mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-09-06 03:54:22 -04:00
67 lines
1.4 KiB
Go
67 lines
1.4 KiB
Go
package unit
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import (
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"bytes"
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"fmt"
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"runtime"
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"strings"
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"testing"
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)
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var tGlobal *testing.T
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func Current(t *testing.T) {
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tGlobal = t
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}
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func getCaller() (string, int) {
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stackLevel := 3
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for {
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_, file, line, ok := runtime.Caller(stackLevel)
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if strings.Contains(file, "assert") {
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stackLevel++
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} else {
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if ok {
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// Truncate file name at last file name separator.
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if index := strings.LastIndex(file, "/"); index >= 0 {
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file = file[index+1:]
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} else if index = strings.LastIndex(file, "\\"); index >= 0 {
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file = file[index+1:]
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}
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} else {
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file = "???"
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line = 1
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}
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return file, line
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}
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}
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}
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// decorate prefixes the string with the file and line of the call site
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// and inserts the final newline if needed and indentation tabs for formatting.
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func decorate(s string) string {
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file, line := getCaller()
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buf := new(bytes.Buffer)
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// Every line is indented at least one tab.
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buf.WriteString(" ")
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fmt.Fprintf(buf, "%s:%d: ", file, line)
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lines := strings.Split(s, "\n")
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if l := len(lines); l > 1 && lines[l-1] == "" {
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lines = lines[:l-1]
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}
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for i, line := range lines {
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if i > 0 {
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// Second and subsequent lines are indented an extra tab.
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buf.WriteString("\n\t\t")
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}
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buf.WriteString(line)
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}
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buf.WriteByte('\n')
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return buf.String()
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}
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func Fail(message string) {
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fmt.Println(decorate(message))
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tGlobal.Fail()
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}
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