Started working on Cache testing

tests/SessionCacheTest.php

@@ -0,0 +1,89 @@
+<?php
+
+use PHPUnit\Framework\TestCase;
+use AdminPanel\Cache\SessionCache;
+
+final class SessionCacheTest extends TestCase
+{
+
+    private $session;
+
+    public function __construct()
+    {
+        parent::__construct();
+        $this->session = new SessionCache();
+    }
+
+    public function testCacheCanStart()
+    {
+        $this->assertEquals(
+            session_status(),
+            PHP_SESSION_ACTIVE
+        );
+    }
+
+    public function testCanSet()
+    {
+
+        $this->assertEquals(
+            true,
+            $this->session->set("key", "value")
+        );
+    }
+
+    public function testCanGet()
+    {
+        $this->assertTrue(
+            $this->session->set("key", "value")
+        );
+        $this->assertEquals(
+            'value',
+            $this->session->get('key')
+        );
+    }
+
+
+    public function testCanDelete()
+    {
+        $this->assertTrue(
+            $this->session->set("key", "value")
+        );
+        $this->assertTrue(
+            $this->session->delete('key')
+        );
+        $this->assertNull(
+            $this->session->get('key')
+        );
+    }
+
+    public function testCanSetGetMultiple()
+    {
+
+        $this->assertTrue(
+            $this->session->setMultiple(array(
+                "key1" => "value",
+                "key2" => "value"
+            ))
+        );
+
+        $result = $this->session->getMultiple(array(
+            "key1",
+            "key2"
+        ));
+        $this->assertEquals(
+            "value",
+            $result["key1"]
+        );
+        $this->assertEquals(
+            "value",
+            $result["key2"]
+        );
+
+        $this->assertTrue(
+            $this->session->deleteMultiple(array(
+                "key1",
+                "key2"
+            ))
+        );
+    }
+}