Remove unused local variables in tests

Author: fancyweb

Tests/Field/ChoiceFormFieldTest.php

@@ -19,15 +19,15 @@ public function testInitialize()
     {
         $node = $this->createNode('textarea', '');
         try {
-            $field = new ChoiceFormField($node);
+            new ChoiceFormField($node);
             $this->fail('->initialize() throws a \LogicException if the node is not an input or a select');
         } catch (\LogicException $e) {
             $this->assertTrue(true, '->initialize() throws a \LogicException if the node is not an input or a select');
         }
 
         $node = $this->createNode('input', '', ['type' => 'text']);
         try {
-            $field = new ChoiceFormField($node);
+            new ChoiceFormField($node);
             $this->fail('->initialize() throws a \LogicException if the node is an input with a type different from checkbox or radio');
         } catch (\LogicException $e) {
             $this->assertTrue(true, '->initialize() throws a \LogicException if the node is an input with a type different from checkbox or radio');

Tests/Field/FileFormFieldTest.php

@@ -24,15 +24,15 @@ public function testInitialize()
 
         $node = $this->createNode('textarea', '');
         try {
-            $field = new FileFormField($node);
+            new FileFormField($node);
             $this->fail('->initialize() throws a \LogicException if the node is not an input field');
         } catch (\LogicException $e) {
             $this->assertTrue(true, '->initialize() throws a \LogicException if the node is not an input field');
         }
 
         $node = $this->createNode('input', '', ['type' => 'text']);
         try {
-            $field = new FileFormField($node);
+            new FileFormField($node);
             $this->fail('->initialize() throws a \LogicException if the node is not a file input field');
         } catch (\LogicException $e) {
             $this->assertTrue(true, '->initialize() throws a \LogicException if the node is not a file input field');

Tests/Field/InputFormFieldTest.php

@@ -24,23 +24,23 @@ public function testInitialize()
 
         $node = $this->createNode('textarea', '');
         try {
-            $field = new InputFormField($node);
+            new InputFormField($node);
             $this->fail('->initialize() throws a \LogicException if the node is not an input');
         } catch (\LogicException $e) {
             $this->assertTrue(true, '->initialize() throws a \LogicException if the node is not an input');
         }
 
         $node = $this->createNode('input', '', ['type' => 'checkbox']);
         try {
-            $field = new InputFormField($node);
+            new InputFormField($node);
             $this->fail('->initialize() throws a \LogicException if the node is a checkbox');
         } catch (\LogicException $e) {
             $this->assertTrue(true, '->initialize() throws a \LogicException if the node is a checkbox');
         }
 
         $node = $this->createNode('input', '', ['type' => 'file']);
         try {
-            $field = new InputFormField($node);
+            new InputFormField($node);
             $this->fail('->initialize() throws a \LogicException if the node is a file');
         } catch (\LogicException $e) {
             $this->assertTrue(true, '->initialize() throws a \LogicException if the node is a file');

Tests/Field/TextareaFormFieldTest.php

@@ -24,7 +24,7 @@ public function testInitialize()
 
         $node = $this->createNode('input', '');
         try {
-            $field = new TextareaFormField($node);
+            new TextareaFormField($node);
             $this->fail('->initialize() throws a \LogicException if the node is not a textarea');
         } catch (\LogicException $e) {
             $this->assertTrue(true, '->initialize() throws a \LogicException if the node is not a textarea');

Tests/FormTest.php

@@ -39,14 +39,14 @@ public function testConstructorThrowsExceptionIfTheNodeHasNoFormAncestor()
         $nodes = $dom->getElementsByTagName('input');
 
         try {
-            $form = new Form($nodes->item(0), 'http://example.com');
+            new Form($nodes->item(0), 'http://example.com');
             $this->fail('__construct() throws a \\LogicException if the node has no form ancestor');
         } catch (\LogicException $e) {
             $this->assertTrue(true, '__construct() throws a \\LogicException if the node has no form ancestor');
         }
 
         try {
-            $form = new Form($nodes->item(1), 'http://example.com');
+            new Form($nodes->item(1), 'http://example.com');
             $this->fail('__construct() throws a \\LogicException if the input type is not submit, button, or image');
         } catch (\LogicException $e) {
             $this->assertTrue(true, '__construct() throws a \\LogicException if the input type is not submit, button, or image');
@@ -55,19 +55,27 @@ public function testConstructorThrowsExceptionIfTheNodeHasNoFormAncestor()
         $nodes = $dom->getElementsByTagName('button');
 
         try {
-            $form = new Form($nodes->item(0), 'http://example.com');
+            new Form($nodes->item(0), 'http://example.com');
             $this->fail('__construct() throws a \\LogicException if the node has no form ancestor');
         } catch (\LogicException $e) {
             $this->assertTrue(true, '__construct() throws a \\LogicException if the node has no form ancestor');
         }
     }
 
     /**
-     * __construct() should throw \\LogicException if the form attribute is invalid.
+     * @dataProvider constructorThrowsExceptionIfNoRelatedFormProvider
+     *
+     * __construct() should throw a \LogicException if the form attribute is invalid.
      */
-    public function testConstructorThrowsExceptionIfNoRelatedForm()
+    public function testConstructorThrowsExceptionIfNoRelatedForm(\DOMElement $node)
     {
         $this->expectException('LogicException');
+
+        new Form($node, 'http://example.com');
+    }
+
+    public function constructorThrowsExceptionIfNoRelatedFormProvider()
+    {
         $dom = new \DOMDocument();
         $dom->loadHTML('
             <html>
@@ -81,8 +89,10 @@ public function testConstructorThrowsExceptionIfNoRelatedForm()
 
         $nodes = $dom->getElementsByTagName('input');
 
-        $form = new Form($nodes->item(0), 'http://example.com');
-        $form = new Form($nodes->item(1), 'http://example.com');
+        return [
+            [$nodes->item(0)],
+            [$nodes->item(1)],
+        ];
     }
 
     public function testConstructorLoadsOnlyFieldsOfTheRightForm()