silverstripe-framework/tests/model/DataObjectLazyLoadingTest.php

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<?php
/**
* @package framework
* @subpackage tests
*/
class DataObjectLazyLoadingTest extends SapphireTest {
protected static $fixture_file = array(
'DataObjectTest.yml',
'VersionedTest.yml'
);
// These are all defined in DataObjectTest.php and VersionedTest.php
protected $extraDataObjects = array(
'DataObjectTest_Team',
'DataObjectTest_Fixture',
'DataObjectTest_SubTeam',
'OtherSubclassWithSameField',
'DataObjectTest_FieldlessTable',
'DataObjectTest_FieldlessSubTable',
'DataObjectTest_ValidatedObject',
'DataObjectTest_Player',
'DataObjectTest_TeamComment',
'VersionedTest_DataObject',
'VersionedTest_Subclass'
);
public function testQueriedColumnsID() {
$db = DB::getConn();
$playerList = new DataList('DataObjectTest_SubTeam');
$playerList = $playerList->setQueriedColumns(array('ID'));
$expected = 'SELECT DISTINCT "DataObjectTest_Team"."ClassName", "DataObjectTest_Team"."Created", ' .
'"DataObjectTest_Team"."LastEdited", "DataObjectTest_Team"."ID", CASE WHEN '.
'"DataObjectTest_Team"."ClassName" IS NOT NULL THEN "DataObjectTest_Team"."ClassName" ELSE ' .
$db->prepStringForDB('DataObjectTest_Team').' END AS "RecordClassName", "DataObjectTest_Team"."Title" '.
'FROM "DataObjectTest_Team" ' .
'LEFT JOIN "DataObjectTest_SubTeam" ON "DataObjectTest_SubTeam"."ID" = "DataObjectTest_Team"."ID" ' .
'WHERE ("DataObjectTest_Team"."ClassName" IN ('.$db->prepStringForDB('DataObjectTest_SubTeam').'))' .
' ORDER BY "DataObjectTest_Team"."Title" ASC';
$this->assertEquals($expected, $playerList->sql());
}
public function testQueriedColumnsFromBaseTableAndSubTable() {
$db = DB::getConn();
$playerList = new DataList('DataObjectTest_SubTeam');
$playerList = $playerList->setQueriedColumns(array('Title', 'SubclassDatabaseField'));
$expected = 'SELECT DISTINCT "DataObjectTest_Team"."ClassName", "DataObjectTest_Team"."Created", ' .
'"DataObjectTest_Team"."LastEdited", "DataObjectTest_Team"."Title", ' .
'"DataObjectTest_SubTeam"."SubclassDatabaseField", "DataObjectTest_Team"."ID", CASE WHEN ' .
'"DataObjectTest_Team"."ClassName" IS NOT NULL THEN "DataObjectTest_Team"."ClassName" ELSE ' .
$db->prepStringForDB('DataObjectTest_Team').' END AS "RecordClassName" FROM "DataObjectTest_Team" ' .
'LEFT JOIN "DataObjectTest_SubTeam" ON "DataObjectTest_SubTeam"."ID" = "DataObjectTest_Team"."ID" WHERE ' .
'("DataObjectTest_Team"."ClassName" IN ('.$db->prepStringForDB('DataObjectTest_SubTeam').')) ' .
'ORDER BY "DataObjectTest_Team"."Title" ASC';
$this->assertEquals($expected, $playerList->sql());
}
public function testQueriedColumnsFromBaseTable() {
$db = DB::getConn();
$playerList = new DataList('DataObjectTest_SubTeam');
$playerList = $playerList->setQueriedColumns(array('Title'));
$expected = 'SELECT DISTINCT "DataObjectTest_Team"."ClassName", "DataObjectTest_Team"."Created", ' .
'"DataObjectTest_Team"."LastEdited", "DataObjectTest_Team"."Title", "DataObjectTest_Team"."ID", ' .
'CASE WHEN "DataObjectTest_Team"."ClassName" IS NOT NULL THEN "DataObjectTest_Team"."ClassName" ELSE ' .
