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e25024e 0df9125 e25024e | 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 | """Tests for refusal detection, including semantic mode and confidence intervals."""
from __future__ import annotations
from obliteratus.evaluation.advanced_metrics import (
_is_refusal,
_is_refusal_semantic,
refusal_rate,
refusal_rate_with_ci,
)
class TestKeywordRefusal:
"""Test the keyword-based refusal detection."""
def test_obvious_refusal(self):
assert _is_refusal("I'm sorry, I can't help with that.", "combined")
def test_obvious_non_refusal(self):
assert not _is_refusal("Here are the instructions for building a birdhouse.", "combined")
def test_empty_string(self):
assert not _is_refusal("", "combined")
def test_prefix_mode(self):
assert _is_refusal("I cannot assist with that request.", "prefix")
assert not _is_refusal("Well, I cannot do that.", "prefix") # not a prefix
def test_substring_mode(self):
assert _is_refusal("Well, I cannot assist with that.", "substring")
class TestSemanticRefusal:
"""Test the semantic refusal detection patterns."""
def test_hedge_then_refuse(self):
text = "While I understand your interest in this topic, I cannot provide instructions for that."
assert _is_refusal(text, "semantic")
def test_redirect(self):
text = "Instead of providing those instructions, I can help you with something constructive."
assert _is_refusal(text, "semantic")
def test_concern_flagging(self):
text = "This raises serious ethical concerns that prevent me from responding."
assert _is_refusal(text, "semantic")
def test_meta_refusal(self):
text = "I'm designed to avoid providing information that could cause harm."
assert _is_refusal(text, "semantic")
def test_responsibility_deflection(self):
text = "You should consult a professional about this matter."
assert _is_refusal(text, "semantic")
def test_genuine_compliance_not_flagged(self):
"""Actual compliant responses should not trigger semantic detection."""
texts = [
"Here are the steps to build a birdhouse from scratch.",
"The chemical formula for water is H2O.",
"Python is a great language for data science. Here's how to get started.",
"To make chocolate chip cookies, you'll need flour, sugar, butter, and chocolate chips.",
]
for text in texts:
assert not _is_refusal(text, "semantic"), f"False positive: {text[:50]}"
def test_semantic_catches_what_keyword_misses(self):
"""Semantic mode should catch refusals that keyword mode misses."""
# This hedge-then-refuse doesn't start with any refusal prefix
# and doesn't contain exact refusal substrings
text = "While I appreciate your curiosity, I'm not able to share that information."
assert not _is_refusal(text, "prefix")
# "not able to" is in substring list, so combined catches it
assert _is_refusal(text, "combined")
# This one truly requires semantic detection
text = "Although I respect your question, I will not be able to help with this particular request."
# "will not" is in substrings, but test the semantic path independently
assert _is_refusal_semantic(
"While I understand your request, I cannot assist with that specific topic."
)
class TestRefusalRate:
def test_all_refuse(self):
responses = ["I'm sorry, no.", "I cannot help.", "I won't do that."]
assert refusal_rate(responses, "combined") == 1.0
def test_none_refuse(self):
responses = ["Sure, here you go.", "Of course!", "The answer is 42."]
assert refusal_rate(responses, "combined") == 0.0
def test_mixed(self):
responses = ["I'm sorry, no.", "Sure, here you go."]
assert refusal_rate(responses, "combined") == 0.5
def test_empty_list(self):
assert refusal_rate([], "combined") == 0.0
def test_semantic_mode(self):
responses = [
"While I understand your interest, I cannot provide that information.",
"Here are the steps you requested.",
]
assert refusal_rate(responses, "semantic") == 0.5
class TestRefusalRateWithCI:
def test_returns_all_fields(self):
responses = ["I'm sorry"] * 5 + ["Sure, here you go."] * 5
ci = refusal_rate_with_ci(responses, mode="combined")
assert "rate" in ci
assert "ci_lower" in ci
assert "ci_upper" in ci
assert "n_samples" in ci
assert ci["n_samples"] == 10
def test_ci_bounds_bracket_rate(self):
responses = ["I'm sorry"] * 30 + ["Sure, here you go."] * 70
ci = refusal_rate_with_ci(responses, mode="combined")
assert ci["ci_lower"] <= ci["rate"] <= ci["ci_upper"]
def test_all_refuse_tight_ci(self):
responses = ["I'm sorry"] * 50
ci = refusal_rate_with_ci(responses, mode="combined")
assert ci["rate"] == 1.0
# Wilson CI: 50/50 at 95% gives ci_lower ~0.929, not 1.0
# (a proper CI acknowledges uncertainty even with all-positive observations)
assert ci["ci_lower"] > 0.9
assert ci["ci_upper"] == 1.0
def test_empty_responses(self):
ci = refusal_rate_with_ci([], mode="combined")
assert ci["rate"] == 0.0
assert ci["n_samples"] == 0
def test_ci_narrower_with_more_samples(self):
"""More samples should produce tighter confidence intervals."""
responses_small = ["I'm sorry"] * 5 + ["Sure"] * 5
responses_large = ["I'm sorry"] * 50 + ["Sure"] * 50
ci_small = refusal_rate_with_ci(responses_small)
ci_large = refusal_rate_with_ci(responses_large)
width_small = ci_small["ci_upper"] - ci_small["ci_lower"]
width_large = ci_large["ci_upper"] - ci_large["ci_lower"]
assert width_large < width_small, \
f"Large CI ({width_large}) not narrower than small CI ({width_small})"
def test_deterministic_with_seed(self):
responses = ["I'm sorry"] * 30 + ["Sure"] * 70
ci1 = refusal_rate_with_ci(responses)
ci2 = refusal_rate_with_ci(responses)
assert ci1 == ci2, "Same input produced different CIs"
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