Feat: Adds multi currency support (#88)
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hackerESQ
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<?php
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declare(strict_types=1);
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namespace Tests;
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use App\Models\DailyChange;
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use App\Models\Holding;
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use App\Models\Portfolio;
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use App\Models\Transaction;
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use App\Models\User;
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use Carbon\CarbonPeriod;
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use Illuminate\Foundation\Testing\RefreshDatabase;
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use Illuminate\Support\Carbon;
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use Illuminate\Support\Facades\Artisan;
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class DailyChangeTest extends TestCase
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{
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use RefreshDatabase;
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public Portfolio $portfolio;
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protected function setUp(): void
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{
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parent::setUp();
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$this->actingAs($user = User::factory()->create());
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$this->portfolio = Portfolio::factory()->create();
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}
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public function test_daily_change_for_portfolios()
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{
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Transaction::factory(5)->buy()->lastYear()->portfolio($this->portfolio->id)->symbol('AAPL')->create();
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$transaction = Transaction::factory()->sell()->lastMonth()->portfolio($this->portfolio->id)->symbol('AAPL')->create();
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// Run the command
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Artisan::call('capture:daily-change');
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// Assert the daily change was captured for the portfolio
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$this->assertDatabaseHas('daily_change', [
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'portfolio_id' => $this->portfolio->id,
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]);
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$output = Artisan::output();
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$this->assertStringContainsString('Capturing daily change for', $output);
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$daily_change = DailyChange::where([
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'portfolio_id' => $this->portfolio->id,
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])->get();
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$this->assertCount(1, $daily_change);
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$quantity = Holding::where('symbol', 'AAPL')->sum('quantity');
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$this->assertEqualsWithDelta(
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$transaction->market_data->market_value_base * $quantity,
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$daily_change->first()->total_market_value,
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0.01
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);
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}
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public function test_can_sync_daily_change_history(): void
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{
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// create some transaction history
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Transaction::factory(5)->buy()->yearsAgo()->portfolio($this->portfolio->id)->symbol('ACME')->create();
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Transaction::factory()->sell()->lastMonth()->portfolio($this->portfolio->id)->symbol('ACME')->create();
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Transaction::factory(5)->buy()->yearsAgo()->portfolio($this->portfolio->id)->symbol('AAPL')->create();
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Transaction::factory(5)->buy()->yearsAgo()->portfolio($this->portfolio->id)->symbol('GOOG')->create();
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Transaction::factory(5)->buy()->yearsAgo()->portfolio($this->portfolio->id)->symbol('FOO')->create();
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Transaction::factory(5)->buy()->yearsAgo()->portfolio($this->portfolio->id)->symbol('BAR')->create();
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// sync
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$this->portfolio->syncDailyChanges();
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// ensure count matches
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$end_date = now()->isBefore(Carbon::parse(config('investbrain.daily_change_time_of_day')))
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? now()->subDay()
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: now();
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$count_of_daily_changes = $this->portfolio->daily_change()->count('date');
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$days_between_now_and_first_trans = (int) CarbonPeriod::create(
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$this->portfolio->transactions()->min('date'),
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$end_date
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)->filter('isWeekday')
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->count();
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$this->assertEquals($days_between_now_and_first_trans, $count_of_daily_changes);
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// ensure market value matches
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$holding_performance = $this->portfolio->holdings()->withPerformance()->get();
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$total_market_value = $holding_performance->sum('total_market_value');
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$daily_change = $this->portfolio->daily_change()->orderBy('date')->get()->last();
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$this->assertEqualsWithDelta($total_market_value, $daily_change->total_market_value, 0.01);
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}
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public function test_cost_basis_is_calculated(): void
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{
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$first_transaction = Transaction::factory()->buy()->yearsAgo()->portfolio($this->portfolio->id)->symbol('ACME')->create();
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$this->portfolio->syncDailyChanges();
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$holding = Holding::symbol('ACME')->portfolio($this->portfolio->id)->first();
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$daily_change = DailyChange::withDailyPerformance()
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->portfolio($this->portfolio->id)
