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120 lines
2.9 KiB
120 lines
2.9 KiB
package log_test
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import (
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"bytes"
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"errors"
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"io/ioutil"
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"math"
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"regexp"
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"testing"
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kitlog "github.com/go-kit/kit/log"
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"github.com/stretchr/testify/assert"
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"github.com/tendermint/tendermint/libs/log"
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)
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func TestTMFmtLogger(t *testing.T) {
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t.Parallel()
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buf := &bytes.Buffer{}
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logger := log.NewTMFmtLogger(buf)
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if err := logger.Log("hello", "world"); err != nil {
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t.Fatal(err)
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}
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assert.Regexp(t, regexp.MustCompile(`N\[.+\] unknown \s+ hello=world\n$`), buf.String())
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buf.Reset()
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if err := logger.Log("a", 1, "err", errors.New("error")); err != nil {
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t.Fatal(err)
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}
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assert.Regexp(t, regexp.MustCompile(`N\[.+\] unknown \s+ a=1 err=error\n$`), buf.String())
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buf.Reset()
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if err := logger.Log("std_map", map[int]int{1: 2}, "my_map", mymap{0: 0}); err != nil {
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t.Fatal(err)
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}
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assert.Regexp(t, regexp.MustCompile(`N\[.+\] unknown \s+ std_map=map\[1:2\] my_map=special_behavior\n$`), buf.String())
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buf.Reset()
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if err := logger.Log("level", "error"); err != nil {
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t.Fatal(err)
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}
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assert.Regexp(t, regexp.MustCompile(`E\[.+\] unknown \s+\n$`), buf.String())
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buf.Reset()
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if err := logger.Log("_msg", "Hello"); err != nil {
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t.Fatal(err)
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}
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assert.Regexp(t, regexp.MustCompile(`N\[.+\] Hello \s+\n$`), buf.String())
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buf.Reset()
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if err := logger.Log("module", "main", "module", "crypto", "module", "wire"); err != nil {
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t.Fatal(err)
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}
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assert.Regexp(t, regexp.MustCompile(`N\[.+\] unknown \s+module=wire\s+\n$`), buf.String())
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}
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func BenchmarkTMFmtLoggerSimple(b *testing.B) {
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benchmarkRunnerKitlog(b, log.NewTMFmtLogger(ioutil.Discard), baseMessage)
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}
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func BenchmarkTMFmtLoggerContextual(b *testing.B) {
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benchmarkRunnerKitlog(b, log.NewTMFmtLogger(ioutil.Discard), withMessage)
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}
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func TestTMFmtLoggerConcurrency(t *testing.T) {
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t.Parallel()
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testConcurrency(t, log.NewTMFmtLogger(ioutil.Discard), 10000)
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}
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func benchmarkRunnerKitlog(b *testing.B, logger kitlog.Logger, f func(kitlog.Logger)) {
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lc := kitlog.With(logger, "common_key", "common_value")
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b.ReportAllocs()
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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f(lc)
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}
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}
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//nolint: errcheck // ignore errors
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var (
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baseMessage = func(logger kitlog.Logger) { logger.Log("foo_key", "foo_value") }
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withMessage = func(logger kitlog.Logger) { kitlog.With(logger, "a", "b").Log("d", "f") }
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)
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// These test are designed to be run with the race detector.
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func testConcurrency(t *testing.T, logger kitlog.Logger, total int) {
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n := int(math.Sqrt(float64(total)))
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share := total / n
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errC := make(chan error, n)
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for i := 0; i < n; i++ {
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go func() {
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errC <- spam(logger, share)
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}()
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}
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for i := 0; i < n; i++ {
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err := <-errC
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if err != nil {
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t.Fatalf("concurrent logging error: %v", err)
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}
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}
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}
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func spam(logger kitlog.Logger, count int) error {
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for i := 0; i < count; i++ {
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err := logger.Log("key", i)
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if err != nil {
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return err
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}
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}
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return nil
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}
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type mymap map[int]int
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func (m mymap) String() string { return "special_behavior" }
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