zlog/console_test.go

388 lines
12 KiB
Go
Raw Permalink Normal View History

2022-03-20 19:19:42 +00:00
package zlog_test
import (
"bytes"
"fmt"
"io/ioutil"
"os"
"strings"
"testing"
"time"
2022-11-03 15:18:09 +00:00
"tuxpa.in/a/zlog"
)
func ExampleConsoleWriter() {
2022-03-20 19:19:42 +00:00
log := zlog.New(zlog.ConsoleWriter{Out: os.Stdout, NoColor: true})
log.Info().Str("foo", "bar").Msg("Hello World")
// Output: <nil> INF Hello World foo=bar
}
func ExampleConsoleWriter_customFormatters() {
2022-03-20 19:19:42 +00:00
out := zlog.ConsoleWriter{Out: os.Stdout, NoColor: true}
out.FormatLevel = func(i interface{}) string { return strings.ToUpper(fmt.Sprintf("%-6s|", i)) }
out.FormatFieldName = func(i interface{}) string { return fmt.Sprintf("%s:", i) }
out.FormatFieldValue = func(i interface{}) string { return strings.ToUpper(fmt.Sprintf("%s", i)) }
2022-03-20 19:19:42 +00:00
log := zlog.New(out)
log.Info().Str("foo", "bar").Msg("Hello World")
// Output: <nil> INFO | Hello World foo:BAR
}
func ExampleNewConsoleWriter() {
2022-03-20 19:19:42 +00:00
out := zlog.NewConsoleWriter()
out.NoColor = true // For testing purposes only
2022-03-20 19:19:42 +00:00
log := zlog.New(out)
log.Debug().Str("foo", "bar").Msg("Hello World")
// Output: <nil> DBG Hello World foo=bar
}
func ExampleNewConsoleWriter_customFormatters() {
2022-03-20 19:19:42 +00:00
out := zlog.NewConsoleWriter(
func(w *zlog.ConsoleWriter) {
// Customize time format
w.TimeFormat = time.RFC822
// Customize level formatting
w.FormatLevel = func(i interface{}) string { return strings.ToUpper(fmt.Sprintf("[%-5s]", i)) }
},
)
out.NoColor = true // For testing purposes only
2022-03-20 19:19:42 +00:00
log := zlog.New(out)
log.Info().Str("foo", "bar").Msg("Hello World")
// Output: <nil> [INFO ] Hello World foo=bar
}
func TestConsoleLogger(t *testing.T) {
t.Run("Numbers", func(t *testing.T) {
buf := &bytes.Buffer{}
2022-03-20 19:19:42 +00:00
log := zlog.New(zlog.ConsoleWriter{Out: buf, NoColor: true})
log.Info().
Float64("float", 1.23).
Uint64("small", 123).
Uint64("big", 1152921504606846976).
Msg("msg")
if got, want := strings.TrimSpace(buf.String()), "<nil> INF msg big=1152921504606846976 float=1.23 small=123"; got != want {
t.Errorf("\ngot:\n%s\nwant:\n%s", got, want)
}
})
}
func TestConsoleWriter(t *testing.T) {
t.Run("Default field formatter", func(t *testing.T) {
buf := &bytes.Buffer{}
2022-03-20 19:19:42 +00:00
w := zlog.ConsoleWriter{Out: buf, NoColor: true, PartsOrder: []string{"foo"}}
_, err := w.Write([]byte(`{"foo": "DEFAULT"}`))
if err != nil {
t.Errorf("Unexpected error when writing output: %s", err)
}
expectedOutput := "DEFAULT foo=DEFAULT\n"
actualOutput := buf.String()
if actualOutput != expectedOutput {
t.Errorf("Unexpected output %q, want: %q", actualOutput, expectedOutput)
}
})
t.Run("Write colorized", func(t *testing.T) {
buf := &bytes.Buffer{}
2022-03-20 19:19:42 +00:00
w := zlog.ConsoleWriter{Out: buf, NoColor: false}
_, err := w.Write([]byte(`{"level": "warn", "message": "Foobar"}`))
if err != nil {
