Files
tidb/br/pkg/logutil/logging_test.go
2021-08-09 06:11:13 +08:00

259 lines
8.4 KiB
Go

// Copyright 2021 PingCAP, Inc. Licensed under Apache-2.0.
package logutil_test
import (
"context"
"fmt"
"math"
"strings"
"testing"
"time"
. "github.com/pingcap/check"
"github.com/pingcap/errors"
backuppb "github.com/pingcap/kvproto/pkg/brpb"
"github.com/pingcap/kvproto/pkg/import_sstpb"
"github.com/pingcap/kvproto/pkg/metapb"
berrors "github.com/pingcap/tidb/br/pkg/errors"
"github.com/pingcap/tidb/br/pkg/logutil"
"github.com/prometheus/client_golang/prometheus"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
"go.uber.org/zap/zaptest/observer"
)
func Test(t *testing.T) {
TestingT(t)
}
var _ = Suite(&testLoggingSuite{})
type testLoggingSuite struct{}
func assertTrimEqual(c *C, f zapcore.Field, expect string) {
encoder := zapcore.NewConsoleEncoder(zapcore.EncoderConfig{})
out, err := encoder.EncodeEntry(zapcore.Entry{}, []zap.Field{f})
c.Assert(err, IsNil)
c.Assert(strings.TrimRight(out.String(), "\n"), Equals, expect)
}
func newFile(j int) *backuppb.File {
return &backuppb.File{
Name: fmt.Sprint(j),
StartKey: []byte(fmt.Sprint(j)),
EndKey: []byte(fmt.Sprint(j + 1)),
TotalKvs: uint64(j),
TotalBytes: uint64(j),
StartVersion: uint64(j),
EndVersion: uint64(j + 1),
Crc64Xor: uint64(j),
Sha256: []byte(fmt.Sprint(j)),
Cf: "write",
Size_: uint64(j),
}
}
type isAbout struct{}
func (isAbout) Info() *CheckerInfo {
return &CheckerInfo{
Name: "isAbout",
Params: []string{
"actual",
"expect",
},
}
}
func (isAbout) Check(params []interface{}, names []string) (result bool, error string) {
actual := params[0].(float64)
expect := params[1].(float64)
if diff := math.Abs(1 - (actual / expect)); diff > 0.1 {
return false, fmt.Sprintf("The diff(%.2f) between actual(%.2f) and expect(%.2f) is too huge.", diff, actual, expect)
}
return true, ""
}
func (s *testLoggingSuite) TestRater(c *C) {
m := prometheus.NewCounter(prometheus.CounterOpts{
Namespace: "testing",
Name: "rater",
Help: "A testing counter for the rater",
})
m.Add(42)
rater := logutil.TraceRateOver(m)
timePass := time.Now()
rater.Inc()
c.Assert(rater.RateAt(timePass.Add(100*time.Millisecond)), isAbout{}, 10.0)
rater.Inc()
c.Assert(rater.RateAt(timePass.Add(150*time.Millisecond)), isAbout{}, 13.0)
rater.Add(18)
c.Assert(rater.RateAt(timePass.Add(200*time.Millisecond)), isAbout{}, 100.0)
}
func (s *testLoggingSuite) TestFile(c *C) {
assertTrimEqual(c, logutil.File(newFile(1)),
`{"file": {"name": "1", "CF": "write", "sha256": "31", "startKey": "31", "endKey": "32", "startVersion": 1, "endVersion": 2, "totalKvs": 1, "totalBytes": 1, "CRC64Xor": 1}}`)
}
func (s *testLoggingSuite) TestFiles(c *C) {
cases := []struct {
count int
expect string
}{
{0, `{"files": {"total": 0, "files": [], "totalKVs": 0, "totalBytes": 0, "totalSize": 0}}`},
{1, `{"files": {"total": 1, "files": ["0"], "totalKVs": 0, "totalBytes": 0, "totalSize": 0}}`},
{2, `{"files": {"total": 2, "files": ["0", "1"], "totalKVs": 1, "totalBytes": 1, "totalSize": 1}}`},
{3, `{"files": {"total": 3, "files": ["0", "1", "2"], "totalKVs": 3, "totalBytes": 3, "totalSize": 3}}`},
{4, `{"files": {"total": 4, "files": ["0", "1", "2", "3"], "totalKVs": 6, "totalBytes": 6, "totalSize": 6}}`},
{5, `{"files": {"total": 5, "files": ["0", "(skip 3)", "4"], "totalKVs": 10, "totalBytes": 10, "totalSize": 10}}`},
{6, `{"files": {"total": 6, "files": ["0", "(skip 4)", "5"], "totalKVs": 15, "totalBytes": 15, "totalSize": 15}}`},
{1024, `{"files": {"total": 1024, "files": ["0", "(skip 1022)", "1023"], "totalKVs": 523776, "totalBytes": 523776, "totalSize": 523776}}`},
}
for _, cs := range cases {
ranges := make([]*backuppb.File, cs.count)
for j := 0; j < cs.count; j++ {
ranges[j] = newFile(j)
}
assertTrimEqual(c, logutil.Files(ranges), cs.expect)
}
}
func (s *testLoggingSuite) TestKey(c *C) {
encoder := zapcore.NewConsoleEncoder(zapcore.EncoderConfig{})
out, err := encoder.EncodeEntry(zapcore.Entry{}, []zap.Field{logutil.Key("test", []byte{0, 1, 2, 3})})
c.Assert(err, IsNil)
c.Assert(strings.Trim(out.String(), "\n"), Equals, `{"test": "00010203"}`)
}
func (s *testLoggingSuite) TestKeys(c *C) {
