public function testSupportsMultidimensionalParams()
 {
     $message = new RequestBodyMultipart(['foo' => 'bar', 'faz' => [1, 2, 3], 'targeting' => ['countries' => 'US,GB', 'age_min' => 13], 'call_to_action' => ['type' => 'LEARN_MORE', 'value' => ['link' => 'http://example.com', 'sponsorship' => ['image' => 'http://example.com/bar.jpg']]]], [], 'foo_boundary');
     $body = $message->getBody();
     $expectedBody = "--foo_boundary\r\n";
     $expectedBody .= "Content-Disposition: form-data; name=\"foo\"\r\n\r\nbar\r\n";
     $expectedBody .= "--foo_boundary\r\n";
     $expectedBody .= "Content-Disposition: form-data; name=\"faz[0]\"\r\n\r\n1\r\n";
     $expectedBody .= "--foo_boundary\r\n";
     $expectedBody .= "Content-Disposition: form-data; name=\"faz[1]\"\r\n\r\n2\r\n";
     $expectedBody .= "--foo_boundary\r\n";
     $expectedBody .= "Content-Disposition: form-data; name=\"faz[2]\"\r\n\r\n3\r\n";
     $expectedBody .= "--foo_boundary\r\n";
     $expectedBody .= "Content-Disposition: form-data; name=\"targeting[countries]\"\r\n\r\nUS,GB\r\n";
     $expectedBody .= "--foo_boundary\r\n";
     $expectedBody .= "Content-Disposition: form-data; name=\"targeting[age_min]\"\r\n\r\n13\r\n";
     $expectedBody .= "--foo_boundary\r\n";
     $expectedBody .= "Content-Disposition: form-data; name=\"call_to_action[type]\"\r\n\r\nLEARN_MORE\r\n";
     $expectedBody .= "--foo_boundary\r\n";
     $expectedBody .= "Content-Disposition: form-data; name=\"call_to_action[value][link]\"\r\n\r\nhttp://example.com\r\n";
     $expectedBody .= "--foo_boundary\r\n";
     $expectedBody .= "Content-Disposition: form-data; name=\"call_to_action[value][sponsorship][image]\"\r\n\r\nhttp://example.com/bar.jpg\r\n";
     $expectedBody .= "--foo_boundary--\r\n";
     $this->assertEquals($expectedBody, $body);
 }
 public function testCanProperlyEncodeFilesAndParams()
 {
     $file = new FacebookFile(__DIR__ . '/../foo.txt');
     $message = new RequestBodyMultipart(['foo' => 'bar'], ['foo_file' => $file], 'foo_boundary');
     $body = $message->getBody();
     $expectedBody = "--foo_boundary\r\n";
     $expectedBody .= "Content-Disposition: form-data; name=\"foo\"\r\n\r\nbar\r\n";
     $expectedBody .= "--foo_boundary\r\n";
     $expectedBody .= "Content-Disposition: form-data; name=\"foo_file\"; filename=\"foo.txt\"\r\n";
     $expectedBody .= "Content-Type: text/plain\r\n\r\nThis is a text file used for testing. Let's dance.\r\n";
     $expectedBody .= "--foo_boundary--\r\n";
     $this->assertEquals($expectedBody, $body);
 }