telegraf/plugins/parsers/influx/machine_test.go

2081 lines
36 KiB
Go

package influx_test
import (
"errors"
"fmt"
"testing"
"github.com/influxdata/telegraf/plugins/parsers/influx"
"github.com/stretchr/testify/require"
)
type TestingHandler struct {
results []Result
}
func (h *TestingHandler) SetMeasurement(name []byte) error {
mname := Result{
Name: Measurement,
Value: name,
}
h.results = append(h.results, mname)
return nil
}
func (h *TestingHandler) AddTag(key []byte, value []byte) error {
tagkey := Result{
Name: TagKey,
Value: key,
}
tagvalue := Result{
Name: TagValue,
Value: value,
}
h.results = append(h.results, tagkey, tagvalue)
return nil
}
func (h *TestingHandler) AddInt(key []byte, value []byte) error {
fieldkey := Result{
Name: FieldKey,
Value: key,
}
fieldvalue := Result{
Name: FieldInt,
Value: value,
}
h.results = append(h.results, fieldkey, fieldvalue)
return nil
}
func (h *TestingHandler) AddUint(key []byte, value []byte) error {
fieldkey := Result{
Name: FieldKey,
Value: key,
}
fieldvalue := Result{
Name: FieldUint,
Value: value,
}
h.results = append(h.results, fieldkey, fieldvalue)
return nil
}
func (h *TestingHandler) AddFloat(key []byte, value []byte) error {
fieldkey := Result{
Name: FieldKey,
Value: key,
}
fieldvalue := Result{
Name: FieldFloat,
Value: value,
}
h.results = append(h.results, fieldkey, fieldvalue)
return nil
}
func (h *TestingHandler) AddString(key []byte, value []byte) error {
fieldkey := Result{
Name: FieldKey,
Value: key,
}
fieldvalue := Result{
Name: FieldString,
Value: value,
}
h.results = append(h.results, fieldkey, fieldvalue)
return nil
}
func (h *TestingHandler) AddBool(key []byte, value []byte) error {
fieldkey := Result{
Name: FieldKey,
Value: key,
}
fieldvalue := Result{
Name: FieldBool,
Value: value,
}
h.results = append(h.results, fieldkey, fieldvalue)
return nil
}
func (h *TestingHandler) SetTimestamp(tm []byte) error {
timestamp := Result{
Name: Timestamp,
Value: tm,
}
h.results = append(h.results, timestamp)
return nil
}
func (h *TestingHandler) Result(err error) {
var res Result
if err == nil {
res = Result{
Name: Success,
}
} else {
res = Result{
Name: Error,
err: err,
}
}
h.results = append(h.results, res)
}
func (h *TestingHandler) Results() []Result {
return h.results
}
type BenchmarkingHandler struct {
}
func (h *BenchmarkingHandler) SetMeasurement(name []byte) error {
return nil
}
func (h *BenchmarkingHandler) AddTag(key []byte, value []byte) error {
return nil
}
func (h *BenchmarkingHandler) AddInt(key []byte, value []byte) error {
return nil
}
func (h *BenchmarkingHandler) AddUint(key []byte, value []byte) error {
return nil
}
func (h *BenchmarkingHandler) AddFloat(key []byte, value []byte) error {
return nil
}
func (h *BenchmarkingHandler) AddString(key []byte, value []byte) error {
return nil
}
func (h *BenchmarkingHandler) AddBool(key []byte, value []byte) error {
return nil
}
func (h *BenchmarkingHandler) SetTimestamp(tm []byte) error {
return nil
}
type TokenType int
const (
NoMatch TokenType = iota
Measurement
TagKey
TagValue
FieldKey
FieldString
FieldInt
FieldUint
FieldFloat
FieldBool
Timestamp
EOL
EOF
Punc
WhiteSpace
Success
Error
)
func (t TokenType) String() string {
switch t {
case NoMatch:
return "NoMatch"
case Measurement:
return "Measurement"
case TagKey:
return "TagKey"
case TagValue:
return "TagValue"
case FieldKey:
return "FieldKey"
case FieldInt:
return "FieldInt"
case FieldUint:
return "FieldUint"
case FieldFloat:
return "FieldFloat"
case FieldString:
return "FieldString"
case FieldBool:
return "FieldBool"
case Timestamp:
return "Timestamp"
case EOL:
return "EOL"
case EOF:
return "EOF"
case Punc:
return "Punc"
case WhiteSpace:
return "WhiteSpace"
case Success:
return "Success"
case Error:
return "Error"
default:
panic("Unknown TokenType")
}
}
type Token struct {
Name TokenType
Value []byte
}
func (t Token) String() string {
return fmt.Sprintf("(%s %q)", t.Name, t.Value)
}
type Result struct {
Name TokenType
Value []byte
err error
}
func (r Result) String() string {
return fmt.Sprintf("(%s, %q, %v)", r.Name, r.Value, r.err)
}
var tests = []struct {
name string
input []byte
results []Result
err error
}{
{
name: "empty string",
input: []byte(""),
results: nil,
},
{
name: "minimal",
input: []byte("cpu value=42"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Success,
