forked from Silverfish/proton-bridge
f3c69faf8b
* Renaming GUI, CLI, no-impact config. * License header and documentation rebranding. * Rename app title and vendor. Impact: manual install * Migrating mac keychain and launch on startup. * Fix linter and linter renaming
124 lines
3.0 KiB
Go
124 lines
3.0 KiB
Go
// Copyright (c) 2022 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 pchan
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import (
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"sort"
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"sync"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestPChanConcurrentPush(t *testing.T) {
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ch := New()
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var wg sync.WaitGroup
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// We are going to test with 5 additional goroutines.
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wg.Add(5)
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// Start 5 concurrent pushes.
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go func() { defer wg.Done(); ch.Push(1, 1) }()
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go func() { defer wg.Done(); ch.Push(2, 2) }()
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go func() { defer wg.Done(); ch.Push(3, 3) }()
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go func() { defer wg.Done(); ch.Push(4, 4) }()
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go func() { defer wg.Done(); ch.Push(5, 5) }()
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// Wait for the items to be pushed.
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wg.Wait()
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// All 5 should now be ready for popping.
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require.Len(t, ch.items, 5)
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// They should be popped in priority order.
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assert.Equal(t, 5, getValue(t, ch))
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assert.Equal(t, 4, getValue(t, ch))
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assert.Equal(t, 3, getValue(t, ch))
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assert.Equal(t, 2, getValue(t, ch))
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assert.Equal(t, 1, getValue(t, ch))
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}
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func TestPChanConcurrentPop(t *testing.T) {
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ch := New()
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var wg sync.WaitGroup
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// We are going to test with 5 additional goroutines.
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wg.Add(5)
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// Make a list to store the results in.
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var res list
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// Start 5 concurrent pops; these consume any items pushed.
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go func() { defer wg.Done(); res.append(getValue(t, ch)) }()
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go func() { defer wg.Done(); res.append(getValue(t, ch)) }()
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go func() { defer wg.Done(); res.append(getValue(t, ch)) }()
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go func() { defer wg.Done(); res.append(getValue(t, ch)) }()
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go func() { defer wg.Done(); res.append(getValue(t, ch)) }()
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// Push and block; items should be popped immediately by the waiting goroutines.
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ch.Push(1, 1).Wait()
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ch.Push(2, 2).Wait()
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ch.Push(3, 3).Wait()
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ch.Push(4, 4).Wait()
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ch.Push(5, 5).Wait()
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// Wait for all items to be popped then close the result channel.
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wg.Wait()
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assert.True(t, sort.IntsAreSorted(res.items))
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}
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func TestPChanClose(t *testing.T) {
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ch := New()
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go ch.Push(1, 1)
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valOpen, _, okOpen := ch.Pop()
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assert.True(t, okOpen)
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assert.Equal(t, 1, valOpen)
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ch.Close()
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valClose, _, okClose := ch.Pop()
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assert.False(t, okClose)
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assert.Nil(t, valClose)
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}
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type list struct {
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items []int
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mut sync.Mutex
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}
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func (l *list) append(val int) {
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l.mut.Lock()
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defer l.mut.Unlock()
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l.items = append(l.items, val)
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}
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func getValue(t *testing.T, ch *PChan) int {
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val, _, ok := ch.Pop()
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assert.True(t, ok)
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return val.(int) //nolint:forcetypeassert
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}
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