354 lines
13 KiB
Python
354 lines
13 KiB
Python
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"""
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Unit tests for src.investment.hybrid_smart_chunking_preprocessing module
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Tests contract text preprocessing and section splitting functionality including:
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- Section identification based on various heading patterns
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- Text preservation verification
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- Section metadata extraction
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"""
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import pytest
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from src.investment.hybrid_smart_chunking_preprocessing import (
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split_contract_text_into_sections,
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verify_preservation,
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get_section_info,
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)
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class TestSplitContractTextIntoSections:
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"""Test split_contract_text_into_sections function"""
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def test_simple_text_no_headings(self):
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"""Test text with no recognizable headings"""
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text = "This is a simple contract text.\nWith no headings at all."
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sections, original, line_ending, verification = split_contract_text_into_sections(text)
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assert "Preamble" in sections
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assert sections["Preamble"] == text
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assert original == text
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assert line_ending == "\n"
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assert verification[0] is True
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def test_arabic_numbered_headings(self):
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"""Test single-digit arabic numbered headings (1. Title)"""
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text = "Preamble text\n1 Definitions\nDefinition content\n2 Terms\nTerms content"
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sections, original, line_ending, verification = split_contract_text_into_sections(text)
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assert "Preamble" in sections
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assert "1 Definitions" in sections
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assert "2 Terms" in sections
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assert verification[0] is True
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def test_sub_arabic_numbered_headings(self):
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"""Test multi-level arabic numbered headings (1.1, 1.2, etc.)"""
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text = "1.1 First Section\nContent A\n1.2 Second Section\nContent B"
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sections, original, line_ending, verification = split_contract_text_into_sections(text)
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assert "1.1 First Section" in sections
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assert "1.2 Second Section" in sections
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assert verification[0] is True
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def test_roman_numeral_headings(self):
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"""Test roman numeral headings (I. Title, II. Title)"""
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text = "I Introduction\nIntro content\nII Background\nBackground content"
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sections, original, line_ending, verification = split_contract_text_into_sections(text)
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assert "I Introduction" in sections
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assert "II Background" in sections
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assert verification[0] is True
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def test_article_headings(self):
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"""Test ARTICLE headings (ARTICLE I Title)"""
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text = "ARTICLE I Definitions\nDef content\nARTICLE II Terms\nTerms content"
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sections, original, line_ending, verification = split_contract_text_into_sections(text)
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assert "ARTICLE I Definitions" in sections
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assert "ARTICLE II Terms" in sections
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assert verification[0] is True
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def test_exhibit_headings(self):
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"""Test EXHIBIT headings (EXHIBIT A, EXHIBIT B Title)"""
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text = "Main text\nEXHIBIT A\nExhibit A content\nEXHIBIT B Schedule\nExhibit B content"
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sections, original, line_ending, verification = split_contract_text_into_sections(text)
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assert "EXHIBIT A" in sections
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assert "EXHIBIT B Schedule" in sections
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assert verification[0] is True
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def test_attachment_headings(self):
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"""Test Attachment headings"""
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text = "Contract text\nAttachment 1\nAttachment content"
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sections, original, line_ending, verification = split_contract_text_into_sections(text)
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assert "Attachment 1" in sections
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assert verification[0] is True
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def test_recitals_and_agreement_keywords(self):
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"""Test RECITALS and AGREEMENT keyword headings"""
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text = "RECITALS:\nRecital text\nAGREEMENT\nAgreement text"
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sections, original, line_ending, verification = split_contract_text_into_sections(text)
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assert "RECITALS" in sections
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assert "AGREEMENT" in sections
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assert verification[0] is True
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def test_in_witness_whereof_heading(self):
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"""Test IN WITNESS WHEREOF heading"""
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text = "Contract body\nIN WITNESS WHEREOF\nSignature section"
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sections, original, line_ending, verification = split_contract_text_into_sections(text)
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assert "IN WITNESS WHEREOF" in sections
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assert verification[0] is True
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def test_signatory_headings(self):
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"""Test signatory block headings (PROVIDER:, ICM:)"""
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text = "Agreement text\nPROVIDER:\nBy: John Doe\nICM:\nBy: Jane Smith"
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sections, original, line_ending, verification = split_contract_text_into_sections(text)
