Merge pull request #6 from waknauss-kingdom/feature/isdisallowed

added isDisallowed Method and Tests

Author: Tom

src/Robot/RobotsTxt.php

@@ -53,4 +53,15 @@ public function isAllowed($userAgent, $path)
         $urlParts = array_filter(explode('/', $path));
         return $this->tree->allowed(strtolower($userAgent), $urlParts) !== false;
     }
-}
+
+    /**
+     * Is the given user agent disallowed access to the given resource?
+     * @param  string  $userAgent The user agent to check
+     * @param  string  $path The path of the url
+     * @return bool|null
+     */
+    public function isDisallowed($userAgent, $path) 
+    {
+        return !$this->isAllowed($userAgent,$path);
+    }
+}

tests/RobotTest.php

@@ -26,6 +26,7 @@ private static function getRobotsTxt($file)
     public function testBasicDisallow()
     {
         $this->assertFalse(self::getRobotsTxt('google')->isAllowed('robot', '/print'), 'robot cannot access /print');
+        $this->assertTrue(self::getRobotsTxt('google')->isDisallowed('robot','/search'),'robot should not access /search');
     }
 
     /**
@@ -34,6 +35,7 @@ public function testBasicDisallow()
     public function testBasicAllow()
     {
         $this->assertTrue(self::getRobotsTxt('google')->isAllowed('robot', '/m/finance'), 'robot can access /m/finance');
+        $this->assertFalse(self::getRobotsTxt('google')->isDisallowed('robot','/m/finance'),'robot should be able to access /m/finance');
     }
 
     /**
@@ -110,4 +112,4 @@ public function testFileWithInvalidLines()
     {
         $this->assertTrue(self::getRobotsTxt('corrupted')->isAllowed('Googlebot', '/some/other'));
     }
-} 
+}