xas

Finished
11class BowlingGame:
22 def __init__(self):
3 pass
4
3 """
4 Initialize a new bowling game.
5
6 The game tracks rolls, frames, and whether the game is complete.
7 """
8 self.rolls = []
9 self.frames = []
10 self.current_frame = []
11 self.is_complete = False
12
513 def roll(self, pins):
6 pass
7
14 """
15 Record a roll in the game.
16
17 Args:
18 pins (int): Number of pins knocked down in this roll
19
20 Raises:
21 ValueError: If pins is negative or greater than 10
22 ValueError: If the game is already complete
23 ValueError: If a roll exceeds 10 pins in a frame
24 """
25 # Edge Case: Game already complete
26 if self.is_complete:
27 raise ValueError("Cannot roll after game is over")
28
29 # Edge Case: Invalid pin count
30 if pins < 0:
31 raise ValueError("Negative roll is invalid")
32
33 # Edge Case: Invalid pin count
34 if pins > 10:
35 raise ValueError("Pin count exceeds pins on the lane")
36
37 # Edge Case: Adding roll would exceed 10 pins in a frame (only for regular frames)
38 frame_number = len(self.frames)
39 if frame_number < 9: # Regular frames (1-9)
40 if len(self.current_frame) > 0 and self.current_frame[0] + pins > 10:
41 raise ValueError("Pin count exceeds pins on the lane")
42 elif frame_number == 9: # 10th frame - special validation
43 if len(self.current_frame) == 1:
44 # After first roll
45 if self.current_frame[0] != 10 and self.current_frame[0] + pins > 10:
46 raise ValueError("Pin count exceeds pins on the lane")
47 elif len(self.current_frame) == 2:
48 # After second roll - validate based on what happened
49 if self.current_frame[0] == 10:
50 # First was strike, validate second + third
51 if self.current_frame[1] != 10 and self.current_frame[1] + pins > 10:
52 raise ValueError("Pin count exceeds pins on the lane")
53 elif self.current_frame[0] + self.current_frame[1] == 10:
54 # First two were spare, third roll is always valid (0-10)
55 pass
56 else:
57 # Open frame - shouldn't reach here for third roll
58 raise ValueError("Cannot roll after open tenth frame")
59
60 self.current_frame.append(pins)
61 self.rolls.append(pins)
62
63 # Handle frame completion
64 frame_number = len(self.frames)
65
66 # Regular frames (1-9)
67 if frame_number < 9:
68 # Strike (first roll is 10)
69 if len(self.current_frame) == 1 and self.current_frame[0] == 10:
70 self.frames.append(self.current_frame[:])
71 self.current_frame = []
72 # Open frame or spare (two rolls)
73 elif len(self.current_frame) == 2:
74 self.frames.append(self.current_frame[:])
75 self.current_frame = []
76 # 10th frame - special rules
77 elif frame_number == 9:
78 # Check if 10th frame is complete
79 if len(self.current_frame) == 2:
80 # Open frame (less than 10 pins) - game complete
81 if self.current_frame[0] + self.current_frame[1] < 10:
82 self.frames.append(self.current_frame[:])
83 self.current_frame = []
84 self.is_complete = True
85 # Spare (exactly 10 pins) - need one more roll
86 # Don't complete frame yet
87 elif len(self.current_frame) == 3:
88 # Strike or spare completed with fill balls
89 self.frames.append(self.current_frame[:])
90 self.current_frame = []
91 self.is_complete = True
92
893 def score(self):
9 pass
94 """
