silverstripe-framework/tests/model/DataListTest.php

<?php

/**
 * @package framework
 * @subpackage tests
 */
class DataListTest extends SapphireTest {

	// Borrow the model from DataObjectTest
	protected static $fixture_file = 'DataObjectTest.yml';

	protected $extraDataObjects = array(
		// From DataObjectTest
		'DataObjectTest_Team',
		'DataObjectTest_Fixture',
		'DataObjectTest_SubTeam',
		'OtherSubclassWithSameField',
		'DataObjectTest_FieldlessTable',
		'DataObjectTest_FieldlessSubTable',
		'DataObjectTest_ValidatedObject',
		'DataObjectTest_Player',
		'DataObjectTest_TeamComment',
		'DataObjectTest_EquipmentCompany',
		'DataObjectTest_SubEquipmentCompany',
		'DataObjectTest\NamespacedClass',
		'DataObjectTest\RelationClass',
		'DataObjectTest_ExtendedTeamComment',
		'DataObjectTest_Company',
		'DataObjectTest_Staff',
		'DataObjectTest_CEO',
		'DataObjectTest_Fan',
		'DataObjectTest_Play',
		'DataObjectTest_Ploy',
		'DataObjectTest_Bogey',
	);

	public function testFilterDataObjectByCreatedDate() {
		// create an object to test with
		$obj1 = new DataObjectTest_ValidatedObject();
		$obj1->Name = 'test obj 1';
		$obj1->write();
		$this->assertTrue($obj1->isInDB());

		// reload the object from the database and reset its Created timestamp to a known value
		$obj1 = DataObjectTest_ValidatedObject::get()->filter(array('Name' => 'test obj 1'))->first();
		$this->assertTrue(is_object($obj1));
		$this->assertEquals('test obj 1', $obj1->Name);
		$obj1->Created = '2013-01-01 00:00:00';
		$obj1->write();

		// reload the object again and make sure that our Created date was properly persisted
		$obj1 = DataObjectTest_ValidatedObject::get()->filter(array('Name' => 'test obj 1'))->first();
		$this->assertTrue(is_object($obj1));
		$this->assertEquals('test obj 1', $obj1->Name);
		$this->assertEquals('2013-01-01 00:00:00', $obj1->Created);

		// now save a second object to the DB with an automatically-set Created value
		$obj2 = new DataObjectTest_ValidatedObject();
		$obj2->Name = 'test obj 2';
		$obj2->write();
		$this->assertTrue($obj2->isInDB());

		// and a third object
		$obj3 = new DataObjectTest_ValidatedObject();
		$obj3->Name = 'test obj 3';
		$obj3->write();
		$this->assertTrue($obj3->isInDB());

		// now test the filtering based on Created timestamp
		$list = DataObjectTest_ValidatedObject::get()
			->filter(array('Created:GreaterThan' => '2013-02-01 00:00:00'))
			->toArray();
		$this->assertEquals(2, count($list));

	}

	public function testSubtract(){
		$comment1 = $this->objFromFixture('DataObjectTest_TeamComment', 'comment1');
		$subtractList = DataObjectTest_TeamComment::get()->filter('ID', $comment1->ID);
		$fullList = DataObjectTest_TeamComment::get();
		$newList = $fullList->subtract($subtractList);
		$this->assertEquals(2, $newList->Count(), 'List should only contain two objects after subtraction');
	}

	public function testSubtractBadDataclassThrowsException(){
		$this->setExpectedException('InvalidArgumentException');
		$teamsComments = DataObjectTest_TeamComment::get();
		$teams = DataObjectTest_Team::get();
		$teamsComments->subtract($teams);
	}

	public function testListCreationSortAndLimit() {
		// By default, a DataList will contain all items of that class
		$list = DataObjectTest_TeamComment::get()->sort('ID');

		// We can iterate on the DataList
		$names = array();
		foreach($list as $item) {
			$names[] = $item->Name;
		}
		$this->assertEquals(array('Joe', 'Bob', 'Phil'), $names);

		// If we don't want to iterate, we can extract a single column from the list with column()
		$this->assertEquals(array('Joe', 'Bob', 'Phil'), $list->column('Name'));

		// We can sort a list
		$list = $list->sort('Name');
		$this->assertEquals(array('Bob', 'Joe', 'Phil'), $list->column('Name'));

		// We can also restrict the output to a range
		$this->assertEquals(array('Joe', 'Phil'), $list->limit(2, 1)->column('Name'));
	}

	public function testLimitAndOffset() {
		$list = DataObjectTest_TeamComment::get();
		$check = $list->limit(3);

		$this->assertEquals(3, $check->count());

		$check = $list->limit(1);
		$this->assertEquals(1, $check->count());

		$check = $list->limit(1, 1);
		$this->assertEquals(1, $check->count());

		$check = $list->limit(false);
		$this->assertEquals(3, $check->count());

		$check = $list->limit(null);
		$this->assertEquals(3, $check->count());

		$check = $list->limit(null, 2);
		$this->assertEquals(1, $check->count());

		// count()/first()/last() methods may alter limit/offset, so run the query and manually check the count
		$check = $list->limit(null, 1)->toArray();
		$this->assertEquals(2, count($check));
	}

	public function testDistinct() {
		$list = DataObjectTest_TeamComment::get();
		$this->assertContains('SELECT DISTINCT', $list->dataQuery()->sql($params), 'Query is set as distinct by default');

		$list = $list->distinct(false);
		$this->assertNotContains('SELECT DISTINCT', $list->dataQuery()->sql($params), 'Query does not contain distinct');

