Files
autocrm/tests/Unit/VinDecoderTest.php
Vasyka 1ff888131f Stage 16 — AI Layer: VIN decoder + diagnostic / parts / price helpers
VinDecoder (deterministic, no API):
- ISO 3779/3780 parsing: WMI manufacturer (~60 brands), year (cyclical with
  post-2010 disambiguation via position 7), region, plant, NA checksum
- Strip non-VIN chars, accept dashes/spaces, reject I/O/Q per spec

AiAssistantService:
- Refactored provider HTTP into postClaude/postOpenAI/postGemini so both
  chat history and one-shot calls share the same transport
- singleShot(system, userPrompt, provider?) for fire-and-forget calls
- 4 specialized helpers with tight prompts:
  - suggestDiagnosis(WO) — diagnostician based on complaint + VIN info
  - suggestParts(WO, task) — OEM parts list for an operation
  - suggestPrice(Part) — markup recommendation with justification
  - vinRecommendations(vin, mileage) — scheduled maintenance from decoded VIN
- monthlyUsage() — token spend MTD by provider

Filament:
- VehicleResource: "Decode VIN" + "AI: recomandări" actions
- WorkOrderResource Edit: "AI: sugerează diagnostic" header action
- PartResource: "AI: preț recomandat" action
- Shared views: filament.tenant.ai-reply, filament.tenant.vin-decode
- AiAssistant page shows monthly token usage banner

Tests (13 new):
- 8 VinDecoder unit tests with real VIN samples (Honda 2003, VW 1999, Audi
  2014, Dacia, unknown WMI, lowercase/dashes, forbidden chars)
- 5 AiHelpers feature tests with Http::fake covering all providers + no-key
  fallback + token usage aggregation

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-27 20:24:09 +00:00

79 lines
2.3 KiB
PHP

<?php
namespace Tests\Unit;
use App\Services\Ai\VinDecoder;
use Tests\TestCase;
class VinDecoderTest extends TestCase
{
private VinDecoder $d;
protected function setUp(): void
{
parent::setUp();
$this->d = new VinDecoder;
}
public function test_rejects_invalid_length(): void
{
$r = $this->d->decode('SHORTVIN');
$this->assertFalse($r['valid_length']);
}
public function test_decodes_honda_vin_2003(): void
{
$r = $this->d->decode('1HGCM82633A123456');
$this->assertTrue($r['valid_length']);
$this->assertEquals('1HG', $r['wmi']);
$this->assertEquals('Honda', $r['manufacturer']);
$this->assertEquals('USA', $r['country']);
$this->assertEquals('North America', $r['region']);
$this->assertEquals(2003, $r['year']);
}
public function test_decodes_vw_european_vin(): void
{
// VW Bora 1999
$r = $this->d->decode('WVWZZZ1JZXW000001');
$this->assertEquals('VW', $r['manufacturer']);
$this->assertEquals('Germany', $r['country']);
$this->assertEquals(1999, $r['year']);
}
public function test_decodes_audi_post_2010(): void
{
// Audi A4 2014 — year code E (pos 10), pos 7 alpha → 2014 not 1984
$r = $this->d->decode('WAUZZZF40EA123456');
$this->assertEquals('Audi', $r['manufacturer']);
$this->assertEquals(2014, $r['year']);
}
public function test_decodes_dacia(): void
{
$r = $this->d->decode('UU1KSDAAH50123456');
$this->assertEquals('Dacia', $r['manufacturer']);
$this->assertEquals('Romania', $r['country']);
}
public function test_unknown_wmi_returns_null_manufacturer(): void
{
$r = $this->d->decode('ZZZZZZZZZZZZZZZZZ');
$this->assertNull($r['manufacturer']);
}
public function test_strips_lowercase_and_dashes(): void
{
$r = $this->d->decode('1hg-cm82-633a123456');
$this->assertTrue($r['valid_length']);
$this->assertEquals('Honda', $r['manufacturer']);
}
public function test_rejects_forbidden_chars_iqo(): void
{
// I, O, Q are stripped by VIN normalization; result is shorter, so invalid length.
$r = $this->d->decode('1HGCM82633AIOQ1234');
$this->assertFalse($r['valid_length']);
}
}