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ResultSetIntegrationTest.php
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ResultSetIntegrationTest.php
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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace ZendTest\Db\ResultSet;
use ArrayObject;
use ArrayIterator;
use PHPUnit_Framework_TestCase as TestCase;
use SplStack;
use stdClass;
use Zend\Db\ResultSet\ResultSet;
class ResultSetIntegrationTest extends TestCase
{
/**
* @var ResultSet
*/
protected $resultSet;
/**
* Sets up the fixture, for example, opens a network connection.
* This method is called before a test is executed.
*/
protected function setUp()
{
$this->resultSet = new ResultSet;
}
public function testRowObjectPrototypeIsPopulatedByRowObjectByDefault()
{
$row = $this->resultSet->getArrayObjectPrototype();
$this->assertInstanceOf('ArrayObject', $row);
}
public function testRowObjectPrototypeIsMutable()
{
$row = new \ArrayObject();
$this->resultSet->setArrayObjectPrototype($row);
$this->assertSame($row, $this->resultSet->getArrayObjectPrototype());
}
public function testRowObjectPrototypeMayBePassedToConstructor()
{
$row = new \ArrayObject();
$resultSet = new ResultSet(ResultSet::TYPE_ARRAYOBJECT, $row);
$this->assertSame($row, $resultSet->getArrayObjectPrototype());
}
public function testReturnTypeIsObjectByDefault()
{
$this->assertEquals(ResultSet::TYPE_ARRAYOBJECT, $this->resultSet->getReturnType());
}
public function invalidReturnTypes()
{
return array(
array(1),
array(1.0),
array(true),
array('string'),
array(array('foo')),
array(new stdClass),
);
}
/**
* @dataProvider invalidReturnTypes
*/
public function testSettingInvalidReturnTypeRaisesException($type)
{
$this->setExpectedException('Zend\Db\ResultSet\Exception\InvalidArgumentException');
new ResultSet(ResultSet::TYPE_ARRAYOBJECT, $type);
}
public function testDataSourceIsNullByDefault()
{
$this->assertNull($this->resultSet->getDataSource());
}
public function testCanProvideIteratorAsDataSource()
{
$it = new SplStack;
$this->resultSet->initialize($it);
$this->assertSame($it, $this->resultSet->getDataSource());
}
public function testCanProvideIteratorAggregateAsDataSource()
{
$iteratorAggregate = $this->getMock('IteratorAggregate', array('getIterator'), array(new SplStack));
$iteratorAggregate->expects($this->any())->method('getIterator')->will($this->returnValue($iteratorAggregate));
$this->resultSet->initialize($iteratorAggregate);
$this->assertSame($iteratorAggregate->getIterator(), $this->resultSet->getDataSource());
}
/**
* @dataProvider invalidReturnTypes
*/
public function testInvalidDataSourceRaisesException($dataSource)
{
if (is_array($dataSource)) {
// this is valid
return;
}
$this->setExpectedException('Zend\Db\ResultSet\Exception\InvalidArgumentException');
$this->resultSet->initialize($dataSource);
}
public function testFieldCountIsZeroWithNoDataSourcePresent()
{
$this->assertEquals(0, $this->resultSet->getFieldCount());
}
public function getArrayDataSource($count)
{
$array = array();
for ($i = 0; $i < $count; $i++) {
$array[] = array(
'id' => $i,
'title' => 'title ' . $i,
);
}
return new ArrayIterator($array);
}
public function testFieldCountRepresentsNumberOfFieldsInARowOfData()
{
$resultSet = new ResultSet(ResultSet::TYPE_ARRAY);
$dataSource = $this->getArrayDataSource(10);
$resultSet->initialize($dataSource);
$this->assertEquals(2, $resultSet->getFieldCount());
}
public function testWhenReturnTypeIsArrayThenIterationReturnsArrays()
{
$resultSet = new ResultSet(ResultSet::TYPE_ARRAY);
$dataSource = $this->getArrayDataSource(10);
$resultSet->initialize($dataSource);
foreach ($resultSet as $index => $row) {
$this->assertEquals($dataSource[$index], $row);
}
}
public function testWhenReturnTypeIsObjectThenIterationReturnsRowObjects()
{
$dataSource = $this->getArrayDataSource(10);
$this->resultSet->initialize($dataSource);
foreach ($this->resultSet as $index => $row) {
$this->assertInstanceOf('ArrayObject', $row);
$this->assertEquals($dataSource[$index], $row->getArrayCopy());
}
}
public function testCountReturnsCountOfRows()
{
$count = rand(3, 75);
$dataSource = $this->getArrayDataSource($count);
$this->resultSet->initialize($dataSource);
$this->assertEquals($count, $this->resultSet->count());
}
public function testToArrayRaisesExceptionForRowsThatAreNotArraysOrArrayCastable()
{
$count = rand(3, 75);
$dataSource = $this->getArrayDataSource($count);
foreach ($dataSource as $index => $row) {
$dataSource[$index] = (object) $row;
}
$this->resultSet->initialize($dataSource);
$this->setExpectedException('Zend\Db\ResultSet\Exception\RuntimeException');
$this->resultSet->toArray();
}
public function testToArrayCreatesArrayOfArraysRepresentingRows()
{
$count = rand(3, 75);
$dataSource = $this->getArrayDataSource($count);
$this->resultSet->initialize($dataSource);
$test = $this->resultSet->toArray();
$this->assertEquals($dataSource->getArrayCopy(), $test, var_export($test, 1));
}
public function testBufferingCallsDatasourceCurrentOnce()
{
$mockResult = $this->getMock('Zend\Db\Adapter\Driver\ResultInterface');
$mockResult->expects($this->once())->method('current')->will($this->returnValue(array('foo' => 'bar')));
$this->resultSet->initialize($mockResult);
$this->resultSet->buffer();
$this->resultSet->current();
// assertion above will fail if this calls datasource current
$this->resultSet->current();
}
public function testCallingBufferAfterIterationThrowsException()
{
$this->resultSet->initialize($this->getMock('Zend\Db\Adapter\Driver\ResultInterface'));
$this->resultSet->current();
$this->setExpectedException('Zend\Db\ResultSet\Exception\RuntimeException', 'Buffering must be enabled before iteration is started');
$this->resultSet->buffer();
}
}