docs: add comprehensive README and project scaffolding

- README completo con istruzioni di installazione, configurazione e utilizzo
- API Swagger/OpenAPI documentata
- File env.example con variabili di configurazione
- Dockerfile multi-stage ottimizzato
- Docker Compose con Ollama e LLM Monitor
- Struttura completa dell'app FastAPI (main.py, config, api routes)
- Servizio client Ollama reusabile
- Dashboard web HTML con TailwindCSS
- Test suite con pytest
- Makefile per comandi comuni
- CONTRIBUTING.md per i contributori
- LICENSE MIT
- .editorconfig e .dockerignore
- requirements.txt e requirements-dev.txt

tests/test_ollama.py

@@ -0,0 +1,122 @@
+"""
+Test Ollama client service
+"""
+
+import pytest
+from unittest.mock import patch, MagicMock
+from app.services.ollama import OllamaClient
+
+@pytest.fixture
+def ollama_client():
+    """Create OllamaClient instance"""
+    return OllamaClient(host="http://localhost:11434", timeout=30)
+
+def test_get_models(ollama_client):
+    """Test getting models from Ollama"""
+    mock_data = {
+        "models": [
+            {"name": "llama2", "digest": "abc123", "size": 3825922048},
+            {"name": "mistral", "digest": "def456", "size": 4096000000}
+        ]
+    }
+    
+    with patch("requests.get") as mock_get:
+        mock_response = MagicMock()
+        mock_response.status_code = 200
+        mock_response.json.return_value = mock_data
+        mock_get.return_value = mock_response
+        
+        models = ollama_client.get_models()
+        assert len(models) == 2
+        assert models[0]["name"] == "llama2"
+
+def test_get_models_error(ollama_client):
+    """Test get models when error occurs"""
+    with patch("requests.get") as mock_get:
+        mock_get.side_effect = Exception("Connection error")
+        
+        models = ollama_client.get_models()
+        assert models == []
+
+def test_get_model(ollama_client):
+    """Test getting specific model"""
+    mock_data = {
+        "models": [
+            {"name": "llama2", "digest": "abc123", "size": 3825922048}
+        ]
+    }
+    
+    with patch("requests.get") as mock_get:
+        mock_response = MagicMock()
+        mock_response.status_code = 200
+        mock_response.json.return_value = mock_data
+        mock_get.return_value = mock_response
+        
+        model = ollama_client.get_model("llama2")
+        assert model is not None
+        assert model["name"] == "llama2"
+
+def test_get_nonexistent_model(ollama_client):
+    """Test getting nonexistent model"""
+    mock_data = {"models": []}
+    
+    with patch("requests.get") as mock_get:
+        mock_response = MagicMock()
+        mock_response.status_code = 200
+        mock_response.json.return_value = mock_data
+        mock_get.return_value = mock_response
+        
+        model = ollama_client.get_model("nonexistent")
+        assert model is None
+
+def test_is_available(ollama_client):
+    """Test checking if Ollama is available"""
+    with patch("requests.get") as mock_get:
+        mock_response = MagicMock()
+        mock_response.status_code = 200
+        mock_get.return_value = mock_response
+        
+        assert ollama_client.is_available() is True
+
+def test_is_available_offline(ollama_client):
+    """Test checking if Ollama is available when offline"""
+    with patch("requests.get") as mock_get:
+        mock_get.side_effect = Exception("Connection refused")
+        
+        assert ollama_client.is_available() is False
+
+def test_pull_model(ollama_client):
+    """Test pulling a model"""
+    with patch("requests.post") as mock_post:
+        mock_response = MagicMock()
+        mock_response.status_code = 200
+        mock_post.return_value = mock_response
+        
+        result = ollama_client.pull_model("llama2")
+        assert result is True
+
+def test_pull_model_error(ollama_client):
+    """Test pull model when error occurs"""
+    with patch("requests.post") as mock_post:
+        mock_post.side_effect = Exception("Error")
+        
+        result = ollama_client.pull_model("llama2")
+        assert result is False
+
+def test_delete_model(ollama_client):
+    """Test deleting a model"""
+    with patch("requests.delete") as mock_delete:
+        mock_response = MagicMock()
+        mock_response.status_code = 204
+        mock_delete.return_value = mock_response
+        
+        result = ollama_client.delete_model("llama2")
+        assert result is True
+
+def test_delete_model_error(ollama_client):
+    """Test delete model when error occurs"""
+    with patch("requests.delete") as mock_delete:
+        mock_delete.side_effect = Exception("Error")
+        
+        result = ollama_client.delete_model("llama2")
+        assert result is False