6.1 - Uncovering a New Domain Object

tests/unit/ReservationTest.php

@@ -0,0 +1,23 @@
+<?php
+
+use App\Concert;
+use App\Reservation;
+use Illuminate\Foundation\Testing\WithoutMiddleware;
+use Illuminate\Foundation\Testing\DatabaseMigrations;
+use Illuminate\Foundation\Testing\DatabaseTransactions;
+
+class ReservationTest extends TestCase
+{
+    use DatabaseMigrations;
+
+    /** @test */
+    function calculating_the_total_cost()
+    {
+        $concert = factory(Concert::class)->create(['ticket_price' => 1200])->addTickets(3);
+        $tickets = $concert->findTickets(3);
+
+        $reservation = new Reservation($tickets);
+
+        $this->assertEquals(3600, $reservation->totalCost());
+    }
+}