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builder_test.go
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builder_test.go
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package rfc5424
import (
"testing"
"time"
"github.com/influxdata/go-syslog/v3"
"github.com/stretchr/testify/assert"
)
func TestSetTimestamp(t *testing.T) {
m := &SyslogMessage{}
assert.Equal(t, time.Date(2003, 10, 11, 22, 14, 15, 0, time.UTC), *m.SetTimestamp("2003-10-11T22:14:15Z").(*SyslogMessage).Timestamp)
assert.Equal(t, time.Date(2003, 10, 11, 22, 14, 15, 3000, time.UTC), *m.SetTimestamp("2003-10-11T22:14:15.000003Z").(*SyslogMessage).Timestamp)
// (note) > timestamp is invalid but it accepts until valid - ie., Z char
// (note) > this dependes on the builder internal parser which does not have a final state, nor we check for any error or final state
// (todo) > decide whether to be more strict or not
assert.Equal(t, time.Date(2003, 10, 11, 22, 14, 15, 3000, time.UTC), *m.SetTimestamp("2003-10-11T22:14:15.000003Z+02:00").(*SyslogMessage).Timestamp)
}
func TestFacilityAndSeverity(t *testing.T) {
m := &SyslogMessage{}
assert.Nil(t, m.Facility)
assert.Nil(t, m.FacilityMessage())
assert.Nil(t, m.FacilityLevel())
assert.Nil(t, m.Severity)
assert.Nil(t, m.SeverityMessage())
assert.Nil(t, m.SeverityLevel())
assert.Nil(t, m.SeverityShortLevel())
m.SetPriority(1)
assert.Equal(t, uint8(0), *m.Facility)
assert.Equal(t, "kernel messages", *m.FacilityMessage())
assert.Equal(t, "kern", *m.FacilityLevel())
assert.Equal(t, uint8(1), *m.Severity)
assert.Equal(t, "action must be taken immediately", *m.SeverityMessage())
assert.Equal(t, "alert", *m.SeverityLevel())
assert.Equal(t, "alert", *m.SeverityShortLevel())
m.SetPriority(120)
assert.Equal(t, uint8(15), *m.Facility)
assert.Equal(t, "clock daemon messages", *m.FacilityMessage())
assert.Equal(t, "cron2", *m.FacilityLevel())
assert.Equal(t, uint8(0), *m.Severity)
assert.Equal(t, "system is unusable", *m.SeverityMessage())
assert.Equal(t, "emergency", *m.SeverityLevel())
assert.Equal(t, "emerg", *m.SeverityShortLevel())
m.SetPriority(99)
assert.Equal(t, uint8(12), *m.Facility)
assert.Equal(t, "NTP subsystem messages", *m.FacilityMessage())
assert.Equal(t, "ntp", *m.FacilityLevel()) // MUST fallback to message
assert.Equal(t, uint8(3), *m.Severity)
assert.Equal(t, "error conditions", *m.SeverityMessage())
assert.Equal(t, "error", *m.SeverityLevel())
assert.Equal(t, "err", *m.SeverityShortLevel())
}
func TestSetNilTimestamp(t *testing.T) {
m := &SyslogMessage{}
assert.Nil(t, m.SetTimestamp("-").(*SyslogMessage).Timestamp)
}
func TestSetIncompleteTimestamp(t *testing.T) {
m := &SyslogMessage{}
date := []byte("2003-11-02T23:12:46.012345")
prev := make([]byte, 0, len(date))
for _, d := range date {
prev = append(prev, d)
assert.Nil(t, m.SetTimestamp(string(prev)).(*SyslogMessage).Timestamp)
}
}
func TestSetSyntacticallyCompleteButIncorrectTimestamp(t *testing.T) {
m := &SyslogMessage{}
assert.Nil(t, m.SetTimestamp("2003-42-42T22:14:15Z").(*SyslogMessage).Timestamp)
}
func TestSetImpossibleButSyntacticallyCorrectTimestamp(t *testing.T) {
m := &SyslogMessage{}
assert.Nil(t, m.SetTimestamp("2003-09-31T22:14:15Z").(*SyslogMessage).Timestamp)
}
func TestSetTooLongHostname(t *testing.T) {
m := &SyslogMessage{}
m.SetHostname("abcdefghilmnopqrstuvzabcdefghilmnopqrstuvzabcdefghilmnopqrstuvzabcdefghilmnopqrstuvzabcdefghilmnopqrstuvzabcdefghilmnopqrstuvzabcdefghilmnopqrstuvzabcdefghilmnopqrstuvzabcdefghilmnopqrstuvzabcdefghilmnopqrstuvzabcdefghilmnopqrstuvzabcdefghilmnopqrstuvzabcX")
assert.Nil(t, m.Hostname)
