fistinz

Finished
11class BowlingGame:
22 def __init__(self):
3 pass
4
3 """
4 Initialize a new bowling game.
5 """
6 self.rolls = []
7 self.current_roll = 0
8
59 def roll(self, pins):
6 pass
7
10 """
11 Record a roll in the game.
12
13 Args:
14 pins (int): Number of pins knocked down in this roll.
15
16 Raises:
17 ValueError: If the number of pins is invalid.
18 """
19 # Edge Case: Invalid pin count (negative or more than 10)
20 if pins < 0:
21 raise ValueError("Pins cannot be negative")
22 if pins > 10:
23 raise ValueError("Pins cannot be more than 10")
24
25 # Edge Case: Too many pins in a frame
26 # Only validate for non-strike frames (where there are two rolls)
27 if (self.current_roll > 0 and
28 self.current_roll % 2 == 1 and # Second roll in a frame
29 self.rolls[-1] != 10 and # Previous roll was not a strike
30 self.rolls[-1] + pins > 10): # Sum exceeds 10 pins
31 raise ValueError("Pins cannot be more than 10 in a frame")
32
33 # Edge Case: Game already completed
34 if self.is_game_complete():
35 raise ValueError("Game has ended")
36
37 self.rolls.append(pins)
38 self.current_roll += 1
39
840 def score(self):
9 pass
41 """
42 Calculate the total score for the game.
43
44 Returns:
45 int: The total score of the game.
46
47 Raises:
48 ValueError: If the game is not yet complete.
49 """
50 # Edge Case: Game not complete
51 if not self.is_game_complete():
52 raise ValueError("Game has not ended yet")
53
54 total_score = 0
55 roll_index = 0
56
57 for frame in range(10):
58 # Edge Case: Strike in frames 1-9
59 if self.is_strike(roll_index) and frame < 9:
60 total_score += 10 + self.strike_bonus(roll_index)
61 roll_index += 1
62 # Edge Case: Spare in frames 1-9
63 elif self.is_spare(roll_index) and frame < 9:
64 total_score += 10 + self.spare_bonus(roll_index)
65 roll_index += 2
66 # Edge Case: Open frame in frames 1-9
67 elif frame < 9:
68 total_score += self.sum_of_balls_in_frame(roll_index)
69 roll_index += 2
70 # Edge Case: Tenth frame handling
71 else: # frame == 9
72 # Edge Case: Strike in tenth frame
73 if self.is_strike(roll_index):
74 # Edge Case: Second roll is also a strike
75 if self.is_strike(roll_index + 1):
76 # Edge Case: Third roll is also a strike
77 total_score += 30 if self.is_strike(roll_index + 2) else 20 + self.rolls[roll_index + 2]
78 else:
79 total_score += 10 + self.rolls[roll_index + 1] + self.rolls[roll_index + 2]
80 # Edge Case: Spare in tenth frame
81 elif self.is_spare(roll_index):
82 total_score += 10 + self.rolls[roll_index + 2]
83 # Edge Case: Open tenth frame
84 else:
85 total_score += self.sum_of_balls_in_frame(roll_index)
86
87 # Edge Case: Invalid number of rolls in tenth frame
88 if len(self.rolls) != roll_index + (3 if self.is_strike(roll_index) or self.is_spare(roll_index) else 2):
89 raise ValueError("Invalid number of rolls in tenth frame")
90
91 return total_score
92
93 def is_game_complete(self):
94 """
95 Check if the game is complete.
96
97 Returns:
98 bool: True if the game is complete, False otherwise.
