public function testApplyingWithFilesAddsMultipartUpload()
{
$b = new PostBody();
$p = new PostFile('foo', fopen(__FILE__, 'r'));
$b->addFile($p);
$this->assertEquals([$p], $b->getFiles());
$this->assertNull($b->getFile('missing'));
$this->assertSame($p, $b->getFile('foo'));
$m = new Request('POST', '/');
$b->applyRequestHeaders($m);
$this->assertContains('multipart/form-data', $m->getHeader('Content-Type'));
$this->assertTrue($m->hasHeader('Content-Length'));
}
