Cache clear test.

e107_handlers/cache_handler.php

@@ -32,6 +32,7 @@ class ecache {
 	public $UserCacheActive;			// Checkable flag - TRUE if user cache enabled
 	public $SystemCacheActive;			// Checkable flag - TRUE if system cache enabled
 	private $lastError;
+	private $lastFile;
 
 	const CACHE_PREFIX = '<?php exit; ?>';
 
@@ -119,6 +120,7 @@ class ecache {
 
 		$fname = e_CACHE_CONTENT.$q.$CheckTag.'.cache.php';
 		//echo "cache f_name = $fname <br />";
+		$this->lastFile = $fname;
 		return $fname;
 	}
 
@@ -187,6 +189,15 @@ class ecache {
 		return $this->lastError;
 	}
 
+	/**
+	 * Return the last error encountered during cache processing.
+	 * @return mixed
+	 */
+	public function getLastFile()
+	{
+		return $this->lastFile;
+	}
+
 	/**
 	* @return string 
 	* @param string $CacheTag

e107_tests/tests/unit/ecacheTest.php

@@ -107,12 +107,25 @@ class ecacheTest extends \Codeception\Test\Unit
 	{
 
 	}
-
+*/
 	public function testClear()
 	{
+		$cacheName = 'testClearCache';
+		$this->cache->set($cacheName, "something", true);
+		$file = $this->cache->getLastFile();
+
+		// check it has been created.
+		$exists = file_exists($file);
+		$this->assertTrue($exists);
+
+		// check it has been deleted.
+		$this->cache->clear($cacheName);
+		$exists = file_exists($file);
+		$this->assertFalse($exists);
+
 
 	}
-
+/*
 	public function testDelete()
 	{