Initial implementation of Codex Helper

backend/internal/store/store_test.go

@@ -0,0 +1,57 @@
+package store
+
+import (
+	"context"
+	"database/sql"
+	"path/filepath"
+	"testing"
+
+	_ "modernc.org/sqlite"
+)
+
+func TestSettings(t *testing.T) {
+	s, e := Open(t.TempDir())
+	if e != nil {
+		t.Fatal(e)
+	}
+	defer s.DB.Close()
+	if s.Initialized() {
+		t.Fatal("fresh DB initialized")
+	}
+	if e = s.Set("initialized", "true"); e != nil {
+		t.Fatal(e)
+	}
+	if !s.Initialized() {
+		t.Fatal("setting not persisted")
+	}
+}
+
+func TestBackupIncludesCommittedWALData(t *testing.T) {
+	dir := t.TempDir()
+	s, err := Open(dir)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer s.DB.Close()
+
+	if err = s.Set("latest", "committed-in-wal"); err != nil {
+		t.Fatal(err)
+	}
+	backupPath := filepath.Join(dir, "snapshot.db")
+	if err = s.Backup(context.Background(), backupPath); err != nil {
+		t.Fatal(err)
+	}
+
+	snapshot, err := sql.Open("sqlite", backupPath)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer snapshot.Close()
+	var value string
+	if err = snapshot.QueryRow("SELECT value FROM settings WHERE key='latest'").Scan(&value); err != nil {
+		t.Fatal(err)
+	}
+	if value != "committed-in-wal" {
+		t.Fatalf("backup value = %q", value)
+	}
+}