Files
proton-bridge/internal/services/userevents/subscriber_test.go
2025-01-02 14:03:49 +01:00

106 lines
2.6 KiB
Go

// Copyright (c) 2025 Proton AG
//
// This file is part of Proton Mail Bridge.
//
// Proton Mail Bridge is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Proton Mail Bridge is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
package userevents
import (
"context"
"errors"
"fmt"
"sync"
"testing"
"time"
"github.com/stretchr/testify/require"
)
func TestChanneledSubscriber_CtxTimeoutDoesNotBlockFutureEvents(t *testing.T) {
wg := sync.WaitGroup{}
wg.Add(1)
subscriber := newChanneledSubscriber[int]("test")
defer subscriber.close()
go func() {
defer wg.Done()
// Send one event, that succeeds.
require.NoError(t, subscriber.handle(context.Background(), 30))
// Add an impossible deadline that fails immediately to simulate on event taking too long to send.
ctx, cancel := context.WithDeadline(context.Background(), time.Now().Add(time.Microsecond))
defer cancel()
err := subscriber.handle(ctx, 20)
require.Error(t, err)
require.True(t, errors.Is(err, context.DeadlineExceeded))
}()
// Receive first event. Notify success.
event, ok := <-subscriber.OnEventCh()
require.True(t, ok)
event.Consume(func(event int) error {
require.Equal(t, 30, event)
return nil
})
wg.Wait()
// Simulate reception of another event
wg.Add(1)
go func() {
defer wg.Done()
require.NoError(t, subscriber.handle(context.Background(), 40))
}()
event, ok = <-subscriber.OnEventCh()
require.True(t, ok)
event.Consume(func(event int) error {
require.Equal(t, 40, event)
return nil
})
wg.Wait()
}
func TestChanneledSubscriber_ErrorReported(t *testing.T) {
wg := sync.WaitGroup{}
wg.Add(1)
subscriber := newChanneledSubscriber[int]("test")
defer subscriber.close()
reportedErr := fmt.Errorf("request failed")
go func() {
defer wg.Done()
// Send one event, that succeeds.
err := subscriber.handle(context.Background(), 30)
require.Error(t, err)
require.Equal(t, reportedErr, err)
}()
// Receive first event. Notify success.
event, ok := <-subscriber.OnEventCh()
require.True(t, ok)
event.Consume(func(event int) error {
require.Equal(t, 30, event)
return reportedErr
})
wg.Wait()
}