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The Goose Game Kata

Goose game is a game where two or more players move pieces around a track by rolling a die. The aim of the game is to reach square number sixty-three before any of the other players and avoid obstacles. (wikipedia)

This kata has been invented by Matteo Vaccari, you can find the original slides here.

General requirements

• You may use whatever programming language you prefer. Use something that you know well.
• You should commit your code on GitHub or any other SCM repository you prefer (e.g. bitbucket, gitlab, etc) and send us the link.
• You should release your work under an OSI-approved open-source license of your choice.
• You should deliver the sources of your application, with a README that explains how to compile and run it.

IMPORTANT: Implement the requirements focusing on writing the best code you can produce.

Features

1. Add players

As a player, I want to add me to the game so that I can play.

Scenarios:

1. Add Player

   If there is no participant
   the user writes: "add player Pippo"
   the system responds: "players: Pippo"
   the user writes: "add player Pluto"
   the system responds: "players: Pippo, Pluto"
   

2. Duplicated Player

   If there is already a participant "Pippo"
   the user writes: "add player Pippo"
   the system responds: "Pippo: already existing player"
   

2. Move a player

As a player, I want to move the marker on the board to make the game progress

Scenarios:

1. Start

   If there are two participants "Pippo" and "Pluto" on space "Start"
   the user writes: "move Pippo 4, 2"
   the system responds: "Pippo rolls 4, 2. Pippo moves from Start to 6"
   the user writes: "move Pluto 2, 2"
   the system responds: "Pluto rolls 2, 2. Pluto moves from Start to 4"
   the user writes: "move Pippo 2, 3"
   the system responds: "Pippo rolls 2, 3. Pippo moves from 6 to 11"
   

3. Win

As a player, I win the game if I land on space "63"

Scenarios:

1. Victory

   If there is one participant "Pippo" on space "60"
   the user writes: "move Pippo 1, 2"
   the system responds: "Pippo rolls 1, 2. Pippo moves from 60 to 63. Pippo Wins!!"
   

2. Winning with the exact dice shooting

   If there is one participant "Pippo" on space "60"
   the user writes: "move Pippo 3, 2"
   the system responds: "Pippo rolls 3, 2. Pippo moves from 60 to 63. Pippo bounces! Pippo returns to 61"
   

4. The game throws the dice

As a player, I want the game throws the dice for me to save effort

Scenarios:

1. Dice roll

   If there is one participant "Pippo" on space "4"
   assuming that the dice get 1 and 2
   when the user writes: "move Pippo"
   the system responds: "Pippo rolls 1, 2. Pippo moves from 4 to 7"
   

5. Space "6" is "The Bridge"

As a player, when I get to the space "The Bridge", I jump to the space "12"

Scenarios:

1. Get to "The Bridge"

   If there is one participant "Pippo" on space "4"
   assuming that the dice get 1 and 1
   when the user writes: "move Pippo"
   the system responds: "Pippo rolls 1, 1. Pippo moves from 4 to The Bridge. Pippo jumps to 12"
   

6. If you land on "The Goose", move again

As a player, when I get to a space with a picture of "The Goose", I move forward again by the sum of the two dice rolled before

The spaces 5, 9, 14, 18, 23, 27 have a picture of "The Goose"

Scenarios:

1. Single Jump

   If there is one participant "Pippo" on space "3"
   assuming that the dice get 1 and 1
   when the user writes: "move Pippo"
   the system responds: "Pippo rolls 1, 1. Pippo moves from 3 to 5, The Goose. Pippo moves again and goes to 7"
   

2. Multiple Jump

   If there is one participant "Pippo" on space "10"
   assuming that the dice get 2 and 2
   when the user writes: "move Pippo"
   the system responds: "Pippo rolls 2, 2. Pippo moves from 10 to 14, The Goose. Pippo moves again and goes to 18, The Goose. Pippo moves again and goes to 22"
   

7. Prank (Optional Step)

As a player, when I land on a space occupied by another player, I send him to my previous position so that the game can be more entertaining.

Scenarios:

1. Prank

   If there are two participants "Pippo" and "Pluto" respectively on spaces "15" and "17"
   assuming that the dice get 1 and 1
   when the user writes: "move Pippo"
   the system responds: "Pippo rolls 1, 1. Pippo moves from 15 to 17. On 17 there is Pluto, who returns to 15"