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->whereDate('daily_change.date', '=', $first_transaction->date->copy()->nextWeekday())
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->first();
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$this->assertEquals($holding->average_cost_basis, $daily_change->total_cost_basis);
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$second_transaction = Transaction::factory()->buy()->lastYear()->portfolio($this->portfolio->id)->symbol('ACME')->create();
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$this->portfolio->syncDailyChanges();
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$daily_change = DailyChange::withDailyPerformance()
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->portfolio($this->portfolio->id)
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->whereDate('daily_change.date', '=', $second_transaction->date->copy()->nextWeekday())
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->first();
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$this->assertEqualsWithDelta($first_transaction->cost_basis + $second_transaction->cost_basis, $daily_change->total_cost_basis, 0.01);
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$third_transaction = Transaction::factory(2)->sell()->lastMonth()->portfolio($this->portfolio->id)->symbol('ACME')->create()->first();
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$this->portfolio->syncDailyChanges();
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$daily_change = DailyChange::withDailyPerformance()
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->portfolio($this->portfolio->id)
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->whereDate('daily_change.date', '=', $third_transaction->date->copy()->nextWeekday())
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->first();
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$this->assertEqualsWithDelta(0, $daily_change->total_cost_basis, 0.01);
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}
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public function test_sales_are_captured_as_realized_gains(): void
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{
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Transaction::factory(5)->buy()->yearsAgo()->portfolio($this->portfolio->id)->symbol('ACME')->create();
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$sale_transaction = Transaction::factory()->sell()->lastMonth()->portfolio($this->portfolio->id)->symbol('ACME')->create();
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Transaction::factory(5)->buy()->yearsAgo()->portfolio($this->portfolio->id)->symbol('AAPL')->create();
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Transaction::factory(5)->buy()->yearsAgo()->portfolio($this->portfolio->id)->symbol('GOOG')->create();
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Transaction::factory(5)->buy()->yearsAgo()->portfolio($this->portfolio->id)->symbol('FOO')->create();
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Transaction::factory(5)->buy()->yearsAgo()->portfolio($this->portfolio->id)->symbol('BAR')->create();
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$this->portfolio->syncDailyChanges();
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$daily_change = DailyChange::withDailyPerformance()
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->portfolio($this->portfolio->id)
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->whereDate('daily_change.date', '=', $sale_transaction->date->copy()->nextWeekday())
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->first();
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$realized_gain = ($sale_transaction->sale_price - $sale_transaction->cost_basis) * $sale_transaction->quantity;
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$this->assertEqualsWithDelta($realized_gain, $daily_change->realized_gain_dollars, 0.01);
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$day_before = DailyChange::withDailyPerformance()
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->portfolio($this->portfolio->id)
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->whereDate('daily_change.date', '=', $sale_transaction->date->copy()->previousWeekday())
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->first();
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$this->assertEmpty($day_before->realized_gain_dollars);
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$after = DailyChange::withDailyPerformance()
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->portfolio($this->portfolio->id)
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->whereDate('daily_change.date', '=', $sale_transaction->date->copy()->addDays(1)->nextWeekday())
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->first();
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$this->assertEqualsWithDelta($realized_gain, $after->realized_gain_dollars, 0.01);
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}
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public function test_dividends_captured_in_daily_change_sync(): void
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{
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Transaction::factory(5)->buy()->yearsAgo()->portfolio($this->portfolio->id)->symbol('ACME')->create();
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Artisan::call('refresh:dividend-data');
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$this->portfolio->syncDailyChanges();
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$holding = Holding::query()->portfolio($this->portfolio->id)->symbol('ACME')->first();
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$dividends = $holding->dividends()->get()->sortBy('date');
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$first_dividend_change = DailyChange::withDailyPerformance()
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->portfolio($this->portfolio->id)
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->whereDate('daily_change.date', '=', $dividends->first()->date->nextWeekday())
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->first();
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$owned = $dividends->first()->purchased - $dividends->first()->sold;
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$this->assertEqualsWithDelta($dividends->first()->dividend_amount * $owned, $first_dividend_change->total_dividends_earned, 0.01);
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$last_dividend_change = DailyChange::withDailyPerformance()
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->portfolio($this->portfolio->id)
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->whereDate('daily_change.date', '=', $dividends->last()->date->nextWeekday())
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->first();
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$total_dividends = $dividends->reduce(function (?float $carry, $dividend) {
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return $carry + ($dividend['dividend_amount'] * ($dividend['purchased'] - $dividend['sold']));
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});
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$owned = $dividends->last()->purchased - $dividends->last()->sold;
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$this->assertEqualsWithDelta($total_dividends, $last_dividend_change->total_dividends_earned, 0.01);
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}
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}
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