#277 - added the HighlightProviderTest unit test case, and added the …

…new Validator::isHTML() method

Alpha/Util/Helper/Validator.php

@@ -9,7 +9,7 @@
  *
  * @author John Collins <dev@alphaframework.org>
  * @license http://www.opensource.org/licenses/bsd-license.php The BSD License
- * @copyright Copyright (c) 2015, John Collins (founder of Alpha Framework).
+ * @copyright Copyright (c) 2016, John Collins (founder of Alpha Framework).
  * All rights reserved.
  *
  * <pre>
@@ -381,4 +381,19 @@ public static function isBase64($value)
     {
         return (bool) preg_match('/^(?:[A-Za-z0-9+\/]{4})*(?:[A-Za-z0-9+\/]{2}==|[A-Za-z0-9+\/]{3}=)?$/', $value);
     }
+
+    /**
+     * Will return true if the value provided contains any HTML code that is stripable by
+     * the native strip_tags() function.
+     *
+     * @param $value
+     *
+     * @return bool
+     *
+     * @since 2.0.1
+     */
+    public static function isHTML($value)
+    {
+        return $value != strip_tags($value) ? true : false;
+    }
 }

test/Alpha/Test/Util/Code/Highlight/HighlightProviderTest.php

@@ -0,0 +1,84 @@
+<?php
+
+namespace Alpha\Test\Util\Code\Highlight;
+
+use Alpha\Util\Code\Highlight\HighlightProviderFactory;
+use Alpha\Util\Helper\Validator;
+
+/**
+ * Test cases for the HighlightProviderInterface implementations.
+ *
+ * @since 2.0.1
+ *
+ * @author John Collins <dev@alphaframework.org>
+ * @license http://www.opensource.org/licenses/bsd-license.php The BSD License
+ * @copyright Copyright (c) 2016, John Collins (founder of Alpha Framework).
+ * All rights reserved.
+ *
+ * <pre>
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the
+ * following conditions are met:
+ *
+ * * Redistributions of source code must retain the above
+ *   copyright notice, this list of conditions and the
+ *   following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ *   copyright notice, this list of conditions and the
+ *   following disclaimer in the documentation and/or other
+ *   materials provided with the distribution.
+ * * Neither the name of the Alpha Framework nor the names
+ *   of its contributors may be used to endorse or promote
+ *   products derived from this software without specific
+ *   prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * </pre>
+ */
+class HighlightProviderTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * Returns an array of highlight providers.
+     *
+     * @return array
+     *
+     * @since 2.0.1
+     */
+    public function getHighlightProviders()
+    {
+        return array(
+            array('Alpha\Util\Code\Highlight\HighlightProviderGeshi'),
+            array('Alpha\Util\Code\Highlight\HighlightProviderLuminous')
+        );
+    }
+
+    /**
+     * Testing the highlight() method.
+     *
+     * @since 2.0.1
+     * @dataProvider getHighlightProviders
+     */
+    public function testHighlight($provider)
+    {
+        $highlighter = HighlightProviderFactory::getInstance($provider);
+
+        $code = '<?= $value ?>';
+
+        $highlighted = $highlighter->highlight($code, 'php');
+
+        $this->assertNotEmpty($highlighted, 'Testing the highlight() method');
+        $this->assertTrue(Validator::isHTML($highlighted), 'Testing the highlight() method');
+    }
+}