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// Copyright (c) Tailscale Inc & contributors
// SPDX-License-Identifier: BSD-3-Clause
package main // import "tailscale.com/cmd/tailscaled"
import (
"os"
"strings"
"testing"
"tailscale.com/envknob"
"tailscale.com/ipn"
"tailscale.com/net/netmon"
"tailscale.com/tsd"
"tailscale.com/tstest/deptest"
"tailscale.com/types/logid"
"tailscale.com/util/must"
)
func TestNothing(t *testing.T) {
// This test does nothing on purpose, so we can run
// GODEBUG=memprofilerate=1 go test -v -run=Nothing -memprofile=prof.mem
// without any errors about no matching tests.
}
func TestDeps(t *testing.T) {
deptest.DepChecker{
GOOS: "darwin",
GOARCH: "arm64",
BadDeps: map[string]string{
"testing": "do not use testing package in production code",
"gvisor.dev/gvisor/pkg/hostarch": "will crash on non-4K page sizes; see https://github.com/tailscale/tailscale/issues/8658",
"net/http/httptest": "do not use httptest in production code",
"net/http/internal/testcert": "do not use httptest in production code",
},
}.Check(t)
deptest.DepChecker{
GOOS: "linux",
GOARCH: "arm64",
BadDeps: map[string]string{
"testing": "do not use testing package in production code",
"gvisor.dev/gvisor/pkg/hostarch": "will crash on non-4K page sizes; see https://github.com/tailscale/tailscale/issues/8658",
"google.golang.org/protobuf/proto": "unexpected",
"github.com/prometheus/client_golang/prometheus": "use tailscale.com/metrics in tailscaled",
},
}.Check(t)
}
func TestStateStoreError(t *testing.T) {
logID, err := logid.NewPrivateID()
if err != nil {
t.Fatal(err)
}
// Don't upload any logs from tests.
envknob.SetNoLogsNoSupport()
args.statedir = t.TempDir()
args.tunname = "userspace-networking"
t.Run("new state", func(t *testing.T) {
sys := tsd.NewSystem()
sys.NetMon.Set(must.Get(netmon.New(sys.Bus.Get(), t.Logf)))
lb, err := getLocalBackend(t.Context(), t.Logf, logID.Public(), sys)
if err != nil {
t.Fatal(err)
}
defer lb.Shutdown()
if lb.HealthTracker().IsUnhealthy(ipn.StateStoreHealth) {
t.Errorf("StateStoreHealth is unhealthy on fresh LocalBackend:\n%s", strings.Join(lb.HealthTracker().Strings(), "\n"))
}
})
t.Run("corrupt state", func(t *testing.T) {
sys := tsd.NewSystem()
sys.NetMon.Set(must.Get(netmon.New(sys.Bus.Get(), t.Logf)))
// Populate the state file with something that will fail to parse to
// trigger an error from store.New.
if err := os.WriteFile(statePathOrDefault(), []byte("bad json"), 0644); err != nil {
t.Fatal(err)
}
lb, err := getLocalBackend(t.Context(), t.Logf, logID.Public(), sys)
if err != nil {
t.Fatal(err)
}
defer lb.Shutdown()
if !lb.HealthTracker().IsUnhealthy(ipn.StateStoreHealth) {
t.Errorf("StateStoreHealth is healthy when state file is corrupt")
}
})
}
func TestIsPortableStore(t *testing.T) {
tests := []struct {
name string
path string
want bool
}{
{
name: "kube_store",
path: "kube:my-secret",
want: true,
},
{
name: "aws_arn_store",
path: "arn:aws:ssm:us-east-1:123456789012:parameter/tailscale/state",
want: true,
},
{
name: "tpm_store",
path: "tpmseal:/var/lib/tailscale/tailscaled.state",
want: false,
},
{
name: "local_file_store",
path: "/var/lib/tailscale/tailscaled.state",
want: false,
},
{
name: "empty_path",
path: "",
want: false,
},
{
name: "mem_store",
path: "mem:",
want: true,
},
{
name: "windows_file_store",
path: `C:\ProgramData\Tailscale\server-state.conf`,
want: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := isPortableStore(tt.path)
if got != tt.want {
t.Errorf("isPortableStore(%q) = %v, want %v", tt.path, got, tt.want)
}
})
}
}
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