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assert "PROVIDER" in sections or "ICM" in sections
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assert verification[0] is True
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def test_multi_line_headings(self):
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"""Test headings that span multiple lines"""
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text = "1\nDefinitions and Terms\nContent here\n2\nOther Section\nMore content"
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sections, original, line_ending, verification = split_contract_text_into_sections(text)
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# Should combine multi-line headings
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assert any("Definitions" in key for key in sections.keys())
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assert verification[0] is True
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def test_duplicate_section_titles(self):
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"""Test handling of duplicate section titles"""
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text = "1 Terms\nFirst terms\n1 Terms\nSecond terms"
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sections, original, line_ending, verification = split_contract_text_into_sections(text)
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# Should have unique keys (second occurrence gets suffix)
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assert "1 Terms" in sections
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assert "1 Terms (2)" in sections
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assert verification[0] is True
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def test_windows_line_endings(self):
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"""Test text with Windows line endings (\\r\\n)"""
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text = "Section 1\r\nContent A\r\nSection 2\r\nContent B"
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sections, original, line_ending, verification = split_contract_text_into_sections(text)
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assert line_ending == "\r\n"
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assert verification[0] is True
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def test_unix_line_endings(self):
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"""Test text with Unix line endings (\\n)"""
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text = "Section 1\nContent A\nSection 2\nContent B"
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sections, original, line_ending, verification = split_contract_text_into_sections(text)
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assert line_ending == "\n"
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assert verification[0] is True
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def test_no_line_endings(self):
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"""Test text with no line endings"""
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text = "Single line of text with no breaks"
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sections, original, line_ending, verification = split_contract_text_into_sections(text)
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assert line_ending == ""
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assert "Preamble" in sections
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assert verification[0] is True
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def test_empty_text(self):
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"""Test empty text input"""
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text = ""
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sections, original, line_ending, verification = split_contract_text_into_sections(text)
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# Should handle empty text gracefully
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assert isinstance(sections, dict)
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assert original == ""
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def test_mixed_heading_types(self):
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"""Test document with multiple types of headings"""
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text = """RECITALS:
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Whereas clause
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1 Definitions
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Term definitions
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ARTICLE I Scope
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Scope content
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EXHIBIT A
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Exhibit content"""
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sections, original, line_ending, verification = split_contract_text_into_sections(text)
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assert "RECITALS" in sections
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assert "1 Definitions" in sections
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assert "ARTICLE I Scope" in sections
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# EXHIBIT A might combine with next line, so check for both possibilities
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assert "EXHIBIT A" in sections or "EXHIBIT A Exhibit content" in sections
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assert verification[0] is True
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class TestVerifyPreservation:
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"""Test verify_preservation function"""
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def test_perfect_preservation(self):
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"""Test when content is perfectly preserved"""
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original = "Line 1\nLine 2\nLine 3"
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sections = {"Section1": "Line 1\nLine 2", "Section2": "Line 3"}
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line_ending = "\n"
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is_preserved, message = verify_preservation(original, sections, line_ending)
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assert is_preserved is True
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assert "Perfect preservation" in message
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def test_content_mismatch(self):
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"""Test when content differs"""
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original = "Line 1\nLine 2\nLine 3"
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sections = {"Section1": "Line 1\nLine X"} # Different content
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line_ending = "\n"
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is_preserved, message = verify_preservation(original, sections, line_ending)
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assert is_preserved is False
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assert "First difference at position" in message or "Length mismatch" in message
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def test_length_mismatch(self):
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"""Test when reconstructed content has different length"""
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original = "Short text"
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sections = {"Section1": "Much longer text than original"}
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line_ending = "\n"
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is_preserved, message = verify_preservation(original, sections, line_ending)
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assert is_preserved is False
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def test_empty_sections(self):
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"""Test with empty sections dict"""
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original = "Some content"
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sections = {}
