forked from Silverfish/proton-bridge
67 lines
1.8 KiB
Go
67 lines
1.8 KiB
Go
// Copyright (c) 2023 Proton AG
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//
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// This file is part of Proton Mail Bridge.
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//
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// Proton Mail Bridge is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Proton Mail Bridge is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
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package ports
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import (
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"net"
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"strconv"
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"testing"
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"github.com/stretchr/testify/require"
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)
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const testPort = 18080
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func TestFreePort(t *testing.T) {
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require.True(t, IsPortFree(testPort), "port should be empty")
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}
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func TestOccupiedPort(t *testing.T) {
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dummyServer, err := net.Listen("tcp", ":"+strconv.Itoa(testPort))
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require.NoError(t, err)
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require.True(t, !IsPortFree(testPort), "port should be occupied")
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_ = dummyServer.Close()
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}
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func TestFindFreePortFromDirectly(t *testing.T) {
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foundPort := FindFreePortFrom(testPort)
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require.Equal(t, testPort, foundPort)
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}
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func TestFindFreePortFromNextOne(t *testing.T) {
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dummyServer, err := net.Listen("tcp", ":"+strconv.Itoa(testPort))
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require.NoError(t, err)
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foundPort := FindFreePortFrom(testPort)
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require.Equal(t, testPort+1, foundPort)
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_ = dummyServer.Close()
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}
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func TestFindFreePortExcluding(t *testing.T) {
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dummyServer, err := net.Listen("tcp", ":"+strconv.Itoa(testPort))
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require.NoError(t, err)
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foundPort := FindFreePortFrom(testPort, testPort+1, testPort+2)
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require.Equal(t, testPort+3, foundPort)
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_ = dummyServer.Close()
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}
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