Add harvest and generic imports

tests/Unit/Service/Import/Importers/HarvestClientsImporterTest.php

@@ -0,0 +1,43 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Unit\Service\Import\Importers;
+
+use App\Models\Client;
+use App\Models\Organization;
+use App\Service\Import\Importers\DefaultImporter;
+use App\Service\Import\Importers\HarvestClientsImporter;
+use App\Service\Import\Importers\ImportException;
+use Illuminate\Support\Facades\Storage;
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\UsesClass;
+
+#[CoversClass(HarvestClientsImporter::class)]
+#[CoversClass(ImportException::class)]
+#[CoversClass(DefaultImporter::class)]
+#[UsesClass(HarvestClientsImporter::class)]
+class HarvestClientsImporterTest extends ImporterTestAbstract
+{
+    public function test_import_of_test_file_succeeds(): void
+    {
+        // Arrange
+        $organization = Organization::factory()->create();
+        $timezone = 'Europe/Vienna';
+        $importer = new HarvestClientsImporter;
+        $importer->init($organization);
+        $data = Storage::disk('testfiles')->get('harvest_clients_import_test_1.csv');
+
+        // Act
+        $importer->importData($data, $timezone);
+
+        // Assert
+        $clients = Client::query()->whereBelongsTo($organization, 'organization')->get();
+        $this->assertCount(2, $clients);
+        $client1 = $clients->where('name', 'Example Client')->first();
+        $this->assertNotNull($client1);
+        // Client name in Harvest: \\ 🔥 Special characters """`!@#$%^&*()_+\-=\[\]{};':"\\|,.''<>\/?~ \\\
+        $client2 = $clients->where('name', '\\\\ 🔥 Special characters  """`!@#$%^&*()_+\-=\[\]{};\':"\\\\|,.\'\'<>\/?~ \\\\\\')->first();
+        $this->assertNotNull($client2);
+    }
+}