File size: 9,814 Bytes
e70050b
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
# -*- coding: utf-8 -*-
"""
Test TREC Integration - SysCRED
================================
Integration tests for TREC AP88-90 evidence retrieval.

Tests:
1. TRECRetriever initialization
2. Evidence retrieval
3. Integration with VerificationSystem
4. Batch retrieval
5. Metrics evaluation

(c) Dominique S. Loyer - PhD Thesis Prototype
Citation Key: loyerEvaluationModelesRecherche2025
"""

import sys
import unittest
from pathlib import Path

# Add parent to path
sys.path.insert(0, str(Path(__file__).parent.parent))

from syscred.trec_retriever import TRECRetriever, Evidence, RetrievalResult
from syscred.trec_dataset import TRECDataset, TRECTopic, SAMPLE_TOPICS
from syscred.eval_metrics import EvaluationMetrics
from syscred.ir_engine import IREngine


class TestTRECRetriever(unittest.TestCase):
    """Tests for TRECRetriever class."""
    
    @classmethod
    def setUpClass(cls):
        """Set up retriever with sample corpus."""
        cls.retriever = TRECRetriever(use_stemming=True, enable_prf=False)
        
        # Add sample corpus for testing
        cls.retriever.corpus = {
            "AP880101-0001": {
                "text": "Climate change is primarily caused by human activities, particularly the burning of fossil fuels.",
                "title": "Climate Science Report"
            },
            "AP880101-0002": {
                "text": "The Earth's temperature has risen significantly over the past century due to greenhouse gas emissions.",
                "title": "Global Warming Study"
            },
            "AP880102-0001": {
                "text": "Natural climate variations have occurred throughout Earth's history, including ice ages.",
                "title": "Climate History"
            },
            "AP880102-0002": {
                "text": "Renewable energy sources like solar and wind can help reduce carbon emissions significantly.",
                "title": "Green Energy Solutions"
            },
            "AP880103-0001": {
                "text": "Scientific consensus supports the theory that humans are the primary cause of recent climate change.",
                "title": "IPCC Summary"
            },
            "AP890215-0001": {
                "text": "The presidential election campaign focused on economic issues and foreign policy.",
                "title": "Election Coverage"
            },
            "AP890216-0001": {
                "text": "Stock markets rose sharply after positive economic indicators were released.",
                "title": "Financial News"
            },
        }
    
    def test_retriever_initialization(self):
        """Test that retriever initializes correctly."""
        self.assertIsNotNone(self.retriever)
        self.assertIsNotNone(self.retriever.ir_engine)
        self.assertEqual(len(self.retriever.corpus), 7)
    
    def test_evidence_retrieval(self):
        """Test evidence retrieval for a claim."""
        result = self.retriever.retrieve_evidence(
            claim="Climate change is caused by human activities",
            k=3
        )
        
        self.assertIsInstance(result, RetrievalResult)
        self.assertGreater(len(result.evidences), 0)
        self.assertLessEqual(len(result.evidences), 3)
        
        # Check first evidence
        first = result.evidences[0]
        self.assertIsInstance(first, Evidence)
        self.assertTrue(first.doc_id.startswith("AP"))
        self.assertGreater(first.score, 0)
        self.assertEqual(first.rank, 1)
    
    def test_batch_retrieval(self):
        """Test batch evidence retrieval."""
        claims = [
            "Climate change is real",
            "Stock markets and economy",
            "Presidential election"
        ]
        
        results = self.retriever.batch_retrieve(claims, k=2)
        
        self.assertEqual(len(results), 3)
        for result in results:
            self.assertIsInstance(result, RetrievalResult)
    
    def test_statistics(self):
        """Test statistics collection."""
        # Run a query first
        self.retriever.retrieve_evidence("test query", k=2)
        
        stats = self.retriever.get_statistics()
        
        self.assertIn("queries_processed", stats)
        self.assertIn("corpus_size", stats)
        self.assertGreater(stats["queries_processed"], 0)


class TestTRECDataset(unittest.TestCase):
    """Tests for TRECDataset class."""
    
    def test_sample_topics(self):
        """Test sample topics availability."""
        self.assertIsNotNone(SAMPLE_TOPICS)
        self.assertGreater(len(SAMPLE_TOPICS), 0)
        
        # Check structure
        for topic_id, topic in SAMPLE_TOPICS.items():
            self.assertIsInstance(topic, TRECTopic)
            self.assertTrue(topic.title)
    
    def test_dataset_initialization(self):
        """Test dataset initialization."""
        dataset = TRECDataset()
        self.assertIsNotNone(dataset)
        self.assertEqual(len(dataset.topics), 0)
        self.assertEqual(len(dataset.qrels), 0)
    
    def test_topic_query_generation(self):
        """Test query generation from topics."""
        dataset = TRECDataset()
        dataset.topics = SAMPLE_TOPICS.copy()
        
        short_queries = dataset.get_topic_queries(query_type="short")
        long_queries = dataset.get_topic_queries(query_type="long")
        
        self.assertEqual(len(short_queries), len(SAMPLE_TOPICS))
        self.assertEqual(len(long_queries), len(SAMPLE_TOPICS))


class TestEvaluationMetrics(unittest.TestCase):
    """Tests for EvaluationMetrics class."""
    
