Laravel Model Unit Test

DepositModelTest.php

<?php

use App\Models\Deposit;
use Illuminate\Support\Facades\Schema;

describe('Deposit model', function () {
    test('should match fillable properties', function () {
        $fillable = [
            'category_id',
            'status',
            'assigned_by',
            'created_by',
        ];

        $model = new Deposit;

        $this->assertSame($fillable, $model->getFillable());
    });

    test('should has date cast properties', function () {
        $model = new Deposit;

        $this->assertArrayHasKey('date', $model->getCasts());
        $this->assertSame('date', array_search('datetime', $model->getCasts()));
    });

    test('should has columns', function () {
        $expectedColumns = [
            "id",
            "date",
            "amount",
            "details",
            "created_at",
            "updated_at",
            "assigned_by",
        ];

        $model = new Deposit;

        $tableName = $model->getTable();
        $actualColumns = Schema::getColumnListing($tableName);
        $this->assertSame($expectedColumns, $actualColumns);
        $this->assertEquals('datetime', Schema::getColumnType($tableName, 'date'));
        $this->assertEquals('text', Schema::getColumnType($tableName, 'details'));
        $this->assertEquals('decimal', Schema::getColumnType($tableName, 'amount'));
        $this->assertEquals('integer', Schema::getColumnType($tableName, 'assigned_by'));
    });

    test('should has relation', function () {
        $expectedRelations = [
            "category",
            "type",
            "assignedBy",
        ];

        $model = new Deposit;

        foreach($expectedRelations as $relationName) {
            $this->assertTrue(
                method_exists($model, $relationName),
                'No relation ' . $relationName. ' exists.',
            );
        }
    });

    test('should has category name', function () {
        Deposit::factory()->create();
        $model = Deposit::with('category')->first();

        $this->assertArrayHasKey('name', $model->category);
    });
});