AI Framework Foundation

Tests/ChatCompletionsTest.php

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+<?php
+
+require_once '../vendor/autoload.php';
+
+use Joomla\AI\Provider\OpenAIProvider;
+
+echo "Testing Real OpenAI API Calls...\n\n";
+
+$configFile = __DIR__ . '/../config.json';
+$config = json_decode(file_get_contents($configFile), true);
+$api_key = $config['openai_api_key'] ?? null;
+
+try {
+    // Create provider with your API key
+    $provider = new OpenAIProvider([
+        'api_key' => $api_key
+    ]);
+
+    echo "Provider created with API key\n";
+    echo "Provider name: " . $provider->getName() . "\n\n";
+
+    // To Do: Check if the provider is supported. Currently key set as env variables only
+    // if (!OpenAIProvider::isSupported()) {
+    //     throw new \Exception('OpenAI API is not supported or API key is missing.');
+    // }
+
+    // Test 1: Simple prompt
+    echo "Test 1: Simple prompt\n";
+    echo str_repeat('-', 50) . "\n";
+
+    $response = $provider->chat("Hello! How are you?");
+
+    echo "API call successful!\n";
+    echo "Response: " . $response->getContent() . "\n";
+    echo "Provider: " . $response->getProvider() . "\n";
+    echo "Status: " . $response->getStatusCode() . "\n";
+
+    $metadata = $response->getMetadata();
+    if (!empty($metadata)) {
+        echo "Model used: " . ($metadata['model']) . "\n";
+        if (isset($metadata['usage'])) {
+            echo "Tokens used: " . ($metadata['usage']['total_tokens']) . "\n";
+        }
+    }
+    echo "\n";
+
+    // Test 2: Multiple Response Choices (n parameter)
+    echo "Test 2: Multiple Response Choices (n parameter)\n";
+    echo str_repeat('-', 50) . "\n";
+    $response = $provider->chat("Suggest a name for a movie based on pilots and astronauts", [
+        'n' => 3,
+    ]);
+    echo "Model: " . $response->getMetadata()['model'] . "\n";
+    echo "Response: " . $response->getContent() . "\n";
+
+    $metadata = $response->getMetadata();
+    if (isset($metadata['choices']) && is_array($metadata['choices'])) {
+        echo "Number of choices returned: " . count($metadata['choices']) . "\n";
+        for ($i = 0; $i < count($metadata['choices']); $i++) {
+            echo "Choice " . ($i + 1) . ": " . ($metadata['choices'][$i]['message']['content'] ?? 'No content') . "\n";
+        }
+    } else {
+        echo "Expected multiple choices but got single response. Check OpenAI provider implementation.\n";
+    }
+    echo "\n";
+
+    // Test 3:Test chat completions audio capability
+    echo "Test 3: Test chat completions audio capability\n";
+    echo str_repeat('-', 50) . "\n";
+    $response = $provider->chat("Say a few words on Joomla! for about 30 seconds in english.", [
+        'model' => 'gpt-4o-audio-preview',
+        'modalities' => ['text', 'audio'],
+        'audio' => [
+            'voice' => 'alloy',
+            'format' => 'wav'
+        ],
+    ]);
+
+    $metadata = $response->getMetadata();
+    $debugFile = "output/full_audio_response_structure.json";
+    $fullStructure = [
+        'response_class' => get_class($response),
+        'content' => $response->getContent(),
+        'status_code' => $response->getStatusCode(),
+        'provider' => $response->getProvider(),
+        'metadata' => $metadata
+    ];
+    file_put_contents($debugFile, json_encode($fullStructure, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES));
+    echo "Full response structure saved to: $debugFile\n";
+
+    if (isset($metadata['choices'][0]['message']['audio']['data'])) {
+        $audioData = $metadata['choices'][0]['message']['audio']['data'];
+        $audioDatab64 = base64_decode($audioData, true);
+        $audioFile = file_put_contents("output/chat_completions_audio.wav", $audioDatab64);
+        echo "Audio file found and saved to: \"output/chat_completions_audio.wav\".\n";
+    } else {
+        echo "Audio file not found.\n";
+    }
+    echo "\n";
+
+    echo "\n" . str_repeat('=', 60) . "\n";
+    echo "All Chat Completions API tests completed successfully!\n";
+} catch (Exception $e) {
+    echo "Error: " . $e->getMessage() . "\n";
+}

