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// Copyright (c) Tailscale Inc & contributors
// SPDX-License-Identifier: BSD-3-Clause
package hostinfo
import (
"encoding/json"
"os"
"strings"
"testing"
)
func TestNew(t *testing.T) {
hi := New()
if hi == nil {
t.Fatal("no Hostinfo")
}
j, err := json.MarshalIndent(hi, " ", "")
if err != nil {
t.Fatal(err)
}
t.Logf("Got: %s", j)
}
func TestOSVersion(t *testing.T) {
if osVersion == nil {
t.Skip("not available for OS")
}
t.Logf("Got: %#q", osVersion())
}
func TestEtcAptSourceFileIsDisabled(t *testing.T) {
tests := []struct {
name string
in string
want bool
}{
{"empty", "", false},
{"normal", "deb foo\n", false},
{"normal-commented", "# deb foo\n", false},
{"normal-disabled-by-ubuntu", "# deb foo # disabled on upgrade to dingus\n", true},
{"normal-disabled-then-uncommented", "deb foo # disabled on upgrade to dingus\n", false},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := etcAptSourceFileIsDisabled(strings.NewReader(tt.in))
if got != tt.want {
t.Errorf("got %v; want %v", got, tt.want)
}
})
}
}
func TestCustomHostnameFunc(t *testing.T) {
want := "custom-hostname"
SetHostnameFn(func() (string, error) {
return want, nil
})
got, err := Hostname()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if got != want {
t.Errorf("got %q, want %q", got, want)
}
SetHostnameFn(os.Hostname)
got, err = Hostname()
want, _ = os.Hostname()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if got != want {
t.Errorf("got %q, want %q", got, want)
}
}
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