com.natpryce.snodge.internal.EncodedStringMutator Maven / Gradle / Ivy

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A small, extensible Java library to randomly mutate JSON documents. Useful for fuzz testing.

There is a newer version: 3.7.0.0

package com.natpryce.snodge.internal;

import com.natpryce.snodge.Mutator;

import java.nio.charset.Charset;
import java.util.stream.Stream;

public class EncodedStringMutator implements Mutator {
    private final Mutator stringMutator;
    private final Charset charset;

    public EncodedStringMutator(Charset charset, Mutator stringMutator) {
        this.charset = charset;
        this.stringMutator = stringMutator;
    }

    @Override
    public Stream mutate(byte[] originalBytes, int mutationCount) {
        return stringMutator.mutate(new String(originalBytes, charset), mutationCount)
            .map(stringMutant -> stringMutant.getBytes(charset));
    }
}