		$list = $list->distinct(true);
		$this->assertContains('SELECT DISTINCT', $list->dataQuery()->sql($params), 'Query contains distinct');
	}

	public function testDataClass() {
		$list = DataObjectTest_TeamComment::get();
		$this->assertEquals('DataObjectTest_TeamComment',$list->dataClass());
	}

	public function testDataClassCaseInsensitive() {
		$list = DataList::create('dataobjecttest_teamcomment');
		$this->assertTrue($list->exists());
	}

	public function testClone() {
		$list = DataObjectTest_TeamComment::get();
		$this->assertEquals($list, clone($list));
	}

	public function testSql() {
		$db = DB::get_conn();
		$list = DataObjectTest_TeamComment::get();
		$expected = 'SELECT DISTINCT "DataObjectTest_TeamComment"."ClassName", '
			. '"DataObjectTest_TeamComment"."LastEdited", "DataObjectTest_TeamComment"."Created", '
			. '"DataObjectTest_TeamComment"."Name", "DataObjectTest_TeamComment"."Comment", '
			. '"DataObjectTest_TeamComment"."TeamID", "DataObjectTest_TeamComment"."ID", '
			. 'CASE WHEN "DataObjectTest_TeamComment"."ClassName" IS NOT NULL '
			. 'THEN "DataObjectTest_TeamComment"."ClassName" ELSE '
			. $db->quoteString('DataObjectTest_TeamComment')
			. ' END AS "RecordClassName" FROM "DataObjectTest_TeamComment"'
			. ' ORDER BY "DataObjectTest_TeamComment"."Name" ASC';
		$this->assertSQLEquals($expected, $list->sql($parameters));
	}

	public function testInnerJoin() {
		$db = DB::get_conn();

		$list = DataObjectTest_TeamComment::get();
		$list = $list->innerJoin(
			'DataObjectTest_Team',
			'"DataObjectTest_Team"."ID" = "DataObjectTest_TeamComment"."TeamID"',
			'Team'
		);

		$expected = 'SELECT DISTINCT "DataObjectTest_TeamComment"."ClassName", '
			. '"DataObjectTest_TeamComment"."LastEdited", "DataObjectTest_TeamComment"."Created", '
			. '"DataObjectTest_TeamComment"."Name", "DataObjectTest_TeamComment"."Comment", '
			. '"DataObjectTest_TeamComment"."TeamID", "DataObjectTest_TeamComment"."ID", '
			. 'CASE WHEN "DataObjectTest_TeamComment"."ClassName" IS NOT NULL'
			. ' THEN "DataObjectTest_TeamComment"."ClassName" ELSE '
			. $db->quoteString('DataObjectTest_TeamComment')
			. ' END AS "RecordClassName" FROM "DataObjectTest_TeamComment" INNER JOIN '
			. '"DataObjectTest_Team" AS "Team" ON "DataObjectTest_Team"."ID" = '
			. '"DataObjectTest_TeamComment"."TeamID"'
			. ' ORDER BY "DataObjectTest_TeamComment"."Name" ASC';


		$this->assertSQLEquals($expected, $list->sql($parameters));
		$this->assertEmpty($parameters);
	}

	public function testInnerJoinParameterised() {
		$db = DB::get_conn();

		$list = DataObjectTest_TeamComment::get();
		$list = $list->innerJoin(
			'DataObjectTest_Team',
			'"DataObjectTest_Team"."ID" = "DataObjectTest_TeamComment"."TeamID" '
			. 'AND "DataObjectTest_Team"."Title" LIKE ?',
			'Team',
			20,
			array('Team%')
		);

		$expected = 'SELECT DISTINCT "DataObjectTest_TeamComment"."ClassName", '
			. '"DataObjectTest_TeamComment"."LastEdited", "DataObjectTest_TeamComment"."Created", '
			. '"DataObjectTest_TeamComment"."Name", "DataObjectTest_TeamComment"."Comment", '
			. '"DataObjectTest_TeamComment"."TeamID", "DataObjectTest_TeamComment"."ID", '
			. 'CASE WHEN "DataObjectTest_TeamComment"."ClassName" IS NOT NULL'
			. ' THEN "DataObjectTest_TeamComment"."ClassName" ELSE '
			. $db->quoteString('DataObjectTest_TeamComment')
			. ' END AS "RecordClassName" FROM "DataObjectTest_TeamComment" INNER JOIN '
			. '"DataObjectTest_Team" AS "Team" ON "DataObjectTest_Team"."ID" = '
			. '"DataObjectTest_TeamComment"."TeamID" '
			. 'AND "DataObjectTest_Team"."Title" LIKE ?'
			. ' ORDER BY "DataObjectTest_TeamComment"."Name" ASC';

		$this->assertSQLEquals($expected, $list->sql($parameters));
		$this->assertEquals(array('Team%'), $parameters);
	}

	public function testLeftJoin() {
		$db = DB::get_conn();

		$list = DataObjectTest_TeamComment::get();
		$list = $list->leftJoin(
			'DataObjectTest_Team',
			'"DataObjectTest_Team"."ID" = "DataObjectTest_TeamComment"."TeamID"',
			'Team'
		);

		$expected = 'SELECT DISTINCT "DataObjectTest_TeamComment"."ClassName", '
			. '"DataObjectTest_TeamComment"."LastEdited", "DataObjectTest_TeamComment"."Created", '
			. '"DataObjectTest_TeamComment"."Name", "DataObjectTest_TeamComment"."Comment", '
			. '"DataObjectTest_TeamComment"."TeamID", "DataObjectTest_TeamComment"."ID", '
			. 'CASE WHEN "DataObjectTest_TeamComment"."ClassName" IS NOT NULL '
			. 'THEN "DataObjectTest_TeamComment"."ClassName" ELSE '
			. $db->quoteString('DataObjectTest_TeamComment')
			. ' END AS "RecordClassName" FROM "DataObjectTest_TeamComment" LEFT JOIN "DataObjectTest_Team" '
			. 'AS "Team" ON "DataObjectTest_Team"."ID" = "DataObjectTest_TeamComment"."TeamID"'
			. ' ORDER BY "DataObjectTest_TeamComment"."Name" ASC';


		$this->assertSQLEquals($expected, $list->sql($parameters));
		$this->assertEmpty($parameters);

		// Test with namespaces (with non-sensical join, but good enough for testing)
		$list = DataObjectTest_TeamComment::get();
		$list = $list->leftJoin(
			'DataObjectTest\NamespacedClass',
			'"DataObjectTest\NamespacedClass"."ID" = "DataObjectTest_TeamComment"."ID"'
		);