$db->prepStringForDB('DataObjectTest_Team').' END AS "RecordClassName" FROM "DataObjectTest_Team" ' .
'LEFT JOIN "DataObjectTest_SubTeam" ON "DataObjectTest_SubTeam"."ID" = "DataObjectTest_Team"."ID" WHERE ' .
'("DataObjectTest_Team"."ClassName" IN ('.$db->prepStringForDB('DataObjectTest_SubTeam').')) ' .
'ORDER BY "DataObjectTest_Team"."Title" ASC';
$this->assertEquals($expected, $playerList->sql());
}
public function testQueriedColumnsFromSubTable() {
$db = DB::getConn();
$playerList = new DataList('DataObjectTest_SubTeam');
$playerList = $playerList->setQueriedColumns(array('SubclassDatabaseField'));
$expected = 'SELECT DISTINCT "DataObjectTest_Team"."ClassName", "DataObjectTest_Team"."Created", ' .
'"DataObjectTest_Team"."LastEdited", "DataObjectTest_SubTeam"."SubclassDatabaseField", ' .
'"DataObjectTest_Team"."ID", CASE WHEN "DataObjectTest_Team"."ClassName" IS NOT NULL THEN ' .
'"DataObjectTest_Team"."ClassName" ELSE '.$db->prepStringForDB('DataObjectTest_Team').' 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 (' .
$db->prepStringForDB('DataObjectTest_SubTeam').')) ' .
'ORDER BY "DataObjectTest_Team"."Title" ASC';
$this->assertEquals($expected, $playerList->sql());
}
public function testNoSpecificColumnNamesBaseDataObjectQuery() {
// This queries all columns from base table
$playerList = new DataList('DataObjectTest_Team');
// Shouldn't be a left join in here.
$this->assertEquals(0,
preg_match('/SELECT DISTINCT "DataObjectTest_Team"."ID" .* LEFT JOIN .* FROM "DataObjectTest_Team"/',
$playerList->sql()));
}
public function testNoSpecificColumnNamesSubclassDataObjectQuery() {
// This queries all columns from base table and subtable
$playerList = new DataList('DataObjectTest_SubTeam');
// Should be a left join.
$this->assertEquals(1, preg_match('/SELECT DISTINCT .* LEFT JOIN .* /', $playerList->sql()));
}
public function testLazyLoadedFieldsHasField() {
$subteam1 = $this->objFromFixture('DataObjectTest_SubTeam', 'subteam1');
$teams = DataObject::get('DataObjectTest_Team'); // 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('DataObjectTest_SubTeam', 'subteam1');
$teams = DataObject::get('DataObjectTest_Team'); // query parent class
$subteam1Lazy = $teams->find('ID', $subteam1->ID);
$this->assertEquals(
$subteam1->getField('SubclassDatabaseField'),
$subteam1Lazy->getField('SubclassDatabaseField')
);
}
public function testLazyLoadedFieldsSetField() {
$subteam1 = $this->objFromFixture('DataObjectTest_SubTeam', 'subteam1');
$subteam1ID = $subteam1->ID;
$teams = DataObject::get('DataObjectTest_Team'); // 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('DataObjectTest_SubTeam', $subteam1ID);
$this->assertEquals(
'Changed',
$subteam1Reloaded->getField('SubclassDatabaseField')
);
}
public function testLazyLoadedFieldsWriteWithUnloadedFields() {
$subteam1 = $this->objFromFixture('DataObjectTest_SubTeam', 'subteam1');
$subteam1ID = $subteam1->ID;
$teams = DataObject::get('DataObjectTest_Team'); // 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('DataObjectTest_SubTeam', $subteam1ID);
$this->assertEquals(
'Subclassed 1',
$subteam1Reloaded->getField('SubclassDatabaseField')
);
}
public function testLazyLoadedFieldsWriteNullFields() {
$subteam1 = $this->objFromFixture('DataObjectTest_SubTeam', 'subteam1');
$subteam1ID = $subteam1->ID;
