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package journald
import (
"fmt"
"math/rand"
"os"
"os/exec"
"runtime"
"strings"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
var (
uniqueSmallMessageID = "1"
uniqueBigMessageID = "2"
uniquePrintedMessageID = "3"
uniqueLowerMessageID = "4"
)
func TestMain(m *testing.M) {
uniqueSmallMessageID = time.Now().String()
time.Sleep(time.Millisecond)
uniqueBigMessageID = time.Now().String()
time.Sleep(time.Millisecond)
uniquePrintedMessageID = time.Now().String()
time.Sleep(time.Millisecond)
uniqueLowerMessageID = time.Now().String()
os.Exit(m.Run())
}
func TestIsNotExist(t *testing.T) {
require.False(t, IsNotExist())
}
type Test struct {
Field1 string
Field2 int
Field3 map[string]float32
}
func TestSendSmallMessage(t *testing.T) {
s := Test{"field1", 2, map[string]float32{"3": 0.4, "5": 6.7}}
trace := runtime.ReadTrace()
err := Send("AnotherMessage", PriorityInfo, map[string]interface{}{"ONE": 1, "TWO": trace, "THREE": s, "FOUR": RandStringRunes(768)})
require.NoError(t, err)
}
func TestCheckPrint(t *testing.T) {
err := Print(PriorityNotice, "printed message: %s", uniquePrintedMessageID)
require.NoError(t, err)
time.Sleep(time.Second * 5)
out, err := exec.Command("sh", "-c", fmt.Sprintf("journalctl 'MESSAGE=printed message: %s' -o verbose", uniquePrintedMessageID)).Output()
require.NoError(t, err)
require.True(t, strings.Contains(string(out), fmt.Sprintf("MESSAGE=printed message: %s", uniquePrintedMessageID)))
require.True(t, strings.Contains(string(out), "PRIORITY=5"))
}
func TestCheckSmallMessage(t *testing.T) {
err := Send("SmallMessage", PriorityWarning, map[string]interface{}{"TEST_ID": uniqueSmallMessageID, "WITH_NEWLINES": "b\n\nsd\n"})
require.NoError(t, err)
time.Sleep(time.Second * 5)
out, err := exec.Command("sh", "-c", fmt.Sprintf("journalctl 'TEST_ID=%s' -o verbose", uniqueSmallMessageID)).Output()
require.NoError(t, err)
require.True(t, len(out) > 500)
require.True(t, strings.Contains(string(out), "WITH_NEWLINES"))
require.True(t, strings.Contains(string(out), "MESSAGE=SmallMessage"))
require.True(t, strings.Contains(string(out), "PRIORITY=4"))
out, err = exec.Command("sh", "-c", fmt.Sprintf("journalctl -o verbose 'TEST_ID=%s' -F WITH_NEWLINES", uniqueSmallMessageID)).Output()
require.NoError(t, err)
require.Equal(t, "b\n\nsd\n"+"\n", string(out))
}
func TestCheckBigMessage(t *testing.T) {
err := Send("BigMessage", PriorityErr, map[string]interface{}{"TEST_ID": uniqueBigMessageID, "BIG_MESSAGE": RandStringRunes(1024 * 512)})
require.NoError(t, err)
time.Sleep(time.Second * 5)
out, err := exec.Command("sh", "-c", fmt.Sprintf("journalctl 'TEST_ID=%s' -o verbose", uniqueBigMessageID)).Output()
require.NoError(t, err)
require.True(t, len(out) > 512*1024)
require.True(t, strings.Contains(string(out), "BIG_MESSAGE"))
require.True(t, strings.Contains(string(out), "MESSAGE=BigMessage"))
require.True(t, strings.Contains(string(out), "PRIORITY=3"))
}
func TestCheckLowerMessage(t *testing.T) {
j := Journal{}
j.NormalizeFieldNameFn = strings.ToUpper
err := j.Send("LowerMessage", PriorityCrit, map[string]interface{}{"test_id": uniqueLowerMessageID})
require.NoError(t, err)
require.NoError(t, j.Close())
time.Sleep(time.Second * 5)
out, err := exec.Command("sh", "-c", fmt.Sprintf("journalctl 'TEST_ID=%s' -o verbose", uniqueLowerMessageID)).Output()
require.NoError(t, err)
require.True(t, strings.Contains(string(out), "MESSAGE=LowerMessage"))
require.True(t, strings.Contains(string(out), "PRIORITY=2"))
}
func TestSendClose(t *testing.T) {
j := Journal{}
err := j.Print(PriorityInfo, "SendClose")
require.NoError(t, err)
require.NoError(t, j.Close())
err = j.Print(PriorityInfo, "SendClose")
assertErr(t, err, " use of closed network connection")
}
var letterRunes = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
func RandStringRunes(n int) string {
b := make([]rune, n)
for i := range b {
b[i] = letterRunes[rand.Intn(len(letterRunes))]
}
return string(b)
}
func assertErr(t *testing.T, e error, rx interface{}) {
assert.Error(t, e)
assert.Regexp(t, rx, e.Error())
}
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