silverstripe-framework/tests/php/ORM/DataObjectLazyLoadingTest.php

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<?php
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namespace SilverStripe\ORM\Tests;
use SilverStripe\ORM\DB;
use SilverStripe\ORM\DataList;
use SilverStripe\ORM\DataObject;
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use SilverStripe\ORM\Tests\DataObjectTest\SubTeam;
use SilverStripe\ORM\Tests\DataObjectTest\Team;
use SilverStripe\Dev\SapphireTest;
class DataObjectLazyLoadingTest extends SapphireTest
{
protected static $fixture_file = array(
'DataObjectTest.yml',
);
protected static function getExtraDataObjects()
{
return array_merge(
DataObjectTest::$extra_data_objects,
ManyManyListTest::$extra_data_objects
);
}
public function testQueriedColumnsID()
{
$db = DB::get_conn();
$playerList = new DataList(SubTeam::class);
$playerList = $playerList->setQueriedColumns(array('ID'));
$expected = 'SELECT DISTINCT "DataObjectTest_Team"."ClassName", "DataObjectTest_Team"."LastEdited", ' .
'"DataObjectTest_Team"."Created", "DataObjectTest_Team"."ID", CASE WHEN '.
'"DataObjectTest_Team"."ClassName" IS NOT NULL THEN "DataObjectTest_Team"."ClassName" ELSE ' .
$db->quoteString(Team::class).' END AS "RecordClassName", "DataObjectTest_Team"."Title" '.
'FROM "DataObjectTest_Team" ' .
'LEFT JOIN "DataObjectTest_SubTeam" ON "DataObjectTest_SubTeam"."ID" = "DataObjectTest_Team"."ID" ' .
'WHERE ("DataObjectTest_Team"."ClassName" IN (?))' .
' ORDER BY "DataObjectTest_Team"."Title" ASC';
$this->assertSQLEquals($expected, $playerList->sql($parameters));
}
public function testQueriedColumnsFromBaseTableAndSubTable()
{
$db = DB::get_conn();
$playerList = new DataList(SubTeam::class);
$playerList = $playerList->setQueriedColumns(array('Title', 'SubclassDatabaseField'));
$expected = 'SELECT DISTINCT "DataObjectTest_Team"."ClassName", "DataObjectTest_Team"."LastEdited", ' .
'"DataObjectTest_Team"."Created", "DataObjectTest_Team"."Title", ' .
'"DataObjectTest_SubTeam"."SubclassDatabaseField", "DataObjectTest_Team"."ID", CASE WHEN ' .
'"DataObjectTest_Team"."ClassName" IS NOT NULL THEN "DataObjectTest_Team"."ClassName" ELSE ' .
$db->quoteString(Team::class).' END AS "RecordClassName" FROM "DataObjectTest_Team" ' .
'LEFT JOIN "DataObjectTest_SubTeam" ON "DataObjectTest_SubTeam"."ID" = "DataObjectTest_Team"."ID" WHERE ' .
'("DataObjectTest_Team"."ClassName" IN (?)) ' .
'ORDER BY "DataObjectTest_Team"."Title" ASC';
$this->assertSQLEquals($expected, $playerList->sql($parameters));
}
public function testQueriedColumnsFromBaseTable()
{
$db = DB::get_conn();
$playerList = new DataList(SubTeam::class);
$playerList = $playerList->setQueriedColumns(array('Title'));
$expected = 'SELECT DISTINCT "DataObjectTest_Team"."ClassName", "DataObjectTest_Team"."LastEdited", ' .
'"DataObjectTest_Team"."Created", "DataObjectTest_Team"."Title", "DataObjectTest_Team"."ID", ' .
'CASE WHEN "DataObjectTest_Team"."ClassName" IS NOT NULL THEN "DataObjectTest_Team"."ClassName" ELSE ' .
$db->quoteString(Team::class).' END AS "RecordClassName" FROM "DataObjectTest_Team" ' .
'LEFT JOIN "DataObjectTest_SubTeam" ON "DataObjectTest_SubTeam"."ID" = "DataObjectTest_Team"."ID" WHERE ' .
'("DataObjectTest_Team"."ClassName" IN (?)) ' .
'ORDER BY "DataObjectTest_Team"."Title" ASC';
$this->assertSQLEquals($expected, $playerList->sql($parameters));
}
public function testQueriedColumnsFromSubTable()
{
$db = DB::get_conn();
$playerList = new DataList(SubTeam::class);
$playerList = $playerList->setQueriedColumns(array('SubclassDatabaseField'));
$expected = 'SELECT DISTINCT "DataObjectTest_Team"."ClassName", "DataObjectTest_Team"."LastEdited", ' .