}
func TestSetNilOrEmptyHostname(t *testing.T) {
m := &SyslogMessage{}
assert.Nil(t, m.SetHostname("-").(*SyslogMessage).Hostname)
assert.Nil(t, m.SetHostname("").(*SyslogMessage).Hostname)
}
func TestSetHostname(t *testing.T) {
m := &SyslogMessage{}
maxlen := []byte("abcdefghilmnopqrstuvzabcdefghilmnopqrstuvzabcdefghilmnopqrstuvzabcdefghilmnopqrstuvzabcdefghilmnopqrstuvzabcdefghilmnopqrstuvzabcdefghilmnopqrstuvzabcdefghilmnopqrstuvzabcdefghilmnopqrstuvzabcdefghilmnopqrstuvzabcdefghilmnopqrstuvzabcdefghilmnopqrstuvzabc")
prev := make([]byte, 0, len(maxlen))
for _, input := range maxlen {
prev = append(prev, input)
str := string(prev)
assert.Equal(t, str, *m.SetHostname(str).(*SyslogMessage).Hostname)
}
}
func TestSetAppname(t *testing.T) {
m := &SyslogMessage{}
maxlen := []byte("abcdefghilmnopqrstuvzabcdefghilmnopqrstuvzabcdef")
prev := make([]byte, 0, len(maxlen))
for _, input := range maxlen {
prev = append(prev, input)
str := string(prev)
assert.Equal(t, str, *m.SetAppname(str).(*SyslogMessage).Appname)
}
}
func TestSetProcID(t *testing.T) {
m := &SyslogMessage{}
maxlen := []byte("abcdefghilmnopqrstuvzabcdefghilmnopqrstuvzabcdefghilmnopqrstuvzabcdefghilmnopqrstuvzabcdefghilmnopqrstuvzabcdefghilmnopqrstuvzab")
prev := make([]byte, 0, len(maxlen))
for _, input := range maxlen {
prev = append(prev, input)
str := string(prev)
assert.Equal(t, str, *m.SetProcID(str).(*SyslogMessage).ProcID)
}
}
func TestSetMsgID(t *testing.T) {
m := &SyslogMessage{}
maxlen := []byte("abcdefghilmnopqrstuvzabcdefghilm")
prev := make([]byte, 0, len(maxlen))
for _, input := range maxlen {
prev = append(prev, input)
str := string(prev)
assert.Equal(t, str, *m.SetMsgID(str).(*SyslogMessage).MsgID)
}
}
func TestSetSyntacticallyWrongHostnameAppnameProcIDMsgID(t *testing.T) {
m := &SyslogMessage{}
assert.Nil(t, m.SetHostname("white space not possible").(*SyslogMessage).Hostname)
assert.Nil(t, m.SetHostname(string([]byte{0x0})).(*SyslogMessage).Hostname)
assert.Nil(t, m.SetAppname("white space not possible").(*SyslogMessage).Appname)
assert.Nil(t, m.SetAppname(string([]byte{0x0})).(*SyslogMessage).Appname)
assert.Nil(t, m.SetProcID("white space not possible").(*SyslogMessage).ProcID)
assert.Nil(t, m.SetProcID(string([]byte{0x0})).(*SyslogMessage).ProcID)
assert.Nil(t, m.SetMsgID("white space not possible").(*SyslogMessage).MsgID)
assert.Nil(t, m.SetMsgID(string([]byte{0x0})).(*SyslogMessage).MsgID)
}
func TestSetMessage(t *testing.T) {
m := &SyslogMessage{}
greek := "κόσμε"
assert.Equal(t, greek, *m.SetMessage(greek).(*SyslogMessage).Message)
}
func TestSetEmptyMessage(t *testing.T) {
m := &SyslogMessage{}
m.SetMessage("")
assert.Nil(t, m.Message)
}
func TestSetWrongUTF8Message(t *testing.T) {
// todo(leodido)
}
func TestSetMessageWithBOM(t *testing.T) {
// todo(leodido)
}
func TestSetMessageWithNewline(t *testing.T) {
// todo(leodido)
}
func TestSetOutOfRangeVersion(t *testing.T) {
m := &SyslogMessage{}
m.SetVersion(1000)
assert.Equal(t, m.Version, uint16(0)) // 0 signals nil for version
m.SetVersion(0)
assert.Equal(t, m.Version, uint16(0)) // 0 signals nil for version
}
func TestSetOutOfRangePriority(t *testing.T) {
m := &SyslogMessage{}
m.SetPriority(192)
assert.Nil(t, m.Priority)
}
func TestSetVersion(t *testing.T) {
m := &SyslogMessage{}
m.SetVersion(1)
assert.Equal(t, m.Version, uint16(1))
m.SetVersion(999)
assert.Equal(t, m.Version, uint16(999))
}
func TestSetPriority(t *testing.T) {
m := &SyslogMessage{}
m.SetPriority(0)
assert.Equal(t, *m.Priority, uint8(0))
m.SetPriority(1)
assert.Equal(t, *m.Priority, uint8(1))
m.SetPriority(191)
