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game_spec.rb
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game_spec.rb
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require "spec_helper"
module TicTacToe
describe Game do
let(:game) {Game.new('X', 'O', 'X')}
let(:game_in_play) do
cells = ['O', 'O', nil,
nil, 'X', nil,
nil, nil, nil]
board = Board.new(cells: cells)
Game.new('X', 'O', 'X', board)
end
let(:won_game) do
cells = ['X', 'X', 'O',
'O', 'X', 'X',
'X', 'O', 'X']
board = Board.new(cells: cells)
Game.new('X', 'O', 'X', board)
end
let(:tie_game) do
cells = ['X', 'X', 'O',
'O', 'O', 'X',
'X', 'O', 'X']
board = Board.new(cells: cells)
Game.new('X', 'O', 'X', board)
end
describe "#board_to_array" do
it "creates an array of the board's cell symbols" do
cell_values = game_in_play.board_to_array
expect(cell_values.length).to eq 9
expect(cell_values.first).to eq 'O'
end
end
describe "#take_turn" do
context "when cell number is valid" do
it "adds the current player's mark to specified cell" do
player_mark = game.current_player_mark
game.take_turn(0)
expect(game.board.get_cell(0)).to eq player_mark
end
it "returns true" do
expect(game.take_turn(0)).to eq true
end
end
context "when cell number is invalid" do
it "is false if cell number is out of range" do
expect(game.take_turn(9)).to eq false
end
it "is false if the cell has already been marked" do
expect(game_in_play.take_turn(0)).to eq false
end
end
end
describe "#generate_ai_move" do
it "supplies a valid cell number" do
move = game.generate_ai_move
expect(move >= 0 && move <= 8).to eq true
end
end
describe "#switch_turn" do
it "changes the current player mark from 'X' to 'O'" do
game.switch_turn
expect(game.current_player_mark).to eq 'O'
end
end
describe "#in_progress?" do
it "is true when in play" do
expect(game_in_play.in_progress?).to eq true
end
it "is false when won" do
expect(won_game.in_progress?).to eq false
end
it "is false when tied" do
expect(tie_game.in_progress?).to eq false
end
end
describe "#over?" do
it "is false when in play" do
expect(game_in_play.over?).to eq false
end
it "is true when won" do
expect(won_game.over?).to eq true
end
it "is true when tied" do
expect(tie_game.over?).to eq true
end
end
describe "#winner?" do
it "is false when in play" do
expect(game_in_play.winner?).to eq false
end
it "is true when won" do
expect(won_game.winner?).to eq true
end
it "is false when tied" do
expect(tie_game.winner?).to eq false
end
end
describe "#get_winning_player" do
it "is winner's mark when won" do
expect(won_game.get_winning_player).to eq 'X'
end
it "is nil when tied" do
expect(tie_game.get_winning_player).to eq nil
end
it "is nil when in play" do
expect(game_in_play.get_winning_player).to eq nil
end
end
describe "#tie?" do
it "is false when in play" do
expect(game_in_play.tie?).to eq false
end
it "is true when tied" do
expect(tie_game.tie?).to eq true
end
it "is false when won" do
expect(won_game.tie?).to eq false
end
end
end
end