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all: use tstest.Replace more

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Signed-off-by: Maisem Ali <maisem@tailscale.com>
This commit is contained in:
Maisem Ali
2023-03-04 12:04:55 -08:00
committed by Maisem Ali
parent 57a44846ae
commit 1a30b2d73f
12 changed files with 35 additions and 58 deletions
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14
net/interfaces/interfaces_linux_test.go
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@@ -10,14 +10,14 @@ import (
"os"
"path/filepath"
"testing"
"tailscale.com/tstest"
)
// test the specific /proc/net/route path as found on Google Cloud Run instances
func TestGoogleCloudRunDefaultRouteInterface(t *testing.T) {
dir := t.TempDir()
savedProcNetRoutePath := procNetRoutePath
defer func() { procNetRoutePath = savedProcNetRoutePath }()
procNetRoutePath = filepath.Join(dir, "CloudRun")
tstest.Replace(t, &procNetRoutePath, filepath.Join(dir, "CloudRun"))
buf := []byte("Iface\tDestination\tGateway\tFlags\tRefCnt\tUse\tMetric\tMask\tMTU\tWindow\tIRTT\n" +
"eth0\t8008FEA9\t00000000\t0001\t0\t0\t0\t01FFFFFF\t0\t0\t0\n" +
"eth1\t00000000\t00000000\t0001\t0\t0\t0\t00000000\t0\t0\t0\n")
@@ -39,9 +39,7 @@ func TestGoogleCloudRunDefaultRouteInterface(t *testing.T) {
// size can be handled.
func TestExtremelyLongProcNetRoute(t *testing.T) {
dir := t.TempDir()
savedProcNetRoutePath := procNetRoutePath
defer func() { procNetRoutePath = savedProcNetRoutePath }()
procNetRoutePath = filepath.Join(dir, "VeryLong")
tstest.Replace(t, &procNetRoutePath, filepath.Join(dir, "VeryLong"))
f, err := os.Create(procNetRoutePath)
if err != nil {
t.Fatal(err)
@@ -76,9 +74,7 @@ func TestExtremelyLongProcNetRoute(t *testing.T) {
// test the specific /proc/net/route path as found on AWS App Runner instances
func TestAwsAppRunnerDefaultRouteInterface(t *testing.T) {
dir := t.TempDir()
savedProcNetRoutePath := procNetRoutePath
defer func() { procNetRoutePath = savedProcNetRoutePath }()
procNetRoutePath = filepath.Join(dir, "CloudRun")
tstest.Replace(t, &procNetRoutePath, filepath.Join(dir, "CloudRun"))
buf := []byte("Iface\tDestination\tGateway\tFlags\tRefCnt\tUse\tMetric\tMask\tMTU\tWindow\tIRTT\n" +
"eth0\t00000000\tF9AFFEA9\t0003\t0\t0\t0\t00000000\t0\t0\t0\n" +
"*\tFEA9FEA9\t00000000\t0005\t0\t0\t0\tFFFFFFFF\t0\t0\t0\n" +