store: migration 0013 — alerts.last_seen_at

internal/store/migrate_test.go

@@ -0,0 +1,33 @@
+package store
+
+import (
+	"context"
+	"path/filepath"
+	"testing"
+)
+
+func TestMigration0013AlertsLastSeen(t *testing.T) {
+	t.Parallel()
+	dir := t.TempDir()
+	st, err := Open(context.Background(), filepath.Join(dir, "rm.db"))
+	if err != nil {
+		t.Fatalf("open: %v", err)
+	}
+	defer st.Close()
+
+	// Column must exist after migration. Best signal: PRAGMA table_info.
+	rows, err := st.DB().Query(`SELECT name FROM pragma_table_info('alerts')`)
+	if err != nil {
+		t.Fatalf("pragma: %v", err)
+	}
+	defer rows.Close()
+	cols := map[string]bool{}
+	for rows.Next() {
+		var n string
+		_ = rows.Scan(&n)
+		cols[n] = true
+	}
+	if !cols["last_seen_at"] {
+		t.Fatalf("alerts.last_seen_at not present after migration; cols=%v", cols)
+	}
+}