investbrain/tests/DashboardTest.php

<?php

declare(strict_types=1);

namespace Tests;

use App\Models\Holding;
use App\Models\Portfolio;
use App\Models\Transaction;
use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;

class DashboardTest extends TestCase
{
    use RefreshDatabase;

    public function test_user_has_portfolios(): void
    {
        $this->actingAs($user = User::factory()->create());

        Portfolio::factory(5)->create();

        $this->assertCount(5, $user->portfolios);
    }

    public function test_user_has_transactions(): void
    {
        $this->actingAs($user = User::factory()->create());

        Transaction::factory(10)->create();

        $this->assertCount(10, $user->transactions);
    }

    public function test_user_has_holdings(): void
    {
        $this->actingAs($user = User::factory()->create());

        $portfolio = Portfolio::factory()->create();

        Transaction::factory(5)->symbol('AAPL')->portfolio($portfolio->id)->create();

        $this->assertCount(1, $user->holdings);
    }

    public function test_user_has_dashboard_metrics(): void
    {
        $this->actingAs($user = User::factory()->create());

        $portfolio = Portfolio::factory()->create();

        Transaction::factory(5)->buy()->lastYear()->portfolio($portfolio->id)->symbol('AAPL')->create();
        $transaction = Transaction::factory()->sell()->lastMonth()->portfolio($portfolio->id)->symbol('AAPL')->create();

        $metrics = Holding::query()
            ->myHoldings()
            ->getPortfolioMetrics();

        $this->assertEqualsWithDelta(
            $transaction->sale_price - $transaction->cost_basis,
            $metrics->get('realized_gain_dollars', 0),
            0.01
        );
    }
}