'"DataObjectTest_Team"."Created", "DataObjectTest_SubTeam"."SubclassDatabaseField", ' .
'"DataObjectTest_Team"."ID", CASE WHEN "DataObjectTest_Team"."ClassName" IS NOT NULL THEN ' .
'"DataObjectTest_Team"."ClassName" ELSE '.$db->quoteString(Team::class).' END ' .
'AS "RecordClassName", "DataObjectTest_Team"."Title" ' .
'FROM "DataObjectTest_Team" LEFT JOIN "DataObjectTest_SubTeam" ON "DataObjectTest_SubTeam"."ID" = ' .
'"DataObjectTest_Team"."ID" WHERE ("DataObjectTest_Team"."ClassName" IN (?)) ' .
'ORDER BY "DataObjectTest_Team"."Title" ASC';
$this->assertSQLEquals($expected, $playerList->sql($parameters));
}
public function testNoSpecificColumnNamesBaseDataObjectQuery()
{
// This queries all columns from base table
$playerList = new DataList(Team::class);
// Shouldn't be a left join in here.
$this->assertEquals(
0,
preg_match(
$this->normaliseSQL(
'/SELECT DISTINCT "DataObjectTest_Team"."ID" .* LEFT JOIN .* FROM "DataObjectTest_Team"/'
),
$this->normaliseSQL($playerList->sql($parameters))
)
);
}
public function testNoSpecificColumnNamesSubclassDataObjectQuery()
{
// This queries all columns from base table and subtable
$playerList = new DataList(SubTeam::class);
// Should be a left join.
$this->assertEquals(
1,
preg_match(
$this->normaliseSQL('/SELECT DISTINCT .* LEFT JOIN .* /'),
$this->normaliseSQL($playerList->sql($parameters))
)
);
}
public function testLazyLoadedFieldsHasField()
{
$subteam1 = $this->objFromFixture(SubTeam::class, 'subteam1');
$teams = DataObject::get(Team::class); // query parent class
$subteam1Lazy = $teams->find('ID', $subteam1->ID);
// TODO Fix hasField() to exclude *_Lazy
// $this->assertFalse($subteam1Lazy->hasField('SubclassDatabaseField_Lazy'));
$this->assertTrue($subteam1Lazy->hasField('SubclassDatabaseField'));
}
public function testLazyLoadedFieldsGetField()
{
$subteam1 = $this->objFromFixture(SubTeam::class, 'subteam1');
$teams = DataObject::get(Team::class); // query parent class
$subteam1Lazy = $teams->find('ID', $subteam1->ID);
$this->assertEquals(
$subteam1->getField('SubclassDatabaseField'),
$subteam1Lazy->getField('SubclassDatabaseField')
);
}
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public function testDBObjectLazyLoadedFields()
{
$subteam1 = $this->objFromFixture(SubTeam::class, 'subteam1');
$teams = DataObject::get(Team::class); // query parent class
$subteam1Lazy = $teams->find('ID', $subteam1->ID);
$subteam1DO = $subteam1->dbObject('SubclassDatabaseField');
$subteam1LazyDO = $subteam1Lazy->dbObject('SubclassDatabaseField');
$this->assertEquals(
$subteam1DO->getValue(),
$subteam1LazyDO->getValue()
);
}
public function testLazyLoadedFieldsSetField()
{
$subteam1 = $this->objFromFixture(SubTeam::class, 'subteam1');
$subteam1ID = $subteam1->ID;
$teams = DataObject::get(Team::class); // query parent class
$subteam1Lazy = $teams->find('ID', $subteam1->ID);
// Updated lazyloaded field
$subteam1Lazy->SubclassDatabaseField = 'Changed';
$subteam1Lazy->write();
// Reload from database
DataObject::flush_and_destroy_cache();
$subteam1Reloaded = DataObject::get_by_id(SubTeam::class, $subteam1ID);
$this->assertEquals(
'Changed',
$subteam1Reloaded->getField('SubclassDatabaseField')
);
}
public function testLazyLoadedFieldsWriteWithUnloadedFields()
{
$subteam1 = $this->objFromFixture(SubTeam::class, 'subteam1');
$subteam1ID = $subteam1->ID;
$teams = DataObject::get(Team::class); // query parent class
$subteam1Lazy = $teams->find('ID', $subteam1->ID);
// Updated lazyloaded field
$subteam1Lazy->Title = 'Changed';
$subteam1Lazy->write();
