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<?php
namespace MongoDB\Tests\Model;
use MongoDB\Exception\UnexpectedValueException;
use MongoDB\Model\BSONIterator;
use MongoDB\Tests\TestCase;
use function array_map;
use function implode;
use function iterator_to_array;
use function MongoDB\BSON\fromPHP;
use function substr;
class BSONIteratorTest extends TestCase
{
/**
* @dataProvider provideTypeMapOptionsAndExpectedDocuments
*/
public function testValidValues(array $typeMap = null, $binaryString, array $expectedDocuments)
{
$bsonIt = new BSONIterator($binaryString, ['typeMap' => $typeMap]);
$results = iterator_to_array($bsonIt);
$this->assertEquals($expectedDocuments, $results);
}
public function provideTypeMapOptionsAndExpectedDocuments()
{
return [
[
null,
implode(array_map(
'MongoDB\BSON\fromPHP',
[
['_id' => 1, 'x' => ['foo' => 'bar']],
['_id' => 3, 'x' => ['foo' => 'bar']],
]
)),
[
(object) ['_id' => 1, 'x' => (object) ['foo' => 'bar']],
(object) ['_id' => 3, 'x' => (object) ['foo' => 'bar']],
],
],
[
['root' => 'array', 'document' => 'array'],
implode(array_map(
'MongoDB\BSON\fromPHP',
[
['_id' => 1, 'x' => ['foo' => 'bar']],
['_id' => 3, 'x' => ['foo' => 'bar']],
]
)),
[
['_id' => 1, 'x' => ['foo' => 'bar']],
['_id' => 3, 'x' => ['foo' => 'bar']],
],
],
[
['root' => 'object', 'document' => 'array'],
implode(array_map(
'MongoDB\BSON\fromPHP',
[
['_id' => 1, 'x' => ['foo' => 'bar']],
['_id' => 3, 'x' => ['foo' => 'bar']],
]
)),
[
(object) ['_id' => 1, 'x' => ['foo' => 'bar']],
(object) ['_id' => 3, 'x' => ['foo' => 'bar']],
],
],
[
['root' => 'array', 'document' => 'stdClass'],
implode(array_map(
'MongoDB\BSON\fromPHP',
[
['_id' => 1, 'x' => ['foo' => 'bar']],
['_id' => 3, 'x' => ['foo' => 'bar']],
]
)),
[
['_id' => 1, 'x' => (object) ['foo' => 'bar']],
['_id' => 3, 'x' => (object) ['foo' => 'bar']],
],
],
];
}
public function testCannotReadLengthFromFirstDocument()
{
$binaryString = substr(fromPHP([]), 0, 3);
$bsonIt = new BSONIterator($binaryString);
$this->expectException(UnexpectedValueException::class);
$this->expectExceptionMessage('Expected at least 4 bytes; 3 remaining');
$bsonIt->rewind();
}
public function testCannotReadLengthFromSubsequentDocument()
{
$binaryString = fromPHP([]) . substr(fromPHP([]), 0, 3);
$bsonIt = new BSONIterator($binaryString);
$bsonIt->rewind();
$this->expectException(UnexpectedValueException::class);
$this->expectExceptionMessage('Expected at least 4 bytes; 3 remaining');
$bsonIt->next();
}
public function testCannotReadFirstDocument()
{
$binaryString = substr(fromPHP([]), 0, 4);
$bsonIt = new BSONIterator($binaryString);
$this->expectException(UnexpectedValueException::class);
$this->expectExceptionMessage('Expected 5 bytes; 4 remaining');
$bsonIt->rewind();
}
public function testCannotReadSecondDocument()
{
$binaryString = fromPHP([]) . substr(fromPHP([]), 0, 4);
$bsonIt = new BSONIterator($binaryString);
$bsonIt->rewind();
$this->expectException(UnexpectedValueException::class);
$this->expectExceptionMessage('Expected 5 bytes; 4 remaining');
$bsonIt->next();
}
}