$teams = DataObject::get('DataObjectTest_Team'); // 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('DataObjectTest_SubTeam', $subteam1ID);
$this->assertEquals(
null,
$subteam1Reloaded->getField('SubclassDatabaseField')
);
}
public function testLazyLoadedFieldsGetChangedFields() {
$subteam1 = $this->objFromFixture('DataObjectTest_SubTeam', 'subteam1');
$teams = DataObject::get('DataObjectTest_Team'); // 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('DataObjectTest_SubTeam', 'subteam1');
$parentTeam = $this->objFromFixture('DataObjectTest_Team', 'team1');
$teams = DataObject::get('DataObjectTest_Team'); // query parent class
$subteam1Lazy = $teams->find('ID', $subteam1->ID);
$parentTeamLazy = $subteam1Lazy->ParentTeam();
$this->assertInstanceOf('DataObjectTest_Team', $parentTeamLazy);
$this->assertEquals($parentTeam->ID, $parentTeamLazy->ID);
}
public function testLazyLoadedFieldsToMap() {
$subteam1 = $this->objFromFixture('DataObjectTest_SubTeam', 'subteam1');
$parentTeam = $this->objFromFixture('DataObjectTest_Team', 'team1');
$teams = DataObject::get('DataObjectTest_Team'); // 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('DataObjectTest_SubTeam', 'subteam1');
$parentTeam = $this->objFromFixture('DataObjectTest_Team', 'team1');
$teams = DataObject::get('DataObjectTest_Team'); // 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('DataObjectTest_SubTeam', 'subteam1');
$parentTeam = $this->objFromFixture('DataObjectTest_Team', 'team1');
$teams = DataObject::get('DataObjectTest_Team'); // query parent class
$subteam1Lazy = $teams->find('ID', $subteam1->ID);
$subteam1LazyDup = $subteam1Lazy->duplicate();
$this->assertEquals('Subclassed 1', $subteam1LazyDup->SubclassDatabaseField);
}
public function testLazyLoadedFieldsGetAllFields() {
$subteam1 = $this->objFromFixture('DataObjectTest_SubTeam', 'subteam1');
$parentTeam = $this->objFromFixture('DataObjectTest_Team', 'team1');
$teams = DataObject::get('DataObjectTest_Team'); // query parent class
$subteam1Lazy = $teams->find('ID', $subteam1->ID);
$this->assertArrayNotHasKey('SubclassDatabaseField_Lazy', $subteam1Lazy->toMap());
$this->assertArrayHasKey('SubclassDatabaseField', $subteam1Lazy->toMap());
}
public function testLazyLoadedFieldsOnVersionedRecords() {
// Save another record, sanity check that we're getting the right one
$obj2 = new VersionedTest_Subclass();
$obj2->Name = "test2";
$obj2->ExtraField = "foo2";
$obj2->write();
// Save the actual inspected record
$obj1 = new VersionedTest_Subclass();
$obj1->Name = "test";
$obj1->ExtraField = "foo";
$obj1->write();
$version1 = $obj1->Version;
$obj1->Name = "test2";
$obj1->ExtraField = "baz";
$obj1->write();
$version2 = $obj1->Version;
$reloaded = Versioned::get_version('VersionedTest_Subclass', $obj1->ID, $version1);
$this->assertEquals($reloaded->Name, 'test');
$this->assertEquals($reloaded->ExtraField, 'foo');
$reloaded = Versioned::get_version('VersionedTest_Subclass', $obj1->ID, $version2);
$this->assertEquals($reloaded->Name, 'test2');
$this->assertEquals($reloaded->ExtraField, 'baz');
$reloaded = Versioned::get_latest_version('VersionedTest_Subclass', $obj1->ID);
$this->assertEquals($reloaded->Version, $version2);
$this->assertEquals($reloaded->Name, 'test2');
$this->assertEquals($reloaded->ExtraField, 'baz');
$allVersions = Versioned::get_all_versions('VersionedTest_Subclass', $obj1->ID);
$this->assertEquals(2, $allVersions->Count());
