tailscale/wgengine/watchdog_test.go
Kristoffer Dalby 0e0e53d3b3 util/usermetrics: make usermetrics non-global
this commit changes usermetrics to be non-global, this is a building
block for correct metrics if a go process runs multiple tsnets or
in tests.

Updates #13420
Updates tailscale/corp#22075

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>
2024-09-25 15:57:00 +02:00

45 lines
988 B
Go

// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
package wgengine
import (
"runtime"
"testing"
"time"
"tailscale.com/health"
"tailscale.com/util/usermetric"
)
func TestWatchdog(t *testing.T) {
t.Parallel()
var maxWaitMultiple time.Duration = 1
if runtime.GOOS == "darwin" {
// Work around slow close syscalls on Big Sur with content filter Network Extensions installed.
// See https://github.com/tailscale/tailscale/issues/1598.
maxWaitMultiple = 15
}
t.Run("default watchdog does not fire", func(t *testing.T) {
t.Parallel()
ht := new(health.Tracker)
reg := new(usermetric.Registry)
e, err := NewFakeUserspaceEngine(t.Logf, 0, ht, reg)
if err != nil {
t.Fatal(err)
}
e = NewWatchdog(e)
e.(*watchdogEngine).maxWait = maxWaitMultiple * 150 * time.Millisecond
e.(*watchdogEngine).logf = t.Logf
e.(*watchdogEngine).fatalf = t.Fatalf
e.RequestStatus()
e.RequestStatus()
e.RequestStatus()
e.Close()
})
}