cases := []struct {
count int
expect string
}{
{0, `{"keys": {"total": 0, "keys": []}}`},
{1, `{"keys": {"total": 1, "keys": ["30303030"]}}`},
{2, `{"keys": {"total": 2, "keys": ["30303030", "30303031"]}}`},
{3, `{"keys": {"total": 3, "keys": ["30303030", "30303031", "30303032"]}}`},
{4, `{"keys": {"total": 4, "keys": ["30303030", "30303031", "30303032", "30303033"]}}`},
{5, `{"keys": {"total": 5, "keys": ["30303030", "(skip 3)", "30303034"]}}`},
{6, `{"keys": {"total": 6, "keys": ["30303030", "(skip 4)", "30303035"]}}`},
{1024, `{"keys": {"total": 1024, "keys": ["30303030", "(skip 1022)", "31303233"]}}`},
}
for _, cs := range cases {
keys := make([][]byte, cs.count)
for j := 0; j < cs.count; j++ {
keys[j] = []byte(fmt.Sprintf("%04d", j))
}
assertTrimEqual(c, logutil.Keys(keys), cs.expect)
}
}
func (s *testLoggingSuite) TestRewriteRule(c *C) {
rule := &import_sstpb.RewriteRule{
OldKeyPrefix: []byte("old"),
NewKeyPrefix: []byte("new"),
NewTimestamp: 0x555555,
}
encoder := zapcore.NewConsoleEncoder(zapcore.EncoderConfig{})
out, err := encoder.EncodeEntry(zapcore.Entry{}, []zap.Field{logutil.RewriteRule(rule)})
c.Assert(err, IsNil)
c.Assert(strings.Trim(out.String(), "\n"), Equals, `{"rewriteRule": {"oldKeyPrefix": "6f6c64", "newKeyPrefix": "6e6577", "newTimestamp": 5592405}}`)
}
func (s *testLoggingSuite) TestRegion(c *C) {
region := &metapb.Region{
Id: 1,
StartKey: []byte{0x00, 0x01},
EndKey: []byte{0x00, 0x02},
RegionEpoch: &metapb.RegionEpoch{ConfVer: 1, Version: 1},
Peers: []*metapb.Peer{{Id: 2, StoreId: 3}, {Id: 4, StoreId: 5}},
}
assertTrimEqual(c, logutil.Region(region),
`{"region": {"ID": 1, "startKey": "0001", "endKey": "0002", "epoch": "conf_ver:1 version:1 ", "peers": "id:2 store_id:3 ,id:4 store_id:5 "}}`)
}
func (s *testLoggingSuite) TestLeader(c *C) {
leader := &metapb.Peer{Id: 2, StoreId: 3}
assertTrimEqual(c, logutil.Leader(leader), `{"leader": "id:2 store_id:3 "}`)
}
func (s *testLoggingSuite) TestSSTMeta(c *C) {
meta := &import_sstpb.SSTMeta{
Uuid: []byte("mock uuid"),
Range: &import_sstpb.Range{
Start: []byte{0x00, 0x01},
End: []byte{0x00, 0x02},
},
Crc32: uint32(0x555555),
Length: 1,
CfName: "default",
RegionId: 1,
RegionEpoch: &metapb.RegionEpoch{ConfVer: 1, Version: 1},
}
assertTrimEqual(c, logutil.SSTMeta(meta),
`{"sstMeta": {"CF": "default", "endKeyExclusive": false, "CRC32": 5592405, "length": 1, "regionID": 1, "regionEpoch": "conf_ver:1 version:1 ", "startKey": "0001", "endKey": "0002", "UUID": "invalid UUID 6d6f636b2075756964"}}`)
}
func (s *testLoggingSuite) TestShortError(c *C) {
err := errors.Annotate(berrors.ErrInvalidArgument, "test")
assertTrimEqual(c, logutil.ShortError(err), `{"error": "test: [BR:Common:ErrInvalidArgument]invalid argument"}`)
}
type FieldEquals struct{}
func (f FieldEquals) Info() *CheckerInfo {
return &CheckerInfo{
Name: "FieldEquals",
Params: []string{
"expected",
"actual",
},
}
}
func (f FieldEquals) Check(params []interface{}, names []string) (result bool, err string) {
expected := params[0].(zap.Field)
actual := params[1].(zap.Field)
if !expected.Equals(actual) {
return false, "Field not match."
}
return true, ""
}
func (s *testLoggingSuite) TestContextual(c *C) {
testCore, logs := observer.New(zap.InfoLevel)
logutil.ResetGlobalLogger(zap.New(testCore))
ctx := context.Background()
l0 := logutil.LoggerFromContext(ctx)
l0.Info("going to take an adventure?", zap.Int("HP", 50), zap.Int("HP-MAX", 50), zap.String("character", "solte"))
lctx := logutil.ContextWithField(ctx, zap.Strings("firends", []string{"firo", "seren", "black"}))
l := logutil.LoggerFromContext(lctx)
l.Info("let's go!", zap.String("character", "solte"))
observedLogs := logs.TakeAll()
checkLog(c, observedLogs[0],
"going to take an adventure?", zap.Int("HP", 50), zap.Int("HP-MAX", 50), zap.String("character", "solte"))
checkLog(c, observedLogs[1],
"let's go!", zap.Strings("firends", []string{"firo", "seren", "black"}), zap.String("character", "solte"))
}
func checkLog(c *C, actual observer.LoggedEntry, message string, fields ...zap.Field) {
c.Assert(message, Equals, actual.Message)
for i, f := range fields {
c.Assert(f, FieldEquals{}, actual.Context[i])
}
}