    def setUp(self):
        self.metrics = EvaluationMetrics()
    
    def test_precision_at_k(self):
        """Test P@K calculation."""
        retrieved = ["doc1", "doc2", "doc3", "doc4", "doc5"]
        relevant = {"doc1", "doc3", "doc5"}
        
        p_at_3 = self.metrics.precision_at_k(retrieved, relevant, k=3)
        self.assertAlmostEqual(p_at_3, 2/3)  # doc1 and doc3 in top 3
        
        p_at_5 = self.metrics.precision_at_k(retrieved, relevant, k=5)
        self.assertAlmostEqual(p_at_5, 3/5)
    
    def test_recall_at_k(self):
        """Test R@K calculation."""
        retrieved = ["doc1", "doc2", "doc3", "doc4", "doc5"]
        relevant = {"doc1", "doc3", "doc5", "doc7"}  # 4 relevant, doc7 not retrieved
        
        r_at_5 = self.metrics.recall_at_k(retrieved, relevant, k=5)
        self.assertAlmostEqual(r_at_5, 3/4)  # 3 of 4 relevant docs retrieved
    
    def test_average_precision(self):
        """Test AP calculation."""
        retrieved = ["doc1", "doc2", "doc3", "doc4"]
        relevant = {"doc1", "doc3"}
        
        ap = self.metrics.average_precision(retrieved, relevant)
        # AP = (1/2) * (1/1 + 2/3) = 0.5 * 1.667 = 0.833
        expected = (1.0 + 2/3) / 2
        self.assertAlmostEqual(ap, expected, places=4)
    
    def test_reciprocal_rank(self):
        """Test MRR calculation."""
        retrieved = ["doc2", "doc3", "doc1", "doc4"]
        relevant = {"doc1"}
        
        rr = self.metrics.reciprocal_rank(retrieved, relevant)
        self.assertAlmostEqual(rr, 1/3)  # doc1 is at rank 3


class TestIREngine(unittest.TestCase):
    """Tests for IREngine class."""
    
    def setUp(self):
        self.engine = IREngine(use_stemming=True)
    
    def test_preprocessing(self):
        """Test text preprocessing."""
        text = "The quick brown fox JUMPS over the lazy dog!"
        processed = self.engine.preprocess(text)
        
        # Should be lowercase, no common stopwords
        self.assertNotIn("the", processed)
        self.assertTrue(processed.islower())
        # Should contain content words
        self.assertIn("quick", processed)
        self.assertIn("brown", processed)
    
    def test_tfidf_calculation(self):
        """Test TF-IDF scoring (basic)."""
        # This tests the internal TF-IDF if pyserini not available
        self.assertIsNotNone(self.engine)


class TestVerificationSystemIntegration(unittest.TestCase):
    """Integration tests with VerificationSystem."""
    
    @classmethod
    def setUpClass(cls):
        """Initialize system without ML models for speed."""
        try:
            from syscred.verification_system import CredibilityVerificationSystem
            cls.system = CredibilityVerificationSystem(load_ml_models=False)
            cls.skip = False
        except Exception as e:
            print(f"Skipping integration tests: {e}")
            cls.skip = True
    
    def test_system_has_retriever(self):
        """Test that system has TREC retriever."""
        if self.skip:
            self.skipTest("VerificationSystem not available")
        
        # Retriever might be None if no corpus configured
        self.assertTrue(hasattr(self.system, 'trec_retriever'))
    
    def test_retrieve_evidence_method(self):
        """Test retrieve_evidence method."""
        if self.skip:
            self.skipTest("VerificationSystem not available")
        
        # Should return empty list if no corpus
        evidences = self.system.retrieve_evidence("test claim")
        self.assertIsInstance(evidences, list)
    
    def test_verify_with_evidence_method(self):
        """Test verify_with_evidence method."""
        if self.skip:
            self.skipTest("VerificationSystem not available")
        
        result = self.system.verify_with_evidence("Climate change is real")
        
        self.assertIn('claim', result)
        self.assertIn('evidences', result)
        self.assertIn('verification_verdict', result)
        self.assertIn('confidence', result)


if __name__ == "__main__":
    print("=" * 60)
    print("SysCRED TREC Integration Tests")
    print("=" * 60)
    
    # Run with verbosity
    unittest.main(verbosity=2)