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/**
* Standalone signaling server for the Nextcloud Spreed app.
* Copyright (C) 2017 struktur AG
*
* @author Joachim Bauch <bauch@struktur.de>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package signaling
import (
"strconv"
"sync"
"testing"
"github.com/stretchr/testify/assert"
)
func TestConcurrentStringStringMap(t *testing.T) {
assert := assert.New(t)
var m ConcurrentStringStringMap
assert.Equal(0, m.Len())
v, found := m.Get("foo")
assert.False(found, "Expected missing entry, got %s", v)
m.Set("foo", "bar")
assert.Equal(1, m.Len())
if v, found := m.Get("foo"); assert.True(found) {
assert.Equal("bar", v)
}
m.Set("foo", "baz")
assert.Equal(1, m.Len())
if v, found := m.Get("foo"); assert.True(found) {
assert.Equal("baz", v)
}
m.Set("lala", "lolo")
assert.Equal(2, m.Len())
if v, found := m.Get("lala"); assert.True(found) {
assert.Equal("lolo", v)
}
// Deleting missing entries doesn't do anything.
m.Del("xyz")
assert.Equal(2, m.Len())
if v, found := m.Get("foo"); assert.True(found) {
assert.Equal("baz", v)
}
if v, found := m.Get("lala"); assert.True(found) {
assert.Equal("lolo", v)
}
m.Del("lala")
assert.Equal(1, m.Len())
if v, found := m.Get("foo"); assert.True(found) {
assert.Equal("baz", v)
}
v, found = m.Get("lala")
assert.False(found, "Expected missing entry, got %s", v)
m.Clear()
var wg sync.WaitGroup
concurrency := 100
count := 1000
for x := 0; x < concurrency; x++ {
wg.Add(1)
go func(x int) {
defer wg.Done()
key := "key-" + strconv.Itoa(x)
for y := 0; y < count; y = y + 1 {
value := newRandomString(32)
m.Set(key, value)
if v, found := m.Get(key); !assert.True(found, "Expected entry for key %s", key) ||
!assert.Equal(value, v, "Unexpected value for key %s", key) {
return
}
}
}(x)
}
wg.Wait()
assert.Equal(concurrency, m.Len())
}
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