		$expected = 'SELECT DISTINCT "DataObjectTest_TeamComment"."ClassName", '
			. '"DataObjectTest_TeamComment"."LastEdited", '
			. '"DataObjectTest_TeamComment"."Created", '
			. '"DataObjectTest_TeamComment"."Name", '
			. '"DataObjectTest_TeamComment"."Comment", '
			. '"DataObjectTest_TeamComment"."TeamID", '
			. '"DataObjectTest_TeamComment"."ID", '
			. 'CASE WHEN "DataObjectTest_TeamComment"."ClassName" IS NOT NULL '
			. 'THEN "DataObjectTest_TeamComment"."ClassName" '
			. 'ELSE ' . $db->quoteString('DataObjectTest_TeamComment') . ' END AS "RecordClassName" '
			. 'FROM "DataObjectTest_TeamComment" '
			. 'LEFT JOIN "DataObjectTest\NamespacedClass" ON '
			. '"DataObjectTest\NamespacedClass"."ID" = "DataObjectTest_TeamComment"."ID"'
			. ' ORDER BY "DataObjectTest_TeamComment"."Name" ASC';
		$this->assertSQLEquals($expected, $list->sql($parameters), 'Retains backslashes in namespaced classes');
		$this->assertEmpty($parameters);

	}

	public function testLeftJoinParameterised() {
		$db = DB::get_conn();

		$list = DataObjectTest_TeamComment::get();
		$list = $list->leftJoin(
			'DataObjectTest_Team',
			'"DataObjectTest_Team"."ID" = "DataObjectTest_TeamComment"."TeamID" '
			. 'AND "DataObjectTest_Team"."Title" LIKE ?',
			'Team',
			20,
			array('Team%')
		);

		$expected = 'SELECT DISTINCT "DataObjectTest_TeamComment"."ClassName", '
			. '"DataObjectTest_TeamComment"."LastEdited", "DataObjectTest_TeamComment"."Created", '
			. '"DataObjectTest_TeamComment"."Name", "DataObjectTest_TeamComment"."Comment", '
			. '"DataObjectTest_TeamComment"."TeamID", "DataObjectTest_TeamComment"."ID", '
			. 'CASE WHEN "DataObjectTest_TeamComment"."ClassName" IS NOT NULL'
			. ' THEN "DataObjectTest_TeamComment"."ClassName" ELSE '
			. $db->quoteString('DataObjectTest_TeamComment')
			. ' END AS "RecordClassName" FROM "DataObjectTest_TeamComment" LEFT JOIN '
			. '"DataObjectTest_Team" AS "Team" ON "DataObjectTest_Team"."ID" = '
			. '"DataObjectTest_TeamComment"."TeamID" '
			. 'AND "DataObjectTest_Team"."Title" LIKE ?'
			. ' ORDER BY "DataObjectTest_TeamComment"."Name" ASC';

		$this->assertSQLEquals($expected, $list->sql($parameters));
		$this->assertEquals(array('Team%'), $parameters);
	}

	public function testToNestedArray() {
		$list = DataObjectTest_TeamComment::get()->sort('ID');
		$nestedArray = $list->toNestedArray();
		$expected = array(
			0=>
			array(
				'ClassName'=>'DataObjectTest_TeamComment',
				'Name'=>'Joe',
				'Comment'=>'This is a team comment by Joe',
				'TeamID'=> $this->objFromFixture('DataObjectTest_TeamComment', 'comment1')->TeamID,
			),
			1=>
			array(
				'ClassName'=>'DataObjectTest_TeamComment',
				'Name'=>'Bob',
				'Comment'=>'This is a team comment by Bob',
				'TeamID'=> $this->objFromFixture('DataObjectTest_TeamComment', 'comment2')->TeamID,
			),
			2=>
			array(
				'ClassName'=>'DataObjectTest_TeamComment',
				'Name'=>'Phil',
				'Comment'=>'Phil is a unique guy, and comments on team2',
				'TeamID'=> $this->objFromFixture('DataObjectTest_TeamComment', 'comment3')->TeamID,
			),
		);
		$this->assertEquals(3, count($nestedArray));
		$this->assertEquals($expected[0]['Name'], $nestedArray[0]['Name']);
		$this->assertEquals($expected[1]['Comment'], $nestedArray[1]['Comment']);
		$this->assertEquals($expected[2]['TeamID'], $nestedArray[2]['TeamID']);
	}

	public function testMap() {
		$map = DataObjectTest_TeamComment::get()->map()->toArray();
		$expected = array(
			$this->idFromFixture('DataObjectTest_TeamComment', 'comment1') => 'Joe',
			$this->idFromFixture('DataObjectTest_TeamComment', 'comment2') => 'Bob',
			$this->idFromFixture('DataObjectTest_TeamComment', 'comment3') => 'Phil'
		);

		$this->assertEquals($expected, $map);
		$otherMap = DataObjectTest_TeamComment::get()->map('Name', 'TeamID')->toArray();
		$otherExpected = array(
			'Joe' => $this->objFromFixture('DataObjectTest_TeamComment', 'comment1')->TeamID,
			'Bob' => $this->objFromFixture('DataObjectTest_TeamComment', 'comment2')->TeamID,
			'Phil' => $this->objFromFixture('DataObjectTest_TeamComment', 'comment3')->TeamID
		);

		$this->assertEquals($otherExpected, $otherMap);
	}

	public function testEach() {
		$list = DataObjectTest_TeamComment::get();

		$count = 0;
		$test = $this;

		$list->each(function($item) use (&$count, $test) {
			$count++;

			$test->assertTrue(is_a($item, "DataObjectTest_TeamComment"));
		});

		$this->assertEquals($list->Count(), $count);
	}

	public function testWhere() {
		// We can use raw SQL queries with where.  This is only recommended for advanced uses;
		// if you can, you should use filter().
		$list = DataObjectTest_TeamComment::get();

		// where() returns a new DataList, like all the other modifiers, so it can be chained.
		$list2 = $list->where('"Name" = \'Joe\'');
		$this->assertEquals(array('This is a team comment by Joe'), $list2->column('Comment'));

		// The where() clauses are chained together with AND
		$list3 = $list2->where('"Name" = \'Bob\'');
		$this->assertEquals(array(), $list3->column('Comment'));
	}

