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0799271 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 | """Tests for src/utils.py - parse_llm_answer function."""
import sys
import os
# Add src to path so we can import utils directly
sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..', 'src'))
import pytest
from utils import parse_llm_answer
# --- MCQ_SINGLE_CORRECT ---
class TestMCQSingleCorrect:
def test_numeric_option(self):
assert parse_llm_answer("<answer>2</answer>", "MCQ_SINGLE_CORRECT") == ["2"]
def test_letter_option(self):
assert parse_llm_answer("<answer>B</answer>", "MCQ_SINGLE_CORRECT") == ["B"]
def test_lowercase_letter_uppercased(self):
assert parse_llm_answer("<answer> c </answer>", "MCQ_SINGLE_CORRECT") == ["C"]
def test_multiple_numeric_rejected(self):
assert parse_llm_answer("<answer>1,3</answer>", "MCQ_SINGLE_CORRECT") is None
def test_multiple_letter_rejected(self):
assert parse_llm_answer("<answer>A,C</answer>", "MCQ_SINGLE_CORRECT") is None
def test_invalid_letter_rejected(self):
"""Letters beyond A-D should be rejected."""
assert parse_llm_answer("<answer>X</answer>", "MCQ_SINGLE_CORRECT") is None
def test_single_digit_5_accepted(self):
"""Single digits 1-9 are accepted as valid options."""
assert parse_llm_answer("<answer>5</answer>", "MCQ_SINGLE_CORRECT") == ["5"]
def test_multi_digit_rejected(self):
"""Multi-digit numbers like 99 should be rejected."""
assert parse_llm_answer("<answer>99</answer>", "MCQ_SINGLE_CORRECT") is None
def test_zero_rejected(self):
"""0 is not a valid MCQ option."""
assert parse_llm_answer("<answer>0</answer>", "MCQ_SINGLE_CORRECT") is None
# --- INTEGER ---
class TestInteger:
def test_positive_integer(self):
assert parse_llm_answer("<answer>42</answer>", "INTEGER") == ["42"]
def test_zero(self):
assert parse_llm_answer("<answer>0</answer>", "INTEGER") == ["0"]
def test_decimal(self):
assert parse_llm_answer("<answer>12.75</answer>", "INTEGER") == ["12.75"]
def test_small_decimal(self):
assert parse_llm_answer("<answer>0.5</answer>", "INTEGER") == ["0.5"]
def test_negative_integer(self):
assert parse_llm_answer("<answer>-5</answer>", "INTEGER") == ["-5"]
def test_trailing_zeros(self):
assert parse_llm_answer("<answer>5.00</answer>", "INTEGER") == ["5.00"]
def test_text_rejected(self):
assert parse_llm_answer("<answer>abc</answer>", "INTEGER") is None
def test_multiple_values_rejected(self):
assert parse_llm_answer("<answer>1,2</answer>", "INTEGER") is None
# --- MCQ_MULTIPLE_CORRECT ---
class TestMCQMultipleCorrect:
def test_two_numeric_options(self):
assert parse_llm_answer("<answer>1,3</answer>", "MCQ_MULTIPLE_CORRECT") == ["1", "3"]
def test_two_letter_options(self):
assert parse_llm_answer("<answer>A,C</answer>", "MCQ_MULTIPLE_CORRECT") == ["A", "C"]
def test_lowercase_uppercased_with_spaces(self):
assert parse_llm_answer("<answer> b , d </answer>", "MCQ_MULTIPLE_CORRECT") == ["B", "D"]
def test_single_numeric_valid(self):
assert parse_llm_answer("<answer>2</answer>", "MCQ_MULTIPLE_CORRECT") == ["2"]
def test_single_letter_valid(self):
assert parse_llm_answer("<answer>D</answer>", "MCQ_MULTIPLE_CORRECT") == ["D"]
def test_mixed_sorted(self):
assert parse_llm_answer("<answer>1,C,3</answer>", "MCQ_MULTIPLE_CORRECT") == ["1", "3", "C"]
def test_duplicates_removed(self):
assert parse_llm_answer("<answer>C,1,A,1</answer>", "MCQ_MULTIPLE_CORRECT") == ["1", "A", "C"]
def test_invalid_letter_rejected(self):
"""X is not in A-D, so entire parse fails."""
assert parse_llm_answer("<answer>1,X,3</answer>", "MCQ_MULTIPLE_CORRECT") is None
def test_double_comma_handled(self):
assert parse_llm_answer("<answer>1,,2</answer>", "MCQ_MULTIPLE_CORRECT") == ["1", "2"]
# --- SKIP and edge cases ---
class TestSkipAndEdgeCases:
def test_skip_uppercase_tag(self):
assert parse_llm_answer("<ANSWER>SKIP</ANSWER>", "MCQ_SINGLE_CORRECT") == "SKIP"
def test_skip_with_whitespace(self):
assert parse_llm_answer(" <answer> SKIP </answer> ", "INTEGER") == "SKIP"
def test_no_tag(self):
assert parse_llm_answer("No answer tag here.", "MCQ_SINGLE_CORRECT") is None
def test_empty_tag(self):
assert parse_llm_answer("<answer></answer>", "MCQ_SINGLE_CORRECT") is None
def test_whitespace_only_tag(self):
assert parse_llm_answer("<answer> </answer>", "MCQ_SINGLE_CORRECT") is None
def test_none_input(self):
assert parse_llm_answer(None, "MCQ_SINGLE_CORRECT") is None
def test_empty_string_input(self):
assert parse_llm_answer("", "MCQ_SINGLE_CORRECT") is None
def test_unknown_type(self):
assert parse_llm_answer("<answer>5</answer>", "UNKNOWN_TYPE") is None
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