silverstripe-framework/tests/DataObjectTest.php

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<?php
/**
* @package sapphire
* @subpackage tests
*/
class DataObjectTest extends SapphireTest {
static $fixture_file = 'sapphire/tests/DataObjectTest.yml';
/**
* Test deletion of DataObjects
* - Deleting using delete() on the DataObject
* - Deleting using DataObject::delete_by_id()
*/
function testDelete() {
// Test deleting using delete() on the DataObject
// Get the first page
$page = $this->fixture->objFromFixture('Page', 'page1');
// Check the page exists before deleting
$this->assertTrue(is_object($page) && $page->exists());
// Delete the page
$page->delete();
// Check that page does not exist after deleting
$page = $this->fixture->objFromFixture('Page', 'page1');
$this->assertTrue(!$page || !$page->exists());
// Test deleting using DataObject::delete_by_id()
// Get the second page
$page2 = $this->fixture->objFromFixture('Page', 'page2');
// Check the page exists before deleting
$this->assertTrue(is_object($page2) && $page2->exists());
// Delete the page
DataObject::delete_by_id('Page', $page2->ID);
// Check that page does not exist after deleting
$page2 = $this->fixture->objFromFixture('Page', 'page2');
$this->assertTrue(!$page2 || !$page2->exists());
}
/**
* Test methods that get DataObjects
* - DataObject::get()
* - All records of a DataObject
* - Filtering
* - Sorting
* - Joins
* - Limit
* - Container class
* - DataObject::get_by_id()
* - DataObject::get_by_url()
* - DataObject::get_one()
* - With and without caching
* - With and without ordering
*/
function testGet() {
// Test getting all records of a DataObject
$comments = DataObject::get('PageComment');
$this->assertEquals(8, $comments->Count());
// Test WHERE clause
$comments = DataObject::get('PageComment', 'Name="Bob"');
$this->assertEquals(2, $comments->Count());
foreach($comments as $comment) {
$this->assertEquals('Bob', $comment->Name);
}
// Test sorting
$comments = DataObject::get('PageComment', '', 'Name ASC');
$this->assertEquals(8, $comments->Count());
$this->assertEquals('Bob', $comments->First()->Name);
$comments = DataObject::get('PageComment', '', 'Name DESC');
$this->assertEquals(8, $comments->Count());
$this->assertEquals('Joe', $comments->First()->Name);
// Test join
$comments = DataObject::get('PageComment', '`SiteTree`.Title="First Page"', '', 'INNER JOIN SiteTree ON PageComment.ParentID = SiteTree.ID');
$this->assertEquals(2, $comments->Count());
$this->assertEquals('Bob', $comments->First()->Name);
$this->assertEquals('Bob', $comments->Last()->Name);
// Test limit
$comments = DataObject::get('PageComment', '', 'Name ASC', '', '1,2');
$this->assertEquals(2, $comments->Count());
$this->assertEquals('Bob', $comments->First()->Name);
$this->assertEquals('Dean', $comments->Last()->Name);
// Test container class
$comments = DataObject::get('PageComment', '', '', '', '', 'DataObjectSet');
$this->assertEquals('DataObjectSet', get_class($comments));
$comments = DataObject::get('PageComment', '', '', '', '', 'ComponentSet');
$this->assertEquals('ComponentSet', get_class($comments));
// Test get_by_id()
$homepageID = $this->idFromFixture('Page', 'home');
$page = DataObject::get_by_id('Page', $homepageID);
$this->assertEquals('Home', $page->Title);
// Test get_by_url()
$page = DataObject::get_by_url('home');
$this->assertEquals($homepageID, $page->ID);
// Test get_one() without caching
$comment1 = DataObject::get_one('PageComment', 'Name="Joe"', false);
$comment1->Comment = "Something Else";
$comment2 = DataObject::get_one('PageComment', 'Name="Joe"', false);
$this->assertNotEquals($comment1->Comment, $comment2->Comment);
// Test get_one() with caching
$comment1 = DataObject::get_one('PageComment', 'Name="Jane"', true);
$comment1->Comment = "Something Else";
$comment2 = DataObject::get_one('PageComment', 'Name="Jane"', true);
$this->assertEquals((string)$comment1->Comment, (string)$comment2->Comment);
// Test get_one() with order by without caching
$comment = DataObject::get_one('PageComment', '', false, 'Name ASC');
$this->assertEquals('Bob', $comment->Name);
$comment = DataObject::get_one('PageComment', '', false, 'Name DESC');
$this->assertEquals('Joe', $comment->Name);
// Test get_one() with order by with caching
$comment = DataObject::get_one('PageComment', '', true, 'Name ASC');
$this->assertEquals('Bob', $comment->Name);
$comment = DataObject::get_one('PageComment', '', true, 'Name DESC');
$this->assertEquals('Joe', $comment->Name);
}
/**
* Test writing of database columns which don't correlate to a DBField,
* e.g. all relation fields on has_one/has_many like "ParentID".
