+++ /dev/null
-package logfmt_test
-
-import (
- "bytes"
- "errors"
- "fmt"
- "io/ioutil"
- "reflect"
- "testing"
- "time"
-
- "github.com/go-logfmt/logfmt"
-)
-
-func TestEncodeKeyval(t *testing.T) {
- data := []struct {
- key, value interface{}
- want string
- err error
- }{
- {key: "k", value: "v", want: "k=v"},
- {key: "k", value: nil, want: "k=null"},
- {key: `\`, value: "v", want: `\=v`},
- {key: "k", value: "", want: "k="},
- {key: "k", value: "null", want: `k="null"`},
- {key: "k", value: "<nil>", want: `k=<nil>`},
- {key: "k", value: true, want: "k=true"},
- {key: "k", value: 1, want: "k=1"},
- {key: "k", value: 1.025, want: "k=1.025"},
- {key: "k", value: 1e-3, want: "k=0.001"},
- {key: "k", value: 3.5 + 2i, want: "k=(3.5+2i)"},
- {key: "k", value: "v v", want: `k="v v"`},
- {key: "k", value: " ", want: `k=" "`},
- {key: "k", value: `"`, want: `k="\""`},
- {key: "k", value: `=`, want: `k="="`},
- {key: "k", value: `\`, want: `k=\`},
- {key: "k", value: `=\`, want: `k="=\\"`},
- {key: "k", value: `\"`, want: `k="\\\""`},
- {key: "k", value: [2]int{2, 19}, err: logfmt.ErrUnsupportedValueType},
- {key: "k", value: []string{"e1", "e 2"}, err: logfmt.ErrUnsupportedValueType},
- {key: "k", value: structData{"a a", 9}, err: logfmt.ErrUnsupportedValueType},
- {key: "k", value: decimalMarshaler{5, 9}, want: "k=5.9"},
- {key: "k", value: (*decimalMarshaler)(nil), want: "k=null"},
- {key: "k", value: decimalStringer{5, 9}, want: "k=5.9"},
- {key: "k", value: (*decimalStringer)(nil), want: "k=null"},
- {key: "k", value: marshalerStringer{5, 9}, want: "k=5.9"},
- {key: "k", value: (*marshalerStringer)(nil), want: "k=null"},
- {key: "k", value: new(nilMarshaler), want: "k=notnilmarshaler"},
- {key: "k", value: (*nilMarshaler)(nil), want: "k=nilmarshaler"},
- {key: (*marshalerStringer)(nil), value: "v", err: logfmt.ErrNilKey},
- {key: decimalMarshaler{5, 9}, value: "v", want: "5.9=v"},
- {key: (*decimalMarshaler)(nil), value: "v", err: logfmt.ErrNilKey},
- {key: decimalStringer{5, 9}, value: "v", want: "5.9=v"},
- {key: (*decimalStringer)(nil), value: "v", err: logfmt.ErrNilKey},
- {key: marshalerStringer{5, 9}, value: "v", want: "5.9=v"},
- {key: "k", value: "\xbd", want: `k="\ufffd"`},
- {key: "k", value: "\ufffd\x00", want: `k="\ufffd\u0000"`},
- {key: "k", value: "\ufffd", want: `k="\ufffd"`},
- {key: "k", value: []byte("\ufffd\x00"), want: `k="\ufffd\u0000"`},
- {key: "k", value: []byte("\ufffd"), want: `k="\ufffd"`},
- }
-
- for _, d := range data {
- w := &bytes.Buffer{}
- enc := logfmt.NewEncoder(w)
- err := enc.EncodeKeyval(d.key, d.value)
- if err != d.err {
- t.Errorf("%#v, %#v: got error: %v, want error: %v", d.key, d.value, err, d.err)
- }
- if got, want := w.String(), d.want; got != want {
- t.Errorf("%#v, %#v: got '%s', want '%s'", d.key, d.value, got, want)
- }
- }
-}
-
-func TestMarshalKeyvals(t *testing.T) {
- one := 1
- ptr := &one
- nilPtr := (*int)(nil)
-
- data := []struct {
- in []interface{}
- want []byte
- err error
- }{
- {in: nil, want: nil},
- {in: kv(), want: nil},
- {in: kv(nil, "v"), err: logfmt.ErrNilKey},
- {in: kv(nilPtr, "v"), err: logfmt.ErrNilKey},
- {in: kv("\ufffd"), err: logfmt.ErrInvalidKey},
- {in: kv("\xbd"), err: logfmt.ErrInvalidKey},
- {in: kv("k"), want: []byte("k=null")},
- {in: kv("k", nil), want: []byte("k=null")},
- {in: kv("k", ""), want: []byte("k=")},
- {in: kv("k", "null"), want: []byte(`k="null"`)},
- {in: kv("k", "v"), want: []byte("k=v")},
- {in: kv("k", true), want: []byte("k=true")},