},
},
},
{
name: "newline",
input: []byte("cpu value=42\n"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Success,
},
},
},
{
name: "minimal with timestamp",
input: []byte("cpu value=42 1516241192000000000"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Timestamp,
Value: []byte("1516241192000000000"),
},
{
Name: Success,
},
},
},
{
name: "measurement escape non-special",
input: []byte(`c\pu value=42`),
results: []Result{
{
Name: Measurement,
Value: []byte(`c\pu`),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Success,
},
},
},
{
name: "measurement escaped trailing backslash",
input: []byte(`cpu\\ value=42`),
results: []Result{
{
Name: Measurement,
Value: []byte(`cpu\\`),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Success,
},
},
},
{
name: "single char measurement",
input: []byte("c value=42"),
results: []Result{
{
Name: Measurement,
Value: []byte("c"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Success,
},
},
},
{
name: "escape backslash in measurement",
input: []byte(`cp\\u value=42`),
results: []Result{
{
Name: Measurement,
Value: []byte(`cp\\u`),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Success,
},
},
},
{
name: "measurement escape space",
input: []byte(`cpu\ abc value=42`),
results: []Result{
{
Name: Measurement,
Value: []byte(`cpu\ abc`),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Success,
},
},
},
{
name: "scientific float",
input: []byte("cpu value=42e0"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42e0"),
},
{
Name: Success,
},
},
},
{
name: "scientific float negative mantissa",
input: []byte("cpu value=-42e0"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("-42e0"),
},
{
Name: Success,
},
},
},
{
name: "scientific float negative exponent",
input: []byte("cpu value=42e-1"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42e-1"),
},
{
Name: Success,
},
},
},
{
name: "scientific float big e",
input: []byte("cpu value=42E0"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42E0"),
},
{
Name: Success,
},
},
},
{
name: "scientific float missing exponent",
input: []byte("cpu value=42E"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: Error,
err: influx.ErrFieldParse,
},
},
},
{
name: "float with decimal",
input: []byte("cpu value=42.2"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42.2"),
},
{
Name: Success,
},
},
},
{
name: "negative float",
input: []byte("cpu value=-42"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("-42"),
},
{
Name: Success,
},
},
},
{
name: "float without integer digits",
input: []byte("cpu value=.42"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte(".42"),
},
{
Name: Success,
},
},
},
{
name: "float without integer digits negative",
input: []byte("cpu value=-.42"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("-.42"),
},
{
Name: Success,
},
},
},
{
name: "float with multiple leading 0",
input: []byte("cpu value=00.42"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("00.42"),
},
{
Name: Success,
},
},
},
{
name: "invalid float with only dot",
input: []byte("cpu value=."),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: Error,
err: influx.ErrFieldParse,
},
},
},
{
name: "multiple fields",
input: []byte("cpu x=42,y=42"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("x"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: FieldKey,
Value: []byte("y"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Success,
},
},
},
{
name: "integer field",
input: []byte("cpu value=42i"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldInt,
Value: []byte("42i"),
},
{
Name: Success,
},
},
},
{
name: "negative integer field",
input: []byte("cpu value=-42i"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldInt,
Value: []byte("-42i"),
},
{
Name: Success,
},
},
},
{
name: "zero integer field",
input: []byte("cpu value=0i"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldInt,
Value: []byte("0i"),
},
{
Name: Success,
},
},
},
{
name: "negative zero integer field",
input: []byte("cpu value=-0i"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldInt,
Value: []byte("-0i"),
},
{
Name: Success,
},
},
},
{
name: "integer field overflow okay",
input: []byte("cpu value=9223372036854775808i"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldInt,
