feat: add broadcast session tracking and chatlog service with database migrations

videochat/sessions_test.go

@@ -0,0 +1,61 @@
+package videochat
+
+import (
+	"context"
+	"testing"
+)
+
+func TestBroadcastSessionLifecycle(t *testing.T) {
+	ctx := context.Background()
+
+	// 1. Log OPEN
+	err := logBroadcastSession(ctx, "test-owner", "test-sid-1", "test-room", "OPEN")
+	if err != nil {
+		t.Fatalf("failed to log OPEN: %v", err)
+	}
+
+	// 2. Duplicate OPEN should be ignored (idempotent)
+	err = logBroadcastSession(ctx, "test-owner", "test-sid-1", "test-room", "OPEN")
+	if err != nil {
+		t.Fatalf("failed on duplicate OPEN: %v", err)
+	}
+
+	var openCount int
+	err = db.QueryRow(ctx, "SELECT count(*) FROM broadcast_sessions WHERE sid = $1 AND action = 'OPEN'", "test-sid-1").Scan(&openCount)
+	if err != nil || openCount != 1 {
+		t.Fatalf("expected exactly 1 OPEN record, got %d (err: %v)", openCount, err)
+	}
+
+	// 3. Log CLOSE
+	err = logBroadcastSession(ctx, "test-owner", "test-sid-1", "test-room", "CLOSE")
+	if err != nil {
+		t.Fatalf("failed to log CLOSE: %v", err)
+	}
+
+	// 4. Duplicate CLOSE should be ignored
+	err = logBroadcastSession(ctx, "test-owner", "test-sid-1", "test-room", "CLOSE")
+	if err != nil {
+		t.Fatalf("failed on duplicate CLOSE: %v", err)
+	}
+
+	var closeCount int
+	err = db.QueryRow(ctx, "SELECT count(*) FROM broadcast_sessions WHERE sid = $1 AND action = 'CLOSE'", "test-sid-1").Scan(&closeCount)
+	if err != nil || closeCount != 1 {
+		t.Fatalf("expected exactly 1 CLOSE record, got %d (err: %v)", closeCount, err)
+	}
+
+	// 5. Test syncClosedSessions
+	err = logBroadcastSession(ctx, "test-owner-2", "test-sid-orphan", "test-room-2", "OPEN")
+	if err != nil {
+		t.Fatalf("failed to log orphan OPEN: %v", err)
+	}
+
+	// Active SIDs does not contain test-sid-orphan -> should be automatically closed
+	syncClosedSessions(ctx, map[string]bool{"other-sid": true})
+
+	var orphanCloseCount int
+	err = db.QueryRow(ctx, "SELECT count(*) FROM broadcast_sessions WHERE sid = $1 AND action = 'CLOSE'", "test-sid-orphan").Scan(&orphanCloseCount)
+	if err != nil || orphanCloseCount != 1 {
+		t.Fatalf("expected syncClosedSessions to create CLOSE record, got %d (err: %v)", orphanCloseCount, err)
+	}
+}