- {in: kv("k", 1), want: []byte("k=1")},
- {in: kv("k", ptr), want: []byte("k=1")},
- {in: kv("k", nilPtr), want: []byte("k=null")},
- {in: kv("k", 1.025), want: []byte("k=1.025")},
- {in: kv("k", 1e-3), want: []byte("k=0.001")},
- {in: kv("k", "v v"), want: []byte(`k="v v"`)},
- {in: kv("k", `"`), want: []byte(`k="\""`)},
- {in: kv("k", `=`), want: []byte(`k="="`)},
- {in: kv("k", `\`), want: []byte(`k=\`)},
- {in: kv("k", `=\`), want: []byte(`k="=\\"`)},
- {in: kv("k", `\"`), want: []byte(`k="\\\""`)},
- {in: kv("k1", "v1", "k2", "v2"), want: []byte("k1=v1 k2=v2")},
- {in: kv("k1", "v1", "k2", [2]int{}), want: []byte("k1=v1 k2=\"unsupported value type\"")},
- {in: kv([2]int{}, "v1", "k2", "v2"), want: []byte("k2=v2")},
- {in: kv("k", time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC)), want: []byte("k=2009-11-10T23:00:00Z")},
- {in: kv("k", errorMarshaler{}), want: []byte("k=\"error marshaling value of type logfmt_test.errorMarshaler: marshal error\"")},
- {in: kv("k", decimalMarshaler{5, 9}), want: []byte("k=5.9")},
- {in: kv("k", (*decimalMarshaler)(nil)), want: []byte("k=null")},
- {in: kv("k", decimalStringer{5, 9}), want: []byte("k=5.9")},
- {in: kv("k", (*decimalStringer)(nil)), want: []byte("k=null")},
- {in: kv("k", marshalerStringer{5, 9}), want: []byte("k=5.9")},
- {in: kv("k", (*marshalerStringer)(nil)), want: []byte("k=null")},
- {in: kv(one, "v"), want: []byte("1=v")},
- {in: kv(ptr, "v"), want: []byte("1=v")},
- {in: kv((*marshalerStringer)(nil), "v"), err: logfmt.ErrNilKey},
- {in: kv(decimalMarshaler{5, 9}, "v"), want: []byte("5.9=v")},
- {in: kv((*decimalMarshaler)(nil), "v"), err: logfmt.ErrNilKey},
- {in: kv(decimalStringer{5, 9}, "v"), want: []byte("5.9=v")},
- {in: kv((*decimalStringer)(nil), "v"), err: logfmt.ErrNilKey},
- {in: kv(marshalerStringer{5, 9}, "v"), want: []byte("5.9=v")},
- }
-
- for _, d := range data {
- got, err := logfmt.MarshalKeyvals(d.in...)
- if err != d.err {
- t.Errorf("%#v: got error: %v, want error: %v", d.in, err, d.err)
- }
- if !reflect.DeepEqual(got, d.want) {
- t.Errorf("%#v: got '%s', want '%s'", d.in, got, d.want)
- }
- }
-}
-
-func kv(keyvals ...interface{}) []interface{} {
- return keyvals
-}
-
-type structData struct {
- A string `logfmt:"fieldA"`
- B int
-}
-
-type nilMarshaler int
-
-func (m *nilMarshaler) MarshalText() ([]byte, error) {
- if m == nil {
- return []byte("nilmarshaler"), nil
- }
- return []byte("notnilmarshaler"), nil
-}
-
-type decimalMarshaler struct {
- a, b int
-}
-
-func (t decimalMarshaler) MarshalText() ([]byte, error) {
- buf := &bytes.Buffer{}
- fmt.Fprintf(buf, "%d.%d", t.a, t.b)
- return buf.Bytes(), nil
-}
-
-type decimalStringer struct {
- a, b int
-}
-
-func (s decimalStringer) String() string {
- return fmt.Sprintf("%d.%d", s.a, s.b)
-}
-
-type marshalerStringer struct {
- a, b int
-}
-
-func (t marshalerStringer) MarshalText() ([]byte, error) {
- buf := &bytes.Buffer{}
- fmt.Fprintf(buf, "%d.%d", t.a, t.b)
- return buf.Bytes(), nil
-}
-
-func (t marshalerStringer) String() string {
- return fmt.Sprint(t.a + t.b)
-}
-
-var errMarshal = errors.New("marshal error")
-
-type errorMarshaler struct{}
-
-func (errorMarshaler) MarshalText() ([]byte, error) {
- return nil, errMarshal
-}
-
-func BenchmarkEncodeKeyval(b *testing.B) {
- b.ReportAllocs()
- enc := logfmt.NewEncoder(ioutil.Discard)
- for i := 0; i < b.N; i++ {
- enc.EncodeKeyval("sk", "10")
- enc.EncodeKeyval("some-key", "a rather long string with spaces")
- }
-}
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