wc-composable-product/tests/Unit/Admin/SettingsTest.php

<?php
/**
 * Admin Settings Tests
 *
 * @package Magdev\WcComposableProduct\Tests
 */

namespace Magdev\WcComposableProduct\Tests\Unit\Admin;

use Magdev\WcComposableProduct\Tests\TestCase;
use Magdev\WcComposableProduct\Admin\Settings;
use Brain\Monkey\Functions;

class SettingsTest extends TestCase
{
    public function testConstructor_SetsIdAndLabel(): void
    {
        $settings = new Settings();

        $this->assertSame('composable_products', $settings->get_id());
    }

    public function testGetSettings_ReturnsExpectedFieldIds(): void
    {
        Functions\expect('apply_filters')
            ->once()
            ->with('wc_composable_settings', \Mockery::type('array'))
            ->andReturnUsing(function ($hook, $settings) {
                return $settings;
            });

        $settings = new Settings();
        $fields = $settings->get_settings();

        // Extract all field IDs
        $ids = array_column($fields, 'id');

        $this->assertContains('wc_composable_settings', $ids);
        $this->assertContains('wc_composable_default_limit', $ids);
        $this->assertContains('wc_composable_default_pricing', $ids);
        $this->assertContains('wc_composable_include_unpublished', $ids);
        $this->assertContains('wc_composable_show_images', $ids);
        $this->assertContains('wc_composable_show_prices', $ids);
        $this->assertContains('wc_composable_show_total', $ids);
    }

    public function testGetSettings_HasCorrectFieldTypes(): void
    {
        Functions\expect('apply_filters')
            ->once()
            ->andReturnUsing(function ($hook, $settings) {
                return $settings;
            });

        $settings = new Settings();
        $fields = $settings->get_settings();

        // Index fields by ID for easy lookup
        $indexed = [];
        foreach ($fields as $field) {
            if (isset($field['id'])) {
                $indexed[$field['id']] = $field;
            }
        }

        $this->assertSame('number', $indexed['wc_composable_default_limit']['type']);
        $this->assertSame('select', $indexed['wc_composable_default_pricing']['type']);
        $this->assertSame('checkbox', $indexed['wc_composable_include_unpublished']['type']);
        $this->assertSame('checkbox', $indexed['wc_composable_show_images']['type']);
    }

    public function testGetSettings_AppliesFilter(): void
    {
        Functions\expect('apply_filters')
            ->once()
            ->with('wc_composable_settings', \Mockery::type('array'))
            ->andReturnUsing(function ($hook, $settings) {
                return $settings;
            });

        $settings = new Settings();
        $settings->get_settings();
    }
}