assert.Equal(t, *m.Priority, uint8(191))
}
func TestSetSDID(t *testing.T) {
identifier := "one"
m := &SyslogMessage{}
assert.Nil(t, m.StructuredData)
m.SetElementID(identifier)
sd := m.StructuredData
assert.NotNil(t, sd)
assert.IsType(t, (*map[string]map[string]string)(nil), sd)
assert.NotNil(t, (*sd)[identifier])
assert.IsType(t, map[string]string{}, (*sd)[identifier])
m.SetElementID(identifier)
assert.Len(t, *sd, 1)
}
func TestSetAllLenghtsSDID(t *testing.T) {
m := &SyslogMessage{}
maxlen := []byte("abcdefghilmnopqrstuvzabcdefghilm")
prev := make([]byte, 0, len(maxlen))
for i, input := range maxlen {
prev = append(prev, input)
id := string(prev)
m.SetElementID(id)
assert.Len(t, *m.StructuredData, i+1)
assert.IsType(t, map[string]string{}, (*m.StructuredData)[id])
}
}
func TestSetTooLongSDID(t *testing.T) {
m := &SyslogMessage{}
m.SetElementID("abcdefghilmnopqrstuvzabcdefghilmX")
assert.Nil(t, m.StructuredData)
}
func TestSetSyntacticallyWrongSDID(t *testing.T) {
m := &SyslogMessage{}
m.SetElementID("no whitespaces")
assert.Nil(t, m.StructuredData)
m.SetElementID(" ")
assert.Nil(t, m.StructuredData)
m.SetElementID(`"`)
assert.Nil(t, m.StructuredData)
m.SetElementID(`no"`)
assert.Nil(t, m.StructuredData)
m.SetElementID(`"no`)
assert.Nil(t, m.StructuredData)
m.SetElementID("]")
assert.Nil(t, m.StructuredData)
m.SetElementID("no]")
assert.Nil(t, m.StructuredData)
m.SetElementID("]no")
assert.Nil(t, m.StructuredData)
}
func TestSetEmptySDID(t *testing.T) {
m := &SyslogMessage{}
m.SetElementID("")
assert.Nil(t, m.StructuredData)
}
func TestSetSDParam(t *testing.T) {
id := "one"
pn := "pname"
pv := "pvalue"
m := &SyslogMessage{}
m.SetParameter(id, pn, pv)
sd := m.StructuredData
assert.NotNil(t, sd)
assert.IsType(t, (*map[string]map[string]string)(nil), sd)
assert.NotNil(t, (*sd)[id])
assert.IsType(t, map[string]string{}, (*sd)[id])
assert.Len(t, *sd, 1)
assert.Len(t, (*sd)[id], 1)
assert.Equal(t, pv, (*sd)[id][pn])
pn1 := "pname1"
pv1 := "κόσμε"
m.SetParameter(id, pn1, pv1)
assert.Len(t, (*sd)[id], 2)
assert.Equal(t, pv1, (*sd)[id][pn1])
id1 := "another"
m.SetParameter(id1, pn1, pv1).SetParameter(id1, pn, pv)
assert.Len(t, *sd, 2)
assert.Len(t, (*sd)[id1], 2)
assert.Equal(t, pv1, (*sd)[id1][pn1])
assert.Equal(t, pv, (*sd)[id1][pn])
id2 := "tre"
pn2 := "meta"
m.SetParameter(id2, pn, `valid\\`).SetParameter(id2, pn1, `\]valid`).SetParameter(id2, pn2, `is\"valid`)
assert.Len(t, *sd, 3)
assert.Len(t, (*sd)[id2], 3)
assert.Equal(t, `valid\`, (*sd)[id2][pn])
assert.Equal(t, `]valid`, (*sd)[id2][pn1])
assert.Equal(t, `is"valid`, (*sd)[id2][pn2])
// Cannot contain \, ], " unless escaped
m.SetParameter(id2, pn, `is\valid`).SetParameter(id2, pn1, `is]valid`).SetParameter(id2, pn2, `is"valid`)
assert.Len(t, (*sd)[id2], 3)
}
func TestSetEmptySDParam(t *testing.T) {
id := "id"
pn := "pn"
m := &SyslogMessage{}
m.SetParameter(id, pn, "")
sd := m.StructuredData
assert.Len(t, *sd, 1)
assert.Len(t, (*sd)[id], 1)
assert.Equal(t, "", (*sd)[id][pn])
}
func TestSerialization(t *testing.T) {
var res string
var err error
var pout syslog.Message
var perr error
p := NewParser()
// Valid syslog message
m := &SyslogMessage{}
m.SetPriority(1)
m.SetVersion(1)
res, err = m.String()
assert.Nil(t, err)
assert.Equal(t, "<1>1 - - - - - -", res)
pout, perr = p.Parse([]byte(res))
assert.Equal(t, m, pout)
assert.Nil(t, perr)
m.SetMessage("-") // does not means nil in this case, remember
res, err = m.String()
assert.Nil(t, err)
assert.Equal(t, "<1>1 - - - - - - -", res)
pout, perr = p.Parse([]byte(res))
assert.Equal(t, m, pout)
assert.Nil(t, perr)
m.
