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<?php
namespace GuzzleHttp\Tests\Psr7;
use Psr\Http\Message\StreamInterface;
use GuzzleHttp\Psr7;
use GuzzleHttp\Psr7\StreamDecoratorTrait;
class Str implements StreamInterface
{
use StreamDecoratorTrait;
}
/**
* @covers GuzzleHttp\Psr7\StreamDecoratorTrait
*/
class StreamDecoratorTraitTest extends \PHPUnit_Framework_TestCase
{
private $a;
private $b;
private $c;
public function setUp()
{
$this->c = fopen('php://temp', 'r+');
fwrite($this->c, 'foo');
fseek($this->c, 0);
$this->a = Psr7\stream_for($this->c);
$this->b = new Str($this->a);
}
public function testCatchesExceptionsWhenCastingToString()
{
$s = $this->getMockBuilder('Psr\Http\Message\StreamInterface')
->setMethods(['read'])
->getMockForAbstractClass();
$s->expects($this->once())
->method('read')
->will($this->throwException(new \Exception('foo')));
$msg = '';
set_error_handler(function ($errNo, $str) use (&$msg) { $msg = $str; });
echo new Str($s);
restore_error_handler();
$this->assertContains('foo', $msg);
}
public function testToString()
{
$this->assertEquals('foo', (string) $this->b);
}
public function testHasSize()
{
$this->assertEquals(3, $this->b->getSize());
}
public function testReads()
{
$this->assertEquals('foo', $this->b->read(10));
}
public function testCheckMethods()
{
$this->assertEquals($this->a->isReadable(), $this->b->isReadable());
$this->assertEquals($this->a->isWritable(), $this->b->isWritable());
$this->assertEquals($this->a->isSeekable(), $this->b->isSeekable());
}
public function testSeeksAndTells()
{
$this->b->seek(1);
$this->assertEquals(1, $this->a->tell());
$this->assertEquals(1, $this->b->tell());
$this->b->seek(0);
$this->assertEquals(0, $this->a->tell());
$this->assertEquals(0, $this->b->tell());
$this->b->seek(0, SEEK_END);
$this->assertEquals(3, $this->a->tell());
$this->assertEquals(3, $this->b->tell());
}
public function testGetsContents()
{
$this->assertEquals('foo', $this->b->getContents());
$this->assertEquals('', $this->b->getContents());
$this->b->seek(1);
$this->assertEquals('oo', $this->b->getContents(1));
}
public function testCloses()
{
$this->b->close();
$this->assertFalse(is_resource($this->c));
}
public function testDetaches()
{
$this->b->detach();
$this->assertFalse($this->b->isReadable());
}
public function testWrapsMetadata()
{
$this->assertSame($this->b->getMetadata(), $this->a->getMetadata());
$this->assertSame($this->b->getMetadata('uri'), $this->a->getMetadata('uri'));
}
public function testWrapsWrites()
{
$this->b->seek(0, SEEK_END);
$this->b->write('foo');
$this->assertEquals('foofoo', (string) $this->a);
}
/**
* @expectedException \UnexpectedValueException
*/
public function testThrowsWithInvalidGetter()
{
$this->b->foo;
}
/**
* @expectedException \BadMethodCallException
*/
public function testThrowsWhenGetterNotImplemented()
{
$s = new BadStream();
$s->stream;
}
}
class BadStream
{
use StreamDecoratorTrait;
public function __construct() {}
}