JiaYou

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 or pins > 10:
21 raise ValueError("pins must be between 0 and 10")
22
23 # Edge Case: Game is already complete
24 if self.is_game_complete():
25 raise ValueError("game is already complete")
26
27 # Edge Case: Invalid roll after a strike in frames 1-9
28 if self.current_roll < 18: # Frames 1-9 (18 rolls max)
29 if (self.current_roll % 2 == 0) and pins == 10: # First roll of frame is a strike
30 # Add the strike and a 0 for the second roll
31 self.rolls.append(pins)
32 self.rolls.append(0)
33 self.current_roll += 2
34 return
35
36 # Edge Case: Tenth frame validation
37 if self.current_roll >= 18: # In tenth frame
38 # Check if this is the third roll in tenth frame
39 if self.current_roll == 20:
40 # Edge Case: Third roll in tenth frame must follow a strike or spare
41 if not (self.is_tenth_frame_strike() or self.is_tenth_frame_spare()):
42 raise ValueError("invalid fill balls")
43
44 # Edge Case: Invalid fill ball after a spare
45 if self.current_roll == 19 and self.is_tenth_frame_spare():
46 if pins > 10:
47 raise ValueError("pins must be between 0 and 10")
48
49 # Edge Case: Invalid second fill ball after two strikes
50 if self.current_roll == 20 and self.is_tenth_frame_strike():
51 # If first two rolls were strikes, third roll can be 0-10
52 # If first roll was strike and second wasn't, third roll must complete to <= 10
53 if self.rolls[18] == 10: # First roll was strike
54 if self.rolls[19] == 10: # Second roll was also strike
55 if pins > 10:
56 raise ValueError("pins must be between 0 and 10")
57 else: # Second roll wasn't strike
58 if self.rolls[19] + pins > 10:
59 raise ValueError("invalid fill balls")
60 else: # First roll wasn't strike (must be spare)
61 if pins > 10:
62 raise ValueError("pins must be between 0 and 10")
63
64 self.rolls.append(pins)
65 self.current_roll += 1
66
867 def score(self):
9 pass
68 """
69 Calculate the total score for the game.
70
71 Returns:
72 int: The total score of the game.
73
74 Raises:
75 ValueError: If the game is not yet complete.
76 """
77 # Edge Case: Game is not complete
78 if not self.is_game_complete():
79 raise ValueError("game is not yet complete")
80
81 total_score = 0
82 roll_index = 0
83
84 for frame in range(10):
85 # Edge Case: Tenth frame scoring
86 if frame == 9: # Tenth frame
87 total_score += self.rolls[roll_index] + self.rolls[roll_index + 1]
88 # Add third roll if it exists
89 if len(self.rolls) > roll_index + 2:
90 total_score += self.rolls[roll_index + 2]
91 else:
92 # Edge Case: Strike scoring
93 if self.is_strike(roll_index):
94 total_score += 10 + self.strike_bonus(roll_index)
95 roll_index += 2
96 # Edge Case: Spare scoring
97 elif self.is_spare(roll_index):
98 total_score += 10 + self.spare_bonus(roll_index)
99 roll_index += 2
100 # Edge Case: Open frame scoring
101 else:
102 total_score += self.rolls[roll_index] + self.rolls[roll_index + 1]
103 roll_index += 2
104
105 return total_score
106
107 def is_game_complete(self):
108 """
109 Check if the game is complete.
110
111 Returns:
112 bool: True if the game is complete, False otherwise.
113 """
114 # Edge Case: Not enough rolls
115 if self.current_roll < 18:
116 return False
117
118 # Edge Case: Exactly 18 rolls but tenth frame was open
119 if self.current_roll == 18:
120 return True
121
122 # Edge Case: 19 rolls means spare in tenth frame
123 if self.current_roll == 19:
124 return self.is_tenth_frame_spare()
125
126 # Edge Case: 20 rolls means either two strikes or strike+non-strike in tenth frame
127 if self.current_roll == 20:
128 return True
129
130 # Edge Case: 21 rolls means three strikes in tenth frame
131 if self.current_roll == 21:
132 return True
133
134 return False
135
136 def is_strike(self, roll_index):
137 """
138 Check if the roll at the given index is a strike.
139
140 Args:
141 roll_index (int): Index of the roll to check.
142
143 Returns:
144 bool: True if it's a strike, False otherwise.
145 """
146 return self.rolls[roll_index] == 10
147
148 def is_spare(self, roll_index):
149 """
150 Check if the frame starting at the given index is a spare.
151
152 Args:
153 roll_index (int): Index of the first roll of the frame.
154
155 Returns:
156 bool: True if it's a spare, False otherwise.
