Merge pull request #6 from stevenmaguire/check-exception-response

Add support for RequestExceptions that do not have a Response object

Author: stevenmaguire

CHANGELOG.md

@@ -1,6 +1,23 @@
 #Changelog
 All Notable changes to `trello-php` will be documented in this file
 
+## 0.3.6 - 2015-10-26
+
+### Added
+- Add support for RequestExceptions that do not have a Response object.
+
+### Deprecated
+- Nothing
+
+### Fixed
+- Nothing
+
+### Removed
+- Nothing
+
+### Security
+- Nothing
+
 ## 0.3.5 - 2015-10-19
 
 ### Added

src/Http.php

@@ -142,6 +142,25 @@ protected function getHeaders()
         return [];
     }
 
+    /**
+     * Prepares an array of important exception parts based on composition of a
+     * given exception.
+     *
+     * @param  RequestException  $requestException
+     *
+     * @return array
+     */
+    private function getRequestExceptionParts(RequestException $requestException)
+    {
+        $response = $requestException->getResponse();
+        $parts = [];
+        $parts['reason'] = $response ? $response->getReasonPhrase() : $requestException->getMessage();
+        $parts['code'] = $response ? $response->getStatusCode() : $requestException->getCode();
+        $parts['body'] = $response ? $response->getBody() : null;
+
+        return $parts;
+    }
+
     /**
      * Creates fully qualified domain from given path.
      *
@@ -248,13 +267,15 @@ public function setClient(HttpClientInterface $httpClient)
      */
     protected function throwRequestException(RequestException $requestException)
     {
+        $exceptionParts = $this->getRequestExceptionParts($requestException);
+
         $exception = new Exceptions\Exception(
-            $requestException->getResponse()->getReasonPhrase(),
-            $requestException->getResponse()->getStatusCode(),
+            $exceptionParts['reason'],
+            $exceptionParts['code'],
             $requestException
         );
 
-        $body = (string) $requestException->getResponse()->getBody();
+        $body = $exceptionParts['body'];
         $json = json_decode($body);
 
         if (json_last_error() == JSON_ERROR_NONE) {

tests/ClientTest.php

@@ -8,6 +8,7 @@
 use Psr\Http\Message\StreamInterface;
 use Stevenmaguire\Services\Trello\Authorization;
 use Stevenmaguire\Services\Trello\Client;
+use Stevenmaguire\Services\Trello\Exceptions\Exception as ServiceException;
 
 class ClientTest extends \PHPUnit_Framework_TestCase
 {
@@ -98,26 +99,32 @@ protected function prepareFor($method, $path, $query = "", $payload = [], $statu
             return is_array($options);
         });
 
-        if (is_string($payload)) {
-            $responseBody = $payload;
+        if (is_null($payload)) {
+            $response = null;
         } else {
-            $responseBody = json_encode($payload);
-        }
+            if (is_string($payload)) {
+                $responseBody = $payload;
+            } else {
+                $responseBody = json_encode($payload);
+            }
 
-        $stream = m::mock(StreamInterface::class);
-        $stream->shouldReceive('__toString')->andReturn($responseBody);
+            $stream = m::mock(StreamInterface::class);
+            $stream->shouldReceive('__toString')->andReturn($responseBody);
 
-        $response = m::mock(ResponseInterface::class);
-        $response->shouldReceive('getStatusCode')->andReturn($status);
-        $response->shouldReceive('getBody')->andReturn($stream);
-        $response->shouldReceive('getHeader')->with('content-type')->andReturn('application/json');
+            $response = m::mock(ResponseInterface::class);
+            $response->shouldReceive('getStatusCode')->andReturn($status);
+            $response->shouldReceive('getBody')->andReturn($stream);
+            $response->shouldReceive('getHeader')->with('content-type')->andReturn('application/json');
+        }
 
         $client = m::mock(HttpClient::class);
         if ($status == 200) {
             $client->shouldReceive('send')->with($request, $requestOptions)->andReturn($response);
         } else {
             $badRequest = m::mock(RequestInterface::class);
-            $response->shouldReceive('getReasonPhrase')->andReturn("");
+            if ($response) {
+                $response->shouldReceive('getReasonPhrase')->andReturn("");
+            }
             $exception = new BadResponseException('test exception', $badRequest, $response);
             $client->shouldReceive('send')->with($request, $requestOptions)->andThrow($exception);
         }
@@ -170,6 +177,20 @@ public function testBadRequestThrowsExeptionWithoutValidJson()
         $result = $this->client->getHttp()->get($path);
     }
 
+    public function testBadRequestThrowsExeptionWithoutResponse()
+    {
+        $path = uniqid();
+        $this->prepareFor("GET", $path, "", null, 400);
+
+        try {
+            $result = $this->client->getHttp()->get($path);
+        } catch (ServiceException $e) {
+            $this->assertTrue(is_string($e->getMessage()));
+            $this->assertTrue(is_numeric($e->getCode()));
+            $this->assertNull($e->getResponseBody());
+        }
+    }
+
     /**
      * @expectedException BadMethodCallException
      */