From 1f32ce1bb380845be7f5d174ac641a2c592c0c42 Mon Sep 17 00:00:00 2001
From: Shirou WAKAYAMA <shirou.faw@gmail.com>
Date: Tue, 15 Mar 2016 22:47:56 +0900
Subject: [PATCH] [net]linux: skip if "/proc/sys/net" is not exists on test
 environment.

---
 net/net_test.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/net/net_test.go b/net/net_test.go
index aabce81..30cef51 100644
--- a/net/net_test.go
+++ b/net/net_test.go
@@ -3,7 +3,10 @@ package net
 import (
 	"fmt"
 	"os"
+	"runtime"
 	"testing"
+
+	"github.com/shirou/gopsutil/internal/common"
 )
 
 func TestAddrString(t *testing.T) {
@@ -202,6 +205,13 @@ func TestNetFilterCounters(t *testing.T) {
 		return
 	}
 
+	if runtime.GOOS == "linux" {
+		// some test environment has not the path.
+		if !common.PathExists("/proc/sys/net/netfilter/nf_conntrack_count") {
+			t.SkipNow()
+		}
+	}
+
 	v, err := NetFilterCounters()
 	if err != nil {
 		t.Errorf("could not get NetConnections: %v", err)
-- 
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