Value: []byte("9223372036854775808i"),
},
{
Name: Success,
},
},
},
{
name: "invalid field",
input: []byte("cpu value=howdy"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: Error,
err: influx.ErrFieldParse,
},
},
},
{
name: "string field",
input: []byte("cpu value=\"42\""),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldString,
Value: []byte("42"),
},
{
Name: Success,
},
},
},
{
name: "newline in string field",
input: []byte("cpu value=\"4\n2\""),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldString,
Value: []byte("4\n2"),
},
{
Name: Success,
},
},
},
{
name: "bool field",
input: []byte("cpu value=true"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldBool,
Value: []byte("true"),
},
{
Name: Success,
},
},
},
{
name: "tag",
input: []byte("cpu,host=localhost value=42"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: TagKey,
Value: []byte("host"),
},
{
Name: TagValue,
Value: []byte("localhost"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Success,
},
},
},
{
name: "tag key escape space",
input: []byte("cpu,h\\ ost=localhost value=42"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: TagKey,
Value: []byte(`h\ ost`),
},
{
Name: TagValue,
Value: []byte("localhost"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Success,
},
},
},
{
name: "tag key escape comma",
input: []byte("cpu,h\\,ost=localhost value=42"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: TagKey,
Value: []byte(`h\,ost`),
},
{
Name: TagValue,
Value: []byte("localhost"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Success,
},
},
},
{
name: "tag key escape equal",
input: []byte("cpu,h\\=ost=localhost value=42"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: TagKey,
Value: []byte(`h\=ost`),
},
{
Name: TagValue,
Value: []byte("localhost"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Success,
},
},
},
{
name: "multiple tags",
input: []byte("cpu,host=localhost,cpu=cpu0 value=42"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: TagKey,
Value: []byte("host"),
},
{
Name: TagValue,
Value: []byte("localhost"),
},
{
Name: TagKey,
Value: []byte("cpu"),
},
{
Name: TagValue,
Value: []byte("cpu0"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Success,
},
},
},
{
name: "tag value escape space",
input: []byte(`cpu,host=two\ words value=42`),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: TagKey,
Value: []byte("host"),
},
{
Name: TagValue,
Value: []byte(`two\ words`),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Success,
},
},
},
{
name: "tag value double escape space",
input: []byte(`cpu,host=two\\ words value=42`),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: TagKey,
Value: []byte("host"),
},
{
Name: TagValue,
Value: []byte(`two\\ words`),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Success,
},
},
},
{
name: "tag value triple escape space",
input: []byte(`cpu,host=two\\\ words value=42`),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: TagKey,
Value: []byte("host"),
},
{
Name: TagValue,
Value: []byte(`two\\\ words`),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Success,
},
},
},
{
name: "tag invalid missing separator",
input: []byte("cpu,xyzzy value=42"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: Error,
err: influx.ErrTagParse,
},
},
},
{
name: "tag invalid missing value",
input: []byte("cpu,xyzzy= value=42"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: Error,
err: influx.ErrTagParse,
},
},
},
{
name: "tag invalid unescaped space",
input: []byte("cpu,h ost=localhost value=42"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: Error,
err: influx.ErrTagParse,
},
},
},
{
name: "tag invalid unescaped comma",
input: []byte("cpu,h,ost=localhost value=42"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: Error,
err: influx.ErrTagParse,
},
},
},
{
name: "tag invalid unescaped equals",
input: []byte("cpu,h=ost=localhost value=42"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: Error,
err: influx.ErrTagParse,
},
},
},
{
name: "timestamp negative",
input: []byte("cpu value=42 -1"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Timestamp,
Value: []byte("-1"),
},
{
Name: Success,
},
},
},
{
name: "timestamp zero",
input: []byte("cpu value=42 0"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Timestamp,
Value: []byte("0"),
},
{
Name: Success,