Tests/DefaultModels.php

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+<?php
+
+require_once '../vendor/autoload.php';
+
+use Joomla\AI\Provider\OpenAIProvider;
+
+echo "Testing Real OpenAI API Calls...\n\n";
+
+$configFile = __DIR__ . '/../config.json';
+$config = json_decode(file_get_contents($configFile), true);
+$api_key = $config['openai_api_key'] ?? null;
+
+try {
+    // Create provider with your API key
+    $provider = new OpenAIProvider([
+        'api_key' => $api_key
+    ]);
+
+    echo "Provider created with API key\n";
+    echo "Provider name: " . $provider->getName() . "\n\n";
+
+    // To Do: Check if the provider is supported. Currently key set as env variables only
+    // // if (!OpenAIProvider::isSupported()) {
+    //     throw new \Exception('OpenAI API is not supported or API key is missing.');
+    // }
+
+    // Set default model for all subsequent calls
+    $provider->setDefaultModel('gpt-3.5-turbo');
+    echo "Default model: " . $provider->getDefaultModel() . "\n\n";
+
+    // Test 1: Will use default model since ('gpt-3.5-turbo')
+    // no model is specified in the options 
+    // and the default model is set
+    echo "Test 1: Simple prompt- Will use default model gpt-3.5-turbo\n";
+    echo str_repeat('-', 50) . "\n";
+    $response = $provider->chat("Hello! How are you?");
+    echo "Model: " . $response->getMetadata()['model'] . "\n";
+    echo "Response: " . $response->getContent() . "\n";
+    echo "\n";
+
+    // Test 2: Will use default model for the next call again since ('gpt-3.5-turbo')
+    // no model is specified in the options 
+    // and the default model is set
+    echo "Test 2: Multiple Response Choices- Will use default model gpt-3.5-turbo\n";
+    echo str_repeat('-', 50) . "\n";
+
+    $response = $provider->chat("Suggest a name for a movie based on pilots and astronauts");
+    echo "Model: " . $response->getMetadata()['model'] . "\n";
+    echo "Response: " . $response->getContent() . "\n";
+    echo "\n";
+
+    // Test 3: This will override the default model since 
+    // model is specified in the options ('gpt-4o-audio-preview')
+    echo "Test 3: Test chat completions audio capability- Will override the default and use gpt-4o-audio-preview model\n";
+    echo str_repeat('-', 50) . "\n";
+    $response = $provider->chat("Say a few words on Joomla! for about 30 seconds in english.", [
+        'model' => 'gpt-4o-audio-preview',
+        'modalities' => ['text', 'audio'],
+        'audio' => [
+            'voice' => 'alloy',
+            'format' => 'wav'
+        ],
+    ]);
+
+    $metadata = $response->getMetadata();
+    echo "Model: " . $response->getMetadata()['model'] . "\n";
+    if (isset($metadata['choices'][0]['message']['audio']['data'])) {
+        $audioData = $metadata['choices'][0]['message']['audio']['data'];
+        $audioDatab64 = base64_decode($audioData, true);
+        $audioFile = file_put_contents("output/chat_completions_audio.wav", $audioDatab64);
+        echo "Audio file found and saved to: \"output/chat_completions_audio.wav\".\n";
+    } else {
+        echo "Audio file not found.\n";
+    }
+    echo "\n";
+
+    // Test 4: Will use default model for the next call again since ('gpt-3.5-turbo')
+    // no model is specified in the options 
+    // and the default model was never unset
+    echo "Test 4: Simple prompt- Will use default model gpt-3.5-turbo because default model was not unset\n";
+    echo str_repeat('-', 50) . "\n";
+
+    $response = $provider->chat("What is the capital of France?");
+    echo "Model: " . $response->getMetadata()['model'] . "\n";
+    echo "Response: " . $response->getContent() . "\n";
+    echo "\n";
+
+    // Unset default model
+    $provider->unsetDefaultModel();
+    echo "Default model unset\n\n";
+
+    // Test 5: Uses method's default 
+    // (no model in options, 
+    // no default model, 
+    // no config model)
+    echo "Test 5: generateImage with method's default model (should use 'dall-e-2')\n";
+    echo str_repeat('-', 50) . "\n";
+
+    $response = $provider->generateImage("Generate an image of a dog playing chess.");
+    $response->saveFile("output/test5_image.png");
+
+    echo "Model: " . ($response->getMetadata()['model']) . "\n";
+    echo "File saved to: output/test5_image.png\n";
+    echo "\n";
+
+    // Test 6: Uses provider's config default 
+    // (no model in options, 
+    // no default model, 
+    // config has model)
+    $providerWithConfig = new OpenAIProvider([
+        'api_key' => $api_key,
+        'model' => 'dall-e-3' // Set default model in config
+    ]);
+
+    echo "Test 6: generateImage with provider's config default model (should use 'dall-e-3')\n";
+    echo str_repeat('-', 50) . "\n";
+    $response = $providerWithConfig->generateImage("Generate an image of gray tabby cat hugging an otter with an orange scarf. Make it look realistic.");
+
+    $response->saveFile("output/test6_image.png");
+    echo "Model: " . ($response->getMetadata()['model']) . "\n";
+    echo "File saved to: output/test6_image.png\n";
+    echo "\n";
+
+    echo "\n" . str_repeat('=', 60) . "\n";
+    echo "All Chat Completions API tests completed successfully!\n";
+} catch (Exception $e) {
+    echo "Error: " . $e->getMessage() . "\n";
+}