	/**
	 * Test DataList->byID()
	 */
	public function testByID() {
		// We can get a single item by ID.
		$id = $this->idFromFixture('DataObjectTest_Team','team2');
		$team = DataObjectTest_Team::get()->byID($id);

		// byID() returns a DataObject, rather than a DataList
		$this->assertInstanceOf('DataObjectTest_Team', $team);
		$this->assertEquals('Team 2', $team->Title);

		// Assert that filtering on ID searches by the base table, not the child table field
		$query = DataObjectTest_SubTeam::get()->filter('ID', 4)->sql($parameters);
		$this->assertContains('WHERE ("DataObjectTest_Team"."ID" = ?)', $query);
		$this->assertNotContains('WHERE ("DataObjectTest_SubTeam"."ID" = ?)', $query);
	}

	public function testByIDs() {
		$knownIDs = $this->allFixtureIDs('DataObjectTest_Player');
		$removedID = array_pop($knownIDs);
		$filteredPlayers = DataObjectTest_Player::get()->byIDs($knownIDs);
		foreach ($filteredPlayers as $player) {
			$this->assertContains($player->ID, $knownIDs);
			$this->assertNotEquals($removedID, $player->ID);
		}
	}

	/**
	 * Test DataList->removeByID()
	 */
	public function testRemoveByID() {
		$list = DataObjectTest_Team::get();
		$id = $this->idFromFixture('DataObjectTest_Team','team2');

		$this->assertNotNull($list->byID($id));
		$list->removeByID($id);
		$this->assertNull($list->byID($id));
	}

	/**
	 * Test DataList->canSortBy()
	 */
	public function testCanSortBy() {
		// Basic check
		$team = DataObjectTest_Team::get();
		$this->assertTrue($team->canSortBy("Title"));
		$this->assertFalse($team->canSortBy("SomethingElse"));

		// Subclasses
		$subteam = DataObjectTest_SubTeam::get();
		$this->assertTrue($subteam->canSortBy("Title"));
		$this->assertTrue($subteam->canSortBy("SubclassDatabaseField"));
	}

	public function testDataListArrayAccess() {
		$list = DataObjectTest_Team::get()->sort('Title');

		// We can use array access to refer to single items in the DataList, as if it were an array
		$this->assertEquals("Subteam 1", $list[0]->Title);
		$this->assertEquals("Subteam 3", $list[2]->Title);
		$this->assertEquals("Team 2", $list[4]->Title);
	}

	public function testFind() {
		$list = DataObjectTest_Team::get();
		$record = $list->find('Title', 'Team 1');
		$this->assertEquals($this->idFromFixture('DataObjectTest_Team', 'team1'), $record->ID);
	}

	public function testFindById() {
		$list = DataObjectTest_Team::get();
		$record = $list->find('ID', $this->idFromFixture('DataObjectTest_Team', 'team1'));
		$this->assertEquals('Team 1', $record->Title);
		// Test that you can call it twice on the same list
		$record = $list->find('ID', $this->idFromFixture('DataObjectTest_Team', 'team2'));
		$this->assertEquals('Team 2', $record->Title);
	}

	public function testSimpleSort() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->sort('Name');
		$this->assertEquals('Bob', $list->first()->Name, 'First comment should be from Bob');
		$this->assertEquals('Phil', $list->last()->Name, 'Last comment should be from Phil');
	}

	public function testSimpleSortOneArgumentASC() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->sort('Name ASC');
		$this->assertEquals('Bob', $list->first()->Name, 'First comment should be from Bob');
		$this->assertEquals('Phil', $list->last()->Name, 'Last comment should be from Phil');
	}

	public function testSimpleSortOneArgumentDESC() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->sort('Name DESC');
		$this->assertEquals('Phil', $list->first()->Name, 'Last comment should be from Phil');
		$this->assertEquals('Bob', $list->last()->Name, 'First comment should be from Bob');
	}

	public function testSortOneArgumentMultipleColumns() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->sort('TeamID ASC, Name DESC');
		$this->assertEquals('Joe', $list->first()->Name, 'First comment should be from Bob');
		$this->assertEquals('Phil', $list->last()->Name, 'Last comment should be from Phil');
	}

	public function testSimpleSortASC() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->sort('Name', 'asc');
		$this->assertEquals('Bob', $list->first()->Name, 'First comment should be from Bob');
		$this->assertEquals('Phil', $list->last()->Name, 'Last comment should be from Phil');
	}

	public function testSimpleSortDESC() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->sort('Name', 'desc');
		$this->assertEquals('Phil', $list->first()->Name, 'Last comment should be from Phil');
		$this->assertEquals('Bob', $list->last()->Name, 'First comment should be from Bob');
	}

	public function testSortWithArraySyntaxSortASC() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->sort(array('Name'=>'asc'));
		$this->assertEquals('Bob', $list->first()->Name, 'First comment should be from Bob');
		$this->assertEquals('Phil', $list->last()->Name, 'Last comment should be from Phil');
	}

	public function testSortWithArraySyntaxSortDESC() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->sort(array('Name'=>'desc'));
		$this->assertEquals('Phil', $list->first()->Name, 'Last comment should be from Phil');
		$this->assertEquals('Bob', $list->last()->Name, 'First comment should be from Bob');
	}

	public function testSortWithMultipleArraySyntaxSort() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->sort(array('TeamID'=>'asc','Name'=>'desc'));
		$this->assertEquals('Joe', $list->first()->Name, 'First comment should be from Bob');
		$this->assertEquals('Phil', $list->last()->Name, 'Last comment should be from Phil');
	}

	public function testSortWithCompositeSyntax() {
		// Phil commented on team with founder surname "Aaron"
		$list = DataObjectTest_TeamComment::get();
		$list = $list->sort('Team.Founder.Surname', 'asc');
		$this->assertEquals('Phil', $list->first()->Name);
		$list = $list->sort('Team.Founder.Surname', 'desc');
		$this->assertEquals('Phil', $list->last()->Name);
	}

	public function testSortInvalidParameters() {
		$this->setExpectedException(
			'InvalidArgumentException',
			'Fans is not a linear relation on model DataObjectTest_Player'
		);
		$list = DataObjectTest_Team::get();
		$list = $list->sort('Founder.Fans.Surname'); // Can't sort on has_many
	}