t.Errorf("Unexpected error when writing output: %s", err)
}
expectedOutput := "\x1b[90m<nil>\x1b[0m \x1b[31mWRN\x1b[0m Foobar\n"
actualOutput := buf.String()
if actualOutput != expectedOutput {
t.Errorf("Unexpected output %q, want: %q", actualOutput, expectedOutput)
}
})
t.Run("Write fields", func(t *testing.T) {
buf := &bytes.Buffer{}
2022-03-20 19:19:42 +00:00
w := zlog.ConsoleWriter{Out: buf, NoColor: true}
d := time.Unix(0, 0).UTC().Format(time.RFC3339)
_, err := w.Write([]byte(`{"time": "` + d + `", "level": "debug", "message": "Foobar", "foo": "bar"}`))
if err != nil {
t.Errorf("Unexpected error when writing output: %s", err)
}
expectedOutput := "12:00AM DBG Foobar foo=bar\n"
actualOutput := buf.String()
if actualOutput != expectedOutput {
t.Errorf("Unexpected output %q, want: %q", actualOutput, expectedOutput)
}
})
t.Run("Unix timestamp input format", func(t *testing.T) {
2022-03-20 19:19:42 +00:00
of := zlog.TimeFieldFormat
defer func() {
2022-03-20 19:19:42 +00:00
zlog.TimeFieldFormat = of
}()
2022-03-20 19:19:42 +00:00
zlog.TimeFieldFormat = zlog.TimeFormatUnix
buf := &bytes.Buffer{}
2022-03-20 19:19:42 +00:00
w := zlog.ConsoleWriter{Out: buf, TimeFormat: time.StampMilli, NoColor: true}
_, err := w.Write([]byte(`{"time": 1234, "level": "debug", "message": "Foobar", "foo": "bar"}`))
if err != nil {
t.Errorf("Unexpected error when writing output: %s", err)
}
expectedOutput := "Jan 1 00:20:34.000 DBG Foobar foo=bar\n"
actualOutput := buf.String()
if actualOutput != expectedOutput {
t.Errorf("Unexpected output %q, want: %q", actualOutput, expectedOutput)
}
})
t.Run("Unix timestamp ms input format", func(t *testing.T) {
2022-03-20 19:19:42 +00:00
of := zlog.TimeFieldFormat
defer func() {
2022-03-20 19:19:42 +00:00
zlog.TimeFieldFormat = of
}()
2022-03-20 19:19:42 +00:00
zlog.TimeFieldFormat = zlog.TimeFormatUnixMs
buf := &bytes.Buffer{}
2022-03-20 19:19:42 +00:00
w := zlog.ConsoleWriter{Out: buf, TimeFormat: time.StampMilli, NoColor: true}
_, err := w.Write([]byte(`{"time": 1234567, "level": "debug", "message": "Foobar", "foo": "bar"}`))
if err != nil {
t.Errorf("Unexpected error when writing output: %s", err)
}
expectedOutput := "Jan 1 00:20:34.567 DBG Foobar foo=bar\n"
actualOutput := buf.String()
if actualOutput != expectedOutput {
t.Errorf("Unexpected output %q, want: %q", actualOutput, expectedOutput)
}
})
t.Run("Unix timestamp us input format", func(t *testing.T) {
2022-03-20 19:19:42 +00:00
of := zlog.TimeFieldFormat
defer func() {
2022-03-20 19:19:42 +00:00
zlog.TimeFieldFormat = of
}()
2022-03-20 19:19:42 +00:00
zlog.TimeFieldFormat = zlog.TimeFormatUnixMicro
buf := &bytes.Buffer{}
2022-03-20 19:19:42 +00:00
w := zlog.ConsoleWriter{Out: buf, TimeFormat: time.StampMicro, NoColor: true}
_, err := w.Write([]byte(`{"time": 1234567891, "level": "debug", "message": "Foobar", "foo": "bar"}`))
if err != nil {
t.Errorf("Unexpected error when writing output: %s", err)
}
expectedOutput := "Jan 1 00:20:34.567891 DBG Foobar foo=bar\n"
actualOutput := buf.String()
if actualOutput != expectedOutput {
