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buildx/vendor/github.com/AdamKorcz/go-118-fuzz-build/testing/t.go

130 lines
2.5 KiB
Go

package testing
import (
"fmt"
"os"
"strings"
"time"
)
// T can be used to terminate the current fuzz iteration
// without terminating the whole fuzz run. To do so, simply
// panic with the text "GO-FUZZ-BUILD-PANIC" and the fuzzer
// will recover.
type T struct {
TempDirs []string
}
func NewT() *T {
tempDirs := make([]string, 0)
return &T{TempDirs: tempDirs}
}
func unsupportedApi(name string) string {
plsOpenIss := "Please open an issue https://github.com/AdamKorcz/go-118-fuzz-build if you need this feature."
var b strings.Builder
b.WriteString(fmt.Sprintf("%s is not supported when fuzzing in libFuzzer mode\n.", name))
b.WriteString(plsOpenIss)
return b.String()
}
func (t *T) Cleanup(f func()) {
f()
}
func (t *T) Deadline() (deadline time.Time, ok bool) {
panic(unsupportedApi("t.Deadline()"))
}
func (t *T) Error(args ...any) {
fmt.Println(args...)
panic("error")
}
func (t *T) Errorf(format string, args ...any) {
fmt.Printf(format+"\n", args...)
panic("errorf")
}
func (t *T) Fail() {
panic("Called T.Fail()")
}
func (t *T) FailNow() {
panic("Called T.Fail()")
panic(unsupportedApi("t.FailNow()"))
}
func (t *T) Failed() bool {
panic(unsupportedApi("t.Failed()"))
}
func (t *T) Fatal(args ...any) {
fmt.Println(args...)
panic("fatal")
}
func (t *T) Fatalf(format string, args ...any) {
fmt.Printf(format+"\n", args...)
panic("fatal")
}
func (t *T) Helper() {
// We can't support it, but it also just impacts how failures are reported, so we can ignore it
}
func (t *T) Log(args ...any) {
fmt.Println(args...)
}
func (t *T) Logf(format string, args ...any) {
fmt.Println(format)
fmt.Println(args...)
}
func (t *T) Name() string {
return "libFuzzer"
}
func (t *T) Parallel() {
panic(unsupportedApi("t.Parallel()"))
}
func (t *T) Run(name string, f func(t *T)) bool {
panic(unsupportedApi("t.Run()"))
}
func (t *T) Setenv(key, value string) {
}
func (t *T) Skip(args ...any) {
panic("GO-FUZZ-BUILD-PANIC")
}
func (t *T) SkipNow() {
panic("GO-FUZZ-BUILD-PANIC")
}
// Is not really supported. We just skip instead
// of printing any message. A log message can be
// added if need be.
func (t *T) Skipf(format string, args ...any) {
panic("GO-FUZZ-BUILD-PANIC")
}
func (t *T) Skipped() bool {
panic(unsupportedApi("t.Skipped()"))
}
func (t *T) TempDir() string {
dir, err := os.MkdirTemp("", "fuzzdir-")
if err != nil {
panic(err)
}
t.TempDirs = append(t.TempDirs, dir)
return dir
}
func (t *T) CleanupTempDirs() {
if len(t.TempDirs) > 0 {
for _, tempDir := range t.TempDirs {
os.RemoveAll(tempDir)
}
}
}