	/**
	 * $list->filter('Name', 'bob'); // only bob in the list
	 */
	public function testSimpleFilter() {
		$list = DataObjectTest_Team::get();
		$list = $list->filter('Title','Team 2');
		$this->assertEquals(1, $list->count());
		$this->assertEquals('Team 2', $list->first()->Title, 'List should only contain Team 2');
		$this->assertEquals('Team 2', $list->last()->Title, 'Last should only contain Team 2');
	}

	public function testSimpleFilterEndsWith() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->filter('Name:EndsWith', 'b');
		$this->assertEquals(1, $list->count());
		$this->assertEquals('Bob', $list->first()->Name, 'First comment should be from Bob');
	}

	public function testSimpleFilterExactMatchFilter() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->filter('Name:ExactMatch', 'Bob');
		$this->assertEquals(1, $list->count());
		$this->assertEquals('Bob', $list->first()->Name, 'First comment should be from Bob');
	}

	public function testSimpleFilterGreaterThanFilter() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->filter('TeamID:GreaterThan', $this->idFromFixture('DataObjectTest_Team', 'team1'));
		$this->assertEquals(1, $list->count());
		$this->assertEquals('Phil', $list->first()->Name, 'First comment should be from Phil');
	}

	public function testSimpleFilterGreaterThanOrEqualFilter() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->filter('TeamID:GreaterThanOrEqual',
			$this->idFromFixture('DataObjectTest_Team', 'team1'))->sort("ID");
		$this->assertEquals(3, $list->count());
		$this->assertEquals('Joe', $list->first()->Name, 'First comment should be from Joe');
		$this->assertEquals('Phil', $list->last()->Name, 'Last comment should be from Phil');
	}

	public function testSimpleFilterLessThanFilter() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->filter('TeamID:LessThan',
			$this->idFromFixture('DataObjectTest_Team', 'team2'))->sort('Name');
		$this->assertEquals(2, $list->count());
		$this->assertEquals('Bob', $list->first()->Name, 'First comment should be from Bob');
		$this->assertEquals('Joe', $list->Last()->Name, 'Last comment should be from Joe');
	}

	public function testSimpleFilterLessThanOrEqualFilter() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->filter('TeamID:LessThanOrEqual',
			$this->idFromFixture('DataObjectTest_Team', 'team1'))->sort('ID');
		$this->assertEquals(2, $list->count());
		$this->assertEquals('Joe', $list->first()->Name, 'First comment should be from Joe');
		$this->assertEquals('Bob', $list->Last()->Name, 'Last comment should be from Bob');
	}

	public function testSimplePartialMatchFilter() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->filter('Name:PartialMatch', 'o')->sort('Name');
		$this->assertEquals(2, $list->count());
		$this->assertEquals('Bob', $list->first()->Name, 'First comment should be from Bob');
		$this->assertEquals('Joe', $list->last()->Name, 'First comment should be from Joe');
	}

	public function testSimpleFilterStartsWith() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->filter('Name:StartsWith', 'B');
		$this->assertEquals(1, $list->count());
		$this->assertEquals('Bob', $list->first()->Name, 'First comment should be from Bob');
	}

	public function testSimpleFilterWithNonExistingComparisator() {
		$this->setExpectedException('InvalidArgumentException');
		$list = DataObjectTest_TeamComment::get();
		$list = $list->filter('Comment:Bogus', 'team comment');
	}

	/**
	 * $list->filter('Name', array('aziz', 'bob'); // aziz and bob in list
	 */
	public function testSimpleFilterWithMultiple() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->filter('Name', array('Bob','Phil'));
		$list = $list->sort('Name', 'ASC');
		$this->assertEquals(2, $list->count());
		$this->assertEquals('Bob', $list->first()->Name, 'First comment should be from Bob');
		$this->assertEquals('Phil', $list->last()->Name, 'Last comment should be from Phil');
	}

	public function testMultipleFilterWithNoMatch() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->filter(array('Name'=>'Bob', 'Comment'=>'Phil is a unique guy, and comments on team2'));
		$this->assertEquals(0, $list->count());
	}

	/**
	 *  $list->filter(array('Name'=>'bob, 'Age'=>21)); // bob with the age 21
	 */
	public function testFilterMultipleArray() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->filter(array('Name'=>'Bob', 'Comment'=>'This is a team comment by Bob'));
		$list = $list->sort('Name', 'ASC');
		$this->assertEquals(1, $list->count());
		$this->assertEquals('Bob', $list->first()->Name, 'Only comment should be from Bob');
	}

	public function testFilterMultipleWithTwoMatches() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->filter(array('TeamID'=>$this->idFromFixture('DataObjectTest_Team', 'team1')));
		$this->assertEquals(2, $list->count());
	}

	public function testFilterMultipleWithArrayFilter() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->filter(array('Name'=>array('Bob','Phil')));
		$list = $list->sort('Name', 'ASC');
		$this->assertEquals(2, $list->count(), 'There should be two comments');
		$this->assertEquals('Bob', $list->first()->Name, 'First comment should be from Bob');
		$this->assertEquals('Phil', $list->last()->Name, 'Last comment should be from Phil');
	}

	public function testFilterMultipleWithArrayFilterAndModifiers() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->filter(array('Name:StartsWith'=>array('Bo', 'Jo')));
		$list = $list->sort('Name', 'ASC');
		$this->assertEquals(2, $list->count());
		$this->assertEquals('Bob', $list->first()->Name);
		$this->assertEquals('Joe', $list->last()->Name);
	}