},
},
},
{
name: "multiline",
input: []byte("cpu value=42\n\n\n\ncpu value=43"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Success,
},
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("43"),
},
{
Name: Success,
},
},
},
{
name: "error recovery",
input: []byte("cpu value=howdy,value2=42\ncpu\ncpu value=42"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: Error,
err: influx.ErrFieldParse,
},
{
Name: Error,
err: influx.ErrTagParse,
},
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Success,
},
},
},
{
name: "line whitespace",
input: []byte(" cpu value=42 1516241192000000000 \n\n cpu value=42"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Timestamp,
Value: []byte("1516241192000000000"),
},
{
Name: Success,
},
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Success,
},
},
},
{
name: "leading newline",
input: []byte("\ncpu value=42"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Success,
},
},
},
{
name: "invalid missing field value",
input: []byte("cpu value="),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: Error,
err: influx.ErrFieldParse,
},
},
},
{
name: "invalid eof field key",
input: []byte("cpu value"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: Error,
err: influx.ErrFieldParse,
},
},
},
{
name: "invalid measurement only",
input: []byte("cpu"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: Error,
err: influx.ErrTagParse,
},
},
},
{
name: "invalid measurement char",
input: []byte(","),
results: []Result{
{
Name: Error,
err: influx.ErrNameParse,
},
},
},
{
name: "invalid missing tag",
input: []byte("cpu, value=42"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: Error,
err: influx.ErrTagParse,
},
},
},
{
name: "invalid missing field",
input: []byte("cpu,x=y "),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: TagKey,
Value: []byte("x"),
},
{
Name: TagValue,
Value: []byte("y"),
},
{
Name: Error,
err: influx.ErrFieldParse,
},
},
},
{
name: "invalid too many fields",
input: []byte("cpu value=42 value=43"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Error,
err: influx.ErrTimestampParse,
},
},
},
{
name: "invalid timestamp too long",
input: []byte("cpu value=42 12345678901234567890"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Error,
err: influx.ErrTimestampParse,
},
},
},
{
name: "invalid open string field",
input: []byte(`cpu value="42 12345678901234567890`),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: Error,
err: influx.ErrFieldParse,
},
},
},
{
name: "invalid field value",
input: []byte("cpu value=howdy"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: Error,
err: influx.ErrFieldParse,
},
},
},
{
name: "invalid quoted timestamp",
input: []byte("cpu value=42 \"12345678901234567890\""),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Error,
err: influx.ErrTimestampParse,
},
},
},
{
name: "comment only",
input: []byte("# blah blah"),
results: []Result(nil),
},
{
name: "commented line",
input: []byte("# blah blah\ncpu value=42"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Success,
},
},
},
{
name: "middle comment",
input: []byte("cpu value=42\n# blah blah\ncpu value=42"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Success,
},
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Success,
},
},
},
{
name: "end with comment",
input: []byte("cpu value=42\n# blah blah"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Success,
},
},
},
{
name: "end with comment and whitespace",
input: []byte("cpu value=42\n# blah blah\n\n "),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Success,
},
},
},
{
name: "unicode",
input: []byte("cpu ☺=42"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("☺"),
},
{
Name: FieldFloat,
Value: []byte("42"),
},
{
Name: Success,
},
},
},
}
func TestMachine(t *testing.T) {
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
handler := &TestingHandler{}
fsm := influx.NewMachine(handler)
fsm.SetData(tt.input)
for i := 0; i < 20; i++ {
err := fsm.Next()
if err != nil && err == influx.EOF {
break
}
handler.Result(err)
}
results := handler.Results()
require.Equal(t, tt.results, results)
})
}
}
func TestMachinePosition(t *testing.T) {
var tests = []struct {
name string
input []byte
lineno int
column int
}{
{
name: "empty string",
input: []byte(""),
lineno: 1,
column: 1,
},
{
