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"""Unit tests for AudioRefiner agent."""
import pytest
from unittest.mock import AsyncMock, Mock, patch
from src.agents.audio_refiner import AudioRefiner, refine_text_for_audio
class TestAudioRefiner:
"""Test suite for AudioRefiner functionality."""
@pytest.fixture
def refiner(self):
"""Create AudioRefiner instance."""
return AudioRefiner()
def test_remove_markdown_headers(self, refiner):
"""Test removal of markdown headers."""
text = """# Main Title
## Subtitle
### Section
Content here"""
result = refiner._remove_markdown_syntax(text)
assert "#" not in result
assert "Main Title" in result
assert "Subtitle" in result
def test_remove_bold_italic(self, refiner):
"""Test removal of bold and italic formatting."""
text = "**Bold text** and *italic text* and __another bold__"
result = refiner._remove_markdown_syntax(text)
assert "**" not in result
assert "*" not in result
assert "__" not in result
assert "Bold text" in result
assert "italic text" in result
def test_remove_links(self, refiner):
"""Test removal of markdown links."""
text = "Check [this link](https://example.com) for details"
result = refiner._remove_markdown_syntax(text)
assert "[" not in result
assert "]" not in result
assert "https://" not in result
assert "this link" in result
def test_remove_citations_numbered(self, refiner):
"""Test removal of numbered citations."""
text = "Research shows [1] that metformin [2,3] works [4-6]."
result = refiner._remove_citations(text)
assert "[1]" not in result
assert "[2,3]" not in result
assert "[4-6]" not in result
assert "Research shows" in result
def test_remove_citations_author_year(self, refiner):
"""Test removal of author-year citations."""
text = "Studies (Smith et al., 2023) and (Jones, 2022) confirm this."
result = refiner._remove_citations(text)
assert "(Smith et al., 2023)" not in result
assert "(Jones, 2022)" not in result
assert "Studies" in result
assert "confirm this" in result
def test_remove_first_references_section(self, refiner):
"""Test that References sections are removed while preserving other content."""
text = """Main content here.
# References
[1] First reference
[2] Second reference
# More Content
This should remain.
## References
This second References should also be removed."""
result = refiner._remove_references_sections(text)
assert "Main content here" in result
assert "References" not in result
assert "First reference" not in result
assert "More Content" in result # Content after References should be preserved
assert "This should remain" in result
assert "second References should also be removed" not in result # Second References section removed
def test_roman_to_int_conversion(self, refiner):
"""Test roman numeral to integer conversion."""
assert refiner._roman_to_int("I") == 1
assert refiner._roman_to_int("II") == 2
assert refiner._roman_to_int("III") == 3
assert refiner._roman_to_int("IV") == 4
assert refiner._roman_to_int("V") == 5
assert refiner._roman_to_int("IX") == 9
assert refiner._roman_to_int("X") == 10
assert refiner._roman_to_int("XII") == 12
assert refiner._roman_to_int("XX") == 20
def test_int_to_word_conversion(self, refiner):
"""Test integer to word conversion."""
assert refiner._int_to_word(1) == "One"
assert refiner._int_to_word(2) == "Two"
assert refiner._int_to_word(3) == "Three"
assert refiner._int_to_word(10) == "Ten"
assert refiner._int_to_word(20) == "Twenty"
assert refiner._int_to_word(25) == "25" # Falls back to digit
def test_convert_roman_numerals_with_context(self, refiner):
"""Test roman numeral conversion with context words."""
test_cases = [
("Phase I trial", "Phase One trial"),
("Phase II study", "Phase Two study"),
("Phase III data", "Phase Three data"),
("Type I diabetes", "Type One diabetes"),
("Type II error", "Type Two error"),
("Stage IV cancer", "Stage Four cancer"),
("Trial I results", "Trial One results"),
]
for input_text, expected in test_cases:
result = refiner._convert_roman_numerals(input_text)
assert expected in result, f"Failed for: {input_text}"
def test_convert_standalone_roman_numerals(self, refiner):
"""Test standalone roman numeral conversion."""
text = "Results for I, II, and III are positive."
result = refiner._convert_roman_numerals(text)
# Standalone roman numerals should be converted
assert "One" in result or "Two" in result or "Three" in result
def test_dont_convert_roman_in_words(self, refiner):
"""Test that roman numerals inside words aren't converted."""
text = "INVALID data fromIXIN compound"
result = refiner._convert_roman_numerals(text)
# Should not break words containing I, V, X, etc.
assert "INVALID" in result or "Invalid" in result # May be case-normalized
def test_clean_special_characters(self, refiner):
"""Test special character cleanup."""
# Using unicode escapes to avoid syntax issues
text = "Text with \u2014 em-dash and \u201csmart quotes\u201d and \u2018apostrophes\u2019."
result = refiner._clean_special_characters(text)
assert "\u2014" not in result # em-dash
assert "\u201c" not in result # smart quote open
assert "\u2018" not in result # smart apostrophe
assert "-" in result
def test_normalize_whitespace(self, refiner):
"""Test whitespace normalization."""
text = "Text with multiple spaces\n\n\n\nand many newlines"
result = refiner._normalize_whitespace(text)
assert " " not in result # No double spaces
assert "\n\n\n" not in result # Max two newlines
async def test_full_refine_workflow(self, refiner):
"""Test complete refinement workflow."""
markdown_text = """# Summary
**Metformin** shows promise for *long COVID* treatment [1].
## Phase I Trials
Research (Smith et al., 2023) indicates [2,3]:
- 50% improvement
- Low side effects
Check [this study](https://example.com) for details.