Tests/DefaultsTest.php

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+<?php
+
+require_once '../vendor/autoload.php';
+
+use Joomla\AI\Provider\OpenAIProvider;
+
+$configFile = __DIR__ . '/../config.json';
+$config = json_decode(file_get_contents($configFile), true);
+$api_key = $config['openai_api_key'] ?? null;
+$gpt_image_model_key = $config['gpt_image_model_key'];
+$base_url = $config['openai_base_url'];
+
+try {
+    $provider = new OpenAIProvider([
+        'api_key' => $api_key,
+    ]);
+
+    // ===========================================
+    // Basic Chat Tests
+    // ===========================================
+
+    // Test 1: Basic Prompt Testing
+    echo "Test 1: Basic Prompt Testing\n";
+    echo str_repeat("-", 40) . "\n";
+
+    $response1 = $provider->chat("Hi, Can you write a paragraph on the importance of AI in modern technology?");
+    echo $response1->getContent();
+    $response1->saveFile('output/chat.txt');
+
+    echo "\n" . str_repeat("=", 50) . "\n";
+
+    // ===========================================
+    // Image Generation Tests
+    // ===========================================
+
+    // Test 2: Basic Image Generation
+    echo "Test 2: Basic Image Generation\n";
+    echo str_repeat("-", 40) . "\n";
+
+    $response2 = $provider->generateImage("Please generate an image for my blog post about my mount fuji hiking trip");
+    $response2->saveFile('output/mount_fuji.png');
+
+    echo "\n" . str_repeat("=", 50) . "\n";
+
+    // Test 3: DALL-E 3 with URL response
+    echo "Test 3: DALL-E 3 with URL response...\n";
+    echo str_repeat("-", 40) . "\n";
+
+    $response3 = $provider->generateImage(
+        "Can you generate an image of a slice of pizza riding a bicycle for my shopping website?", 
+        [
+            'model' => 'dall-e-2',
+            'response_format' => 'url',
+            'n' => 3,
+        ]
+    );
+    $response3->saveFile('output/thin_pizza.txt');
+
+    echo "\n" . str_repeat("=", 50) . "\n\n";
+
+    // ===========================================
+    // Speech Generation Tests
+    // ===========================================
+
+    // Test 4: Basic Speech Generation
+    echo "Test 4: Basic Speech Generation\n";
+    echo str_repeat("-", 40) . "\n";
+
+    $text = "Hello world! This is a test of the OpenAI text-to-speech capability.";
+
+    $response4 = $provider->speech($text);
+    $response4->saveFile('output/speech_4.mp3');
+
+    echo str_repeat("=", 50) . "\n\n";
+
+    // ===========================================
+    // Transcription Tests
+    // ===========================================
+
+    // Test 5: Basic Transcription
+    echo "Test 5: Basic Transcription \n";
+    echo str_repeat("-", 40) . "\n";
+
+    $audioFile = 'test_files/test_audio.wav';
+
+    $response5 = $provider->transcribe($audioFile);
+    $response5->getContent();
+    $response5->saveFile('output/transcribed.txt');
+
+    echo str_repeat("=", 50) . "\n\n";
+
+    // ===========================================
+    // Translation Tests
+    // ===========================================
+
+    // Test 6: Basic Translation
+    echo "Test 6: Basic Translation \n";
+    echo str_repeat("-", 40) . "\n";
+
+    $testAudioFile = 'test_files/test_german_audio.wav';
+
+    $response6 = $provider->translate($testAudioFile);
+    echo $response6->getContent();
+    $response6->saveFile('output/translated.txt');
+
+    echo "\n" . str_repeat("=", 50) . "\n\n";
+
+    echo "=== All Tests Completed Successfully! ===\n";
+
+} catch (Exception $e) {
+    echo "Error: " . $e->getMessage() . "\n";
+}