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go-zero/core/stringx/replacer_fuzz_test.go

42 lines
876 B
Go

//go:build go1.18
package stringx
import (
"fmt"
"math/rand"
"strings"
"testing"
)
func FuzzReplacerReplace(f *testing.F) {
keywords := make(map[string]string)
for i := 0; i < 20; i++ {
keywords[Randn(rand.Intn(10)+5)] = Randn(rand.Intn(5) + 1)
}
rep := NewReplacer(keywords)
printableKeywords := func() string {
var buf strings.Builder
for k, v := range keywords {
fmt.Fprintf(&buf, "%q: %q,\n", k, v)
}
return buf.String()
}
f.Add(50)
f.Fuzz(func(t *testing.T, n int) {
text := Randn(rand.Intn(n%50+50) + 1)
defer func() {
if r := recover(); r != nil {
t.Errorf("mapping: %s\ntext: %s", printableKeywords(), text)
}
}()
val := rep.Replace(text)
keys := rep.(*replacer).node.find([]rune(val))
if len(keys) > 0 {
t.Errorf("mapping: %s\ntext: %s\nresult: %s\nmatch: %v",
printableKeywords(), text, val, keys)
}
})
}