t.Errorf("Unexpected output %q, want: %q", actualOutput, expectedOutput)
}
})
t.Run("No message field", func(t *testing.T) {
buf := &bytes.Buffer{}
2022-03-20 19:19:42 +00:00
w := zlog.ConsoleWriter{Out: buf, NoColor: true}
_, err := w.Write([]byte(`{"level": "debug", "foo": "bar"}`))
if err != nil {
t.Errorf("Unexpected error when writing output: %s", err)
}
expectedOutput := "<nil> DBG foo=bar\n"
actualOutput := buf.String()
if actualOutput != expectedOutput {
t.Errorf("Unexpected output %q, want: %q", actualOutput, expectedOutput)
}
})
t.Run("No level field", func(t *testing.T) {
buf := &bytes.Buffer{}
2022-03-20 19:19:42 +00:00
w := zlog.ConsoleWriter{Out: buf, NoColor: true}
_, err := w.Write([]byte(`{"message": "Foobar", "foo": "bar"}`))
if err != nil {
t.Errorf("Unexpected error when writing output: %s", err)
}
expectedOutput := "<nil> ??? Foobar foo=bar\n"
actualOutput := buf.String()
if actualOutput != expectedOutput {
t.Errorf("Unexpected output %q, want: %q", actualOutput, expectedOutput)
}
})
t.Run("Write colorized fields", func(t *testing.T) {
buf := &bytes.Buffer{}
2022-03-20 19:19:42 +00:00
w := zlog.ConsoleWriter{Out: buf, NoColor: false}
_, err := w.Write([]byte(`{"level": "warn", "message": "Foobar", "foo": "bar"}`))
if err != nil {
t.Errorf("Unexpected error when writing output: %s", err)
}
expectedOutput := "\x1b[90m<nil>\x1b[0m \x1b[31mWRN\x1b[0m Foobar \x1b[36mfoo=\x1b[0mbar\n"
actualOutput := buf.String()
if actualOutput != expectedOutput {
t.Errorf("Unexpected output %q, want: %q", actualOutput, expectedOutput)
}
})
t.Run("Write error field", func(t *testing.T) {
buf := &bytes.Buffer{}
2022-03-20 19:19:42 +00:00
w := zlog.ConsoleWriter{Out: buf, NoColor: true}
d := time.Unix(0, 0).UTC().Format(time.RFC3339)
evt := `{"time": "` + d + `", "level": "error", "message": "Foobar", "aaa": "bbb", "error": "Error"}`
// t.Log(evt)
_, err := w.Write([]byte(evt))
if err != nil {
t.Errorf("Unexpected error when writing output: %s", err)
}
expectedOutput := "12:00AM ERR Foobar error=Error aaa=bbb\n"
actualOutput := buf.String()
if actualOutput != expectedOutput {
t.Errorf("Unexpected output %q, want: %q", actualOutput, expectedOutput)
}
})
t.Run("Write caller field", func(t *testing.T) {
buf := &bytes.Buffer{}
2022-03-20 19:19:42 +00:00
w := zlog.ConsoleWriter{Out: buf, NoColor: true}
cwd, err := os.Getwd()
if err != nil {
t.Fatalf("Cannot get working directory: %s", err)
}
d := time.Unix(0, 0).UTC().Format(time.RFC3339)
evt := `{"time": "` + d + `", "level": "debug", "message": "Foobar", "foo": "bar", "caller": "` + cwd + `/foo/bar.go"}`
// t.Log(evt)
_, err = w.Write([]byte(evt))
if err != nil {
t.Errorf("Unexpected error when writing output: %s", err)
}
expectedOutput := "12:00AM DBG foo/bar.go > Foobar foo=bar\n"
actualOutput := buf.String()
if actualOutput != expectedOutput {
t.Errorf("Unexpected output %q, want: %q", actualOutput, expectedOutput)
}
})
t.Run("Write JSON field", func(t *testing.T) {
buf := &bytes.Buffer{}
2022-03-20 19:19:42 +00:00