name: "minimal",
input: []byte("cpu value=42"),
lineno: 1,
column: 13,
},
{
name: "one newline",
input: []byte("cpu value=42\ncpu value=42"),
lineno: 2,
column: 13,
},
{
name: "several newlines",
input: []byte("cpu value=42\n\n\n"),
lineno: 4,
column: 1,
},
{
name: "error on second line",
input: []byte("cpu value=42\ncpu value=invalid"),
lineno: 2,
column: 11,
},
{
name: "error after comment line",
input: []byte("cpu value=42\n# comment\ncpu value=invalid"),
lineno: 3,
column: 11,
},
{
name: "dos line endings",
input: []byte("cpu value=42\r\ncpu value=invalid"),
lineno: 2,
column: 11,
},
{
name: "mac line endings not supported",
input: []byte("cpu value=42\rcpu value=invalid"),
lineno: 1,
column: 14,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
handler := &TestingHandler{}
fsm := influx.NewMachine(handler)
fsm.SetData(tt.input)
// Parse until an error or eof
for i := 0; i < 20; i++ {
err := fsm.Next()
if err != nil {
break
}
}
require.Equal(t, tt.lineno, fsm.LineNumber(), "lineno")
require.Equal(t, tt.column, fsm.Column(), "column")
})
}
}
func BenchmarkMachine(b *testing.B) {
for _, tt := range tests {
b.Run(tt.name, func(b *testing.B) {
handler := &BenchmarkingHandler{}
fsm := influx.NewMachine(handler)
for n := 0; n < b.N; n++ {
fsm.SetData(tt.input)
for {
err := fsm.Next()
if err != nil {
break
}
}
}
})
}
}
func TestMachineProcstat(t *testing.T) {
input := []byte("procstat,exe=bash,process_name=bash voluntary_context_switches=42i,memory_rss=5103616i,rlimit_memory_data_hard=2147483647i,cpu_time_user=0.02,rlimit_file_locks_soft=2147483647i,pid=29417i,cpu_time_nice=0,rlimit_memory_locked_soft=65536i,read_count=259i,rlimit_memory_vms_hard=2147483647i,memory_swap=0i,rlimit_num_fds_soft=1024i,rlimit_nice_priority_hard=0i,cpu_time_soft_irq=0,cpu_time=0i,rlimit_memory_locked_hard=65536i,realtime_priority=0i,signals_pending=0i,nice_priority=20i,cpu_time_idle=0,memory_stack=139264i,memory_locked=0i,rlimit_memory_stack_soft=8388608i,cpu_time_iowait=0,cpu_time_guest=0,cpu_time_guest_nice=0,rlimit_memory_data_soft=2147483647i,read_bytes=0i,rlimit_cpu_time_soft=2147483647i,involuntary_context_switches=2i,write_bytes=106496i,cpu_time_system=0,cpu_time_irq=0,cpu_usage=0,memory_vms=21659648i,memory_data=1576960i,rlimit_memory_stack_hard=2147483647i,num_threads=1i,cpu_time_stolen=0,rlimit_memory_rss_soft=2147483647i,rlimit_realtime_priority_soft=0i,num_fds=4i,write_count=35i,rlimit_signals_pending_soft=78994i,cpu_time_steal=0,rlimit_num_fds_hard=4096i,rlimit_file_locks_hard=2147483647i,rlimit_cpu_time_hard=2147483647i,rlimit_signals_pending_hard=78994i,rlimit_nice_priority_soft=0i,rlimit_memory_rss_hard=2147483647i,rlimit_memory_vms_soft=2147483647i,rlimit_realtime_priority_hard=0i 1517620624000000000")
handler := &TestingHandler{}
fsm := influx.NewMachine(handler)
fsm.SetData(input)
for {
err := fsm.Next()
if err != nil {
break
}
}
}
func BenchmarkMachineProcstat(b *testing.B) {
input := []byte("procstat,exe=bash,process_name=bash voluntary_context_switches=42i,memory_rss=5103616i,rlimit_memory_data_hard=2147483647i,cpu_time_user=0.02,rlimit_file_locks_soft=2147483647i,pid=29417i,cpu_time_nice=0,rlimit_memory_locked_soft=65536i,read_count=259i,rlimit_memory_vms_hard=2147483647i,memory_swap=0i,rlimit_num_fds_soft=1024i,rlimit_nice_priority_hard=0i,cpu_time_soft_irq=0,cpu_time=0i,rlimit_memory_locked_hard=65536i,realtime_priority=0i,signals_pending=0i,nice_priority=20i,cpu_time_idle=0,memory_stack=139264i,memory_locked=0i,rlimit_memory_stack_soft=8388608i,cpu_time_iowait=0,cpu_time_guest=0,cpu_time_guest_nice=0,rlimit_memory_data_soft=2147483647i,read_bytes=0i,rlimit_cpu_time_soft=2147483647i,involuntary_context_switches=2i,write_bytes=106496i,cpu_time_system=0,cpu_time_irq=0,cpu_usage=0,memory_vms=21659648i,memory_data=1576960i,rlimit_memory_stack_hard=2147483647i,num_threads=1i,cpu_time_stolen=0,rlimit_memory_rss_soft=2147483647i,rlimit_realtime_priority_soft=0i,num_fds=4i,write_count=35i,rlimit_signals_pending_soft=78994i,cpu_time_steal=0,rlimit_num_fds_hard=4096i,rlimit_file_locks_hard=2147483647i,rlimit_cpu_time_hard=2147483647i,rlimit_signals_pending_hard=78994i,rlimit_nice_priority_soft=0i,rlimit_memory_rss_hard=2147483647i,rlimit_memory_vms_soft=2147483647i,rlimit_realtime_priority_hard=0i 1517620624000000000")
