Function TestLoggerWrite_MultipleSessions

management/logger_test.go:45–93

Validate all sessions receive the same event

(t *testing.T)

// Validate all sessions receive the same event
func TestLoggerWrite_MultipleSessions(t *testing.T) {
	logger := NewLogger()
	zlog := zerolog.New(logger).With().Timestamp().Logger().Level(zerolog.InfoLevel)
	_, cancel := context.WithCancel(context.Background())
	defer cancel()

	session1 := newSession(logWindow, actor{}, cancel)
	logger.Listen(session1)
	defer logger.Remove(session1)
	assert.Equal(t, 1, logger.ActiveSessions())

	session2 := newSession(logWindow, actor{}, cancel)
	logger.Listen(session2)
	assert.Equal(t, 2, logger.ActiveSessions())

	zlog.Info().Int(EventTypeKey, int(HTTP)).Msg("hello")
	for _, session := range []*session{session1, session2} {
		select {
		case event := <-session.listener:
			assert.NotEmpty(t, event.Time)
			assert.Equal(t, "hello", event.Message)
			assert.Equal(t, Info, event.Level)
			assert.Equal(t, HTTP, event.Event)
		default:
			assert.Fail(t, "expected an event to be in the listener")
		}
	}

	// Close session2 and make sure session1 still receives events
	logger.Remove(session2)
	zlog.Info().Int(EventTypeKey, int(HTTP)).Msg("hello2")
	select {
	case event := <-session1.listener:
		assert.NotEmpty(t, event.Time)
		assert.Equal(t, "hello2", event.Message)
		assert.Equal(t, Info, event.Level)
		assert.Equal(t, HTTP, event.Event)
	default:
		assert.Fail(t, "expected an event to be in the listener")
	}

	// Make sure a held reference to session2 doesn't receive events after being closed
	select {
	case <-session2.listener:
		assert.Fail(t, "An event was not expected to be in the session listener")
	default:
		// pass
	}
}

type mockWriter struct {
	event *Log