	/**
	 * $list->filter(array('Name'=>array('aziz','bob'), 'Age'=>array(21, 43)));
	 */
	public function testFilterArrayInArray() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->filter(array(
			'Name'=>array('Bob','Phil'),
			'TeamID'=>array($this->idFromFixture('DataObjectTest_Team', 'team1'))));
		$this->assertEquals(1, $list->count(), 'There should be one comment');
		$this->assertEquals('Bob', $list->first()->Name, 'Only comment should be from Bob');
	}

	public function testFilterWithModifiers() {
		$list = DataObjectTest_TeamComment::get();
		$nocaseList = $list->filter('Name:nocase', 'bob');
		$this->assertEquals(1, $nocaseList->count(), 'There should be one comment');
		$caseList = $list->filter('Name:case', 'bob');
		$this->assertEquals(0, $caseList->count(), 'There should be no comments');
		$gtList = $list->filter('TeamID:GreaterThan:not',
			$this->idFromFixture('DataObjectTest_Team', 'team1'));
		$this->assertEquals(2, $gtList->count());
	}

	public function testFilterAny() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->filterAny('Name', 'Bob');
		$this->assertEquals(1, $list->count());
	}

	public function testFilterAnyMultipleArray() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->filterAny(array('Name'=>'Bob', 'Comment'=>'This is a team comment by Bob'));
		$this->assertEquals(1, $list->count());
		$this->assertEquals('Bob', $list->first()->Name, 'Only comment should be from Bob');
	}

	public function testFilterAnyOnFilter() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->filter(array(
			'TeamID'=>$this->idFromFixture('DataObjectTest_Team', 'team1')
		));
		$list = $list->filterAny(array(
			'Name'=>array('Phil', 'Joe'),
			'Comment'=>'This is a team comment by Bob'
		));
		$list = $list->sort('Name');
		$this->assertEquals(2, $list->count());
		$this->assertEquals(
			'Bob',
			$list->offsetGet(0)->Name,
			'Results should include comments from Bob, matched by comment and team'
		);
		$this->assertEquals(
			'Joe',
			$list->offsetGet(1)->Name,
			'Results should include comments by Joe, matched by name and team (not by comment)'
		);

		$list = DataObjectTest_TeamComment::get();
		$list = $list->filter(array(
			'TeamID'=>$this->idFromFixture('DataObjectTest_Team', 'team1')
		));
		$list = $list->filterAny(array(
			'Name'=>array('Phil', 'Joe'),
			'Comment'=>'This is a team comment by Bob'
		));
		$list = $list->sort('Name');
		$list = $list->filter(array('Name' => 'Bob'));
		$this->assertEquals(1, $list->count());
		$this->assertEquals(
			'Bob',
			$list->offsetGet(0)->Name,
			'Results should include comments from Bob, matched by name and team'
		);
	}

	public function testFilterAnyMultipleWithArrayFilter() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->filterAny(array('Name'=>array('Bob','Phil')));
		$this->assertEquals(2, $list->count(), 'There should be two comments');
		$this->assertEquals('Bob', $list->first()->Name, 'First comment should be from Bob');
		$this->assertEquals('Phil', $list->last()->Name, 'Last comment should be from Phil');
	}

	public function testFilterAnyArrayInArray() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->filterAny(array(
			'Name'=>array('Bob','Phil'),
			'TeamID'=>array($this->idFromFixture('DataObjectTest_Team', 'team1'))))
			->sort('Name');
		$this->assertEquals(3, $list->count());
		$this->assertEquals(
			'Bob',
			$list->offsetGet(0)->Name,
			'Results should include comments from Bob, matched by name and team'
		);
		$this->assertEquals(
			'Joe',
			$list->offsetGet(1)->Name,
			'Results should include comments by Joe, matched by team (not by name)'
		);
		$this->assertEquals(
			'Phil',
			$list->offsetGet(2)->Name,
			'Results should include comments from Phil, matched by name (even if he\'s not in Team1)'
		);
	}

	public function testFilterOnJoin() {
		$list = DataObjectTest_TeamComment::get()
			->leftJoin('DataObjectTest_Team',
				'"DataObjectTest_Team"."ID" = "DataObjectTest_TeamComment"."TeamID"'
			)->filter(array(
				'Title' => 'Team 1'
			));

		$this->assertEquals(2, $list->count());
		$values = $list->column('Name');
		$this->assertEquals(array_intersect($values, array('Joe', 'Bob')), $values);
	}

	public function testFilterOnImplicitJoin() {
		// Many to many
		$list = DataObjectTest_Team::get()
			->filter('Players.FirstName', array('Captain', 'Captain 2'));

		$this->assertEquals(2, $list->count());

		// Has many
		$list = DataObjectTest_Team::get()
			->filter('Comments.Name', array('Joe', 'Phil'));

		$this->assertEquals(2, $list->count());

		// Has one
		$list = DataObjectTest_Player::get()
			->filter('FavouriteTeam.Title', 'Team 1');

		$this->assertEquals(1, $list->count());
		$this->assertEquals('007', $list->first()->ShirtNumber);
	}

	public function testFilterOnInvalidRelation() {
		$this->setExpectedException(
			'InvalidArgumentException',
			"MascotAnimal is not a relation on model DataObjectTest_Team"
		);
		// Filter on missing relation 'MascotAnimal'
		DataObjectTest_Team::get()
			->filter('MascotAnimal.Name', 'Richard')
			->toArray();
	}

	public function testFilterAndExcludeById() {
		$id = $this->idFromFixture('DataObjectTest_SubTeam', 'subteam1');
		$list = DataObjectTest_SubTeam::get()->filter('ID', $id);
		$this->assertEquals($id, $list->first()->ID);

		$list = DataObjectTest_SubTeam::get();
		$this->assertEquals(3, count($list));
		$this->assertEquals(2, count($list->exclude('ID', $id)));

		// Check that classes with namespaces work.
		$obj = new DataObjectTest\NamespacedClass();
		$obj->Name = "Test";
		$obj->write();

		$list = DataObjectTest\NamespacedClass::get()->filter('ID', $obj->ID);
		$this->assertEquals('Test', $list->First()->Name);
		$this->assertEquals(0, $list->exclude('ID', $obj->ID)->count());
	}

	public function testFilterByNull() {
		$list = DataObjectTest_Fan::get();
		// Force DataObjectTest_Fan/fan5::Email to empty string
		$fan5id = $this->idFromFixture('DataObjectTest_Fan', 'fan5');
		DB::prepared_query("UPDATE \"DataObjectTest_Fan\" SET \"Email\" = '' WHERE \"ID\" = ?", array($fan5id));

		// Filter by null email
		$nullEmails = $list->filter('Email', null);
		$this->assertDOSEquals(array(
			array(
				'Name' => 'Stephen',
			),
			array(
				'Name' => 'Mitch',
			)
		), $nullEmails);

