def target_fasta(tmp_path):
    """A simple target FASTA"""
    out_file = tmp_path / "target.fasta"
    with open(out_file, "w+") as fasta_ref:
        fasta_ref.write(
            ">wf|target1\n"
            "MABCDEFGHIJKLMNOPQRSTUVWXYZKAAAAABRAAABKAAB\n"
            ">wf|target2\n"
            "MZYXWVUTSRQPONMLKJIHGFEDCBAKAAAAABRABABKAAB\n"
            ">wf|target3\n"
            "A" + "".join(["AB"] * 24) + "AK\n"
            ">wf|target4\n"
            "MABCDEFGHIJK"
        )

    return out_file