{
  "data": {
    "files": [
      {
        "_id": {
          "$oid": "000000000000000000000001"
        },
        "length": 0,
        "chunkSize": 4,
        "uploadDate": {
          "$date": "1970-01-01T00:00:00.000Z"
        },
        "md5": "d41d8cd98f00b204e9800998ecf8427e",
        "filename": "length-0",
        "contentType": "application/octet-stream",
        "aliases": [

        ],
        "metadata": {
        }
      },
      {
        "_id": {
          "$oid": "000000000000000000000002"
        },
        "length": 0,
        "chunkSize": 4,
        "uploadDate": {
          "$date": "1970-01-01T00:00:00.000Z"
        },
        "md5": "d41d8cd98f00b204e9800998ecf8427e",
        "filename": "length-0-with-empty-chunk",
        "contentType": "application/octet-stream",
        "aliases": [

        ],
        "metadata": {
        }
      },
      {
        "_id": {
          "$oid": "000000000000000000000003"
        },
        "length": 2,
        "chunkSize": 4,
        "uploadDate": {
          "$date": "1970-01-01T00:00:00.000Z"
        },
        "md5": "c700ed4fdb1d27055aa3faa2c2432283",
        "filename": "length-2",
        "contentType": "application/octet-stream",
        "aliases": [

        ],
        "metadata": {
        }
      },
      {
        "_id": {
          "$oid": "000000000000000000000004"
        },
        "length": 8,
        "chunkSize": 4,
        "uploadDate": {
          "$date": "1970-01-01T00:00:00.000Z"
        },
        "md5": "dd254cdc958e53abaa67da9f797125f5",
        "filename": "length-8",
        "contentType": "application/octet-stream",
        "aliases": [

        ],
        "metadata": {
        }
      },
      {
        "_id": {
          "$oid": "000000000000000000000005"
        },
        "length": 10,
        "chunkSize": 4,
        "uploadDate": {
          "$date": "1970-01-01T00:00:00.000Z"
        },
        "md5": "57d83cd477bfb1ccd975ab33d827a92b",
        "filename": "length-10",
        "contentType": "application/octet-stream",
        "aliases": [

