[增添]添加了datasource的setting数据库以及默认值

vendor/anourvalar/eloquent-serialize/tests/OrderByTest.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace AnourValar\EloquentSerialize\Tests;
+
+use AnourValar\EloquentSerialize\Tests\Models\User;
+use AnourValar\EloquentSerialize\Tests\Models\UserPhone;
+
+class OrderByTest extends AbstractSuite
+{
+    /**
+     * @return void
+     */
+    public function testSimple()
+    {
+        // One column
+        $this->compare(User::orderBy('id', 'ASC'));
+
+        // Two columns
+        $this->compare(User::orderBy('id', 'ASC')->orderBy('sort', 'DESC'));
+    }
+
+    /**
+     * @return void
+     */
+    public function testExpression()
+    {
+        // ASC
+        $this->compare(
+            User::orderBy(UserPhone::select('created_at')->whereColumn('user_id', 'users.id')->limit(1)->orderBy('created_at', 'ASC'))
+        );
+
+        // DESC
+        $this->compare(
+            User::orderByDesc(UserPhone::select('phone')->whereColumn('user_id', 'users.id')->limit(1)->orderBy('phone', 'DESC'))
+        );
+    }
+}