tests: assertHTML5: w3c validator url can be configured with...

tests: assertHTML5: w3c validator url can be configured with BOKEH_HTML_VALIDATOR_URL environment variable

tests/application/modules/AbstractControllerTestCase.php

@@ -235,19 +235,26 @@ abstract class AbstractControllerTestCase extends Zend_Test_PHPUnit_ControllerTe
     if ($content == null)
       $content = $this->_response->getBody();
 
-    $httpClient = (new Zend_Http_Client('http://sandbox.pergame.net/html-validator/'))
+    if (!$nu_validator_url = getenv('BOKEH_HTML_VALIDATOR_URL'))
+      $nu_validator_url ='https://validator.w3.org/nu/';
+
+    $httpClient = (new Zend_Http_Client($nu_validator_url))
       ->setMethod(Zend_Http_Client::POST)
+      ->setHeaders('Content-Type', 'text/html; charset=utf-8')
       ->setEncType(Zend_Http_Client::ENC_FORMDATA)
-      ->setParameterPost('content', $content);
+      ->setParameterGet('out', 'text')
+      ->setRawData($content);
     $response = $httpClient->request()->getBody();
 
     $content_lines = explode("\n", $content);
-    $content_with_lines = "HTML:\n";
+    $content_with_lines = "HTML from: " . $nu_validator_url ."\n";
     foreach($content_lines as $i => $line) {
       $content_with_lines .= sprintf("%4s %s\n", $i + 1, $line);
     }
 
-    $this->assertContains('No errors found', $response, $content_with_lines);
+    $this->assertNotContains('Error: ',
+                             $response,
+                             $content_with_lines);
   }