Feat: add storage interface; add sqlite impl

storage/storage_test.go

@@ -0,0 +1,88 @@
+package storage
+
+import (
+	"elefant/models"
+	"testing"
+	"time"
+
+	_ "github.com/glebarez/go-sqlite"
+	"github.com/jmoiron/sqlx"
+)
+
+func TestChatHistory(t *testing.T) {
+	// Create an in-memory SQLite database
+	db, err := sqlx.Open("sqlite", ":memory:")
+	if err != nil {
+		t.Fatalf("Failed to open SQLite in-memory database: %v", err)
+	}
+	defer db.Close()
+	// Create the chat table
+	_, err = db.Exec(`
+		CREATE TABLE chat (
+	    id INTEGER PRIMARY KEY AUTOINCREMENT,
+	    name TEXT NOT NULL,
+	    msgs TEXT NOT NULL,  -- Store messages as a comma-separated string
+	    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+	    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+		);`)
+	if err != nil {
+		t.Fatalf("Failed to create chat table: %v", err)
+	}
+	// Initialize the ProviderSQL struct
+	provider := ProviderSQL{db: db}
+	// List chats (should be empty)
+	chats, err := provider.ListChats()
+	if err != nil {
+		t.Fatalf("Failed to list chats: %v", err)
+	}
+	if len(chats) != 0 {
+		t.Errorf("Expected 0 chats, got %d", len(chats))
+	}
+	// Upsert a chat
+	chat := &models.Chat{
+		ID:        1,
+		Name:      "Test Chat",
+		Msgs:      "Hello World",
+		CreatedAt: time.Now(),
+		UpdatedAt: time.Now(),
+	}
+	updatedChat, err := provider.UpsertChat(chat)
+	if err != nil {
+		t.Fatalf("Failed to upsert chat: %v", err)
+	}
+	if updatedChat == nil {
+		t.Errorf("Expected non-nil chat after upsert")
+	}
+	// Get chat by ID
+	fetchedChat, err := provider.GetChatByID(chat.ID)
+	if err != nil {
+		t.Fatalf("Failed to get chat by ID: %v", err)
+	}
+	if fetchedChat == nil {
+		t.Errorf("Expected non-nil chat after get")
+	}
+	if fetchedChat.Name != chat.Name {
+		t.Errorf("Expected chat name %s, got %s", chat.Name, fetchedChat.Name)
+	}
+	// List chats (should contain the upserted chat)
+	chats, err = provider.ListChats()
+	if err != nil {
+		t.Fatalf("Failed to list chats: %v", err)
+	}
+	if len(chats) != 1 {
+		t.Errorf("Expected 1 chat, got %d", len(chats))
+	}
+	// Remove chat
+	err = provider.RemoveChat(chat.ID)
+	if err != nil {
+		t.Fatalf("Failed to remove chat: %v", err)
+	}
+	// List chats (should be empty again)
+	chats, err = provider.ListChats()
+	if err != nil {
+		t.Fatalf("Failed to list chats: %v", err)
+	}
+	if len(chats) != 0 {
+		t.Errorf("Expected 0 chats, got %d", len(chats))
+	}
+}