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Merge pull request #2916 from tractorcow/pulls/fix-classname-generation

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BUG Prevent unnecessary reconstruction of ClassName field
This commit is contained in:
Simon Welsh 2014-03-15 21:44:29 +13:00
commit ccaca9a6aa
2 changed files with 52 additions and 1 deletions
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2
model/DataObject.php
View File

@ -237,7 +237,7 @@ class DataObject extends ViewableData implements DataObjectInterface, i18nEntity
$db = DB::getConn();
if($db->hasField($class, 'ClassName')) {
$existing = $db->query("SELECT DISTINCT \"ClassName\" FROM \"$class\"")->column();
$classNames = array_unique(array_merge($existing, $classNames));
$classNames = array_unique(array_merge($classNames, $existing));
}
self::$classname_spec_cache[$class] = "Enum('" . implode(', ', $classNames) . "')";

51
tests/model/DataObjectSchemaGenerationTest.php
View File

@ -124,6 +124,57 @@ class DataObjectSchemaGenerationTest extends SapphireTest {
// Restore old indexes
Config::unnest();
}
/**
* Tests the generation of the ClassName spec and ensure it's not unnecessarily influenced
* by the order of classnames of existing records
*/
public function testClassNameSpecGeneration() {
// Test with blank entries
DataObject::clear_classname_spec_cache();
$fields = DataObject::database_fields('DataObjectSchemaGenerationTest_DO');
$this->assertEquals(
"Enum('DataObjectSchemaGenerationTest_DO, DataObjectSchemaGenerationTest_IndexDO')",
$fields['ClassName']
);
// Test with instance of subclass
$item1 = new DataObjectSchemaGenerationTest_IndexDO();
$item1->write();
DataObject::clear_classname_spec_cache();
$fields = DataObject::database_fields('DataObjectSchemaGenerationTest_DO');
$this->assertEquals(
"Enum('DataObjectSchemaGenerationTest_DO, DataObjectSchemaGenerationTest_IndexDO')",
$fields['ClassName']
);
$item1->delete();
// Test with instance of main class
$item2 = new DataObjectSchemaGenerationTest_DO();
$item2->write();
DataObject::clear_classname_spec_cache();
$fields = DataObject::database_fields('DataObjectSchemaGenerationTest_DO');
$this->assertEquals(
"Enum('DataObjectSchemaGenerationTest_DO, DataObjectSchemaGenerationTest_IndexDO')",
$fields['ClassName']
);
$item2->delete();
// Test with instances of both classes
$item1 = new DataObjectSchemaGenerationTest_IndexDO();
$item1->write();
$item2 = new DataObjectSchemaGenerationTest_DO();
$item2->write();
DataObject::clear_classname_spec_cache();
$fields = DataObject::database_fields('DataObjectSchemaGenerationTest_DO');
$this->assertEquals(
"Enum('DataObjectSchemaGenerationTest_DO, DataObjectSchemaGenerationTest_IndexDO')",
$fields['ClassName']
);
$item1->delete();
$item2->delete();
}
}
class DataObjectSchemaGenerationTest_DO extends DataObject implements TestOnly {