add phpunit

tests/Feature/InstanceTest.php

@@ -0,0 +1,48 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: x
+ * Date: 2018/12/9
+ * Time: 11:10 PM
+ */
+
+namespace Tests\Feature;
+
+
+use QL\QueryList;
+use Tests\TestCaseBase;
+
+class InstanceTest extends TestCaseBase
+{
+    protected $html;
+
+    public function setUp()
+    {
+        $this->html = $this->getSnippet('snippet-1');
+    }
+    /**
+     * @test
+     */
+    public function singleton_instance_mode()
+    {
+        $ql = QueryList::getInstance()->html($this->html);
+        $ql2 = QueryList::getInstance();
+        $this->assertEquals($ql->getHtml(),$ql2->getHtml());
+
+
+    }
+
+    /**
+     * @test
+     */
+    public function get_new_object()
+    {
+        $ql = (new QueryList())->html($this->html);
+        $ql2 = new QueryList();
+        $this->assertNotEquals($ql->getHtml(),$ql2->getHtml());
+
+        $ql = QueryList::range('')->html($this->html);
+        $ql2 = QueryList::range('');
+        $this->assertNotEquals($ql->getHtml(),$ql2->getHtml());
+    }
+}