proton-bridge/internal/transfer/provider_imap_test.go

101 lines
3.0 KiB
Go

// Copyright (c) 2021 Proton Technologies AG
//
// This file is part of ProtonMail Bridge.
//
// ProtonMail 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.
//
// ProtonMail 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 ProtonMail Bridge. If not, see <https://www.gnu.org/licenses/>.
package transfer
import (
"fmt"
"testing"
"github.com/emersion/go-imap"
gomock "github.com/golang/mock/gomock"
"github.com/pkg/errors"
r "github.com/stretchr/testify/require"
)
func newTestIMAPProvider(t *testing.T, m mocks) *IMAPProvider {
m.imapClientProvider.EXPECT().State().Return(imap.ConnectedState).AnyTimes()
m.imapClientProvider.EXPECT().Capability().Return(map[string]bool{
"AUTH": true,
}, nil).AnyTimes()
dialer := func(string) (IMAPClientProvider, error) {
return m.imapClientProvider, nil
}
provider, err := newIMAPProvider(dialer, "user", "pass", "host", "42")
r.NoError(t, err)
return provider
}
func TestProviderIMAPLoadMessagesInfo(t *testing.T) {
m := initMocks(t)
defer m.ctrl.Finish()
provider := newTestIMAPProvider(t, m)
progress := newProgress(log, nil)
drainProgressUpdateChannel(&progress)
rule := &Rule{SourceMailbox: Mailbox{Name: "Mailbox"}}
uidValidity := 1
count := 2200
failingIndex := 2100
m.imapClientProvider.EXPECT().Select(rule.SourceMailbox.Name, gomock.Any()).Return(&imap.MailboxStatus{}, nil).AnyTimes()
m.imapClientProvider.EXPECT().
Fetch(gomock.Any(), gomock.Any(), gomock.Any()).
DoAndReturn(func(seqSet *imap.SeqSet, items []imap.FetchItem, ch chan *imap.Message) error {
defer close(ch)
for _, seq := range seqSet.Set {
for i := seq.Start; i <= seq.Stop; i++ {
if int(i) == failingIndex {
return errors.New("internal server error")
}
ch <- &imap.Message{
SeqNum: i,
Uid: i * 10,
Size: i * 100,
}
}
}
return nil
}).
// 2200 messages is split into two batches (2000 and 200),
// the second one fails and makes 200 calls (one-by-one).
// Plus two failed requests are repeated `imapRetries` times.
Times(2 + 200 + (2 * (imapRetries - 1)))
messageInfo := provider.loadMessagesInfo(rule, &progress, uint32(uidValidity), uint32(count))
r.Equal(t, count-1, len(messageInfo)) // One message produces internal server error.
for index := 1; index <= count; index++ {
uid := index * 10
key := fmt.Sprintf("%s_%d:%d", rule.SourceMailbox.Name, uidValidity, uid)
if index == failingIndex {
r.Empty(t, messageInfo[key])
continue
}
r.Equal(t, imapMessageInfo{
id: key,
uid: uint32(uid),
size: uint32(index * 100),
}, messageInfo[key])
}
}