99 """
100 # Need at least 10 frames worth of rolls
101 if len(self.rolls) < 10:
102 return False
103
104 # Check if we have completed 10 frames
105 frame = 0
106 roll_index = 0
107
108 # Process first 9 frames
109 while frame < 9 and roll_index < len(self.rolls):
110 if self.is_strike(roll_index):
111 roll_index += 1
112 else:
113 if roll_index + 1 < len(self.rolls):
114 roll_index += 2
115 else:
116 # Not enough rolls to complete this frame
117 return False
118 frame += 1
119
120 # If we haven't completed 9 frames, game is not complete
121 if frame < 9:
122 return False
123
124 # Process 10th frame
125 if roll_index >= len(self.rolls):
126 return False
127
128 # 10th frame - special handling
129 if self.is_strike(roll_index): # First roll is a strike
130 # Need two more rolls
131 if roll_index + 2 >= len(self.rolls):
132 return False
133 # Game is complete with 3 rolls in 10th frame
134 return True
135 else:
136 # First roll is not a strike
137 if roll_index + 1 >= len(self.rolls):
138 return False
139
140 # Check if it's a spare
141 if self.is_spare(roll_index):
142 # Need one more roll
143 if roll_index + 2 >= len(self.rolls):
144 return False
145 # Game is complete with 3 rolls in 10th frame
146 return True
147 else:
148 # Open frame - just need 2 rolls
149 if roll_index + 1 >= len(self.rolls):
150 return False
151 # Game is complete with 2 rolls in 10th frame
152 return True
153
154 return False
155
156 def is_strike(self, roll_index):
157 """
158 Check if a roll is a strike.
159
160 Args:
161 roll_index (int): Index of the roll to check.
162
163 Returns:
164 bool: True if the roll is a strike, False otherwise.
165 """
166 return roll_index < len(self.rolls) and self.rolls[roll_index] == 10
167
168 def is_spare(self, roll_index):
169 """
170 Check if a frame is a spare.
171
172 Args:
173 roll_index (int): Index of the first roll in the frame.
174
175 Returns:
176 bool: True if the frame is a spare, False otherwise.
177 """
178 return (roll_index + 1 < len(self.rolls) and
179 self.rolls[roll_index] + self.rolls[roll_index + 1] == 10)
180
181 def strike_bonus(self, roll_index):
182 """
183 Calculate the bonus for a strike.
184
185 Args:
186 roll_index (int): Index of the strike roll.
187
188 Returns:
189 int: The bonus points for the strike.
190 """
191 # Edge Case: Not enough rolls for bonus calculation
192 if roll_index + 2 >= len(self.rolls):
193 return 0
194 return self.rolls[roll_index + 1] + self.rolls[roll_index + 2]
195
196 def spare_bonus(self, roll_index):
197 """
198 Calculate the bonus for a spare.
199
200 Args:
201 roll_index (int): Index of the first roll in the spare frame.
202
203 Returns:
204 int: The bonus points for the spare.
205 """
206 # Edge Case: Not enough rolls for bonus calculation
207 if roll_index + 2 >= len(self.rolls):
208 return 0
209 return self.rolls[roll_index + 2]
210
211 def sum_of_balls_in_frame(self, roll_index):
212 """
213 Calculate the sum of pins knocked down in a frame.
214
215 Args:
216 roll_index (int): Index of the first roll in the frame.
217
218 Returns:
219 int: The sum of pins knocked down in the frame.
220 """
221 # Edge Case: Not enough rolls in frame
222 if roll_index + 1 >= len(self.rolls):
223 return self.rolls[roll_index] if roll_index < len(self.rolls) else 0
224 return self.rolls[roll_index] + self.rolls[roll_index + 1]
225
226 # Handled Edge Cases: Invalid pin count, too many pins in a frame, game already completed
227 # Handled Edge Cases: Game not complete, strike in frames 1-9, spare in frames 1-9, open frame in frames 1-9, strike in tenth frame, spare in tenth frame, open tenth frame, invalid number of rolls in tenth frame
228 # Handled Edge Cases: Not enough rolls for bonus calculation
229 # Handled Edge Cases: Not enough rolls in frame
Test NameStatus
test_the_second_bonus_rolls_after_a_strike_in_the_last_frame_cannot_be_a_strike_if_the_first_one_is_not_a_strike
Fail
test_two_bonus_rolls_after_a_strike_in_the_last_frame_cannot_score_more_than_10_points
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_an_unstarted_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_two_bonus_rolls_after_a_strike_in_the_last_frame_can_score_more_than_10_points_if_one_is_a_strike
Pass
test_two_rolls_in_a_frame_cannot_score_more_than_10_points
Pass

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