w := zlog.ConsoleWriter{Out: buf, NoColor: true}
evt := `{"level": "debug", "message": "Foobar", "foo": [1, 2, 3], "bar": true}`
// t.Log(evt)
_, err := w.Write([]byte(evt))
if err != nil {
t.Errorf("Unexpected error when writing output: %s", err)
}
expectedOutput := "<nil> DBG Foobar bar=true foo=[1,2,3]\n"
actualOutput := buf.String()
if actualOutput != expectedOutput {
t.Errorf("Unexpected output %q, want: %q", actualOutput, expectedOutput)
}
})
}
func TestConsoleWriterConfiguration(t *testing.T) {
t.Run("Sets TimeFormat", func(t *testing.T) {
buf := &bytes.Buffer{}
2022-03-20 19:19:42 +00:00
w := zlog.ConsoleWriter{Out: buf, NoColor: true, TimeFormat: time.RFC3339}
d := time.Unix(0, 0).UTC().Format(time.RFC3339)
evt := `{"time": "` + d + `", "level": "info", "message": "Foobar"}`
_, err := w.Write([]byte(evt))
if err != nil {
t.Errorf("Unexpected error when writing output: %s", err)
}
expectedOutput := "1970-01-01T00:00:00Z INF Foobar\n"
actualOutput := buf.String()
if actualOutput != expectedOutput {
t.Errorf("Unexpected output %q, want: %q", actualOutput, expectedOutput)
}
})
t.Run("Sets PartsOrder", func(t *testing.T) {
buf := &bytes.Buffer{}
2022-03-20 19:19:42 +00:00
w := zlog.ConsoleWriter{Out: buf, NoColor: true, PartsOrder: []string{"message", "level"}}
evt := `{"level": "info", "message": "Foobar"}`
_, err := w.Write([]byte(evt))
if err != nil {
t.Errorf("Unexpected error when writing output: %s", err)
}
expectedOutput := "Foobar INF\n"
actualOutput := buf.String()
if actualOutput != expectedOutput {
t.Errorf("Unexpected output %q, want: %q", actualOutput, expectedOutput)
}
})
t.Run("Sets PartsExclude", func(t *testing.T) {
buf := &bytes.Buffer{}
2022-03-20 19:19:42 +00:00
w := zlog.ConsoleWriter{Out: buf, NoColor: true, PartsExclude: []string{"time"}}
d := time.Unix(0, 0).UTC().Format(time.RFC3339)
evt := `{"time": "` + d + `", "level": "info", "message": "Foobar"}`
_, err := w.Write([]byte(evt))
if err != nil {
t.Errorf("Unexpected error when writing output: %s", err)
}
expectedOutput := "INF Foobar\n"
actualOutput := buf.String()
if actualOutput != expectedOutput {
t.Errorf("Unexpected output %q, want: %q", actualOutput, expectedOutput)
}
})
t.Run("Sets FieldsExclude", func(t *testing.T) {
buf := &bytes.Buffer{}
2022-03-20 19:19:42 +00:00
w := zlog.ConsoleWriter{Out: buf, NoColor: true, FieldsExclude: []string{"foo"}}
evt := `{"level": "info", "message": "Foobar", "foo":"bar", "baz":"quux"}`
_, err := w.Write([]byte(evt))
if err != nil {
t.Errorf("Unexpected error when writing output: %s", err)
}
expectedOutput := "<nil> INF Foobar baz=quux\n"
actualOutput := buf.String()
if actualOutput != expectedOutput {
t.Errorf("Unexpected output %q, want: %q", actualOutput, expectedOutput)
}
})
}
func BenchmarkConsoleWriter(b *testing.B) {
b.ResetTimer()
b.ReportAllocs()
var msg = []byte(`{"level": "info", "foo": "bar", "message": "HELLO", "time": "1990-01-01"}`)
2022-03-20 19:19:42 +00:00
w := zlog.ConsoleWriter{Out: ioutil.Discard, NoColor: false}
for i := 0; i < b.N; i++ {
w.Write(msg)
}
}