Bug fix + tests adjustments.

Author: kiznis

lib/Request.php

@@ -206,7 +206,11 @@ public static function formatRequestParameters($parameters_string) {
 
         $params = array();
         foreach($parsed as $key => $param) {
-            $params[] = $key."=".rawurlencode($param);
+            if($param) {
+                $params[] = $key . "=" . rawurlencode($param);
+            } else {
+                $params[] = $key;
+            }
         }
 
         return implode("&", $params);

tests/OpenIDConnectTest.php

@@ -11,6 +11,7 @@ public function testAuthorize(): void
         RESO\RESO::setClientId($client_id);
         RESO\RESO::setClientSecret($client_secret);
         RESO\RESO::setAPIAuthUrl($api_auth_url);
+        RESO\RESO::setAPITokenUrl($api_token_url);
         RESO\RESO::setAPIRequestUrl($api_request_url);
         $auth_code = RESO\OpenIDConnect::authorize($auth_username, $auth_password, $redirect_uri, $scope);
         $this->assertNotNull($auth_code);
@@ -22,6 +23,7 @@ public function testRequestAccessToken(): void
         RESO\RESO::setClientId($client_id);
         RESO\RESO::setClientSecret($client_secret);
         RESO\RESO::setAPIAuthUrl($api_auth_url);
+        RESO\RESO::setAPITokenUrl($api_token_url);
         RESO\RESO::setAPIRequestUrl($api_request_url);
         $auth_code = RESO\OpenIDConnect::authorize($auth_username, $auth_password, $redirect_uri, $scope);
         $access_token = RESO\OpenIDConnect::requestAccessToken($auth_code, $redirect_uri, $scope);

tests/RequestTest.php

@@ -11,6 +11,7 @@ public function testRequestMetadata(): void
         RESO\RESO::setClientId($client_id);
         RESO\RESO::setClientSecret($client_secret);
         RESO\RESO::setAPIAuthUrl($api_auth_url);
+        RESO\RESO::setAPITokenUrl($api_token_url);
         RESO\RESO::setAPIRequestUrl($api_request_url);
         $auth_code = RESO\OpenIDConnect::authorize($auth_username, $auth_password, $redirect_uri, $scope);
         RESO\RESO::setAccessToken(RESO\OpenIDConnect::requestAccessToken($auth_code, $redirect_uri, $scope));
@@ -27,6 +28,7 @@ public function testRequest(): void
         RESO\RESO::setClientId($client_id);
         RESO\RESO::setClientSecret($client_secret);
         RESO\RESO::setAPIAuthUrl($api_auth_url);
+        RESO\RESO::setAPITokenUrl($api_token_url);
         RESO\RESO::setAPIRequestUrl($api_request_url);
         $auth_code = RESO\OpenIDConnect::authorize($auth_username, $auth_password, $redirect_uri, $scope);
         RESO\RESO::setAccessToken(RESO\OpenIDConnect::requestAccessToken($auth_code, $redirect_uri, $scope));

tests/config.php

@@ -3,6 +3,9 @@
 // API authentication URL
 $api_auth_url = "";
 
+// API token URL
+$api_token_url = "";
+
 // API data request (web) URL
 $api_request_url = "";