add test for cloneBlock operation

tests/PhpWord/TemplateProcessorTest.php

@@ -393,6 +393,36 @@ final class TemplateProcessorTest extends \PHPUnit\Framework\TestCase
         }
     }
 
+    /**
+     * @covers ::cloneBlock
+     * @test
+     */
+    public function testCloneBlock()
+    {
+        $mainPart = '<?xml version="1.0" encoding="UTF-8"?>
+        <w:p>
+            <w:r>
+                <w:rPr></w:rPr>
+                <w:t>${CLONEME}</w:t>
+            </w:r>
+        </w:p>
+        <w:p>
+            <w:r>
+                <w:t xml:space="preserve">This block will be cloned</w:t>
+            </w:r>
+        </w:p>
+        <w:p>
+            <w:r w:rsidRPr="00204FED">
+                <w:t>${/CLONEME}</w:t>
+            </w:r>
+        </w:p>';
+
+        $templateProcessor = new TestableTemplateProcesor($mainPart);
+        $templateProcessor->cloneBlock('CLONEME', 3);
+
+        $this->assertEquals(3, substr_count($templateProcessor->getMainPart(), 'This block will be cloned'));
+    }
+
     /**
      * Template macros can be fixed.
      *

tests/PhpWord/_includes/TestableTemplateProcesor.php

@@ -25,8 +25,9 @@ namespace PhpOffice\PhpWord;
  */
 class TestableTemplateProcesor extends TemplateProcessor
 {
-    public function __construct()
+    public function __construct($mainPart = null)
     {
+        $this->tempDocumentMainPart = $mainPart;
     }
 
     public function fixBrokenMacros($documentPart)
@@ -40,4 +41,9 @@ class TestableTemplateProcesor extends TemplateProcessor
 
         return parent::getVariablesForPart($documentPartXML);
     }
+
+    public function getMainPart()
+    {
+        return $this->tempDocumentMainPart;
+    }
 }