! Add wrapper exception for fixture database query failures

app/code/community/EcomDev/PHPUnit/Model/Mysql4/Fixture.php

@@ -37,8 +37,15 @@ class EcomDev_PHPUnit_Model_Mysql4_Fixture extends Mage_Core_Model_Mysql4_Abstra
      */
     public function cleanTable($tableEntity)
     {
+    	try {
 	        $this->_getWriteAdapter()
-            ->truncate($this->getTable($tableEntity));
+	            ->delete($this->getTable($tableEntity));
+    	} catch (Exception $e) {
+    		throw new EcomDev_PHPUnit_Model_Mysql4_Fixture_Exception(
+    			sprintf('Unable to clear records for a table "%s"', $tableEntity),
+    			$e
+    		);
+    	}
         return $this;
     }
 
@@ -58,10 +65,17 @@ class EcomDev_PHPUnit_Model_Mysql4_Fixture extends Mage_Core_Model_Mysql4_Abstra
             $records[] = $this->_getTableRecord($row, $tableColumns);
         }
 
+        try {
 	        $this->_getWriteAdapter()->insertOnDuplicate(
 	            $this->getTable($tableEntity),
 	            $records
 	        );
+        } catch (Exception $e) {
+        	throw new EcomDev_PHPUnit_Model_Mysql4_Fixture_Exception(
+    			sprintf('Unable to insert/update records for a table "%s"', $tableEntity), 
+    			$e
+    		);
+        }
         
         return $this;
     }

app/code/community/EcomDev/PHPUnit/Model/Mysql4/Fixture/Exception.php

+<?php
+
+class EcomDev_PHPUnit_Model_Mysql4_Fixture_Exception extends RuntimeException
+{
+	public function __construct($message, Exception $previous)
+	{
+		parent::__construct($message, 0, $previous);
+	}
+}
\ No newline at end of file