[feature] migrate to monorepo

backend/internal/testutil/db.go

@@ -0,0 +1,57 @@
+package testutil
+
+import (
+	"context"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"entgo.io/ent/dialect"
+	"github.com/mattn/go-sqlite3"
+	"github.com/stretchr/testify/require"
+
+	"tss-rocks-be/ent"
+)
+
+// SetupTestDB creates a new test database and returns a client
+func SetupTestDB(t *testing.T) *ent.Client {
+	// Create a temporary SQLite database for testing
+	dir := t.TempDir()
+	dbPath := filepath.Join(dir, "test.db")
+	
+	client, err := ent.Open(dialect.SQLite, "file:"+dbPath+"?mode=memory&cache=shared&_fk=1")
+	require.NoError(t, err)
+
+	// Run the auto migration tool
+	err = client.Schema.Create(context.Background())
+	require.NoError(t, err)
+
+	// Clean up the database after the test
+	t.Cleanup(func() {
+		client.Close()
+		os.Remove(dbPath)
+	})
+
+	return client
+}
+
+// CleanupTestDB removes all data from the test database
+func CleanupTestDB(t *testing.T, client *ent.Client) {
+	ctx := context.Background()
+	
+	// Delete all data in reverse order of dependencies
+	_, err := client.Permission.Delete().Exec(ctx)
+	require.NoError(t, err)
+
+	_, err = client.Role.Delete().Exec(ctx)
+	require.NoError(t, err)
+
+	_, err = client.User.Delete().Exec(ctx)
+	require.NoError(t, err)
+}
+
+// IsSQLiteConstraintError checks if the error is a SQLite constraint error
+func IsSQLiteConstraintError(err error) bool {
+	sqliteErr, ok := err.(sqlite3.Error)
+	return ok && sqliteErr.Code == sqlite3.ErrConstraint
+}