*
*/
function testWritePropertyWithoutDBField() {
$page = $this->fixture->objFromFixture('Page', 'page1');
$page->ParentID = 99;
$page->write();
// reload the page from the database
$savedPage = DataObject::get_by_id('Page', $page->ID);
$this->assertTrue($savedPage->ParentID == 99);
}
/**
* Test has many relationships
* - Test getComponents() gets the ComponentSet of the other side of the relation
* - Test the IDs on the DataObjects are set correctly
*/
function testHasManyRelationships() {
$page = $this->fixture->objFromFixture('Page', 'home');
// Test getComponents() gets the ComponentSet of the other side of the relation
$this->assertTrue($page->getComponents('Comments')->Count() == 2);
// Test the IDs on the DataObjects are set correctly
foreach($page->getComponents('Comments') as $comment) {
$this->assertTrue($comment->ParentID == $page->ID);
}
}
/**
* @todo Test removeMany() and addMany() on $many_many relationships
*/
function testManyManyRelationships() {
$player1 = $this->fixture->objFromFixture('DataObjectTest_Player', 'player1');
$player2 = $this->fixture->objFromFixture('DataObjectTest_Player', 'player2');
$team1 = $this->fixture->objFromFixture('DataObjectTest_Team', 'team1');
$team2 = $this->fixture->objFromFixture('DataObjectTest_Team', 'team2');
// Test adding single DataObject by reference
$player1->Teams()->add($team1);
$player1->flushCache();
$compareTeams = new ComponentSet($team1);
$this->assertEquals(
$player1->Teams()->column('ID'),
$compareTeams->column('ID'),
"Adding single record as DataObject to many_many"
);
// test removing single DataObject by reference
$player1->Teams()->remove($team1);
$player1->flushCache();
$compareTeams = new ComponentSet();
$this->assertEquals(
$player1->Teams()->column('ID'),
$compareTeams->column('ID'),
"Removing single record as DataObject from many_many"
);
// test adding single DataObject by ID
$player1->Teams()->add($team1->ID);
$player1->flushCache();
$compareTeams = new ComponentSet($team1);
$this->assertEquals(
$player1->Teams()->column('ID'),
$compareTeams->column('ID'),
"Adding single record as ID to many_many"
);
// test removing single DataObject by ID
$player1->Teams()->remove($team1->ID);
$player1->flushCache();
$compareTeams = new ComponentSet();
$this->assertEquals(
$player1->Teams()->column('ID'),
$compareTeams->column('ID'),
"Removing single record as ID from many_many"
);
}
/**
* @todo Extend type change tests (e.g. '0'==NULL)
*/
function testChangedFields() {
$page = $this->fixture->objFromFixture('Page', 'home');
$page->Title = 'Home-Changed';
$page->ShowInMenus = true;
$this->assertEquals(
$page->getChangedFields(false, 1),
array(
'Title' => array(
'before' => 'Home',
'after' => 'Home-Changed',
'level' => 2
),
'ShowInMenus' => array(
'before' => 1,
'after' => true,
'level' => 1
)
),
'Changed fields are correctly detected with strict type changes (level=1)'
);
$this->assertEquals(
$page->getChangedFields(false, 2),
array(
'Title' => array(
'before'=>'Home',
'after'=>'Home-Changed',
'level' => 2
)
),
'Changed fields are correctly detected while ignoring type changes (level=2)'
);
}
function testRandomSort() {
/* If we perforn the same regularly sorted query twice, it should return the same results */
$itemsA = DataObject::get("PageComment", "", "ID");
foreach($itemsA as $item) $keysA[] = $item->ID;
$itemsB = DataObject::get("PageComment", "", "ID");
foreach($itemsB as $item) $keysB[] = $item->ID;
$this->assertEquals($keysA, $keysB);
/* If we perform the same random query twice, it shouldn't return the same results */
$itemsA = DataObject::get("PageComment", "", "RAND()");
foreach($itemsA as $item) $keysA[] = $item->ID;
$itemsB = DataObject::get("PageComment", "", "RAND()");
foreach($itemsB as $item) $keysB[] = $item->ID;
$this->assertNotEquals($keysA, $keysB);
}
function testWriteSavesToHasOneRelations() {
/* DataObject::write() should save to a has_one relationship if you set a field called (relname)ID */
$team = new DataObjectTest_Team();
$captainID = $this->idFromFixture('DataObjectTest_Player', 'player1');
$team->CaptainID = $captainID;
$team->write();
$this->assertEquals($captainID, DB::query("SELECT CaptainID FROM DataObjectTest_Team WHERE ID = $team->ID")->value());
/* After giving it a value, you should also be able to set it back to null */
$team->CaptainID = '';
$team->write();
$this->assertEquals(0, DB::query("SELECT CaptainID FROM DataObjectTest_Team WHERE ID = $team->ID")->value());
/* You should also be able to save a blank to it when it's first created */
$team = new DataObjectTest_Team();
$team->CaptainID = '';
$team->write();
$this->assertEquals(0, DB::query("SELECT CaptainID FROM DataObjectTest_Team WHERE ID = $team->ID")->value());
/* Ditto for existing records without a value */
$existingTeam = $this->objFromFixture('DataObjectTest_Team', 'team1');
$existingTeam->CaptainID = '';
$existingTeam->write();
$this->assertEquals(0, DB::query("SELECT CaptainID FROM DataObjectTest_Team WHERE ID = $existingTeam->ID")->value());
}
}
class DataObjectTest_Player extends Member implements TestOnly {
static $belongs_many_many = array(
'Teams' => 'DataObjectTest_Team'
);
}
class DataObjectTest_Team extends DataObject implements TestOnly {
static $db = array(
'Title' => 'Text',
);
static $has_one = array(
"Captain" => 'DataObjectTest_Player',
);
static $many_many = array(
'Players' => 'DataObjectTest_Player'
);
}
?>