95 Calculate the total score for the game.
96
97 Returns:
98 int: The total score of the game
99
100 Raises:
101 ValueError: If the game is not yet complete
102 """
103 # Edge Case: Game not complete (but allow empty game)
104 if not self.is_complete and len(self.rolls) > 0:
105 raise ValueError("Score cannot be taken until the end of the game")
106
107 # Edge Case: No rolls yet
108 if len(self.rolls) == 0:
109 return 0
110
111 total_score = 0
112 roll_index = 0
113
114 # Score first 9 frames
115 for frame_index in range(9):
116 # Strike
117 if self.rolls[roll_index] == 10:
118 # Add 10 plus next two rolls
119 total_score += 10 + self.rolls[roll_index + 1] + self.rolls[roll_index + 2]
120 roll_index += 1
121 # Spare
122 elif self.rolls[roll_index] + self.rolls[roll_index + 1] == 10:
123 # Add 10 plus next roll
124 total_score += 10 + self.rolls[roll_index + 2]
125 roll_index += 2
126 # Open frame
127 else:
128 # Add both rolls
129 total_score += self.rolls[roll_index] + self.rolls[roll_index + 1]
130 roll_index += 2
131
132 # Score 10th frame
133 # Add all remaining rolls (2 or 3)
134 while roll_index < len(self.rolls):
135 total_score += self.rolls[roll_index]
136 roll_index += 1
137
138 return total_score
139
140 # Handled Edge Cases: Game already complete, invalid pin count, adding roll exceeding 10 pins in frame, game not complete for scoring
Test NameStatus
test_an_unstarted_game_cannot_be_scored
Fail
test_a_roll_cannot_score_more_than_10_points
Pass
test_a_spare_followed_by_zeros_is_worth_ten_points
Pass
test_a_spare_in_the_last_frame_gets_a_one_roll_bonus_that_is_counted_once
Pass
test_a_strike_earns_ten_points_in_a_frame_with_a_single_roll
Pass
test_a_strike_in_the_last_frame_gets_a_two_roll_bonus_that_is_counted_once
Pass
test_a_strike_with_the_one_roll_bonus_after_a_spare_in_the_last_frame_does_not_get_a_bonus
Pass
test_all_strikes_is_a_perfect_game
Pass
test_an_incomplete_game_cannot_be_scored
Pass
test_bonus_roll_after_a_strike_in_the_last_frame_cannot_score_more_than_10_points
Pass
test_bonus_roll_for_a_spare_in_the_last_frame_must_be_rolled_before_score_can_be_calculated
Pass
test_bonus_rolls_for_a_strike_in_the_last_frame_must_be_rolled_before_score_can_be_calculated
Pass
test_both_bonus_rolls_for_a_strike_in_the_last_frame_must_be_rolled_before_score_can_be_calculated
Pass
test_cannot_roll_after_bonus_roll_for_spare
Pass
test_cannot_roll_after_bonus_rolls_for_strike
Pass
test_cannot_roll_if_game_already_has_ten_frames
Pass
test_consecutive_spares_each_get_a_one_roll_bonus
Pass
test_consecutive_strikes_each_get_the_two_roll_bonus
Pass
test_last_two_strikes_followed_by_only_last_bonus_with_non_strike_points
Pass
test_points_scored_in_the_roll_after_a_spare_are_counted_twice
Pass
test_points_scored_in_the_two_rolls_after_a_strike_are_counted_twice_as_a_bonus
Pass
test_rolling_a_spare_with_the_two_roll_bonus_does_not_get_a_bonus_roll
Pass
test_rolls_cannot_score_negative_points
Pass
test_second_bonus_roll_after_a_strike_in_the_last_frame_cannot_score_more_than_10_points
Pass
test_should_be_able_to_score_a_game_with_all_zeros
Pass
test_should_be_able_to_score_a_game_with_no_strikes_or_spares
Pass
test_strikes_with_the_two_roll_bonus_do_not_get_bonus_rolls
Pass
test_the_second_bonus_rolls_after_a_strike_in_the_last_frame_cannot_be_a_strike_if_the_first_one_is_not_a_strike
Pass
test_two_bonus_rolls_after_a_strike_in_the_last_frame_can_score_more_than_10_points_if_one_is_a_strike
Pass
test_two_bonus_rolls_after_a_strike_in_the_last_frame_cannot_score_more_than_10_points
Pass
test_two_rolls_in_a_frame_cannot_score_more_than_10_points
Pass

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