => 'ApiComparePagesTest B',
+                               ],
+                               [],
+                               'missingtitle',
+                       ],
+                       'Error, invalid title' => [
+                               [
+                                       'fromtitle' => '<bad>',
+                                       'totitle' => 'ApiComparePagesTest B',
+                               ],
+                               [],
+                               'invalidtitle',
+                       ],
+                       'Error, missing page ID' => [
+                               [
+                                       'fromid' => 8817900,
+                                       'totitle' => 'ApiComparePagesTest B',
+                               ],
+                               [],
+                               'nosuchpageid',
+                       ],
+                       'Error, page with missing revision' => [
+                               [
+                                       'fromtitle' => 'ApiComparePagesTest D',
+                                       'totitle' => 'ApiComparePagesTest B',
+                               ],
+                               [],
+                               'nosuchrevid',
+                       ],
+                       'Error, page with no revision' => [
+                               [
+                                       'fromtitle' => 'ApiComparePagesTest E',
+                                       'totitle' => 'ApiComparePagesTest B',
+                               ],
+                               [],
+                               'nosuchrevid',
+                       ],
+                       'Error, bad rev ID' => [
+                               [
+                                       'fromrev' => 8817900,
+                                       'totitle' => 'ApiComparePagesTest B',
+                               ],
+                               [],
+                               'nosuchrevid',
+                       ],
+                       'Error, deleted revision ID, non-sysop' => [
+                               [
+                                       'fromrev' => '{{REPL:revA2}}',
+                                       'torev' => '{{REPL:revC2}}',
+                               ],
+                               [],
+                               'nosuchrevid',
+                       ],
+                       'Error, revision-deleted content' => [
+                               [
+                                       'fromrev' => '{{REPL:revA2}}',
+                                       'torev' => '{{REPL:revB2}}',
+                               ],
+                               [],
+                               'missingcontent',
+                       ],
+                       'Error, text with no title and PST' => [
+                               [
+                                       'fromtext' => 'From text',
+                                       'totext' => 'To text {{subst:PAGENAME}}',
+                                       'topst' => true,
+                               ],
+                               [],
+                               'compare-no-title',
+                       ],
+                       'Error, Relative diff, no from revision' => [
+                               [
+                                       'fromtext' => 'Foo',
+                                       'torelative' => 'cur',
+                                       'prop' => 'ids',
+                               ],
+                               [],
+                               'compare-relative-to-nothing'
+                       ],
+                       'Error, Relative diff, cur with no current revision' => [
+                               [
+                                       'fromrev' => '{{REPL:revE2}}',
+                                       'torelative' => 'cur',
+                                       'prop' => 'ids',
+                               ],
+                               [],
+                               'nosuchrevid'
+                       ],
+                       'Error, Relative diff, next revdeleted' => [
+                               [
+                                       'fromrev' => '{{REPL:revB1}}',
+                                       'torelative' => 'next',
+                                       'prop' => 'ids',
+                               ],
+                               [],
+                               'missingcontent'
+                       ],
+                       'Error, Relative diff, prev revdeleted' => [
+                               [
+                                       'fromrev' => '{{REPL:revB3}}',
+                                       'torelative' => 'prev',
+                                       'prop' => 'ids',
+                               ],
+                               [],
+                               'missingcontent'
+                       ],
+
+                       // @codingStandardsIgnoreEnd
+               ];
+       }
+}