cloudflared-mirror/token/signal_test.go

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//go:build linux || darwin
package token
import (
"os"
"syscall"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestSignalHandler(t *testing.T) {
sigHandler := signalHandler{signals: []os.Signal{syscall.SIGUSR1}}
handlerRan := false
done := make(chan struct{})
timer := time.NewTimer(time.Second)
sigHandler.register(func() {
handlerRan = true
done <- struct{}{}
})
p, err := os.FindProcess(os.Getpid())
require.Nil(t, err)
p.Signal(syscall.SIGUSR1)
// Blocks for up to one second to make sure the handler callback runs before the assert.
select {
case <-done:
assert.True(t, handlerRan)
case <-timer.C:
t.Fail()
}
sigHandler.deregister()
}
func TestSignalHandlerClose(t *testing.T) {
sigHandler := signalHandler{signals: []os.Signal{syscall.SIGUSR1}}
done := make(chan struct{})
timer := time.NewTimer(time.Second)
sigHandler.register(func() { done <- struct{}{} })
sigHandler.deregister()
p, err := os.FindProcess(os.Getpid())
require.Nil(t, err)
p.Signal(syscall.SIGUSR1)
select {
case <-done:
t.Fail()
case <-timer.C:
}
}