Invoice testing and line item catchup

tests/Feature/InvoiceTest.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Product;
+use App\Models\Service;
+use Carbon\Carbon;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Foundation\Testing\WithFaker;
+use Tests\TestCase;
+
+class InvoiceTest extends TestCase
+{
+	/**
+	 * A basic feature test example.
+	 *
+	 * @return void
+	 */
+	public function testInvoiceAmount()
+	{
+		// Create two services for the same account
+
+		// First service was billed a month ago, so this invoice will have 1 service charge
+		$o = factory(Service::class)->states('next-invoice')->make();
+		$o->setRelation('product',factory(Product::class)->states('strict')->make());
+		$this->assertEquals(110,$o->next_invoice_items(FALSE)->sum('total'),'Invoice Equals 110');
+
+		// Second service wasnt billed, connected 1.5 months ago, so invoice will have 2 service charges - 1 x 0.5 month and 1 x full month. and a connection charge
+		$o = factory(Service::class)->states('new-connect')->make();
+		$o->setRelation('product',factory(Product::class)->states('strict')->make());
+		$this->assertEqualsWithDelta(110+110+55+55,$o->next_invoice_items(FALSE)->sum('total'),2.5,'Invoice Equals 220');
+	}
+}

tests/Feature/ServiceTest.php

@@ -12,7 +12,7 @@ use Tests\TestCase;
 class ServiceTest extends TestCase
 {
     /**
-     * A basic feature test example.
+     * Test billing calculations
      *
      * @return void
      */