mirror of
https://gitee.com/IrisVega/frp.git
synced 2024-11-01 22:31:29 +08:00
95 lines
3.1 KiB
Go
95 lines
3.1 KiB
Go
package framework
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import (
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"bytes"
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"fmt"
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"regexp"
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"runtime/debug"
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"time"
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"github.com/onsi/ginkgo"
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e2eginkgowrapper "github.com/fatedier/frp/test/e2e/framework/ginkgowrapper"
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)
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func nowStamp() string {
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return time.Now().Format(time.StampMilli)
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}
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func log(level string, format string, args ...interface{}) {
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fmt.Fprintf(ginkgo.GinkgoWriter, nowStamp()+": "+level+": "+format+"\n", args...)
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}
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// Logf logs the info.
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func Logf(format string, args ...interface{}) {
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log("INFO", format, args...)
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}
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// Failf logs the fail info, including a stack trace.
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func Failf(format string, args ...interface{}) {
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FailfWithOffset(1, format, args...)
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}
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// FailfWithOffset calls "Fail" and logs the error with a stack trace that starts at "offset" levels above its caller
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// (for example, for call chain f -> g -> FailfWithOffset(1, ...) error would be logged for "f").
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func FailfWithOffset(offset int, format string, args ...interface{}) {
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msg := fmt.Sprintf(format, args...)
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skip := offset + 1
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log("FAIL", "%s\n\nFull Stack Trace\n%s", msg, PrunedStack(skip))
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e2eginkgowrapper.Fail(nowStamp()+": "+msg, skip)
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}
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// Fail is a replacement for ginkgo.Fail which logs the problem as it occurs
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// together with a stack trace and then calls ginkgowrapper.Fail.
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func Fail(msg string, callerSkip ...int) {
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skip := 1
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if len(callerSkip) > 0 {
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skip += callerSkip[0]
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}
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log("FAIL", "%s\n\nFull Stack Trace\n%s", msg, PrunedStack(skip))
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e2eginkgowrapper.Fail(nowStamp()+": "+msg, skip)
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}
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var codeFilterRE = regexp.MustCompile(`/github.com/onsi/ginkgo/`)
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// PrunedStack is a wrapper around debug.Stack() that removes information
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// about the current goroutine and optionally skips some of the initial stack entries.
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// With skip == 0, the returned stack will start with the caller of PruneStack.
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// From the remaining entries it automatically filters out useless ones like
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// entries coming from Ginkgo.
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//
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// This is a modified copy of PruneStack in https://github.com/onsi/ginkgo/blob/f90f37d87fa6b1dd9625e2b1e83c23ffae3de228/internal/codelocation/code_location.go#L25:
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// - simplified API and thus renamed (calls debug.Stack() instead of taking a parameter)
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// - source code filtering updated to be specific to Kubernetes
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// - optimized to use bytes and in-place slice filtering from
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// https://github.com/golang/go/wiki/SliceTricks#filter-in-place
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func PrunedStack(skip int) []byte {
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fullStackTrace := debug.Stack()
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stack := bytes.Split(fullStackTrace, []byte("\n"))
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// Ensure that the even entries are the method names and the
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// the odd entries the source code information.
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if len(stack) > 0 && bytes.HasPrefix(stack[0], []byte("goroutine ")) {
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// Ignore "goroutine 29 [running]:" line.
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stack = stack[1:]
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}
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// The "+2" is for skipping over:
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// - runtime/debug.Stack()
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// - PrunedStack()
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skip += 2
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if len(stack) > 2*skip {
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stack = stack[2*skip:]
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}
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n := 0
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for i := 0; i < len(stack)/2; i++ {
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// We filter out based on the source code file name.
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if !codeFilterRE.Match([]byte(stack[i*2+1])) {
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stack[n] = stack[i*2]
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stack[n+1] = stack[i*2+1]
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n += 2
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}
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}
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stack = stack[:n]
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return bytes.Join(stack, []byte("\n"))
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}
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