eatvio-infra/tests/Feature/MealFormTest.php

<?php

namespace Tests\Feature;

use App\Livewire\MealForm;
use Livewire\Livewire;
use Tests\TestCase;

class MealFormTest extends TestCase
{
    /** @test  */
    public function diary_creation_page_contains_livewire_component()
    {
        $this->refreshApplicationWithLocale('en');

        $this->actingAs($this->user);

        $response = $this->followingRedirects()->get(route('diary.index'));
        $response->assertSeeLivewire('meal-form');
    }

    /** @test  */
    public function meal_form_productName_is_required()
    {
        $this->refreshApplicationWithLocale('en');

        $this->actingAs($this->user);
        $testDiary = $this->user->diaries->first();

        Livewire::test(MealForm::class, ['diaryId' => $testDiary->id])
            ->set('product_name', '')
            ->call('addPortion')
            ->assertHasErrors(['product_name' => 'required']);

        Livewire::test(MealForm::class, ['diaryId' => $testDiary->id])
            ->set('quantity', '')
            ->call('addPortion')
            ->assertHasErrors(['quantity' => 'required']);

        Livewire::test(MealForm::class, ['diaryId' => $testDiary->id])
            ->set('portion', '')
            ->call('addPortion')
            ->assertHasErrors(['portion' => 'required']);
    }

    /** @test  */
    public function meal_form_add_portion()
    {
        $this->refreshApplicationWithLocale('en');

        $this->actingAs($this->user);
        $testDiary = $this->user->diaries->first();

        Livewire::test(
            MealForm::class,
            ['diaryId' => $testDiary->id]
        )
            ->set('product_name', 'test product')
            ->set('quantity', '2')
            ->set('portion', 'pcs')
            ->call('addPortion')
            ->assertCount('portions', 1);
    }
}