Add support for multiple continue headers

Author: Steve Miketa

src/VCR/Util/HttpUtil.php

@@ -61,12 +61,9 @@ public static function parseStatus($status)
  */
  public static function parseResponse($response)
  {
- if (strpos($response, 'HTTP/1.1 100 Continue') === 0) {
- list($continueHeader, $rawHeader, $rawBody) = explode("\r\n\r\n", $response, 3);
- }
- else {
- list($rawHeader, $rawBody) = explode("\r\n\r\n", $response, 2);
- }
+ $response = str_replace("HTTP/1.1 100 Continue\r\n\r\n", '', $response);
+ 
+ list($rawHeader, $rawBody) = explode("\r\n\r\n", $response, 2);
 
  // Parse headers and status.
  $headers = self::parseRawHeader($rawHeader);

tests/VCR/Util/HttpUtilTest.php

@@ -55,6 +55,24 @@ public function testParseContinuePlusResponse()
  $this->assertEquals(null, $body);
  $this->assertEquals($expectedHeaders, $headers);
  }
+ 
+ public function testParseiMultipleContinuePlusResponse()
+ {
+ $raw = "HTTP/1.1 100 Continue\r\n\r\nHTTP/1.1 100 Continue\r\n\r\nHTTP/1.1 100 Continue\r\n\r\nHTTP/1.1 100 Continue\r\n\r\nHTTP/1.1 201 Created\r\nContent-Type: text/html\r\nDate: Fri, 19 Jun 2015 16:05:18 GMT\r\nVary: Accept-Encoding\r\nContent-Length: 0\r\n\r\n";
+ list($status, $headers, $body) = HttpUtil::parseResponse($raw);
+
+ $expectedHeaders = array(
+ 'Content-Type: text/html',
+ 'Date: Fri, 19 Jun 2015 16:05:18 GMT',
+ 'Vary: Accept-Encoding',
+ 'Content-Length: 0'
+ );
+ 
+ $this->assertEquals('HTTP/1.1 201 Created', $status);
+ $this->assertEquals(null, $body);
+ $this->assertEquals($expectedHeaders, $headers);
+ }
+
 
  public function testParseContinuePlusResponseMultipleHeaders()
  {