[增添]添加了datasource的setting数据库以及默认值

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

@@ -0,0 +1,40 @@
+<?php
+
+namespace AnourValar\EloquentSerialize\Tests;
+
+use AnourValar\EloquentSerialize\Tests\Models\User;
+
+class ConnectionTest extends AbstractSuite
+{
+    /**
+     * @return void
+     */
+    public function testDefault()
+    {
+        $package = $this->service->serialize(User::where('id', '!=', 1));
+        $package = json_encode($package);
+
+        $package = json_decode($package, true);
+        $builder = $this->service->unserialize($package);
+
+        $this->assertEquals('testing', $builder->getQuery()->getConnection()->getName());
+        $this->assertEquals('testing', $builder->first()->getConnectionName());
+    }
+
+    /**
+     * @return void
+     */
+    public function testSimple()
+    {
+        config(['database.connections.foo' => config('database.connections.testing')]);
+
+        $package = $this->service->serialize((new User())->setConnection('foo')->where('id', '!=', 1));
+        $package = json_encode($package);
+
+        $package = json_decode($package, true);
+        $builder = $this->service->unserialize($package);
+
+        $this->assertEquals('foo', $builder->getQuery()->getConnection()->getName());
+        $this->assertEquals('foo', $builder->getModel()->getConnectionName());
+    }
+}