Add complete Laravel LLM Gateway implementation
Core Features: - Multi-provider support (OpenAI, Anthropic, DeepSeek, Gemini, Mistral) - Provider service architecture with abstract base class - Dynamic model discovery from provider APIs - Encrypted per-user provider credentials storage Admin Interface: - Complete admin panel with Livewire components - User management with CRUD operations - API key management with testing capabilities - Budget system with limits and reset schedules - Usage logs with filtering and CSV export - Model pricing management with cost calculator - Dashboard with Chart.js visualizations Database Schema: - MariaDB migrations for all tables - User provider credentials (encrypted) - LLM request logging - Budget tracking and rate limiting - Model pricing configuration API Implementation: - OpenAI-compatible endpoints - Budget checking middleware - Rate limit enforcement - Request logging jobs - Cost calculation service Testing: - Unit tests for all provider services - Provider factory tests - Cost calculator tests Documentation: - Admin user seeder - Model pricing seeder - Configuration files
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wtrinkl
150
laravel-app/tests/Unit/Services/OpenAIProviderTest.php
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150
laravel-app/tests/Unit/Services/OpenAIProviderTest.php
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<?php
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namespace Tests\Unit\Services;
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use Tests\TestCase;
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use App\Services\LLM\Providers\OpenAIProvider;
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use App\Models\ModelPricing;
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use Illuminate\Support\Facades\Http;
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use Illuminate\Support\Facades\Cache;
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use Illuminate\Foundation\Testing\RefreshDatabase;
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class OpenAIProviderTest extends TestCase
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{
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use RefreshDatabase;
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private OpenAIProvider $provider;
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protected function setUp(): void
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{
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parent::setUp();
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$this->provider = new OpenAIProvider('test-api-key');
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}
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public function test_builds_request_correctly(): void
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{
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$messages = [
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['role' => 'user', 'content' => 'Hello']
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];
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$options = [
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'model' => 'gpt-4o-mini',
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'temperature' => 0.8,
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'max_tokens' => 1000
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];
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$reflection = new \ReflectionClass($this->provider);
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$method = $reflection->getMethod('buildRequest');
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$method->setAccessible(true);
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$result = $method->invoke($this->provider, $messages, $options);
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$this->assertEquals('gpt-4o-mini', $result['model']);
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$this->assertEquals(0.8, $result['temperature']);
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$this->assertEquals(1000, $result['max_tokens']);
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$this->assertEquals($messages, $result['messages']);
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$this->assertFalse($result['stream']);
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}
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public function test_normalizes_response_correctly(): void
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{
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$rawResponse = [
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'id' => 'chatcmpl-123',
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'model' => 'gpt-4o-mini',
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'choices' => [
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[
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'message' => [
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'role' => 'assistant',
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'content' => 'Hello! How can I help you?'
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],
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'finish_reason' => 'stop'
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]
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],
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'usage' => [
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'prompt_tokens' => 10,
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'completion_tokens' => 20,
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'total_tokens' => 30
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]
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];
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$normalized = $this->provider->normalizeResponse($rawResponse);
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$this->assertEquals('chatcmpl-123', $normalized['id']);
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$this->assertEquals('gpt-4o-mini', $normalized['model']);
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$this->assertEquals('Hello! How can I help you?', $normalized['content']);
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$this->assertEquals('assistant', $normalized['role']);
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$this->assertEquals('stop', $normalized['finish_reason']);
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$this->assertEquals(10, $normalized['usage']['prompt_tokens']);
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$this->assertEquals(20, $normalized['usage']['completion_tokens']);
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$this->assertEquals(30, $normalized['usage']['total_tokens']);
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}
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public function test_calculates_cost_correctly(): void
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{
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// Create pricing in database
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ModelPricing::create([
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'provider' => 'openai',
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'model' => 'gpt-4o-mini',
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'input_price_per_million' => 0.15,
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'output_price_per_million' => 0.60,
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'is_active' => true,
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'effective_from' => now()
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]);
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Cache::flush();
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$cost = $this->provider->calculateCost(1000, 500, 'gpt-4o-mini');
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// Expected: (1000/1M * 0.15) + (500/1M * 0.60) = 0.00015 + 0.0003 = 0.00045
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$this->assertEquals(0.00045, $cost);
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}
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public function test_handles_api_errors(): void
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{
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Http::fake([
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'https://api.openai.com/*' => Http::response(['error' => 'Invalid API key'], 401)
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]);
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$this->expectException(\App\Exceptions\ProviderException::class);
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$this->expectExceptionMessage('Invalid API key');
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$this->provider->chatCompletion([
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['role' => 'user', 'content' => 'test']
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]);
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}
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public function test_retries_on_server_error(): void
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{
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Http::fake([
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'https://api.openai.com/*' => Http::sequence()
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->push(['error' => 'Server error'], 500)
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->push(['error' => 'Server error'], 500)
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->push([
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'id' => 'test-123',
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'model' => 'gpt-4o-mini',
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'choices' => [[
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'message' => ['content' => 'Success', 'role' => 'assistant'],
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'finish_reason' => 'stop'
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]],
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'usage' => ['prompt_tokens' => 10, 'completion_tokens' => 5, 'total_tokens' => 15]
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], 200)
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]);
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$result = $this->provider->chatCompletion([
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['role' => 'user', 'content' => 'test']
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]);
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$this->assertArrayHasKey('id', $result);
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$this->assertEquals('test-123', $result['id']);
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}
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public function test_get_supported_models(): void
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{
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$models = $this->provider->getSupportedModels();
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$this->assertIsArray($models);
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$this->assertContains('gpt-4o', $models);
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$this->assertContains('gpt-4o-mini', $models);
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$this->assertContains('gpt-3.5-turbo', $models);
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}
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}
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