Improve formatting of requests with binary streams

CHANGELOG.md

@@ -1,6 +1,13 @@
 # Change Log
 
 
+## Unreleased
+
+### Fixed
+
+- Fix CurlCommandFormatter for binary request payloads
+
+
 ## 1.6.0 - 2017-07-05
 
 ### Added

spec/Formatter/CurlCommandFormatterSpec.php

@@ -72,4 +72,40 @@ function it_formats_the_request_with_user_agent(RequestInterface $request, UriIn
 
         $this->formatRequest($request)->shouldReturn("curl 'http://foo.com/bar' -A 'foobar-browser'");
     }
+
+    function it_formats_requests_with_null_bytes(RequestInterface $request, UriInterface $uri, StreamInterface $body)
+    {
+        $request->getUri()->willReturn($uri);
+        $request->getBody()->willReturn($body);
+
+        $body->__toString()->willReturn("\0");
+        $body->getSize()->willReturn(1);
+        $body->isSeekable()->willReturn(true);
+        $body->rewind()->willReturn(true);
+
+        $uri->withFragment('')->willReturn('http://foo.com/bar');
+        $request->getMethod()->willReturn('POST');
+        $request->getProtocolVersion()->willReturn('1.1');
+        $request->getHeaders()->willReturn([]);
+
+        $this->formatRequest($request)->shouldReturn("curl 'http://foo.com/bar' --request POST --data '[binary stream omitted]'");
+    }
+
+    function it_formats_requests_with_nonseekable_body(RequestInterface $request, UriInterface $uri, StreamInterface $body)
+    {
+        $request->getUri()->willReturn($uri);
+        $request->getBody()->willReturn($body);
+
+        $body->getSize()->willReturn(1);
+        $body->isSeekable()->willReturn(false);
+        $body->__toString()->shouldNotBeCalled();
+        $body->rewind()->shouldNotBeCalled();
+
+        $uri->withFragment('')->willReturn('http://foo.com/bar');
+        $request->getMethod()->willReturn('POST');
+        $request->getProtocolVersion()->willReturn('1.1');
+        $request->getHeaders()->willReturn([]);
+
+        $this->formatRequest($request)->shouldReturn("curl 'http://foo.com/bar' --request POST --data '[non-seekable stream omitted]'");
+    }
 }

src/Formatter/CurlCommandFormatter.php

@@ -36,11 +36,16 @@ public function formatRequest(RequestInterface $request)
 
         $body = $request->getBody();
         if ($body->getSize() > 0) {
-            if (!$body->isSeekable()) {
-                return 'Cant format Request as cUrl command if body stream is not seekable.';
+            if ($body->isSeekable()) {
+                $data = $body->__toString();
+                $body->rewind();
+                if (preg_match('/[\x00-\x1F\x7F]/', $data)) {
+                    $data = '[binary stream omitted]';
+                }
+            } else {
+                $data = '[non-seekable stream omitted]';
             }
-            $command .= sprintf(' --data %s', escapeshellarg($body->__toString()));
-            $body->rewind();
+            $command .= sprintf(' --data %s', escapeshellarg($data));
         }
 
         return $command;