400 lines
13 KiB
PHP
400 lines
13 KiB
PHP
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<?php
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declare(strict_types=1);
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namespace Core\Mod\Agentic\Tests\Unit;
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use Core\Mod\Agentic\Services\AgenticResponse;
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use Core\Mod\Agentic\Services\OpenAIService;
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use Illuminate\Support\Facades\Http;
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use RuntimeException;
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use Tests\TestCase;
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/**
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* Tests for the OpenAIService AI provider.
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*
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* Uses mocked HTTP responses to test the service without real API calls.
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*/
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class OpenAIServiceTest extends TestCase
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{
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private const API_URL = 'https://api.openai.com/v1/chat/completions';
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// =========================================================================
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// Service Configuration Tests
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// =========================================================================
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public function test_name_returns_openai(): void
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{
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$service = new OpenAIService('test-api-key');
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$this->assertEquals('openai', $service->name());
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}
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public function test_default_model_returns_configured_model(): void
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{
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$service = new OpenAIService('test-api-key', 'gpt-4o');
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$this->assertEquals('gpt-4o', $service->defaultModel());
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}
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public function test_default_model_uses_gpt4o_mini_when_not_specified(): void
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{
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$service = new OpenAIService('test-api-key');
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$this->assertEquals('gpt-4o-mini', $service->defaultModel());
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}
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public function test_is_available_returns_true_with_api_key(): void
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{
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$service = new OpenAIService('test-api-key');
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$this->assertTrue($service->isAvailable());
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}
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public function test_is_available_returns_false_without_api_key(): void
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{
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$service = new OpenAIService('');
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$this->assertFalse($service->isAvailable());
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}
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// =========================================================================
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// Generate Tests
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// =========================================================================
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public function test_generate_returns_agentic_response(): void
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{
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Http::fake([
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self::API_URL => Http::response([
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'id' => 'chatcmpl-123',
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'object' => 'chat.completion',
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'model' => 'gpt-4o-mini',
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'choices' => [
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[
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'index' => 0,
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'message' => [
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'role' => 'assistant',
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'content' => 'Hello, world!',
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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' => 5,
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'total_tokens' => 15,
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],
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], 200),
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]);
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$service = new OpenAIService('test-api-key');
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$response = $service->generate('You are helpful.', 'Say hello');
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$this->assertInstanceOf(AgenticResponse::class, $response);
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$this->assertEquals('Hello, world!', $response->content);
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$this->assertEquals('gpt-4o-mini', $response->model);
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$this->assertEquals(10, $response->inputTokens);
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$this->assertEquals(5, $response->outputTokens);
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$this->assertEquals('stop', $response->stopReason);
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}
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public function test_generate_sends_correct_request_body(): void
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{
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Http::fake([
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self::API_URL => Http::response([
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'model' => 'gpt-4o-mini',
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'choices' => [
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['message' => ['content' => 'Response'], 'finish_reason' => 'stop'],
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],
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'usage' => ['prompt_tokens' => 10, 'completion_tokens' => 5],
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], 200),
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]);
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$service = new OpenAIService('test-api-key');
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$service->generate('System prompt', 'User prompt');
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Http::assertSent(function ($request) {
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$body = $request->data();
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return $body['messages'][0]['role'] === 'system'
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&& $body['messages'][0]['content'] === 'System prompt'
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&& $body['messages'][1]['role'] === 'user'
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&& $body['messages'][1]['content'] === 'User prompt'
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&& $body['model'] === 'gpt-4o-mini'
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&& $body['max_tokens'] === 4096
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&& $body['temperature'] === 1.0;
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});
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}
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public function test_generate_uses_custom_config(): void
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{
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Http::fake([
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self::API_URL => Http::response([
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'model' => 'gpt-4o',
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'choices' => [
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['message' => ['content' => 'Response'], 'finish_reason' => 'stop'],
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],
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'usage' => ['prompt_tokens' => 10, 'completion_tokens' => 5],
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], 200),
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]);
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$service = new OpenAIService('test-api-key');
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$service->generate('System', 'User', [
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'model' => 'gpt-4o',
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'max_tokens' => 8192,
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'temperature' => 0.5,
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]);
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Http::assertSent(function ($request) {
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$body = $request->data();
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return $body['model'] === 'gpt-4o'
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&& $body['max_tokens'] === 8192
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&& $body['temperature'] === 0.5;
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});
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}
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public function test_generate_sends_correct_headers(): void
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{
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Http::fake([
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self::API_URL => Http::response([
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'model' => 'gpt-4o-mini',
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'choices' => [
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['message' => ['content' => 'Response'], 'finish_reason' => 'stop'],
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],
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'usage' => ['prompt_tokens' => 10, 'completion_tokens' => 5],
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], 200),
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]);
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$service = new OpenAIService('test-api-key-123');
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$service->generate('System', 'User');
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Http::assertSent(function ($request) {
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return $request->hasHeader('Authorization', 'Bearer test-api-key-123')
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&& $request->hasHeader('Content-Type', 'application/json');
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});
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}
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public function test_generate_tracks_duration(): void
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{
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Http::fake([
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self::API_URL => Http::response([
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'model' => 'gpt-4o-mini',
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'choices' => [
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['message' => ['content' => 'Response'], 'finish_reason' => 'stop'],
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],
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'usage' => ['prompt_tokens' => 10, 'completion_tokens' => 5],
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], 200),
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]);
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$service = new OpenAIService('test-api-key');
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$response = $service->generate('System', 'User');
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$this->assertIsInt($response->durationMs);
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$this->assertGreaterThanOrEqual(0, $response->durationMs);
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}
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public function test_generate_includes_raw_response(): void
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{
