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diff --git a/maintenance/checkImages.php b/maintenance/checkImages.php
index 169b0f929aa..6d463d2abd9 100644
--- a/maintenance/checkImages.php
+++ b/maintenance/checkImages.php
@@ -23,6 +23,7 @@
use MediaWiki\FileRepo\File\FileSelectQueryBuilder;
use MediaWiki\Maintenance\Maintenance;
+use Wikimedia\Rdbms\SelectQueryBuilder;
// @codeCoverageIgnoreStart
require_once __DIR__ . '/Maintenance.php';
@@ -50,11 +51,12 @@ class CheckImages extends Maintenance {
$repo = $this->getServiceContainer()->getRepoGroup()->getLocalRepo();
do {
- $queryBuilder = FileSelectQueryBuilder::newForFile( $dbr );
-
- $res = $queryBuilder->where( $dbr->expr( 'img_name', '>', $start ) )
+ $res = FileSelectQueryBuilder::newForFile( $dbr )
+ ->where( $dbr->expr( 'img_name', '>', $start ) )
->limit( $this->getBatchSize() )
- ->caller( __METHOD__ )->fetchResultSet();
+ ->orderBy( 'img_name', SelectQueryBuilder::SORT_ASC )
+ ->caller( __METHOD__ )
+ ->fetchResultSet();
foreach ( $res as $row ) {
$numImages++;
$start = $row->img_name;
diff --git a/tests/phpunit/maintenance/CheckImagesTest.php b/tests/phpunit/maintenance/CheckImagesTest.php
new file mode 100644
index 00000000000..ebbb995a3af
--- /dev/null
+++ b/tests/phpunit/maintenance/CheckImagesTest.php
@@ -0,0 +1,152 @@
+<?php
+
+namespace MediaWiki\Tests\Maintenance;
+
+use CheckImages;
+use File;
+use LocalRepo;
+use RepoGroup;
+use Wikimedia\TestingAccessWrapper;
+
+/**
+ * @covers \CheckImages
+ * @group Database
+ * @author Dreamy Jazz
+ */
+class CheckImagesTest extends MaintenanceBaseTestCase {
+
+ protected function getMaintenanceClass() {
+ return CheckImages::class;
+ }
+
+ public function testWhenImageIsNotLocallyAccessible() {
+ // Mock that all File objects obtained from the local repo does not have a path.
+ $mockFile = $this->createMock( File::class );
+ $mockFile->method( 'getPath' )
+ ->willReturn( false );
+ $mockFileRepo = $this->createMock( LocalRepo::class );
+ $mockFileRepo->method( 'newFileFromRow' )
+ ->willReturn( $mockFile );
+ $mockRepoGroup = $this->createMock( RepoGroup::class );
+ $mockRepoGroup->method( 'getLocalRepo' )
+ ->willReturn( $mockFileRepo );
+ $this->setService( 'RepoGroup', $mockRepoGroup );
+
+ $this->maintenance->execute();
+ $output = $this->getActualOutputForAssertion();
+ $this->assertStringContainsString( 'Random-112m.png: not locally accessible', $output );
+ $this->assertStringContainsString( 'Random-13m.png: not locally accessible', $output );
+ $this->assertStringContainsString( 'Good images: 0/2', $output );
+ }
+
+ public function testWhenAllImagesAreMissing() {
+ $this->maintenance->execute();
+ $output = $this->getActualOutputForAssertion();
+ $this->assertStringContainsString( 'Random-112m.png: missing', $output );
+ $this->assertStringContainsString( 'Random-13m.png: missing', $output );
+ $this->assertStringContainsString( 'Good images: 0/2', $output );
+ }
+
+ /**
+ * Creates a mock {@link LocalRepo} instance to be returned by the {@link RepoGroup} service
+ * that returns the specified integer from {@link LocalRepo::getFileSize}.
