github.com/cockroachdb/cockroach@v20.2.0-alpha.1+incompatible/pkg/util/sysutil/sysutil_unix_test.go (about)

     1  // Copyright 2018 The Cockroach Authors.
     2  //
     3  // Use of this software is governed by the Business Source License
     4  // included in the file licenses/BSL.txt.
     5  //
     6  // As of the Change Date specified in that file, in accordance with
     7  // the Business Source License, use of this software will be governed
     8  // by the Apache License, Version 2.0, included in the file
     9  // licenses/APL.txt.
    10  
    11  // +build !windows
    12  
    13  package sysutil
    14  
    15  import (
    16  	"testing"
    17  	"time"
    18  
    19  	"golang.org/x/sys/unix"
    20  )
    21  
    22  func TestRefreshSignaledChan(t *testing.T) {
    23  	ch := RefreshSignaledChan()
    24  
    25  	if err := unix.Kill(unix.Getpid(), refreshSignal); err != nil {
    26  		t.Error(err)
    27  		return
    28  	}
    29  
    30  	select {
    31  	case sig := <-ch:
    32  		if refreshSignal != sig {
    33  			t.Fatalf("expected signal %s, but got %s", refreshSignal, sig)
    34  		}
    35  	case <-time.After(time.Second):
    36  		t.Fatal("timed out while waiting for refresh signal")
    37  	}
    38  }