157 """
158 return self.rolls[roll_index] + self.rolls[roll_index + 1] == 10
159
160 def strike_bonus(self, roll_index):
161 """
162 Calculate the bonus for a strike.
163
164 Args:
165 roll_index (int): Index of the strike roll.
166
167 Returns:
168 int: The bonus points for the strike.
169 """
170 # Edge Case: Strike at the end of game
171 if roll_index >= len(self.rolls) - 2:
172 return 0
173 return self.rolls[roll_index + 2] + self.rolls[roll_index + 3]
174
175 def spare_bonus(self, roll_index):
176 """
177 Calculate the bonus for a spare.
178
179 Args:
180 roll_index (int): Index of the first roll of the spare frame.
181
182 Returns:
183 int: The bonus points for the spare.
184 """
185 # Edge Case: Spare at the end of game
186 if roll_index >= len(self.rolls) - 2:
187 return 0
188 return self.rolls[roll_index + 2]
189
190 def is_tenth_frame_strike(self):
191 """
192 Check if the tenth frame started with a strike.
193
194 Returns:
195 bool: True if tenth frame started with a strike, False otherwise.
196 """
197 return len(self.rolls) >= 19 and self.rolls[18] == 10
198
199 def is_tenth_frame_spare(self):
200 """
201 Check if the tenth frame is a spare.
202
203 Returns:
204 bool: True if tenth frame is a spare, False otherwise.
205 """
206 return (len(self.rolls) >= 20 and
207 self.rolls[18] + self.rolls[19] == 10)
208
209 # Handled Edge Cases: Invalid pin count, game already complete, invalid roll after strike, tenth frame validation, invalid fill balls
210 # Handled Edge Cases: Game not complete, strike scoring, spare scoring, open frame scoring
211 # Handled Edge Cases: Not enough rolls, exactly 18 rolls, 19 rolls with spare, 20 rolls, 21 rolls
212 # Handled Edge Cases: Strike at the end of game
213 # Handled Edge Cases: Spare at the end of game
Test NameStatus
test_a_spare_followed_by_zeros_is_worth_ten_points
Fail
test_a_spare_in_the_last_frame_gets_a_one_roll_bonus_that_is_counted_once
Fail
test_a_strike_earns_ten_points_in_a_frame_with_a_single_roll
Fail
test_a_strike_in_the_last_frame_gets_a_two_roll_bonus_that_is_counted_once
Fail
test_a_strike_with_the_one_roll_bonus_after_a_spare_in_the_last_frame_does_not_get_a_bonus
Fail
test_all_strikes_is_a_perfect_game
Fail
test_bonus_roll_after_a_strike_in_the_last_frame_cannot_score_more_than_10_points
Fail
test_bonus_roll_for_a_spare_in_the_last_frame_must_be_rolled_before_score_can_be_calculated
Fail
test_bonus_rolls_for_a_strike_in_the_last_frame_must_be_rolled_before_score_can_be_calculated
Fail
test_both_bonus_rolls_for_a_strike_in_the_last_frame_must_be_rolled_before_score_can_be_calculated
Fail
test_cannot_roll_after_bonus_roll_for_spare
Fail
test_cannot_roll_after_bonus_rolls_for_strike
Fail
test_cannot_roll_if_game_already_has_ten_frames
Fail
test_consecutive_spares_each_get_a_one_roll_bonus
Fail
test_consecutive_strikes_each_get_the_two_roll_bonus
Fail
test_last_two_strikes_followed_by_only_last_bonus_with_non_strike_points
Fail
test_points_scored_in_the_roll_after_a_spare_are_counted_twice
Fail
test_points_scored_in_the_two_rolls_after_a_strike_are_counted_twice_as_a_bonus
Fail
test_rolling_a_spare_with_the_two_roll_bonus_does_not_get_a_bonus_roll
Fail
test_second_bonus_roll_after_a_strike_in_the_last_frame_cannot_score_more_than_10_points
Fail
test_should_be_able_to_score_a_game_with_all_zeros
Fail
test_should_be_able_to_score_a_game_with_no_strikes_or_spares
Fail
test_strikes_with_the_two_roll_bonus_do_not_get_bonus_rolls
Fail
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_can_score_more_than_10_points_if_one_is_a_strike
Fail
test_two_bonus_rolls_after_a_strike_in_the_last_frame_cannot_score_more_than_10_points
Fail
test_two_rolls_in_a_frame_cannot_score_more_than_10_points
Fail
test_a_roll_cannot_score_more_than_10_points
Pass
test_an_incomplete_game_cannot_be_scored
Pass
test_an_unstarted_game_cannot_be_scored
Pass
test_rolls_cannot_score_negative_points
Pass

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