+ *
+ * @param int $mockFileSizeForAllFiles
+ * @return void
+ */
+ private function mockLocalRepoWithDefinedFileSize( int $mockFileSizeForAllFiles ): void {
+ $realLocalRepo = $this->getServiceContainer()->getRepoGroup()->getLocalRepo();
+ $mockFileRepo = $this->createMock( LocalRepo::class );
+ $mockFileRepo->method( 'getFileSize' )
+ ->willReturn( $mockFileSizeForAllFiles );
+ $mockFileRepo->method( 'newFileFromRow' )
+ ->willReturnCallback( static function ( $row ) use ( $realLocalRepo ) {
+ return $realLocalRepo->newFileFromRow( $row );
+ } );
+ $mockRepoGroup = $this->createMock( RepoGroup::class );
+ $mockRepoGroup->method( 'getLocalRepo' )
+ ->willReturn( $mockFileRepo );
+ $this->setService( 'RepoGroup', $mockRepoGroup );
+ }
+
+ public function testWhenFileSizeIsZero() {
+ $this->mockLocalRepoWithDefinedFileSize( 0 );
+
+ $this->maintenance->execute();
+ $output = $this->getActualOutputForAssertion();
+ $this->assertStringContainsString( 'Random-112m.png: truncated, was 12345', $output );
+ $this->assertStringContainsString( 'Random-13m.png: truncated, was 54321', $output );
+ $this->assertStringContainsString( 'Good images: 0/2', $output );
+ }
+
+ public function testWhenFileSizeDoesNotMatchSizeInDB() {
+ // Mock that all files have a size which does not match any size in the DB
+ $this->mockLocalRepoWithDefinedFileSize( 123 );
+
+ $this->maintenance->execute();
+ $output = $this->getActualOutputForAssertion();
+ $this->assertStringContainsString( 'Random-112m.png: size mismatch DB=12345, actual=123', $output );
+ $this->assertStringContainsString( 'Random-13m.png: size mismatch DB=54321, actual=123', $output );
+ $this->assertStringContainsString( 'Good images: 0/2', $output );
+ }
+
+ public function testWhenOneFileSizeMatches() {
+ // Mock that all files have the size that matches the size in the DB for Random-112m.png
+ $this->mockLocalRepoWithDefinedFileSize( 12345 );
+
+ // To prevent IDE errors, call the ::setBatchSize method when it has been explicitly documented as having the
+ // TestingAccessWrapper type.
+ /** @var TestingAccessWrapper $maintenance */
+ $maintenance = $this->maintenance;
+ $maintenance->setBatchSize( 1 );
+ $maintenance->execute();
+
+ $output = $this->getActualOutputForAssertion();
+ $this->assertStringNotContainsString( 'Random-112m.png', $output );
+ $this->assertStringContainsString( 'Random-13m.png: size mismatch DB=54321, actual=123', $output );
+ $this->assertStringContainsString( 'Good images: 1/2', $output );
+ }
+
+ public function addDBDataOnce() {
+ // Add some testing rows to the image table to simulate two images existing.
+ $testUser = $this->getTestUser()->getUser();
+ $commentId = $this->getServiceContainer()->getCommentStore()
+ ->createComment( $this->getDb(), 'test' )->id;
+ $this->getDb()->newInsertQueryBuilder()
+ ->insertInto( 'image' )
+ ->rows( [
+ [
+ 'img_name' => 'Random-13m.png',
+ 'img_size' => 54321,
+ 'img_width' => 1000,
+ 'img_height' => 1800,
+ 'img_metadata' => '',
+ 'img_bits' => 16,
+ 'img_media_type' => MEDIATYPE_BITMAP,
+ 'img_major_mime' => 'image',
+ 'img_minor_mime' => 'png',
+ 'img_description_id' => $commentId,
+ 'img_actor' => $testUser->getActorId(),
+ 'img_timestamp' => $this->getDb()->timestamp( '20201105234242' ),
+ 'img_sha1' => 'sy02psim0bgdh0jt4vdltuzoh7j80yu',
+ ],
+ [
+ 'img_name' => 'Random-112m.png',
+ 'img_size' => 12345,
+ 'img_width' => 1000,
+ 'img_height' => 1800,
+ 'img_metadata' => '',
+ 'img_bits' => 16,
+ 'img_media_type' => MEDIATYPE_BITMAP,
+ 'img_major_mime' => 'image',
+ 'img_minor_mime' => 'png',
+ 'img_description_id' => $commentId,
+ 'img_actor' => $testUser->getActorId(),
+ 'img_timestamp' => $this->getDb()->timestamp( '20201105235242' ),
+ 'img_sha1' => 'sy02psim0bgdh0jt4vdltuzoh7j80ru',
+ ],
+ ] )
+ ->caller( __METHOD__ )
+ ->execute();
+ }
+}

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