        ],
        "metadata": {
        }
      }
    ],
    "chunks": [
      {
        "_id": {
          "$oid": "000000000000000000000001"
        },
        "files_id": {
          "$oid": "000000000000000000000002"
        },
        "n": 0,
        "data": {
          "$hex": ""
        }
      },
      {
        "_id": {
          "$oid": "000000000000000000000002"
        },
        "files_id": {
          "$oid": "000000000000000000000003"
        },
        "n": 0,
        "data": {
          "$hex": "1122"
        }
      },
      {
        "_id": {
          "$oid": "000000000000000000000003"
        },
        "files_id": {
          "$oid": "000000000000000000000004"
        },
        "n": 0,
        "data": {
          "$hex": "11223344"
        }
      },
      {
        "_id": {
          "$oid": "000000000000000000000004"
        },
        "files_id": {
          "$oid": "000000000000000000000004"
        },
        "n": 1,
        "data": {
          "$hex": "55667788"
        }
      },
      {
        "_id": {
          "$oid": "000000000000000000000005"
        },
        "files_id": {
          "$oid": "000000000000000000000005"
        },
        "n": 0,
        "data": {
          "$hex": "11223344"
        }
      },
      {
        "_id": {
          "$oid": "000000000000000000000006"
        },
        "files_id": {
          "$oid": "000000000000000000000005"
        },
        "n": 1,
        "data": {
          "$hex": "55667788"
        }
      },
      {
        "_id": {
          "$oid": "000000000000000000000007"
        },
        "files_id": {
          "$oid": "000000000000000000000005"
        },
        "n": 2,
        "data": {
          "$hex": "99aa"
        }
      }
    ]
  },
  "tests": [
    {
      "description": "Download when length is zero",
      "act": {
        "operation": "download",
        "arguments": {
          "id": {
            "$oid": "000000000000000000000001"
          },
          "options": {
          }
        }
      },
      "assert": {
        "result": {
          "$hex": ""
        }
      }
    },
    {
      "description": "Download when length is zero and there is one empty chunk",
      "act": {
        "operation": "download",
        "arguments": {
          "id": {
            "$oid": "000000000000000000000002"
          },
          "options": {
          }
        }
      },
      "assert": {
        "result": {
          "$hex": ""
        }
      }
    },
    {
      "description": "Download when there is one chunk",
      "act": {
        "operation": "download",
        "arguments": {
          "id": {
            "$oid": "000000000000000000000003"
          },
          "options": {
          }
        }
      },
      "assert": {
        "result": {
          "$hex": "1122"
        }
      }
    },
    {
      "description": "Download when there are two chunks",
      "act": {
        "operation": "download",
        "arguments": {
          "id": {
            "$oid": "000000000000000000000004"
          },
          "options": {
          }
        }
      },
      "assert": {
        "result": {
          "$hex": "1122334455667788"
        }
      }
    },
    {
      "description": "Download when there are three chunks",
      "act": {
        "operation": "download",
        "arguments": {
          "id": {
            "$oid": "000000000000000000000005"
          },
          "options": {
          }
        }
      },
      "assert": {
        "result": {
          "$hex": "112233445566778899aa"
        }
      }
    },
    {
      "description": "Download when files entry does not exist",
      "act": {
        "operation": "download",
        "arguments": {
          "id": {
            "$oid": "000000000000000000000000"
          },
          "options": {
          }
        }
      },
      "assert": {
        "error": "FileNotFound"
      }
    },
    {
      "description": "Download when an intermediate chunk is missing",
      "arrange": {
        "data": [
          {
            "delete": "fs.chunks",
            "deletes": [
              {
                "q": {
                  "files_id": {
                    "$oid": "000000000000000000000005"
                  },
                  "n": 1
                },
                "limit": 1
              }
            ]
          }
        ]
      },
      "act": {
        "operation": "download",
        "arguments": {
          "id": {
            "$oid": "000000000000000000000005"
          }
        }
      },
      "assert": {
        "error": "ChunkIsMissing"
      }
    },
    {
      "description": "Download when final chunk is missing",
      "arrange": {
        "data": [
          {
            "delete": "fs.chunks",
            "deletes": [
              {
                "q": {
                  "files_id": {
                    "$oid": "000000000000000000000005"
                  },
                  "n": 1
                },
                "limit": 1
              }
            ]
          }
        ]
      },
      "act": {
        "operation": "download",
        "arguments": {
          "id": {
            "$oid": "000000000000000000000005"
          }
        }
      },
      "assert": {
        "error": "ChunkIsMissing"
      }
    },
    {
      "description": "Download when an intermediate chunk is the wrong size",
      "arrange": {
        "data": [
          {
            "update": "fs.chunks",
            "updates": [
              {
                "q": {
                  "files_id": {
                    "$oid": "000000000000000000000005"
                  },
                  "n": 1
                },
                "u": {
                  "$set": {
                    "data": {
                      "$hex": "556677"
                    }
                  }
                }
              },
              {
                "q": {
                  "files_id": {
                    "$oid": "000000000000000000000005"
                  },
                  "n": 2
                },
                "u": {
                  "$set": {
                    "data": {
                      "$hex": "8899aa"
                    }
                  }
                }
              }
            ]
          }
        ]
      },
      "act": {
        "operation": "download",
        "arguments": {
          "id": {
            "$oid": "000000000000000000000005"
          }
        }
      },
      "assert": {
        "error": "ChunkIsWrongSize"
      }
    },
    {
      "description": "Download when final chunk is the wrong size",
      "arrange": {
        "data": [
          {
            "update": "fs.chunks",
            "updates": [
              {
                "q": {
                  "files_id": {
                    "$oid": "000000000000000000000005"
                  },
                  "n": 2
                },
                "u": {
                  "$set": {
                    "data": {
                      "$hex": "99"
                    }
                  }
                }
              }
            ]
          }
        ]
      },
      "act": {
        "operation": "download",
        "arguments": {
          "id": {
            "$oid": "000000000000000000000005"
          }
        }
      },
      "assert": {
        "error": "ChunkIsWrongSize"
      }
    }
  ]
}