add pipe

tests/Dom/FindTest.php

@@ -0,0 +1,71 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: x
+ * Date: 2018/12/10
+ * Time: 12:46 AM
+ */
+
+namespace Tests\Dom;
+
+
+use QL\QueryList;
+use Tests\TestCaseBase;
+
+class FindTest extends TestCaseBase
+{
+    protected $html;
+    protected $ql;
+
+    public function setUp()
+    {
+        $this->html = $this->getSnippet('snippet-1');
+        $this->ql = QueryList::html($this->html);
+    }
+
+    /**
+     * @test
+     */
+    public function find_first_dom_attr()
+    {
+        $img = [];
+        $img[] = $this->ql->find('img')->attr('src');
+        $img[] = $this->ql->find('img')->src;
+        $img[] = $this->ql->find('img:eq(0)')->src;
+        $img[] = $this->ql->find('img')->eq(0)->src;
+
+        $alt = $this->ql->find('img')->alt;
+        $abc = $this->ql->find('img')->abc;
+
+        $this->assertCount(1,array_unique($img));
+        $this->assertEquals($alt,'这是图片');
+        $this->assertEquals($abc,'这是一个自定义属性');
+
+    }
+
+    /**
+     * @test
+     */
+    public function find_second_dom_attr()
+    {
+
+        $img2 = [];
+        $img2[] = $this->ql->find('img')->eq(1)->alt;
+        $img2[] = $this->ql->find('img:eq(1)')->alt;
+        $img2[] = $this->ql->find('.second_pic')->alt;
+
+        $this->assertCount(1,array_unique($img2));
+
+    }
+
+    /**
+     * @test
+     */
+    public function find_dom_all_attr()
+    {
+        $imgAttr = $this->ql->find('img:eq(0)')->attr('*');
+        $linkAttr = $this->ql->find('a:eq(1)')->attr('*');
+        $this->assertCount(3,$imgAttr);
+        $this->assertCount(1,$linkAttr);
+    }
+}