telegraf/plugins/inputs/hddtemp/go-hddtemp/hddtemp_test.go

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package hddtemp
import (
"net"
"reflect"
"testing"
)
func TestFetch(t *testing.T) {
l := serve(t, []byte("|/dev/sda|foobar|36|C|"))
defer l.Close()
disks, err := New().Fetch(l.Addr().String())
if err != nil {
t.Error("expecting err to be nil")
}
expected := []Disk{
{
DeviceName: "sda",
Model: "foobar",
Temperature: 36,
Unit: "C",
},
}
if !reflect.DeepEqual(expected, disks) {
t.Error("disks' slice is different from expected")
}
}
func TestFetchWrongAddress(t *testing.T) {
_, err := New().Fetch("127.0.0.1:1")
if err == nil {
t.Error("expecting err to be non-nil")
}
}
func TestFetchStatus(t *testing.T) {
l := serve(t, []byte("|/dev/sda|foobar|SLP|C|"))
defer l.Close()
disks, err := New().Fetch(l.Addr().String())
if err != nil {
t.Error("expecting err to be nil")
}
expected := []Disk{
{
DeviceName: "sda",
Model: "foobar",
Temperature: 0,
Unit: "C",
Status: "SLP",
},
}
if !reflect.DeepEqual(expected, disks) {
t.Error("disks' slice is different from expected")
}
}
func TestFetchTwoDisks(t *testing.T) {
l := serve(t, []byte("|/dev/hda|ST380011A|46|C||/dev/hdd|ST340016A|SLP|*|"))
defer l.Close()
disks, err := New().Fetch(l.Addr().String())
if err != nil {
t.Error("expecting err to be nil")
}
expected := []Disk{
{
DeviceName: "hda",
Model: "ST380011A",
Temperature: 46,
Unit: "C",
},
{
DeviceName: "hdd",
Model: "ST340016A",
Temperature: 0,
Unit: "*",
Status: "SLP",
},
}
if !reflect.DeepEqual(expected, disks) {
t.Error("disks' slice is different from expected")
}
}
func serve(t *testing.T, data []byte) net.Listener {
l, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
t.Fatal(err)
}
go func(t *testing.T) {
conn, err := l.Accept()
if err != nil {
t.Fatal(err)
}
conn.Write(data)
conn.Close()
}(t)
return l
}