handler := &BenchmarkingHandler{}
fsm := influx.NewMachine(handler)
for n := 0; n < b.N; n++ {
fsm.SetData(input)
for {
err := fsm.Next()
if err != nil {
break
}
}
}
}
func TestSeriesMachine(t *testing.T) {
var tests = []struct {
name string
input []byte
results []Result
err error
}{
{
name: "empty string",
input: []byte(""),
results: nil,
},
{
name: "no tags",
input: []byte("cpu"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: Success,
},
},
},
{
name: "tags",
input: []byte("cpu,a=x,b=y"),
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: TagKey,
Value: []byte("a"),
},
{
Name: TagValue,
Value: []byte("x"),
},
{
Name: TagKey,
Value: []byte("b"),
},
{
Name: TagValue,
Value: []byte("y"),
},
{
Name: Success,
},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
handler := &TestingHandler{}
fsm := influx.NewSeriesMachine(handler)
fsm.SetData(tt.input)
for {
err := fsm.Next()
if err != nil {
break
}
handler.Result(err)
}
results := handler.Results()
require.Equal(t, tt.results, results)
})
}
}
type MockHandler struct {
SetMeasurementF func(name []byte) error
AddTagF func(key []byte, value []byte) error
AddIntF func(key []byte, value []byte) error
AddUintF func(key []byte, value []byte) error
AddFloatF func(key []byte, value []byte) error
AddStringF func(key []byte, value []byte) error
AddBoolF func(key []byte, value []byte) error
SetTimestampF func(tm []byte) error
TestingHandler
}
func (h *MockHandler) SetMeasurement(name []byte) error {
h.TestingHandler.SetMeasurement(name)
return h.SetMeasurementF(name)
}
func (h *MockHandler) AddTag(name, value []byte) error {
return h.AddTagF(name, value)
}
func (h *MockHandler) AddInt(name, value []byte) error {
err := h.AddIntF(name, value)
if err != nil {
return err
}
h.TestingHandler.AddInt(name, value)
return nil
}
func (h *MockHandler) AddUint(name, value []byte) error {
err := h.AddUintF(name, value)
if err != nil {
return err
}
h.TestingHandler.AddUint(name, value)
return nil
}
func (h *MockHandler) AddFloat(name, value []byte) error {
return h.AddFloatF(name, value)
}
func (h *MockHandler) AddString(name, value []byte) error {
return h.AddStringF(name, value)
}
func (h *MockHandler) AddBool(name, value []byte) error {
return h.AddBoolF(name, value)
}
func (h *MockHandler) SetTimestamp(tm []byte) error {
return h.SetTimestampF(tm)
}
func TestHandlerErrorRecovery(t *testing.T) {
var tests = []struct {
name string
input []byte
handler *MockHandler
results []Result
}{
{
name: "integer",
input: []byte("cpu value=43i\ncpu value=42i"),
handler: &MockHandler{
SetMeasurementF: func(name []byte) error {
return nil
},
AddIntF: func(name, value []byte) error {
if string(value) != "42i" {
return errors.New("handler error")
}
return nil
},
},
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: Error,
err: errors.New("handler error"),
},
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldInt,
Value: []byte("42i"),
},
{
Name: Success,
},
},
},
{
name: "integer with timestamp",
input: []byte("cpu value=43i 1516241192000000000\ncpu value=42i"),
handler: &MockHandler{
SetMeasurementF: func(name []byte) error {
return nil
},
AddIntF: func(name, value []byte) error {
if string(value) != "42i" {
return errors.New("handler error")
}
return nil
},
},
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: Error,
err: errors.New("handler error"),
},
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldInt,
Value: []byte("42i"),
},
{
Name: Success,
},
},
},
{
name: "unsigned",
input: []byte("cpu value=43u\ncpu value=42u"),
handler: &MockHandler{
SetMeasurementF: func(name []byte) error {
return nil
},
AddUintF: func(name, value []byte) error {
if string(value) != "42u" {
return errors.New("handler error")
}
return nil
},
},
results: []Result{
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: Error,
err: errors.New("handler error"),
},
{
Name: Measurement,
Value: []byte("cpu"),
},
{
Name: FieldKey,
Value: []byte("value"),
},
{
Name: FieldUint,
Value: []byte("42u"),
},
{
Name: Success,
},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
fsm := influx.NewMachine(tt.handler)
fsm.SetData(tt.input)
for i := 0; i < 20; i++ {
err := fsm.Next()
if err != nil && err == influx.EOF {
break
}
tt.handler.Result(err)
}
results := tt.handler.Results()
require.Equal(t, tt.results, results)
})
}
}