11 kitlog "github.com/go-kit/kit/log"
12 "github.com/stretchr/testify/assert"
13 "github.com/tendermint/tmlibs/log"
16 func TestTMFmtLogger(t *testing.T) {
18 buf := &bytes.Buffer{}
19 logger := log.NewTMFmtLogger(buf)
21 if err := logger.Log("hello", "world"); err != nil {
24 assert.Regexp(t, regexp.MustCompile(`N\[.+\] unknown \s+ hello=world\n$`), buf.String())
27 if err := logger.Log("a", 1, "err", errors.New("error")); err != nil {
30 assert.Regexp(t, regexp.MustCompile(`N\[.+\] unknown \s+ a=1 err=error\n$`), buf.String())
33 if err := logger.Log("std_map", map[int]int{1: 2}, "my_map", mymap{0: 0}); err != nil {
36 assert.Regexp(t, regexp.MustCompile(`N\[.+\] unknown \s+ std_map=map\[1:2\] my_map=special_behavior\n$`), buf.String())
39 if err := logger.Log("level", "error"); err != nil {
42 assert.Regexp(t, regexp.MustCompile(`E\[.+\] unknown \s+\n$`), buf.String())
45 if err := logger.Log("_msg", "Hello"); err != nil {
48 assert.Regexp(t, regexp.MustCompile(`N\[.+\] Hello \s+\n$`), buf.String())
51 if err := logger.Log("module", "main", "module", "crypto", "module", "wire"); err != nil {
54 assert.Regexp(t, regexp.MustCompile(`N\[.+\] unknown \s+module=wire\s+\n$`), buf.String())
57 func BenchmarkTMFmtLoggerSimple(b *testing.B) {
58 benchmarkRunnerKitlog(b, log.NewTMFmtLogger(ioutil.Discard), baseMessage)
61 func BenchmarkTMFmtLoggerContextual(b *testing.B) {
62 benchmarkRunnerKitlog(b, log.NewTMFmtLogger(ioutil.Discard), withMessage)
65 func TestTMFmtLoggerConcurrency(t *testing.T) {
67 testConcurrency(t, log.NewTMFmtLogger(ioutil.Discard), 10000)
70 func benchmarkRunnerKitlog(b *testing.B, logger kitlog.Logger, f func(kitlog.Logger)) {
71 lc := kitlog.With(logger, "common_key", "common_value")
74 for i := 0; i < b.N; i++ {
80 baseMessage = func(logger kitlog.Logger) { logger.Log("foo_key", "foo_value") }
81 withMessage = func(logger kitlog.Logger) { kitlog.With(logger, "a", "b").Log("d", "f") }
84 // These test are designed to be run with the race detector.
86 func testConcurrency(t *testing.T, logger kitlog.Logger, total int) {
87 n := int(math.Sqrt(float64(total)))
90 errC := make(chan error, n)
92 for i := 0; i < n; i++ {
94 errC <- spam(logger, share)
98 for i := 0; i < n; i++ {
101 t.Fatalf("concurrent logging error: %v", err)
106 func spam(logger kitlog.Logger, count int) error {
107 for i := 0; i < count; i++ {
108 err := logger.Log("key", i)
116 type mymap map[int]int
118 func (m mymap) String() string { return "special_behavior" }