{
  "exercise": "crypto-square",
  "version": "3.0.0",
  "cases": [
    {
      "description": "the spaces and punctuation are removed from the English text and the message is downcased",
      "cases": [
        {
          "description": "Lowercase",
          "property": "ciphertext",
          "plaintext": "A",
          "expected": "a"
        },
        {
          "description": "Remove spaces",
          "property": "ciphertext",
          "plaintext": "  b ",
          "expected": "b"
        },
        {
          "description": "Remove punctuation",
          "property": "ciphertext",
          "plaintext": "@1,%!",
          "expected": "1"
        }
      ]
    },
    {
      "description": "Output the encoded text in chunks.  Phrases that fill perfect squares `(r X r)` should be output in `r`-length chunks separated by spaces.  Imperfect squares will have `n` empty spaces.  Those spaces should be distributed evenly across the last `n` rows.",
      "cases": [
        {
          "description": "empty plaintext results in an empty ciphertext",
          "property": "ciphertext",
          "plaintext": "",
          "expected": ""
        },
        {
          "description": "9 character plaintext results in 3 chunks of 3 characters",
          "property": "ciphertext",
          "plaintext": "This is fun!",
          "expected": "tsf hiu isn"
        },
        {
          "description": "54 character plaintext results in 7 chunks, the last two padded with spaces",
          "property": "ciphertext",
          "plaintext": "If man was meant to stay on the ground, god would have given us roots.",
          "expected": "imtgdvs fearwer mayoogo anouuio ntnnlvt wttddes aohghn  sseoau "
        }
      ]
    }
  ]
}