$this->assertEquals($allVersions->First()->Version, $version1);
$this->assertEquals($allVersions->First()->Name, 'test');
$this->assertEquals($allVersions->First()->ExtraField, 'foo');
$this->assertEquals($allVersions->Last()->Version, $version2);
$this->assertEquals($allVersions->Last()->Name, 'test2');
$this->assertEquals($allVersions->Last()->ExtraField, 'baz');
$obj1->delete();
}
public function testLazyLoadedFieldsDoNotReferenceVersionsTable() {
// Save another record, sanity check that we're getting the right one
$obj2 = new VersionedTest_Subclass();
$obj2->Name = "test2";
$obj2->ExtraField = "foo2";
$obj2->write();
$obj1 = new VersionedLazySub_DataObject();
$obj1->PageName = "old-value";
$obj1->ExtraField = "old-value";
$obj1ID = $obj1->write();
$obj1->publish('Stage', 'Live');
$obj1 = VersionedLazySub_DataObject::get()->byID($obj1ID);
$this->assertEquals(
'old-value',
$obj1->PageName,
"Correct value on base table when fetching base class"
);
$this->assertEquals(
'old-value',
$obj1->ExtraField,
"Correct value on sub table when fetching base class"
);
$obj1 = VersionedLazy_DataObject::get()->byID($obj1ID);
$this->assertEquals(
'old-value',
$obj1->PageName,
"Correct value on base table when fetching sub class"
);
$this->assertEquals(
'old-value',
$obj1->ExtraField,
"Correct value on sub table when fetching sub class"
);
// Force inconsistent state to test behaviour (shouldn't select from *_versions)
DB::query(sprintf(
"UPDATE \"VersionedLazy_DataObject_versions\" SET \"PageName\" = 'versioned-value' " .
"WHERE \"RecordID\" = %d",
$obj1ID
));
DB::query(sprintf(
"UPDATE \"VersionedLazySub_DataObject_versions\" SET \"ExtraField\" = 'versioned-value' " .
"WHERE \"RecordID\" = %d",
$obj1ID
));
$obj1 = VersionedLazySub_DataObject::get()->byID($obj1ID);
$this->assertEquals(
'old-value',
$obj1->PageName,
"Correct value on base table when fetching base class"
);
$this->assertEquals(
'old-value',
$obj1->ExtraField,
"Correct value on sub table when fetching base class"
);
$obj1 = VersionedLazy_DataObject::get()->byID($obj1ID);
$this->assertEquals(
'old-value',
$obj1->PageName,
"Correct value on base table when fetching sub class"
);
$this->assertEquals(
'old-value',
$obj1->ExtraField,
"Correct value on sub table when fetching sub class"
);
// Update live table only to test behaviour (shouldn't select from *_versions or stage)
DB::query(sprintf(
'UPDATE "VersionedLazy_DataObject_Live" SET "PageName" = \'live-value\' WHERE "ID" = %d',
$obj1ID
));
DB::query(sprintf(
'UPDATE "VersionedLazySub_DataObject_Live" SET "ExtraField" = \'live-value\' WHERE "ID" = %d',
$obj1ID
));
Versioned::reading_stage('Live');
$obj1 = VersionedLazy_DataObject::get()->byID($obj1ID);
$this->assertEquals(
'live-value',
$obj1->PageName,
"Correct value from base table when fetching base class on live stage"
);
$this->assertEquals(
'live-value',
$obj1->ExtraField,
"Correct value from sub table when fetching base class on live stage"
);
}
}
/** Additional classes for versioned lazy loading testing */
class VersionedLazy_DataObject extends DataObject {
private static $db = array(
"PageName" => "Varchar"
);
private static $extensions = array(
"Versioned('Stage', 'Live')"
);
}
class VersionedLazySub_DataObject extends VersionedLazy_DataObject {
private static $db = array(
"ExtraField" => "Varchar",
);
private static $extensions = array(
"Versioned('Stage', 'Live')"
);
}