first commit

store/test/store.go

@@ -0,0 +1,111 @@
+package test
+
+import (
+	"context"
+	"fmt"
+	"net"
+	"os"
+	"testing"
+
+	// sqlite driver.
+	_ "modernc.org/sqlite"
+
+	"github.com/joho/godotenv"
+
+	"github.com/usememos/memos/internal/profile"
+	"github.com/usememos/memos/internal/version"
+	"github.com/usememos/memos/store"
+	"github.com/usememos/memos/store/db"
+)
+
+// NewTestingStore creates a new testing store with a fresh database.
+// Each test gets its own isolated database:
+//   - SQLite: new temp file per test
+//   - MySQL/PostgreSQL: new database per test in shared container
+func NewTestingStore(ctx context.Context, t *testing.T) *store.Store {
+	driver := getDriverFromEnv()
+	profile := getTestingProfileForDriver(t, driver)
+	dbDriver, err := db.NewDBDriver(profile)
+	if err != nil {
+		t.Fatalf("failed to create db driver: %v", err)
+	}
+
+	store := store.New(dbDriver, profile)
+	if err := store.Migrate(ctx); err != nil {
+		t.Fatalf("failed to migrate db: %v", err)
+	}
+	return store
+}
+
+// NewTestingStoreWithDSN creates a testing store connected to a specific DSN.
+// This is useful for testing migrations on existing data.
+func NewTestingStoreWithDSN(_ context.Context, t *testing.T, driver, dsn string) *store.Store {
+	profile := &profile.Profile{
+		Port:    getUnusedPort(),
+		Data:    t.TempDir(), // Dummy dir, DSN matters
+		DSN:     dsn,
+		Driver:  driver,
+		Version: version.GetCurrentVersion(),
+	}
+	dbDriver, err := db.NewDBDriver(profile)
+	if err != nil {
+		t.Fatalf("failed to create db driver: %v", err)
+	}
+
+	store := store.New(dbDriver, profile)
+	// Do not run Migrate() automatically, as we might be testing pre-migration state
+	// or want to run it manually.
+	return store
+}
+
+func getUnusedPort() int {
+	// Get a random unused port
+	listener, err := net.Listen("tcp", "localhost:0")
+	if err != nil {
+		panic(err)
+	}
+	defer listener.Close()
+
+	// Get the port number
+	port := listener.Addr().(*net.TCPAddr).Port
+	return port
+}
+
+// getTestingProfileForDriver creates a testing profile for a specific driver.
+func getTestingProfileForDriver(t *testing.T, driver string) *profile.Profile {
+	// Attempt to load .env file if present (optional, for local development)
+	_ = godotenv.Load(".env")
+
+	// Get a temporary directory for the test data.
+	dir := t.TempDir()
+	mode := "prod"
+	port := getUnusedPort()
+
+	var dsn string
+	switch driver {
+	case "sqlite":
+		dsn = fmt.Sprintf("%s/memos_%s.db", dir, mode)
+	case "mysql":
+		dsn = GetMySQLDSN(t)
+	case "postgres":
+		dsn = GetPostgresDSN(t)
+	default:
+		t.Fatalf("unsupported driver: %s", driver)
+	}
+
+	return &profile.Profile{
+		Port:    port,
+		Data:    dir,
+		DSN:     dsn,
+		Driver:  driver,
+		Version: version.GetCurrentVersion(),
+	}
+}
+
+func getDriverFromEnv() string {
+	driver := os.Getenv("DRIVER")
+	if driver == "" {
+		driver = "sqlite"
+	}
+	return driver
+}