privacy-guides/how-to-create-encrypted-paper-backup/tests/bip39.exp

#!/usr/bin/expect

# exp_internal 1
# log_file -noappend ~/expect.log

set timeout 30

proc bold {} {
  return [exec tput bold]
}
proc red {} {
  return [exec tput setaf 1]
}
proc green {} {
  return [exec tput setaf 2]
}
proc normal {} {
  return [exec tput sgr0]
}

set bip39_mnemonic "online pipe enough dutch decorate want moment scheme rigid enlist blast boat purse sick chalk shop brush all return betray jacket salon abandon retire"
set electrum_mnemonic "month pet slice know amused leave now vague palm guess cattle element cross truly auto put among craft repeat van sample nephew sad family"
set failed "[bold][red]Failed[normal]"
set ok "[bold][green]OK[normal]"

puts "[bold]Should create BIP39 mnemonic[normal]"

spawn qr-backup.sh --create-bip39-mnemonic

expect {
  default {
    puts $failed
    exit 1
  }
  -re {Format USB flash drive \(y or n\)\?} {
    send "n\r"
  }
}

expect {
  default {
    puts $failed
    exit 1
  }
  -re {\[sudo\] password for pi:} {
    send "$env(password)\r"
  }
}

expect {
  default {
    puts $failed
    exit 1
  }
  -re {Creating BIP39 mnemonic…}
}

expect {
  default {
    puts $failed
    exit 1
  }
  -re {(([a-z]+ ?){24})} {
    exit 0
  }
}

puts "[bold]Should validate valid BIP39 mnemonic[normal]"

spawn qr-backup.sh --validate-bip39-mnemonic

expect {
  default {
    puts $failed
    exit 1
  }
  -re {Format USB flash drive \(y or n\)\?} {
    send "n\r"
  }
}

expect {
  default {
    puts $failed
    exit 1
  }
  -re {\[sudo\] password for pi:} {
    send "$env(password)\r"
  }
}

expect {
  default {
    puts $failed
    exit 1
  }
  -re {Please type secret and press enter, then ctrl\+d} {
    sleep 0.1
    send "$bip39_mnemonic\r"
    sleep 0.1
    send "\x04"
  }
}

expect {
  default {
    puts $failed
    exit 1
  }
  -re {Please type bip39_mnemonic and press enter, then ctrl\+d \(again\)} {
    sleep 0.1
    send "$secret\r"
    sleep 0.1
    send "\x04"
  }
}

expect {
  default {
    puts $failed
    exit 1
  }
  -re {Please type passphrase and press enter} {
    puts $ok
    exit 0
  }
}

puts "[bold]Should fail to validate invalid BIP39 mnemonic[normal]"

spawn qr-backup.sh --validate-bip39-mnemonic

expect {
  default {
    puts $failed
    exit 1
  }
  -re {Format USB flash drive \(y or n\)\?} {
    send "n\r"
  }
}

expect {
  default {
    puts $failed
    exit 1
  }
  -re {\[sudo\] password for pi:} {
    send "$env(password)\r"
  }
}

expect {
  default {
    puts $failed
    exit 1
  }
  -re {Please type secret and press enter, then ctrl\+d} {
    sleep 0.1
    send "$electrum_mnemonic\r"
    sleep 0.1
    send "\x04"
  }
}

expect {
  default {
    puts $failed
    exit 1
  }
  -re {Please type electrum_mnemonic and press enter, then ctrl\+d \(again\)} {
    sleep 0.1
    send "$secret\r"
    sleep 0.1
    send "\x04"
  }
}

expect {
  default {
    puts $failed
    exit 1
  }
  -re {Invalid BIP39 mnemonic} {
    puts $ok
    exit 0
  }
}

interact