		// Filter by non-null
		$nonNullEmails = $list->filter('Email:not', null);
		$this->assertDOSEquals(array(
			array(
				'Name' => 'Damian',
				'Email' => 'damian@thefans.com',
			),
			array(
				'Name' => 'Richard',
				'Email' => 'richie@richers.com',
			),
			array(
				'Name' => 'Hamish',
			)
		), $nonNullEmails);

		// Filter by empty only
		$emptyOnly = $list->filter('Email', '');
		$this->assertDOSEquals(array(
			array(
				'Name' => 'Hamish',
			)
		), $emptyOnly);

		// Non-empty only. This should include null values, since ExactMatchFilter works around
		// the caveat that != '' also excludes null values in ANSI SQL-92 behaviour.
		$nonEmptyOnly = $list->filter('Email:not', '');
		$this->assertDOSEquals(array(
			array(
				'Name' => 'Damian',
				'Email' => 'damian@thefans.com',
			),
			array(
				'Name' => 'Richard',
				'Email' => 'richie@richers.com',
			),
			array(
				'Name' => 'Stephen',
			),
			array(
				'Name' => 'Mitch',
			)
		), $nonEmptyOnly);

		// Filter by many including null, empty string, and non-empty
		$items1 = $list->filter('Email', array(null, '', 'damian@thefans.com'));
		$this->assertDOSEquals(array(
			array(
				'Name' => 'Damian',
				'Email' => 'damian@thefans.com',
			),
			array(
				'Name' => 'Stephen',
			),
			array(
				'Name' => 'Mitch',
			),
			array(
				'Name' => 'Hamish',
			)
		), $items1);

		// Filter exclusion of above list
		$items2 = $list->filter('Email:not', array(null, '', 'damian@thefans.com'));
		$this->assertDOSEquals(array(
			array(
				'Name' => 'Richard',
				'Email' => 'richie@richers.com',
			),
		), $items2);

		// Filter by many including empty string and non-empty
		$items3 = $list->filter('Email', array('', 'damian@thefans.com'));
		$this->assertDOSEquals(array(
			array(
				'Name' => 'Damian',
				'Email' => 'damian@thefans.com',
			),
			array(
				'Name' => 'Hamish',
			)
		), $items3);

		// Filter by many including empty string and non-empty
		// This also relies no the workaround for null comparison as in the $nonEmptyOnly test
		$items4 = $list->filter('Email:not', array('', 'damian@thefans.com'));
		$this->assertDOSEquals(array(
			array(
				'Name' => 'Richard',
				'Email' => 'richie@richers.com',
			),
			array(
				'Name' => 'Stephen',
			),
			array(
				'Name' => 'Mitch',
			)
		), $items4);

		// Filter by many including empty string and non-empty
		// The extra null check isn't necessary, but check that this doesn't fail
		$items5 = $list->filterAny(array(
			'Email:not' => array('', 'damian@thefans.com'),
			'Email' => null
		));
		$this->assertDOSEquals(array(
			array(
				'Name' => 'Richard',
				'Email' => 'richie@richers.com',
			),
			array(
				'Name' => 'Stephen',
			),
			array(
				'Name' => 'Mitch',
			)
		), $items5);

		// Filter by null or empty values
		$items6 = $list->filter('Email', array(null, ''));
		$this->assertDOSEquals(array(
			array(
				'Name' => 'Stephen',
			),
			array(
				'Name' => 'Mitch',
			),
			array(
				'Name' => 'Hamish',
			)
		), $items6);
	}

	/**
	 * Test null checks with case modifiers
	 */
	public function testFilterByNullCase() {
		// Test with case (case/nocase both use same code path)
		// Test with and without null, and with inclusion/exclusion permutations
		$list = DataObjectTest_Fan::get();

		// Only an explicit NOT NULL should include null values
		$items6 = $list->filter('Email:not:case', array(null, '', 'damian@thefans.com'));
		$this->assertSQLContains(' AND "DataObjectTest_Fan"."Email" IS NOT NULL', $items6->sql());

		// These should all include values where Email IS NULL
		$items7 = $list->filter('Email:nocase', array(null, '', 'damian@thefans.com'));
		$this->assertSQLContains(' OR "DataObjectTest_Fan"."Email" IS NULL', $items7->sql());
		$items8 = $list->filter('Email:not:case', array('', 'damian@thefans.com'));
		$this->assertSQLContains(' OR "DataObjectTest_Fan"."Email" IS NULL', $items8->sql());

		// These should not contain any null checks at all
		$items9 = $list->filter('Email:nocase', array('', 'damian@thefans.com'));
		$this->assertSQLNotContains('"DataObjectTest_Fan"."Email" IS NULL', $items9->sql());
		$this->assertSQLNotContains('"DataObjectTest_Fan"."Email" IS NOT NULL', $items9->sql());
	}

	/**
	 * $list = $list->filterByCallback(function($item, $list) { return $item->Age == 21; })
	 */
	public function testFilterByCallback() {
		$team1ID = $this->idFromFixture('DataObjectTest_Team', 'team1');
		$list = DataObjectTest_TeamComment::get();
		$list = $list->filterByCallback(function ($item, $list) use ($team1ID) {
			return $item->TeamID == $team1ID;
		});

		$result = $list->column('Name');
		$expected = array_intersect($result, array('Joe', 'Bob'));

		$this->assertEquals(2, $list->count());
		$this->assertEquals($expected, $result, 'List should only contain comments from Team 1 (Joe and Bob)');
		$this->assertTrue($list instanceof SS_Filterable, 'The List should be of type SS_Filterable');
	}

	/**
	 * $list->exclude('Name', 'bob'); // exclude bob from list
	 */
	public function testSimpleExclude() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->exclude('Name', 'Bob');
		$list = $list->sort('Name');
		$this->assertEquals(2, $list->count());
		$this->assertEquals('Joe', $list->first()->Name, 'First comment should be from Joe');
		$this->assertEquals('Phil', $list->last()->Name, 'Last comment should be from Phil');
	}
//
	/**
	 * $list->exclude('Name', array('aziz', 'bob'); // exclude aziz and bob from list
	 */
	public function testSimpleExcludeWithMultiple() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->exclude('Name', array('Joe','Phil'));
		$this->assertEquals(1, $list->count());
		$this->assertEquals('Bob', $list->first()->Name, 'First comment should be from Bob');
	}