# References
[1] Smith, J. et al. (2023)
[2] Jones, K. (2022)
"""
result = await refiner.refine_for_audio(markdown_text)
# Check markdown removed
assert "#" not in result
assert "**" not in result
assert "*" not in result
# Check citations removed
assert "[1]" not in result
assert "(Smith et al., 2023)" not in result
# Check roman numerals converted
assert "Phase One" in result
# Check references section removed
assert "References" not in result
assert "Smith, J. et al." not in result
# Check content preserved
assert "Metformin" in result
assert "long COVID" in result
async def test_convenience_function(self):
"""Test convenience function."""
text = "**Bold** text with [link](url)"
result = await refine_text_for_audio(text)
assert "**" not in result
assert "[link]" not in result
assert "Bold" in result
async def test_empty_text(self, refiner):
"""Test handling of empty text."""
assert await refiner.refine_for_audio("") == ""
assert await refiner.refine_for_audio(" ") == ""
async def test_no_references_section(self, refiner):
"""Test text without References section."""
text = "Main content without references."
result = await refiner.refine_for_audio(text)
assert "Main content without references" in result
def test_multiple_reference_formats(self, refiner):
"""Test different References section formats."""
formats = [
("# References\nContent", True), # Markdown header - will be removed
("## References\nContent", True), # Markdown header - will be removed
("**References**\nContent", True), # Bold heading - will be removed
("References:\nContent", False), # Standalone without markers - NOT removed (edge case)
]
for format_text, should_remove in formats:
text = f"Main content\n{format_text}"
result = refiner._remove_references_sections(text)
assert "Main content" in result
if should_remove:
assert "References" not in result or result.count("References") == 0
# Standalone "References:" without markers is an edge case we don't handle
def test_preserve_paragraph_structure(self, refiner):
"""Test that paragraph structure is preserved."""
text = "First paragraph.\n\nSecond paragraph.\n\nThird paragraph."
result = refiner._normalize_whitespace(text)
# Should have paragraph breaks (double newlines)
assert "\n\n" in result
# But not excessive newlines
assert "\n\n\n" not in result
@patch('src.agents.audio_refiner.get_pydantic_ai_model')
async def test_llm_polish_disabled_by_default(self, mock_get_model, refiner):
"""Test that LLM polish is not called by default."""
text = "Test text"
result = await refiner.refine_for_audio(text, use_llm_polish=False)
# LLM should not be called when disabled
mock_get_model.assert_not_called()
assert "Test text" in result
@patch('src.agents.audio_refiner.Agent')
@patch('src.agents.audio_refiner.get_pydantic_ai_model')
async def test_llm_polish_enabled(self, mock_get_model, mock_agent_class, refiner):
"""Test that LLM polish is called when enabled."""
# Setup mock
mock_model = Mock()
mock_get_model.return_value = mock_model
mock_agent_instance = Mock()
mock_result = Mock()
mock_result.output = "Polished text"
mock_agent_instance.run = AsyncMock(return_value=mock_result)
mock_agent_class.return_value = mock_agent_instance
# Test with LLM polish enabled
text = "**Test** text"
result = await refiner.refine_for_audio(text, use_llm_polish=True)
# Verify LLM was called
mock_get_model.assert_called_once()
mock_agent_class.assert_called_once()
mock_agent_instance.run.assert_called_once()
assert result == "Polished text"
@patch('src.agents.audio_refiner.Agent')
@patch('src.agents.audio_refiner.get_pydantic_ai_model')
async def test_llm_polish_graceful_fallback(self, mock_get_model, mock_agent_class, refiner):
"""Test graceful fallback when LLM polish fails."""
# Setup mock to raise exception
mock_get_model.return_value = Mock()
mock_agent_instance = Mock()
mock_agent_instance.run = AsyncMock(side_effect=Exception("API Error"))
mock_agent_class.return_value = mock_agent_instance
# Test with LLM polish enabled but failing
text = "Test text"
result = await refiner.refine_for_audio(text, use_llm_polish=True)
# Should fall back to rule-based output
assert "Test text" in result
assert result != "" # Should not be empty
async def test_convenience_function_with_llm_polish(self):
"""Test convenience function with LLM polish parameter."""
with patch.object(AudioRefiner, 'refine_for_audio') as mock_refine:
mock_refine.return_value = AsyncMock(return_value="Refined text")()
# Test without LLM polish
result = await refine_text_for_audio("Test", use_llm_polish=False)
mock_refine.assert_called_with("Test", use_llm_polish=False)
# Test with LLM polish
result = await refine_text_for_audio("Test", use_llm_polish=True)
mock_refine.assert_called_with("Test", use_llm_polish=True)
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