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line_ending = "\n"
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is_preserved, message = verify_preservation(original, sections, line_ending)
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assert is_preserved is False
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def test_windows_line_endings_preservation(self):
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"""Test preservation with Windows line endings"""
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original = "Line 1\r\nLine 2\r\nLine 3"
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sections = {"Section1": "Line 1\r\nLine 2", "Section2": "Line 3"}
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line_ending = "\r\n"
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is_preserved, message = verify_preservation(original, sections, line_ending)
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assert is_preserved is True
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class TestGetSectionInfo:
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"""Test get_section_info function"""
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def test_basic_section_info(self):
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"""Test extracting basic section information"""
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sections = {
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"Section 1": "This is section one content",
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"Section 2": "This is section two\nWith multiple lines"
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}
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info = get_section_info(sections)
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assert info["total_sections"] == 2
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assert "Section 1" in info["section_details"]
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assert "Section 2" in info["section_details"]
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assert info["section_details"]["Section 1"]["character_count"] == 27
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assert info["section_details"]["Section 2"]["line_count"] == 2
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def test_empty_sections(self):
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"""Test with empty sections dict"""
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sections = {}
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info = get_section_info(sections)
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assert info["total_sections"] == 0
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assert info["section_details"] == {}
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assert info["total_characters"] == 0
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def test_section_with_empty_content(self):
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"""Test section with empty string content"""
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sections = {"Empty Section": ""}
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info = get_section_info(sections)
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assert info["total_sections"] == 1
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assert info["section_details"]["Empty Section"]["character_count"] == 0
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def test_total_character_count(self):
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"""Test total character count calculation"""
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sections = {
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"Section 1": "12345", # 5 chars
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"Section 2": "67890", # 5 chars
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"Section 3": "ABCDE" # 5 chars
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}
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info = get_section_info(sections)
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assert info["total_characters"] == 15
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def test_line_count_calculation(self):
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"""Test line count is calculated correctly"""
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sections = {
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"Single Line": "One line only",
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"Multi Line": "Line 1\nLine 2\nLine 3"
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}
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info = get_section_info(sections)
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assert info["section_details"]["Single Line"]["line_count"] == 1
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assert info["section_details"]["Multi Line"]["line_count"] == 3
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class TestIntegration:
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"""Integration tests for the full preprocessing workflow"""
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def test_realistic_contract_structure(self):
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"""Test with a realistic contract structure"""
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contract_text = """PROVIDER AGREEMENT
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RECITALS:
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This Agreement is made between the parties.
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AGREEMENT
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1 Definitions
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For purposes of this Agreement, the following terms shall have the meanings set forth below.
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1.1 Provider
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Provider means the healthcare provider.
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1.2 Services
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Services means healthcare services.
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2 Terms and Conditions
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The parties agree to the following terms.
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EXHIBIT A Payment Schedule
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Payment details here.
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IN WITNESS WHEREOF
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The parties have executed this Agreement.
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PROVIDER:
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By: _______________
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Name: John Doe
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"""
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sections, original, line_ending, verification = split_contract_text_into_sections(contract_text)
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# Verify major sections are identified
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assert "RECITALS" in sections
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assert "AGREEMENT" in sections
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assert any("Definitions" in key for key in sections.keys())
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assert "EXHIBIT A Payment Schedule" in sections
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assert "IN WITNESS WHEREOF" in sections
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# Verify preservation
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assert verification[0] is True
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# Verify section info
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info = get_section_info(sections)
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assert info["total_sections"] > 0
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# Total characters should match (allow for slight differences in section joining)
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assert abs(info["total_characters"] - len(contract_text)) < 20
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