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$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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['message' => ['content' => 'Response'], 'finish_reason' => 'stop'],
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],
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'usage' => ['prompt_tokens' => 10, 'completion_tokens' => 5],
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];
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Http::fake([
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self::API_URL => Http::response($rawResponse, 200),
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]);
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$service = new OpenAIService('test-api-key');
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$response = $service->generate('System', 'User');
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$this->assertEquals('chatcmpl-123', $response->raw['id']);
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}
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// =========================================================================
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// Error Handling Tests
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// =========================================================================
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public function test_generate_throws_on_client_error(): void
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{
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Http::fake([
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self::API_URL => Http::response([
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'error' => ['message' => 'Invalid API key'],
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], 401),
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]);
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$service = new OpenAIService('invalid-key');
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$this->expectException(RuntimeException::class);
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$this->expectExceptionMessage('OpenAI API error');
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$service->generate('System', 'User');
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}
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public function test_generate_retries_on_rate_limit(): void
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{
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Http::fake([
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self::API_URL => Http::sequence()
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->push(['error' => ['message' => 'Rate limited']], 429)
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->push([
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'model' => 'gpt-4o-mini',
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'choices' => [
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['message' => ['content' => 'Success after retry'], 'finish_reason' => 'stop'],
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],
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'usage' => ['prompt_tokens' => 10, 'completion_tokens' => 5],
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], 200),
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]);
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$service = new OpenAIService('test-api-key');
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$response = $service->generate('System', 'User');
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$this->assertEquals('Success after retry', $response->content);
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}
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public function test_generate_retries_on_server_error(): void
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{
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Http::fake([
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self::API_URL => Http::sequence()
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->push(['error' => ['message' => 'Server error']], 500)
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->push([
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'model' => 'gpt-4o-mini',
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'choices' => [
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['message' => ['content' => 'Success after retry'], 'finish_reason' => 'stop'],
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],
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'usage' => ['prompt_tokens' => 10, 'completion_tokens' => 5],
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], 200),
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]);
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$service = new OpenAIService('test-api-key');
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$response = $service->generate('System', 'User');
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$this->assertEquals('Success after retry', $response->content);
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}
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public function test_generate_throws_after_max_retries(): void
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{
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Http::fake([
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self::API_URL => Http::response(['error' => ['message' => 'Server error']], 500),
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]);
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$service = new OpenAIService('test-api-key');
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$this->expectException(RuntimeException::class);
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$service->generate('System', 'User');
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}
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// =========================================================================
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// Stream Tests
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// =========================================================================
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public function test_stream_is_generator(): void
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{
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// Create a simple SSE stream response
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$stream = "data: {\"choices\": [{\"delta\": {\"content\": \"Hello\"}}]}\n\n";
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$stream .= "data: {\"choices\": [{\"delta\": {\"content\": \" world\"}}]}\n\n";
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$stream .= "data: [DONE]\n\n";
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Http::fake([
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self::API_URL => Http::response($stream, 200, ['Content-Type' => 'text/event-stream']),
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]);
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$service = new OpenAIService('test-api-key');
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$generator = $service->stream('System', 'User');
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$this->assertInstanceOf(\Generator::class, $generator);
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}
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public function test_stream_sends_stream_flag(): void
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{
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Http::fake([
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self::API_URL => Http::response('', 200),
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]);
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$service = new OpenAIService('test-api-key');
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iterator_to_array($service->stream('System', 'User'));
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Http::assertSent(function ($request) {
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return $request->data()['stream'] === true;
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});
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}
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// =========================================================================
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// Response Handling Edge Cases
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// =========================================================================
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public function test_handles_empty_choices(): void
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{
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Http::fake([
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self::API_URL => Http::response([
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'model' => 'gpt-4o-mini',
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'choices' => [],
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'usage' => ['prompt_tokens' => 10, 'completion_tokens' => 0],
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], 200),
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]);
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$service = new OpenAIService('test-api-key');
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$response = $service->generate('System', 'User');
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$this->assertEquals('', $response->content);
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}
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public function test_handles_missing_usage_data(): void
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{
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Http::fake([
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self::API_URL => Http::response([
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'model' => 'gpt-4o-mini',
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'choices' => [
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['message' => ['content' => 'Response'], 'finish_reason' => 'stop'],
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],
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], 200),
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]);
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$service = new OpenAIService('test-api-key');
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$response = $service->generate('System', 'User');
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$this->assertEquals(0, $response->inputTokens);
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$this->assertEquals(0, $response->outputTokens);
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}
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public function test_handles_missing_finish_reason(): void
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{
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Http::fake([
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self::API_URL => Http::response([
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'model' => 'gpt-4o-mini',
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'choices' => [
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['message' => ['content' => 'Response']],
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],
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'usage' => ['prompt_tokens' => 10, 'completion_tokens' => 5],
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], 200),
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]);
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$service = new OpenAIService('test-api-key');
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$response = $service->generate('System', 'User');
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$this->assertNull($response->stopReason);
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}
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public function test_handles_null_content(): void
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{
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Http::fake([
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self::API_URL => Http::response([
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'model' => 'gpt-4o-mini',
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'choices' => [
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['message' => ['content' => null], 'finish_reason' => 'stop'],
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],
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'usage' => ['prompt_tokens' => 10, 'completion_tokens' => 0],
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], 200),
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]);
|
||
|
|
|
||
|
|
$service = new OpenAIService('test-api-key');
|
||
|
|
$response = $service->generate('System', 'User');
|
||
|
|
|
||
|
|
$this->assertEquals('', $response->content);
|
||
|
|
}
|
||
|
|
}
|