bug #28147 [DomCrawler] exclude fields inside "template" tags (Gorjunov)

This PR was merged into the 2.8 branch.

Discussion
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[DomCrawler] exclude fields inside "template" tags

| Q             | A
| ------------- | ---
| Branch?       | 2.8
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #27285
| License       | MIT
| Doc PR        |

Exclude fields values/files if fields are inside template tag. I think better to exclude values only instead of excluding fields at all (described in ticket #27285)

Commits
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19e3e15 [DomCrawler] exclude fields inside "template" tags

src/Symfony/Component/DomCrawler/Form.php

@@ -433,14 +433,14 @@ private function initialize()
             // corresponding elements are either descendants or have a matching HTML5 form attribute
             $formId = Crawler::xpathLiteral($this->node->getAttribute('id'));
 
-            $fieldNodes = $xpath->query(sprintf('descendant::input[@form=%s] | descendant::button[@form=%1$s] | descendant::textarea[@form=%1$s] | descendant::select[@form=%1$s] | //form[@id=%1$s]//input[not(@form)] | //form[@id=%1$s]//button[not(@form)] | //form[@id=%1$s]//textarea[not(@form)] | //form[@id=%1$s]//select[not(@form)]', $formId));
+            $fieldNodes = $xpath->query(sprintf('( descendant::input[@form=%s] | descendant::button[@form=%1$s] | descendant::textarea[@form=%1$s] | descendant::select[@form=%1$s] | //form[@id=%1$s]//input[not(@form)] | //form[@id=%1$s]//button[not(@form)] | //form[@id=%1$s]//textarea[not(@form)] | //form[@id=%1$s]//select[not(@form)] )[not(ancestor::template)]', $formId));
             foreach ($fieldNodes as $node) {
                 $this->addField($node);
             }
         } else {
             // do the xpath query with $this->node as the context node, to only find descendant elements
             // however, descendant elements with form attribute are not part of this form
-            $fieldNodes = $xpath->query('descendant::input[not(@form)] | descendant::button[not(@form)] | descendant::textarea[not(@form)] | descendant::select[not(@form)]', $this->node);
+            $fieldNodes = $xpath->query('( descendant::input[not(@form)] | descendant::button[not(@form)] | descendant::textarea[not(@form)] | descendant::select[not(@form)] )[not(ancestor::template)]', $this->node);
             foreach ($fieldNodes as $node) {
                 $this->addField($node);
             }

src/Symfony/Component/DomCrawler/Tests/FormTest.php

@@ -394,6 +394,10 @@ public function testGetValues()
 
         $form = $this->createForm('<form><input type="text" name="foo" value="foo" disabled="disabled" /><input type="text" name="bar" value="bar" /><input type="submit" /></form>');
         $this->assertEquals(array('bar' => 'bar'), $form->getValues(), '->getValues() does not include disabled fields');
+
+        $form = $this->createForm('<form><template><input type="text" name="foo" value="foo" /></template><input type="text" name="bar" value="bar" /><input type="submit" /></form>');
+        $this->assertEquals(array('bar' => 'bar'), $form->getValues(), '->getValues() does not include template fields');
+        $this->assertFalse($form->has('foo'));
     }
 
     public function testSetValues()
@@ -444,6 +448,10 @@ public function testGetFiles()
 
         $form = $this->createForm('<form method="post"><input type="file" name="foo[bar]" disabled="disabled" /><input type="submit" /></form>');
         $this->assertEquals(array(), $form->getFiles(), '->getFiles() does not include disabled file fields');
+
+        $form = $this->createForm('<form method="post"><template><input type="file" name="foo"/></template><input type="text" name="bar" value="bar"/><input type="submit"/></form>');
+        $this->assertEquals(array(), $form->getFiles(), '->getFiles() does not include template file fields');
+        $this->assertFalse($form->has('foo'));
     }
 
     public function testGetPhpFiles()
@@ -857,7 +865,7 @@ protected function getFormFieldMock($name, $value = null)
     protected function createForm($form, $method = null, $currentUri = null)
     {
         $dom = new \DOMDocument();
-        $dom->loadHTML('<html>'.$form.'</html>');
+        @$dom->loadHTML('<html>'.$form.'</html>');
 
         $xPath = new \DOMXPath($dom);
         $nodes = $xPath->query('//input | //button');