faker = \Faker\Factory::create(); Model::reguard(); $this->makeTestData(); } public function testMapCreation() { $temp_invoice_id = $this->invoice->id; $tasks = collect($this->invoice->line_items)->map(function ($item) { if (isset($item->task_id)) { $item->task_id = $this->decodePrimaryKey($item->task_id); } if (isset($item->expense_id)) { $item->expense_id = $this->decodePrimaryKey($item->expense_id); } return $item; }); $this->assertEquals($tasks->first()->task_id, $this->task->id); $this->assertEquals($tasks->first()->expense_id, $this->expense->id); $this->invoice = $this->invoice->service()->linkEntities()->save(); $this->assertEquals($this->task->fresh()->invoice_id, $temp_invoice_id); $this->assertEquals($this->expense->fresh()->invoice_id, $temp_invoice_id); } }