silverstripe-framework/tests/model/DataObjectSchemaGenerationTest.php

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<?php
class DataObjectSchemaGenerationTest extends SapphireTest {
protected $extraDataObjects = array(
'DataObjectSchemaGenerationTest_DO',
'DataObjectSchemaGenerationTest_IndexDO'
);
public function setUpOnce() {
// enable fulltext option on this table
Config::inst()->update('DataObjectSchemaGenerationTest_IndexDO', 'create_table_options',
array('MySQLDatabase' => 'ENGINE=MyISAM'));
parent::setUpOnce();
}
/**
* Check that once a schema has been generated, then it doesn't need any more updating
*/
public function testFieldsDontRerequestChanges() {
$db = DB::getConn();
DB::quiet();
// Table will have been initially created by the $extraDataObjects setting
// Verify that it doesn't need to be recreated
$db->beginSchemaUpdate();
$obj = new DataObjectSchemaGenerationTest_DO();
$obj->requireTable();
$needsUpdating = $db->doesSchemaNeedUpdating();
$db->cancelSchemaUpdate();
$this->assertFalse($needsUpdating);
}
/**
* Check that updates to a class fields are reflected in the database
*/
public function testFieldsRequestChanges() {
$db = DB::getConn();
DB::quiet();
// Table will have been initially created by the $extraDataObjects setting
// Let's insert a new field here
Config::inst()->update('DataObjectSchemaGenerationTest_DO', 'db', array(
'SecretField' => 'Varchar(100)'
));
// Verify that the above extra field triggered a schema update
$db->beginSchemaUpdate();
$obj = new DataObjectSchemaGenerationTest_DO();
$obj->requireTable();
$needsUpdating = $db->doesSchemaNeedUpdating();
$db->cancelSchemaUpdate();
$this->assertTrue($needsUpdating);
}
/**
* Check that indexes on a newly generated class do not subsequently request modification
*/
public function testIndexesDontRerequestChanges() {
$db = DB::getConn();
DB::quiet();
// Table will have been initially created by the $extraDataObjects setting
// Verify that it doesn't need to be recreated
$db->beginSchemaUpdate();
$obj = new DataObjectSchemaGenerationTest_IndexDO();
$obj->requireTable();
$needsUpdating = $db->doesSchemaNeedUpdating();
$db->cancelSchemaUpdate();
$this->assertFalse($needsUpdating);
// Test with alternate index format, although these indexes are the same
Config::inst()->remove('DataObjectSchemaGenerationTest_IndexDO', 'indexes');
Config::inst()->update('DataObjectSchemaGenerationTest_IndexDO', 'indexes',
Config::inst()->get('DataObjectSchemaGenerationTest_IndexDO', 'indexes_alt')
);
// Verify that it still doesn't need to be recreated
$db->beginSchemaUpdate();
$obj2 = new DataObjectSchemaGenerationTest_IndexDO();
$obj2->requireTable();
$needsUpdating = $db->doesSchemaNeedUpdating();
$db->cancelSchemaUpdate();
$this->assertFalse($needsUpdating);
}
/**
* Check that updates to a dataobject's indexes are reflected in DDL
*/
public function testIndexesRerequestChanges() {
$db = DB::getConn();
DB::quiet();
// Table will have been initially created by the $extraDataObjects setting
// Update the SearchFields index here
Config::inst()->update('DataObjectSchemaGenerationTest_IndexDO', 'indexes', array(
'SearchFields' => array(
'value' => 'Title'
)
));
// Verify that the above index change triggered a schema update
$db->beginSchemaUpdate();
$obj = new DataObjectSchemaGenerationTest_IndexDO();
$obj->requireTable();
$needsUpdating = $db->doesSchemaNeedUpdating();
$db->cancelSchemaUpdate();
$this->assertTrue($needsUpdating);
}
/**
* 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 {
private static $db = array(
'Enum1' => 'Enum("A, B, C, D","")',
'Enum2' => 'Enum("A, B, C, D","A")',
);
}
class DataObjectSchemaGenerationTest_IndexDO extends DataObjectSchemaGenerationTest_DO implements TestOnly {
private static $db = array(
'Title' => 'Varchar(255)',
'Content' => 'Text'
);
private static $indexes = array(
'NameIndex' => 'unique ("Title")',
'SearchFields' => array(
'type' => 'fulltext',
'name' => 'SearchFields',
'value' => '"Title","Content"'
)
);
/** @config */
private static $indexes_alt = array(
'NameIndex' => array(
'type' => 'unique',
'name' => 'NameIndex',
'value' => '"Title"'
),
'SearchFields' => 'fulltext ("Title","Content")'
);
}