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SchemaGeneratorTest.php
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SchemaGeneratorTest.php
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<?php
namespace MediaWiki\Tests\Maintenance\Includes;
use MediaWiki\DB\AbstractSchemaValidationError;
use MediaWiki\Maintenance\SchemaGenerator;
use MediaWikiIntegrationTestCase;
/**
* @covers \MediaWiki\Maintenance\SchemaGenerator
*/
class SchemaGeneratorTest extends MediaWikiIntegrationTestCase {
private const DATA_DIR = __DIR__ . '/../../data/schema-maintenance';
private function getFileWithContent( string $content ): string {
$testFilename = $this->getNewTempFile();
$testFile = fopen( $testFilename, 'w' );
fwrite( $testFile, $content );
fclose( $testFile );
return $testFilename;
}
/**
* @dataProvider provideValidateAndGetSchema
*/
public function testValidateAndGetSchema( string $fileContent, string $expectedExceptionSubstring ) {
$this->expectException( AbstractSchemaValidationError::class );
$this->expectExceptionMessage( $expectedExceptionSubstring );
( new SchemaGenerator() )->validateAndGetSchema( $this->getFileWithContent( $fileContent ) );
}
public static function provideValidateAndGetSchema() {
return [
'Empty JSON file' => [ '', 'does not exist' ],
'Not valid JSON' => [ '{{{{', 'Invalid JSON' ],
'Not a valid schema' => [ '{"abc": "test"}', 'did not pass validation' ],
];
}
public function testValidateAndGetSchema__valid() {
$generator = new SchemaGenerator();
$schema = $generator->validateAndGetSchema( self::DATA_DIR . '/tables.json' );
$this->assertIsArray( $schema );
}
public function testGenerateSchemaChange__NoSchemaChangesMade() {
$generator = new SchemaGenerator();
$this->expectException( AbstractSchemaValidationError::class );
$this->expectExceptionMessage( 'No schema changes detected' );
$generator->generateSchemaChange( 'mysql', self::DATA_DIR . '/patch-no_change.json' );
}
/**
* @dataProvider provideJsonSchemasPaths
*/
public function testNormalizePath( string $expected, string $jsonSchemaPath, string $IP, string $extensionDirectory ) {
$this->assertEquals(
$expected,
SchemaGenerator::normalizePath( $jsonSchemaPath, $IP, $extensionDirectory )
);
}
public static function provideJsonSchemasPaths() {
global $IP;
// (expected, path, $IP, $extensionDirectory)
return [
'Core patch absolute path '
. 'then path is relative to $IP' => [
'tests/phpunit/data/schema-maintenance/patch-no_change.json',
self::DATA_DIR . '/patch-no_change.json',
$IP,
$IP . '/extensions'
],
'Extension directory under $IP '
. 'then path is relative to the extension root. '
=> [
'db_patches/patch.json',
self::DATA_DIR . '/extensions/FooExt/db_patches/patch.json',
self::DATA_DIR, // used as $IP
self::DATA_DIR . '/extensions'
],
'Extension directory outside of $IP '
. 'then path is relative to the extension root. '
=> [
'db_patches/patch.json',
self::DATA_DIR . '/extensions/FooExt/db_patches/patch.json',
$IP . '/includes', // not a parent of self::DATA_DIR
self::DATA_DIR . '/extensions'
],
];
}
}

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