cloudflared-mirror/connection/observer_test.go

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package connection
import (
"strconv"
"sync"
"testing"
"github.com/stretchr/testify/assert"
)
// can only be called once
var m = newTunnelMetrics()
func TestRegisterServerLocation(t *testing.T) {
tunnels := 20
var wg sync.WaitGroup
wg.Add(tunnels)
for i := 0; i < tunnels; i++ {
go func(i int) {
id := strconv.Itoa(i)
m.registerServerLocation(id, "LHR")
wg.Done()
}(i)
}
wg.Wait()
for i := 0; i < tunnels; i++ {
id := strconv.Itoa(i)
assert.Equal(t, "LHR", m.oldServerLocations[id])
}
wg.Add(tunnels)
for i := 0; i < tunnels; i++ {
go func(i int) {
id := strconv.Itoa(i)
m.registerServerLocation(id, "AUS")
wg.Done()
}(i)
}
wg.Wait()
for i := 0; i < tunnels; i++ {
id := strconv.Itoa(i)
assert.Equal(t, "AUS", m.oldServerLocations[id])
}
}