From 9566804b2735c205ce2faa7bc27179e54ea4ce5d Mon Sep 17 00:00:00 2001
From: Mauro Cassani <maurocassani1978@gmail.com>
Date: Fri, 4 Mar 2022 16:43:33 +0100
Subject: [PATCH] Fixed tests

---
 src/AbstractFilter.php             | 8 ++++++++
 tests/MateCatSubFilteringTest.php  | 5 ++++-
 tests/MyMemorySubFilteringTest.php | 2 ++
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/AbstractFilter.php b/src/AbstractFilter.php
index 097e0c0..e596976 100644
--- a/src/AbstractFilter.php
+++ b/src/AbstractFilter.php
@@ -65,6 +65,14 @@ protected function setTarget( $target )
         $this->target = $target;
     }
 
+    /**
+     * Destroy the singleton
+     */
+    public static function destroyInstance()
+    {
+        static::$_INSTANCE = null;
+    }
+
     /**
      * @param string              $source
      * @param string              $target
diff --git a/tests/MateCatSubFilteringTest.php b/tests/MateCatSubFilteringTest.php
index 64fa040..3b26b5d 100644
--- a/tests/MateCatSubFilteringTest.php
+++ b/tests/MateCatSubFilteringTest.php
@@ -18,7 +18,10 @@ class MateCatSubFilteringTest extends TestCase
      * @return \Matecat\SubFiltering\AbstractFilter
      * @throws \Exception
      */
-    private function getFilterInstance() {
+    private function getFilterInstance()
+    {
+        MateCatFilter::destroyInstance(); // for isolation test
+
         return MateCatFilter::getInstance( new FeatureSet(), 'en-US', 'it-IT' );
     }
 
diff --git a/tests/MyMemorySubFilteringTest.php b/tests/MyMemorySubFilteringTest.php
index dff531e..e4c839c 100644
--- a/tests/MyMemorySubFilteringTest.php
+++ b/tests/MyMemorySubFilteringTest.php
@@ -14,6 +14,8 @@ class MyMemorySubFilteringTest extends TestCase
      */
     private function getFilterInstance()
     {
+        MyMemoryFilter::destroyInstance(); // for isolation test
+
         return MyMemoryFilter::getInstance(new FeatureSet(), 'en-US','it-IT', []);
     }