SetParameter("mega", "x", "a").
SetParameter("mega", "y", "b").
SetParameter("mega", "z", `\" \] \\`).
SetParameter("peta", "a", "name").
SetParameter("giga", "1", "").
SetParameter("peta", "c", "nomen")
res, err = m.String()
assert.Nil(t, err)
assert.Equal(t, `<1>1 - - - - - [giga 1=""][mega x="a" y="b" z="\" \] \\"][peta a="name" c="nomen"] -`, res)
pout, perr = p.Parse([]byte(res))
assert.Equal(t, m, pout)
assert.Nil(t, perr)
m.SetHostname("host1")
res, err = m.String()
assert.Nil(t, err)
assert.Equal(t, `<1>1 - host1 - - - [giga 1=""][mega x="a" y="b" z="\" \] \\"][peta a="name" c="nomen"] -`, res)
pout, perr = p.Parse([]byte(res))
assert.Equal(t, m, pout)
assert.Nil(t, perr)
m.SetAppname("su")
res, err = m.String()
assert.Nil(t, err)
assert.Equal(t, `<1>1 - host1 su - - [giga 1=""][mega x="a" y="b" z="\" \] \\"][peta a="name" c="nomen"] -`, res)
pout, perr = p.Parse([]byte(res))
assert.Equal(t, m, pout)
assert.Nil(t, perr)
m.SetProcID("22")
res, err = m.String()
assert.Nil(t, err)
assert.Equal(t, `<1>1 - host1 su 22 - [giga 1=""][mega x="a" y="b" z="\" \] \\"][peta a="name" c="nomen"] -`, res)
pout, perr = p.Parse([]byte(res))
assert.Equal(t, m, pout)
assert.Nil(t, perr)
m.SetMsgID("#1")
res, err = m.String()
assert.Nil(t, err)
assert.Equal(t, `<1>1 - host1 su 22 #1 [giga 1=""][mega x="a" y="b" z="\" \] \\"][peta a="name" c="nomen"] -`, res)
pout, perr = p.Parse([]byte(res))
assert.Equal(t, m, pout)
assert.Nil(t, perr)
m.SetTimestamp("2002-10-22T16:33:15.000087+01:00")
res, err = m.String()
assert.Nil(t, err)
assert.Equal(t, `<1>1 2002-10-22T16:33:15.000087+01:00 host1 su 22 #1 [giga 1=""][mega x="a" y="b" z="\" \] \\"][peta a="name" c="nomen"] -`, res)
pout, perr = p.Parse([]byte(res))
assert.Equal(t, m, pout)
assert.Nil(t, perr)
m.SetMessage("κόσμε")
res, err = m.String()
assert.Nil(t, err)
assert.Equal(t, `<1>1 2002-10-22T16:33:15.000087+01:00 host1 su 22 #1 [giga 1=""][mega x="a" y="b" z="\" \] \\"][peta a="name" c="nomen"] κόσμε`, res)
pout, perr = p.Parse([]byte(res))
assert.Equal(t, m, pout)
assert.Nil(t, perr)
// Invalid syslog message
m2 := &SyslogMessage{}
m2.SetPriority(192)
m2.SetVersion(9999)
res, err = m2.String()
assert.Empty(t, res)
assert.Error(t, err)
}