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import unittest
from mediaunmasked.analyzers.headline_analyzer import HeadlineAnalyzer
import logging
class TestHeadlineAnalyzer(unittest.TestCase):
def setUp(self):
self.analyzer = HeadlineAnalyzer()
logging.basicConfig(level=logging.INFO)
self.logger = logging.getLogger(__name__)
def test_matching_headline(self):
"""Test when headline matches content"""
headline = "Climate Change Impact on Global Weather Patterns"
content = "Scientists have discovered significant changes in global weather patterns due to climate change. The study shows increasing temperatures are affecting weather systems worldwide."
result = self.analyzer.analyze(headline, content)
self.assertIsNotNone(result)
self.assertIn('headline_vs_content_score', result)
self.assertGreater(result['headline_vs_content_score'], 70) # Should have high score
self.logger.info(f"Matching headline score: {result['headline_vs_content_score']}")
def test_misleading_headline(self):
"""Test when headline is misleading compared to content"""
headline = "Shocking New Diet Guarantees Weight Loss"
content = "While some dietary changes may contribute to weight loss, there is no guaranteed method. Studies show sustainable weight loss requires lifestyle changes."
result = self.analyzer.analyze(headline, content)
self.assertIsNotNone(result)
self.assertIn('headline_vs_content_score', result)
self.assertLess(result['headline_vs_content_score'], 50) # Should have low score
self.logger.info(f"Misleading headline score: {result['headline_vs_content_score']}")
def test_empty_inputs(self):
"""Test handling of empty inputs"""
result = self.analyzer.analyze("", "")
self.assertIsNotNone(result)
self.assertIn('headline_vs_content_score', result)
def test_matching_headline(analyzer):
headline = "New Study Shows Coffee Reduces Heart Disease Risk"
content = "Recent research suggests that coffee may have cardiovascular benefits."
result = analyzer.analyze(headline, content)
assert result["headline_vs_content_score"] > 30
assert result["contradiction_score"] < 0.3
def test_contradictory_headline(analyzer):
headline = "Coffee Increases Heart Disease Risk"
content = "Studies show coffee decreases cardiovascular disease risk."
result = analyzer.analyze(headline, content)
assert result["headline_vs_content_score"] < 30
assert result["contradiction_score"] > 0.3 |