	/**
	 * $list->exclude(array('Name'=>'bob, 'Age'=>21)); // negative version
	 */
	public function testMultipleExcludeWithMiss() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->exclude(array('Name'=>'Bob', 'Comment'=>'Does not match any comments'));
		$this->assertEquals(3, $list->count());
	}

	/**
	 * $list->exclude(array('Name'=>'bob, 'Age'=>21)); // exclude bob that has Age 21
	 */
	public function testMultipleExclude() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->exclude(array('Name'=>'Bob', 'Comment'=>'This is a team comment by Bob'));
		$this->assertEquals(2, $list->count());
	}

	/**
	 * Test that if an exclude() is applied to a filter(), the filter() is still preserved.
	 */
	public function testExcludeOnFilter() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->filter('Comment', 'Phil is a unique guy, and comments on team2');
		$list = $list->exclude('Name', 'Bob');

		$sql = $list->sql($parameters);
		$this->assertSQLContains(
			'WHERE ("DataObjectTest_TeamComment"."Comment" = ?) AND (("DataObjectTest_TeamComment"."Name" != ? '
			. 'OR "DataObjectTest_TeamComment"."Name" IS NULL))',
			$sql);
		$this->assertEquals(array('Phil is a unique guy, and comments on team2', 'Bob'), $parameters);
	}

	public function testExcludeWithSearchFilter() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->exclude('Name:LessThan', 'Bob');

		$sql = $list->sql($parameters);
		$this->assertSQLContains('WHERE (("DataObjectTest_TeamComment"."Name" >= ?))', $sql);
		$this->assertEquals(array('Bob'), $parameters);
	}

	/**
	 * Test exact match filter with empty array items
	 */
	public function testEmptyFilter() {
		$this->setExpectedException("InvalidArgumentException", 'Cannot filter "DataObjectTest_TeamComment"."Name" against an empty set');
		$list = DataObjectTest_TeamComment::get();
		$list->exclude('Name', array());
	}

	/**
	 * $list->exclude(array('Name'=>'bob, 'Age'=>array(21, 43))); // exclude bob with Age 21 or 43
	 */
	public function testMultipleExcludeWithMultipleThatCheersEitherTeam() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->exclude(array('Name'=>'Bob', 'TeamID'=>array(
			$this->idFromFixture('DataObjectTest_Team', 'team1'),
			$this->idFromFixture('DataObjectTest_Team', 'team2')
		)));
		$list = $list->sort('Name');
		$this->assertEquals(2, $list->count());
		$this->assertEquals('Joe', $list->first()->Name, 'First comment should be from Phil');
		$this->assertEquals('Phil', $list->last()->Name, 'First comment should be from Phil');
	}

	/**
	 * $list->exclude(array('Name'=>'bob, 'Age'=>array(21, 43))); // negative version
	 */
	public function testMultipleExcludeWithMultipleThatCheersOnNonExistingTeam() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->exclude(array('Name'=>'Bob', 'TeamID'=>array(3)));
		$this->assertEquals(3, $list->count());
	}

	/**
	 * $list->exclude(array('Name'=>array('bob','phil'), 'Age'=>array(21, 43))); //negative version
	 */
	public function testMultipleExcludeWithNoExclusion() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->exclude(array(
			'Name'=>array('Bob','Joe'),
			'Comment' => 'Phil is a unique guy, and comments on team2'));
		$this->assertEquals(3, $list->count());
	}

	/**
	 *  $list->exclude(array('Name'=>array('bob','phil'), 'Age'=>array(21, 43)));
	 */
	public function testMultipleExcludeWithTwoArray() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->exclude(array('Name' => array('Bob','Joe'), 'TeamID' => array(
			$this->idFromFixture('DataObjectTest_Team', 'team1'),
			$this->idFromFixture('DataObjectTest_Team', 'team2')
		)));
		$this->assertEquals(1, $list->count());
		$this->assertEquals('Phil', $list->last()->Name, 'Only comment should be from Phil');
	}

	/**
	 *  $list->exclude(array('Name'=>array('bob','phil'), 'Age'=>array(21, 43)));
	 */
	public function testMultipleExcludeWithTwoArrayOneTeam() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->exclude(array(
			'Name' => array('Bob', 'Phil'),
			'TeamID' => array($this->idFromFixture('DataObjectTest_Team', 'team1'))));
		$list = $list->sort('Name');
		$this->assertEquals(2, $list->count());
		$this->assertEquals('Joe', $list->first()->Name, 'First comment should be from Joe');
		$this->assertEquals('Phil', $list->last()->Name, 'Last comment should be from Phil');
	}

	/**
	 *
	 */
	public function testSortByRelation() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->sort(array('Team.Title' => 'DESC'));
		$this->assertEquals(3, $list->count());
		$this->assertEquals($this->idFromFixture('DataObjectTest_Team', 'team2'), $list->first()->TeamID,
			'First comment should be for Team 2');
		$this->assertEquals($this->idFromFixture('DataObjectTest_Team', 'team1'), $list->last()->TeamID,
			'Last comment should be for Team 1');
	}

	public function testReverse() {
		$list = DataObjectTest_TeamComment::get();
		$list = $list->sort('Name');
		$list = $list->reverse();

		$this->assertEquals('Bob', $list->last()->Name, 'Last comment should be from Bob');
		$this->assertEquals('Phil', $list->first()->Name, 'First comment should be from Phil');
	}

	public function testSortByComplexExpression() {
		// Test an expression with both spaces and commas. This test also tests that column() can be called
		// with a complex sort expression, so keep using column() below
		$list = DataObjectTest_Team::get()->sort(
			'CASE WHEN "DataObjectTest_Team"."ClassName" = \'DataObjectTest_SubTeam\' THEN 0 ELSE 1 END, "Title" DESC'
		);
		$this->assertEquals(array(
			'Subteam 3',
			'Subteam 2',
			'Subteam 1',
			'Team 3',
			'Team 2',
			'Team 1',
		), $list->column("Title"));
	}
}