cloudflared-mirror/tunnelhostnamemapper/tunnelhostnamemapper_test.go

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package tunnelhostnamemapper
import (
"fmt"
"net/http"
"net/url"
"sync"
"testing"
"github.com/cloudflare/cloudflared/h2mux"
"github.com/cloudflare/cloudflared/originservice"
"github.com/stretchr/testify/assert"
)
const (
routines = 1000
)
func TestTunnelHostnameMapperConcurrentAccess(t *testing.T) {
thm := NewTunnelHostnameMapper()
concurrentOps(t, func(i int) {
// om is empty
os, ok := thm.Get(tunnelHostname(i))
assert.False(t, ok)
assert.Nil(t, os)
})
firstURL, err := url.Parse("https://127.0.0.1:8080")
assert.NoError(t, err)
httpOS := originservice.NewHTTPService(http.DefaultTransport, firstURL, false)
concurrentOps(t, func(i int) {
thm.Add(tunnelHostname(i), httpOS)
})
concurrentOps(t, func(i int) {
os, ok := thm.Get(tunnelHostname(i))
assert.True(t, ok)
assert.Equal(t, httpOS, os)
})
secondURL, err := url.Parse("https://127.0.0.1:8080")
assert.NoError(t, err)
secondHTTPOS := originservice.NewHTTPService(http.DefaultTransport, secondURL, true)
concurrentOps(t, func(i int) {
// Add should httpOS with secondHTTPOS
thm.Add(tunnelHostname(i), secondHTTPOS)
})
concurrentOps(t, func(i int) {
os, ok := thm.Get(tunnelHostname(i))
assert.True(t, ok)
assert.Equal(t, secondHTTPOS, os)
})
thm.DeleteAll()
assert.Empty(t, thm.tunnelHostnameToOrigin)
}
func concurrentOps(t *testing.T, f func(i int)) {
var wg sync.WaitGroup
wg.Add(routines)
for i := 0; i < routines; i++ {
go func(i int) {
f(i)
wg.Done()
}(i)
}
wg.Wait()
}
func tunnelHostname(i int) h2mux.TunnelHostname {
return h2mux.TunnelHostname(fmt.Sprintf("%d.cftunnel.com", i))
}