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init.go
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init.go
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package vtesting
import (
"log"
"math"
"os"
"runtime"
"strings"
"time"
"go.uber.org/zap"
)
const defaultRaftTick = time.Millisecond * 100
const defaultCommitTick = time.Millisecond * 10
const defaultTimeoutUnit = time.Millisecond * 400
const defaultProcCount = 8
const defaultRaftDir = "raftdata"
var (
testRaftDir = defaultRaftDir
testRaftTick = defaultRaftTick
testCommitTick = defaultCommitTick
testTimeoutUnit = defaultTimeoutUnit
testLogger = zap.NewNop()
)
func init() {
var v string
v = os.Getenv("TEST_TIMEOUT_UNIT")
if dur, err := time.ParseDuration(v); err == nil {
testTimeoutUnit = dur
}
log.Printf("TEST_TIMEOUT_UNIT=%v", testTimeoutUnit)
v = os.Getenv("TEST_RAFT_TICK")
if dur, err := time.ParseDuration(v); err == nil {
testRaftTick = dur
}
log.Printf("TEST_RAFT_TICK=%v", testRaftTick)
v = os.Getenv("TEST_COMMIT_TICK")
if dur, err := time.ParseDuration(v); err == nil {
testCommitTick = dur
}
log.Printf("TEST_COMMIT_TICK=%v", testCommitTick)
v = os.Getenv("TEST_USE_LOGGER")
v = strings.ToLower(v)
if v == "true" || v == "1" {
lg, err := zap.NewDevelopment()
if err != nil {
panic(err)
}
testLogger = lg
}
zap.ReplaceGlobals(testLogger)
log.Printf("TEST_USE_LOGGER=%v", v)
}
func TimeoutUnitTimesFactor(factor int64) time.Duration {
timeoutUnit := TimeoutAccordingToProcCnt(testTimeoutUnit)
return time.Duration(int64(timeoutUnit) * factor)
}
func TimeoutAccordingToProcCnt(timeout time.Duration) time.Duration {
if procs := runtime.GOMAXPROCS(0); procs < defaultProcCount {
timeout += timeout * time.Duration(math.Log2(float64(defaultProcCount/procs)))
}
return timeout
}
func TestLogger() *zap.Logger {
return testLogger
}
func TestRaftTick() time.Duration {
return testRaftTick
}
func TestCommitTick() time.Duration {
return testCommitTick
}
func TestRaftDir() string {
return testRaftDir
}