tests/phpunit/maintenance/includes/SchemaGeneratorTest.php

   1 <?php
   2
   3 namespace MediaWiki\Tests\Maintenance\Includes;
   4
   5 use MediaWiki\DB\AbstractSchemaValidationError;
   6 use MediaWiki\Maintenance\SchemaGenerator;
   7 use MediaWikiIntegrationTestCase;
   8
   9 /**
  10  * @covers \MediaWiki\Maintenance\SchemaGenerator
  11  */
  12 class SchemaGeneratorTest extends MediaWikiIntegrationTestCase {
  13
  14         private const DATA_DIR = __DIR__ . '/../../data/schema-maintenance';
  15
  16         private function getFileWithContent( string $content ): string {
  17                 $testFilename = $this->getNewTempFile();
  18                 $testFile = fopen( $testFilename, 'w' );
  19                 fwrite( $testFile, $content );
  20                 fclose( $testFile );
  21                 return $testFilename;
  22         }
  23
  24         /**
  25          * @dataProvider provideValidateAndGetSchema
  26          */
  27         public function testValidateAndGetSchema( string $fileContent, string $expectedExceptionSubstring ) {
  28                 $this->expectException( AbstractSchemaValidationError::class );
  29                 $this->expectExceptionMessage( $expectedExceptionSubstring );
  30                 ( new SchemaGenerator() )->validateAndGetSchema( $this->getFileWithContent( $fileContent ) );
  31         }
  32
  33         public static function provideValidateAndGetSchema() {
  34                 return [
  35                         'Empty JSON file' => [ '', 'does not exist' ],
  36                         'Not valid JSON' => [ '{{{{', 'Invalid JSON' ],
  37                         'Not a valid schema' => [ '{"abc": "test"}', 'did not pass validation' ],
  38                 ];
  39         }
  40
  41         public function testValidateAndGetSchema__valid() {
  42                 $generator = new SchemaGenerator();
  43                 $schema = $generator->validateAndGetSchema( self::DATA_DIR . '/tables.json' );
  44                 $this->assertIsArray( $schema );
  45         }
  46
  47         public function testGenerateSchemaChange__NoSchemaChangesMade() {
  48                 $generator = new SchemaGenerator();
  49                 $this->expectException( AbstractSchemaValidationError::class );
  50                 $this->expectExceptionMessage( 'No schema changes detected' );
  51                 $generator->generateSchemaChange( 'mysql', self::DATA_DIR . '/patch-no_change.json' );
  52         }
  53 }