// Reload from database
DataObject::flush_and_destroy_cache();
$subteam1Reloaded = DataObject::get_by_id(SubTeam::class, $subteam1ID);
$this->assertEquals(
'Subclassed 1',
$subteam1Reloaded->getField('SubclassDatabaseField')
);
}
public function testLazyLoadedFieldsWriteNullFields()
{
$subteam1 = $this->objFromFixture(SubTeam::class, 'subteam1');
$subteam1ID = $subteam1->ID;
$teams = DataObject::get(Team::class); // query parent class
$subteam1Lazy = $teams->find('ID', $subteam1->ID);
// Updated lazyloaded field
$subteam1Lazy->SubclassDatabaseField = null;
$subteam1Lazy->write();
// Reload from database
DataObject::flush_and_destroy_cache();
$subteam1Reloaded = DataObject::get_by_id(SubTeam::class, $subteam1ID);
$this->assertEquals(
null,
$subteam1Reloaded->getField('SubclassDatabaseField')
);
}
public function testLazyLoadedFieldsGetChangedFields()
{
$subteam1 = $this->objFromFixture(SubTeam::class, 'subteam1');
$teams = DataObject::get(Team::class); // query parent class
$subteam1Lazy = $teams->find('ID', $subteam1->ID);
// Updated lazyloaded field
$subteam1Lazy->SubclassDatabaseField = 'Changed';
$this->assertEquals(
array('SubclassDatabaseField' => array(
'before' => 'Subclassed 1',
'after' => 'Changed',
'level' => 2
)),
$subteam1Lazy->getChangedFields()
);
}
public function testLazyLoadedFieldsHasOneRelation()
{
$subteam1 = $this->objFromFixture(SubTeam::class, 'subteam1');
$parentTeam = $this->objFromFixture(Team::class, 'team1');
$teams = DataObject::get(Team::class); // query parent class
$subteam1Lazy = $teams->find('ID', $subteam1->ID);
$parentTeamLazy = $subteam1Lazy->ParentTeam();
$this->assertInstanceOf(Team::class, $parentTeamLazy);
$this->assertEquals($parentTeam->ID, $parentTeamLazy->ID);
}
public function testLazyLoadedFieldsToMap()
{
$subteam1 = $this->objFromFixture(SubTeam::class, 'subteam1');
$parentTeam = $this->objFromFixture(Team::class, 'team1');
$teams = DataObject::get(Team::class); // query parent class
$subteam1Lazy = $teams->find('ID', $subteam1->ID);
$mapLazy = $subteam1Lazy->toMap();
$this->assertArrayHasKey('SubclassDatabaseField', $mapLazy);
$this->assertEquals('Subclassed 1', $mapLazy['SubclassDatabaseField']);
}
public function testLazyLoadedFieldsIsEmpty()
{
$subteam1 = $this->objFromFixture(SubTeam::class, 'subteam1');
$parentTeam = $this->objFromFixture(Team::class, 'team1');
$teams = DataObject::get(Team::class); // query parent class
$subteam1Lazy = $teams->find('ID', $subteam1->ID);
$subteam1Lazy->Title = '';
$subteam1Lazy->DecoratedDatabaseField = '';
$subteam1Lazy->ParentTeamID = 0;
// Leave $subteam1Lazy->SubclassDatabaseField intact
$this->assertFalse($subteam1Lazy->isEmpty());
}
public function testLazyLoadedFieldsDuplicate()
{
$subteam1 = $this->objFromFixture(SubTeam::class, 'subteam1');
$parentTeam = $this->objFromFixture(Team::class, 'team1');
$teams = DataObject::get(Team::class); // query parent class
$subteam1Lazy = $teams->find('ID', $subteam1->ID);
$subteam1LazyDup = $subteam1Lazy->duplicate();
$this->assertEquals('Subclassed 1', $subteam1LazyDup->SubclassDatabaseField);
}
public function testLazyLoadedFieldsGetAllFields()
{
$subteam1 = $this->objFromFixture(SubTeam::class, 'subteam1');
$parentTeam = $this->objFromFixture(Team::class, 'team1');
$teams = DataObject::get(Team::class); // query parent class
$subteam1Lazy = $teams->find('ID', $subteam1->ID);
$this->assertArrayNotHasKey('SubclassDatabaseField_Lazy', $subteam1Lazy->toMap());
$this->assertArrayHasKey('SubclassDatabaseField', $subteam1Lazy->toMap());
}
}