Do not prepend 'http' to URLs without schemes. #46.

Will no longer add 'http' to URLs parsed in the form of
www.graphstory.com or //www.graphstory.com

Author: jeremykendall

src/Pdp/Parser.php

@@ -63,7 +63,7 @@ public function parseUrl($url)
         );
 
         if (preg_match(self::SCHEME_PATTERN, $url) === 0) {
-            $url = 'http://' . preg_replace('#^//#', '', $url, 1);
+            $url = '//' . preg_replace('#^//#', '', $url, 1);
         }
 
         $parts = pdp_parse_url($url);

tests/src/Pdp/ParserTest.php

@@ -153,6 +153,30 @@ public function testpdp_parse_urlCanReturnCorrectHost($url, $publicSuffix, $regi
         );
     }
 
+    /**
+     * @group issue46
+     *
+     * Don't add a scheme to schemeless URLs
+     *
+     * @see https://github.com/jeremykendall/php-domain-parser/issues/46
+     */
+    public function testDoNotPrependSchemeToSchemelessUrls()
+    {
+        $schemeless = 'www.graphstory.com';
+        $expected = 'www.graphstory.com';
+        $url = $this->parser->parseUrl($schemeless);
+        $actual = $url->__toString();
+
+        $this->assertEquals($expected, $actual);
+
+        $schemeless = '//www.graphstory.com';
+        $expected = 'www.graphstory.com';
+        $url = $this->parser->parseUrl($schemeless);
+        $actual = $url->__toString();
+
+        $this->assertEquals($expected, $actual);
+    }
+
     public function parseDataProvider()
     {
         return array(

tests/src/Pdp/Uri/UrlTest.php

@@ -128,13 +128,20 @@ public function testFtpUrlToString()
     }
 
     /**
+     * This test fixes #29. It has been updated due to a change suggested in #46.
+     * The original $expected value was 'http://яндекс.рф', as parsing would add
+     * 'http://' to URLs that did not have a scheme. That behavior has been removed.
+     * The new $expected result is 'яндекс.рф'.
+     *
      * @group issue29
+     * @group issue46
      * @see https://github.com/jeremykendall/php-domain-parser/issues/29
+     * @see https://github.com/jeremykendall/php-domain-parser/issues/46
      */
     public function testIdnToAscii()
     {
         $idn = 'Яндекс.РФ';
-        $expected = 'http://яндекс.рф';
+        $expected = 'яндекс.рф';
         $url = $this->parser->parseUrl($idn);
         $actual = $url->__toString();